update go.mod and imports

pkg/cloudapi/account.go

@@ -1,7 +1,7 @@
 package cloudapi
 
 import (
-	"repos.digitalenergy.online/BASIS/decort-golang-sdk/pkg/cloudapi/account"
+	"repository.basistech.ru/BASIS/decort-golang-sdk/pkg/cloudapi/account"
 )
 
 // Accessing the Account method group

pkg/cloudapi/account/account.go

@@ -2,7 +2,7 @@
 package account
 
 import (
-	"repos.digitalenergy.online/BASIS/decort-golang-sdk/interfaces"
+	"repository.basistech.ru/BASIS/decort-golang-sdk/interfaces"
 )
 
 // Structure for creating request to account

pkg/cloudapi/account/add_user.go

@@ -2,54 +2,37 @@ package account
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
 
-	"repos.digitalenergy.online/BASIS/decort-golang-sdk/internal/validators"
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for adding permission to access to account for a user
 type AddUserRequest struct {
 	// ID of account to add to
 	// Required: true
-    AccountID uint64 `url:"accountId" json:"accountId"`
+	AccountID uint64 `url:"accountId" json:"accountId" validate:"required"`
 
 	// Name of the user to be given rights
 	// Required: true
-	UserID string `url:"userId" json:"userId"`
+	UserID string `url:"userId" json:"userId" validate:"required"`
 
 	// Account permission types:
 	//	- 'R' for read only access
 	//	- 'RCX' for Write
 	//	- 'ARCXDU' for Admin
 	// Required: true
-    AccessType string `url:"accesstype" json:"accesstype"`
-}
-
-func (arq AddUserRequest) validate() error {
-	if arq.AccountID == 0 {
-		return errors.New("validation-error: field AccountID can not be empty or equal to 0")
-	}
-	if arq.UserID == "" {
-		return errors.New("validation-error: field UserID can not be empty")
-	}
-	if arq.AccessType == "" {
-		return errors.New("validation-error: field AccessType can not be empty")
-	}
-	isValid := validators.StringInSlice(arq.AccessType, []string{"R", "RCX", "ARCXDU"})
-	if !isValid {
-		return errors.New("validation-error: field AccessType can be only R, RCX or ARCXDU")
-	}
-
-	return nil
+	AccessType string `url:"accesstype" json:"accesstype" validate:"required,accountAccessType"`
 }
 
 // AddUser gives a user access rights.
 func (a Account) AddUser(ctx context.Context, req AddUserRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/addUser"

pkg/cloudapi/account/audits.go

@@ -3,30 +3,25 @@ package account
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for give list account audits
 type AuditsRequest struct {
 	// ID of the account
 	// Required: true
-	AccountID uint64 `url:"accountId" json:"accountId"`
-}
-
-func (arq AuditsRequest) validate() error {
-	if arq.AccountID == 0 {
-		return errors.New("validation-error: field AccountID can not be empty or equal to 0")
-	}
-
-	return nil
+	AccountID uint64 `url:"accountId" json:"accountId" validate:"required"`
 }
 
 // Audits gets audit records for the specified account object
 func (a Account) Audits(ctx context.Context, req AuditsRequest) (ListAudits, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/audits"

pkg/cloudapi/account/create.go

@@ -2,24 +2,25 @@ package account
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for creating account
 type CreateRequest struct {
 	// Display name
 	// Required: true
-	Name string `url:"name" json:"name"`
+	Name string `url:"name" json:"name" validate:"required"`
 
 	// Name of the account
 	// Required: true
-	Username string `url:"username" json:"username"`
+	Username string `url:"username" json:"username" validate:"required"`
 
 	// Email
 	// Required: false
-	EmailAddress string `url:"emailaddress,omitempty" json:"emailaddress,omitempty"`
+	EmailAddress string `url:"emailaddress,omitempty" json:"emailaddress,omitempty" validate:"omitempty,email"`
 
 	// Max size of memory in MB
 	// Required: false
@@ -50,23 +51,14 @@ type CreateRequest struct {
 	GPUUnits int64 `url:"gpu_units,omitempty" json:"gpu_units,omitempty"`
 }
 
-func (arq CreateRequest) validate() error {
-	if arq.Name == "" {
-		return errors.New("validation-error: field Name can not be empty")
-	}
-	if arq.Username == "" {
-		return errors.New("validation-error: field Username can not be empty")
-	}
-
-	return nil
-}
-
 // Create creates account
 // Setting a cloud unit maximum to -1 or empty will not put any restrictions on the resource
 func (a Account) Create(ctx context.Context, req CreateRequest) (uint64, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return 0, err
+		for _, validationError := range validators.GetErrors(err) {
+			return 0, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/create"

pkg/cloudapi/account/delete.go

@@ -2,33 +2,29 @@ package account
 
 import (
 	"context"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for delete account
 type DeleteRequest struct {
 	// ID of account to delete
 	// Required: true
-	AccountID uint64 `url:"accountId" json:"accountId"`
+	AccountID uint64 `url:"accountId" json:"accountId" validate:"required"`
 
 	// Whether to completely delete the account
 	// Required: false
 	Permanently bool `url:"permanently,omitempty" json:"permanently,omitempty"`
 }
 
-func (arq DeleteRequest) validate() error {
-	if arq.AccountID == 0 {
-		return errors.New("validation-error: field AccountID must be set")
-	}
-	return nil
-}
-
 // Delete completes delete an account from the system Returns true if account is deleted or was already deleted or never existed
 func (a Account) Delete(ctx context.Context, req DeleteRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/delete"

pkg/cloudapi/account/delete_user.go

@@ -2,42 +2,34 @@ package account
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for revoke access to account
 type DeleteUserRequest struct {
 	// ID of the account
 	// Required: true
-	AccountID uint64 `url:"accountId" json:"accountId"`
+	AccountID uint64 `url:"accountId" json:"accountId" validate:"required"`
 
 	// ID or emailaddress of the user to remove
 	// Required: true
-	UserID string `url:"userId" json:"userId"`
+	UserID string `url:"userId" json:"userId" validate:"required"`
 
 	// Recursively revoke access rights from owned cloudspaces and vmachines
 	// Required: false
 	RecursiveDelete bool `url:"recursivedelete,omitempty" json:"recursivedelete,omitempty"`
 }
 
-func (arq DeleteUserRequest) validate() error {
-	if arq.AccountID == 0 {
-		return errors.New("validation-error: field AccountID can not be empty or equal to 0")
-	}
-	if arq.UserID == "" {
-		return errors.New("validation-error: field UserID can not be empty")
-	}
-
-	return nil
-}
-
 // DeleteUser revokes user access from the account
 func (a Account) DeleteUser(ctx context.Context, req DeleteUserRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/deleteUser"

pkg/cloudapi/account/disable_enable.go

@@ -2,31 +2,26 @@ package account
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for change status of account
-type DisabelEnableRequest struct {
+type DisableEnableRequest struct {
 	// ID of account
 	// Required: true
-	AccountID uint64 `url:"accountId" json:"accountId"`
-}
-
-func (arq DisabelEnableRequest) validate() error {
-	if arq.AccountID == 0 {
-		return errors.New("validation-error: field AccountID can not be empty or equal to 0")
-	}
-
-	return nil
+	AccountID uint64 `url:"accountId" json:"accountId" validate:"required"`
 }
 
 // Disable disables an account
-func (a Account) Disable(ctx context.Context, req DisabelEnableRequest) (bool, error) {
-	err := req.validate()
+func (a Account) Disable(ctx context.Context, req DisableEnableRequest) (bool, error) {
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/disable"
@@ -45,10 +40,12 @@ func (a Account) Disable(ctx context.Context, req DisabelEnableRequest) (bool, e
 }
 
 // Enable enables an account
-func (a Account) Enable(ctx context.Context, req DisabelEnableRequest) (bool, error) {
-	err := req.validate()
+func (a Account) Enable(ctx context.Context, req DisableEnableRequest) (bool, error) {
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/enable"

pkg/cloudapi/account/get.go

@@ -3,30 +3,25 @@ package account
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for get information about account
 type GetRequest struct {
 	// ID an account
 	// Required: true
-	AccountID uint64 `url:"accountId" json:"accountId"`
-}
-
-func (arq GetRequest) validate() error {
-	if arq.AccountID == 0 {
-		return errors.New("validation-error: field AccountID can not be empty or equal to 0")
-	}
-
-	return nil
+    AccountID uint64 `url:"accountId" json:"accountId" validate:"required"`
 }
 
 // Get gets account details
 func (a Account) Get(ctx context.Context, req GetRequest) (*RecordAccount, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/get"

pkg/cloudapi/account/get_consumed_account_units.go

@@ -3,23 +3,16 @@ package account
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for calculate the currently consumed units for all cloudspaces and resource groups in the account
 type GetConsumedAccountUnitsRequest struct {
 	// ID an account
 	// Required: true
-	AccountID uint64 `url:"accountId" json:"accountId"`
-}
-
-func (arq GetConsumedAccountUnitsRequest) validate() error {
-	if arq.AccountID == 0 {
-		return errors.New("validation-error: field AccountID can not be empty or equal to 0")
-	}
-
-	return nil
+	AccountID uint64 `url:"accountId" json:"accountId" validate:"required"`
 }
 
 // GetConsumedAccountUnits calculates the currently consumed units for all cloudspaces and resource groups in the account.
@@ -29,9 +22,11 @@ func (arq GetConsumedAccountUnitsRequest) validate() error {
 //   - CU_D: consumed vdisk storage in GB
 //   - CU_I: number of public IPs
 func (a Account) GetConsumedAccountUnits(ctx context.Context, req GetConsumedAccountUnitsRequest) (*ResourceLimits, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/getConsumedAccountUnits"

pkg/cloudapi/account/get_consumed_cloud_units_by_type.go

@@ -2,37 +2,21 @@ package account
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
 
-	"repos.digitalenergy.online/BASIS/decort-golang-sdk/internal/validators"
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for calculate the currently consumed cloud units of the specified type for all cloudspaces and resource groups in the account
 type GetConsumedCloudUnitsByTypeRequest struct {
 	// ID an account
 	// Required: true
-	AccountID uint64 `url:"accountId" json:"accountId"`
+	AccountID uint64 `url:"accountId" json:"accountId" validate:"required"`
 
 	// Cloud unit resource type
 	// Required: true
-	CUType string `url:"cutype" json:"cutype"`
-}
-
-func (arq GetConsumedCloudUnitsByTypeRequest) validate() error {
-	if arq.AccountID == 0 {
-		return errors.New("validation-error: field AccountID can not be empty or equal to 0")
-	}
-	if arq.CUType == "" {
-		return errors.New("validation-error: field CUType can not be empty")
-	}
-	isValid := validators.StringInSlice(arq.CUType, []string{"CU_M", "CU_C", "CU_D", "CU_S", "CU_A", "CU_NO", "CU_I", "CU_NP"})
-	if !isValid {
-		return errors.New("validation-error: field AccessType can be only CU_M, CU_C, CU_D, CU_S, CU_A, CU_NO, CU_I or CU_NP")
-	}
-
-	return nil
+	CUType string `url:"cutype" json:"cutype" validate:"required,accountCUType"`
 }
 
 // GetConsumedCloudUnitsByType calculates the currently consumed cloud units of the specified type for all cloudspaces
@@ -48,9 +32,11 @@ func (arq GetConsumedCloudUnitsByTypeRequest) validate() error {
 //   - CU_NP: returns sent/received network transfer peering in GB
 //   - CU_I: returns number of public IPs
 func (a Account) GetConsumedCloudUnitsByType(ctx context.Context, req GetConsumedCloudUnitsByTypeRequest) (float64, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return 0, err
+		for _, validationError := range validators.GetErrors(err) {
+			return 0, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/getConsumedCloudUnitsByType"

pkg/cloudapi/account/get_consumption.go

@@ -2,47 +2,36 @@ package account
 
 import (
 	"context"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for download the resources tracking files for an account
-type GetConsumtionRequest struct {
+type GetConsumptionRequest struct {
 	// ID an account
 	// Required: true
-	AccountID uint64 `url:"accountId" json:"accountId"`
+	AccountID uint64 `url:"accountId" json:"accountId" validate:"required"`
 
 	// Epoch represents the start time
 	// Required: true
-	Start uint64 `url:"start" json:"start"`
+	Start uint64 `url:"start" json:"start" validate:"required"`
 
 	// Epoch represents the end time
 	// Required: true
-	End uint64 `url:"end" json:"end"`
+	End uint64 `url:"end" json:"end" validate:"required"`
 }
 
-func (arq GetConsumtionRequest) validate() error {
-	if arq.AccountID == 0 {
-		return errors.New("validation-error: field AccountID can not be empty or equal to 0")
-	}
-	if arq.Start == 0 {
-		return errors.New("validation-error: field Start can not be empty or equal to 0")
-	}
-	if arq.End == 0 {
-		return errors.New("validation-error: field End can not be empty or equal to 0")
-	}
-
-	return nil
-}
-
-// GetConsumtion downloads the resources tracking files for an account within a given period
-func (a Account) GetConsumtion(ctx context.Context, req GetConsumtionRequest) (string, error) {
-	err := req.validate()
+// GetConsumption downloads the resources tracking files for an account within a given period
+func (a Account) GetConsumption(ctx context.Context, req GetConsumptionRequest) (string, error) {
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return "", err
+		for _, validationError := range validators.GetErrors(err) {
+			return "", validators.ValidationError(validationError)
+		}
 	}
 
-	url := "/cloudapi/account/getConsumtion"
+	url := "/cloudapi/account/getConsumption"
 
 	res, err := a.client.DecortApiCall(ctx, http.MethodPost, url, req)
 	if err != nil {
@@ -53,14 +42,16 @@ func (a Account) GetConsumtion(ctx context.Context, req GetConsumtionRequest) (s
 
 }
 
-// GetConsumtionGet downloads the resources tracking files for an account within a given period
-func (a Account) GetConsumtionGet(ctx context.Context, req GetConsumtionRequest) (string, error) {
-	err := req.validate()
+// GetConsumptionGet downloads the resources tracking files for an account within a given period
+func (a Account) GetConsumptionGet(ctx context.Context, req GetConsumptionRequest) (string, error) {
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return "", err
+		for _, validationError := range validators.GetErrors(err) {
+			return "", validators.ValidationError(validationError)
+		}
 	}
 
-	url := "/cloudapi//account/getConsumtion"
+	url := "/cloudapi/account/getConsumption"
 
 	res, err := a.client.DecortApiCall(ctx, http.MethodGet, url, req)
 	if err != nil {

pkg/cloudapi/account/get_reserved_account_units.go

@@ -3,23 +3,16 @@ package account
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for calculate the reserved units for all cloudspaces and resource groups in the account
 type GetReservedAccountUnitsRequest struct {
 	// ID an account
 	// Required: true
-	AccountID uint64 `url:"accountId" json:"accountId"`
-}
-
-func (arq GetReservedAccountUnitsRequest) validate() error {
-	if arq.AccountID == 0 {
-		return errors.New("validation-error: field AccountID can not be empty or equal to 0")
-	}
-
-	return nil
+	AccountID uint64 `url:"accountId" json:"accountId" validate:"required"`
 }
 
 // GetReservedAccountUnits calculates the reserved units for all cloudspaces and resource groups in the account.
@@ -30,9 +23,11 @@ func (arq GetReservedAccountUnitsRequest) validate() error {
 //   - CU_D: reserved vdisk storage in GB
 //   - CU_I: number of public IPs
 func (a Account) GetReservedAccountUnits(ctx context.Context, req GetReservedAccountUnitsRequest) (*ResourceLimits, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/getReservedAccountUnits"

pkg/cloudapi/account/list_computes.go

@@ -3,30 +3,25 @@ package account
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for a get list compute instances
 type ListComputesRequest struct {
 	// ID an account
 	// Required: true
-	AccountID uint64 `url:"accountId" json:"accountId"`
-}
-
-func (arq ListComputesRequest) validate() error {
-	if arq.AccountID == 0 {
-		return errors.New("validation-error: field AccountID can not be empty or equal to 0")
-	}
-
-	return nil
+	AccountID uint64 `url:"accountId" json:"accountId" validate:"required"`
 }
 
 // ListComputes gets list all compute instances under specified account, accessible by the user
 func (a Account) ListComputes(ctx context.Context, req ListComputesRequest) (ListComputes, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/listComputes"

pkg/cloudapi/account/list_disks.go

@@ -3,30 +3,25 @@ package account
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for get list deleted disks
 type ListDisksRequest struct {
 	// ID an account
 	// Required: true
-	AccountID uint64 `url:"accountId" json:"accountId"`
-}
-
-func (arq ListDisksRequest) validate() error {
-	if arq.AccountID == 0 {
-		return errors.New("validation-error: field AccountID can not be empty or equal to 0")
-	}
-
-	return nil
+	AccountID uint64 `url:"accountId" json:"accountId" validate:"required"`
 }
 
 // ListDisks gets list all currently unattached disks under specified account
 func (a Account) ListDisks(ctx context.Context, req ListDisksRequest) (ListDisks, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/listDisks"

pkg/cloudapi/account/list_flipgroups.go

@@ -3,30 +3,25 @@ package account
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for get list FLIPGroups
 type ListFLIPGroupsRequest struct {
 	// ID an account
 	// Required: true
-	AccountID uint64 `url:"accountId" json:"accountId"`
-}
-
-func (arq ListFLIPGroupsRequest) validate() error {
-	if arq.AccountID == 0 {
-		return errors.New("validation-error: field AccountID can not be empty or equal to 0")
-	}
-
-	return nil
+	AccountID uint64 `url:"accountId" json:"accountId" validate:"required"`
 }
 
 // ListFLIPGroups gets list all FLIPGroups under specified account, accessible by the user
 func (a Account) ListFLIPGroups(ctx context.Context, req ListFLIPGroupsRequest) (ListFLIPGroups, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/listFlipGroups"

pkg/cloudapi/account/list_rg.go

@@ -3,30 +3,25 @@ package account
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for get list resource groups
 type ListRGRequest struct {
 	// ID an account
 	// Required: true
-	AccountID uint64 `url:"accountId" json:"accountId"`
-}
-
-func (arq ListRGRequest) validate() error {
-	if arq.AccountID == 0 {
-		return errors.New("validation-error: field AccountID can not be empty or equal to 0")
-	}
-
-	return nil
+	AccountID uint64 `url:"accountId" json:"accountId" validate:"required"`
 }
 
 // ListRG gets list all resource groups under specified account, accessible by the user
 func (a Account) ListRG(ctx context.Context, req ListRGRequest) (ListRG, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/listRG"

pkg/cloudapi/account/list_templates.go

@@ -3,34 +3,29 @@ package account
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for get list templates
 type ListTemplatesRequest struct {
 	// ID an account
 	// Required: true
-	AccountID uint64 `url:"accountId" json:"accountId"`
+    AccountID uint64 `url:"accountId" json:"accountId" validate:"required"`
 
 	// Include deleted images
 	// Required: false
 	IncludeDeleted bool `url:"includedeleted" json:"includedeleted"`
 }
 
-func (arq ListTemplatesRequest) validate() error {
-	if arq.AccountID == 0 {
-		return errors.New("validation-error: field AccountID can not be empty or equal to 0")
-	}
-
-	return nil
-}
-
 // ListTemplates gets list templates which can be managed by this account
 func (a Account) ListTemplates(ctx context.Context, req ListTemplatesRequest) (ListTemplates, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/listTemplates"

pkg/cloudapi/account/list_vins.go

@@ -3,30 +3,25 @@ package account
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for get list VINS
 type ListVINSRequest struct {
 	// ID an account
 	// Required: true
-	AccountID uint64 `url:"accountId" json:"accountId"`
-}
-
-func (arq ListVINSRequest) validate() error {
-	if arq.AccountID == 0 {
-		return errors.New("validation-error: field AccountID can not be empty or equal to 0")
-	}
-
-	return nil
+	AccountID uint64 `url:"accountId" json:"accountId" validate:"required"`
 }
 
 // ListVINS gets list all ViNSes under specified account, accessible by the user
 func (a Account) ListVINS(ctx context.Context, req ListVINSRequest) (ListVINS, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/listVins"

pkg/cloudapi/account/restore.go

@@ -2,31 +2,26 @@ package account
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for restore a deleted account
 type RestoreRequest struct {
 	// ID an account
 	// Required: true
-	AccountID uint64 `url:"accountId" json:"accountId"`
-}
-
-func (arq RestoreRequest) validate() error {
-	if arq.AccountID == 0 {
-		return errors.New("validation-error: field AccountID can not be empty or equal to 0")
-	}
-
-	return nil
+	AccountID uint64 `url:"accountId" json:"accountId" validate:"required"`
 }
 
 // Restore restores a deleted account
 func (a Account) Restore(ctx context.Context, req RestoreRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/restore"

pkg/cloudapi/account/serialize.go

@@ -3,7 +3,7 @@ package account
 import (
 	"encoding/json"
 
-	"repos.digitalenergy.online/BASIS/decort-golang-sdk/internal/serialization"
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/serialization"
 )
 
 // Serialize returns JSON-serialized []byte. Used as a wrapper over json.Marshal and json.MarshalIndent functions.

pkg/cloudapi/account/update.go

@@ -2,16 +2,17 @@ package account
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for updaate account
 type UpdateRequest struct {
 	// ID an account
 	// Required: true
-	AccountID uint64 `url:"accountId" json:"accountId"`
+	AccountID uint64 `url:"accountId" json:"accountId" validate:"required"`
 
 	// Name of the account
 	// Required: false
@@ -46,19 +47,13 @@ type UpdateRequest struct {
 	GPUUnits uint64 `url:"gpu_units,omitempty" json:"gpu_units,omitempty"`
 }
 
-func (arq UpdateRequest) validate() error {
-	if arq.AccountID == 0 {
-		return errors.New("validation-error: field AccountID can not be empty or equal to 0")
-	}
-
-	return nil
-}
-
 // Update updates an account name and resource types and limits
 func (a Account) Update(ctx context.Context, req UpdateRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/update"

pkg/cloudapi/account/update_user.go

@@ -2,54 +2,37 @@ package account
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
 
-	"repos.digitalenergy.online/BASIS/decort-golang-sdk/internal/validators"
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for update user access rights
 type UpdateUserRequest struct {
 	// ID of the account
 	// Required: true
-	AccountID uint64 `url:"accountId" json:"accountId"`
+	AccountID uint64 `url:"accountId" json:"accountId" validate:"required"`
 
 	// Userid/Email for registered users or emailaddress for unregistered users
 	// Required: true
-	UserID string `url:"userId" json:"userId"`
+	UserID string `url:"userId" json:"userId" validate:"required"`
 
 	// Account permission types:
 	//	- 'R' for read only access
 	//	- 'RCX' for Write
 	//	- 'ARCXDU' for Admin
 	// Required: true
-	AccessType string `url:"accesstype" json:"accesstype"`
-}
-
-func (arq UpdateUserRequest) validate() error {
-	if arq.AccountID == 0 {
-		return errors.New("validation-error: field AccountID can not be empty or equal to 0")
-	}
-	if arq.UserID == "" {
-		return errors.New("validation-error: field UserID can not be empty")
-	}
-	if arq.AccessType == "" {
-		return errors.New("validation-error: field AccessType can not be empty")
-	}
-	isValid := validators.StringInSlice(arq.AccessType, []string{"R", "RCX", "ARCXDU"})
-	if !isValid {
-		return errors.New("validation-error: field AccessType can be only R, RCX or ARCXDU")
-	}
-
-	return nil
+	AccessType string `url:"accesstype" json:"accesstype" validate:"required,accountAccessType"`
 }
 
 // UpdateUser updates user access rights
 func (a Account) UpdateUser(ctx context.Context, req UpdateUserRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/account/updateUser"

pkg/cloudapi/bservice.go

@@ -1,6 +1,6 @@
 package cloudapi
 
-import "repos.digitalenergy.online/BASIS/decort-golang-sdk/pkg/cloudapi/bservice"
+import "repository.basistech.ru/BASIS/decort-golang-sdk/pkg/cloudapi/bservice"
 
 // Accessing the BService method group
 func (ca *CloudAPI) BService() *bservice.BService {

pkg/cloudapi/bservice/bservice.go

@@ -1,7 +1,7 @@
 // API Actor for managing Compute Group. This actor is a final API for endusers to manage Compute Group
 package bservice
 
-import "repos.digitalenergy.online/BASIS/decort-golang-sdk/interfaces"
+import "repository.basistech.ru/BASIS/decort-golang-sdk/interfaces"
 
 // Structure for creating request to bservice
 type BService struct {

pkg/cloudapi/bservice/create.go

@@ -2,20 +2,21 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for BasicService
 type CreateRequest struct {
 	// Name of the service
 	// Required: true
-	Name string `url:"name" json:"name"`
+	Name string `url:"name" json:"name" validate:"required"`
 
 	// ID of the Resource Group where this service will be placed
 	// Required: true
-	RGID uint64 `url:"rgId" json:"rgId"`
+	RGID uint64 `url:"rgId" json:"rgId" validate:"required"`
 
 	// Name of the user to deploy SSH key for. Pass empty string if no SSH key deployment is required
 	// Required: false
@@ -26,22 +27,13 @@ type CreateRequest struct {
 	SSHKey string `url:"sshKey,omitempty" json:"sshKey,omitempty"`
 }
 
-func (bsrq CreateRequest) validate() error {
-	if bsrq.Name == "" {
-		return errors.New("field Name can not be empty")
-	}
-	if bsrq.RGID == 0 {
-		return errors.New("field RGID can not be empty or equal to 0")
-	}
-
-	return nil
-}
-
 // Create creates blank BasicService instance
 func (b BService) Create(ctx context.Context, req CreateRequest) (uint64, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return 0, err
+		for _, validationError := range validators.GetErrors(err) {
+			return 0, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/create"

pkg/cloudapi/bservice/delete.go

@@ -2,35 +2,30 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for delete basic service
 type DeleteRequest struct {
 	// ID of the BasicService to be delete
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
+    ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 
 	// If set to False, Basic service will be deleted to recycle bin. Otherwise destroyed immediately
-	// Required: true
+	// Required: false
 	Permanently bool `url:"permanently,omitempty" json:"permanently,omitempty"`
 }
 
-func (bsrq DeleteRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-
-	return nil
-}
-
 // Delete deletes BasicService instance
 func (b BService) Delete(ctx context.Context, req DeleteRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/delete"

pkg/cloudapi/bservice/disable.go

@@ -2,33 +2,28 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for disable service
 type DisableRequest struct {
 	// ID of the service to disable
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
-}
-
-func (bsrq DisableRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-
-	return nil
+	ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 }
 
 // Disable disables service.
 // Disabling a service technically means setting model status
 // of all computes and service itself to DISABLED and stopping all computes.
 func (b BService) Disable(ctx context.Context, req DisableRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/delete"

pkg/cloudapi/bservice/enable.go

@@ -2,24 +2,17 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for disable service
 type EnableRequest struct {
 	// ID of the service to enable
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
-}
-
-func (bsrq EnableRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-
-	return nil
+	ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 }
 
 // Enable enables service.
@@ -27,9 +20,11 @@ func (bsrq EnableRequest) validate() error {
 // all computes and service itself to ENABLED.
 // It does not start computes.
 func (b BService) Enable(ctx context.Context, req EnableRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/enable"

pkg/cloudapi/bservice/filter_test.go

@@ -0,0 +1,152 @@
+package bservice
+
+import "testing"
+
+var bservices = ListBasicServices{
+	{
+		AccountID:     1,
+		AccountName:   "std_1",
+		BaseDomain:    "",
+		CreatedBy:     "sample_user_1@decs3o",
+		CreatedTime:   1677743675,
+		DeletedBy:     "",
+		DeletedTime:   0,
+		GID:           212,
+		Groups:        []uint64{},
+		GUID:          1,
+		ID:            1,
+		Name:          "bservice_1",
+		ParentSrvID:   0,
+		ParentSrvType: "",
+		RGID:          7971,
+		RGName:        "rg_1",
+		SSHUser:       "",
+		Status:        "CREATED",
+		TechStatus:    "STOPPED",
+		UpdatedBy:     "",
+		UpdatedTime:   0,
+		UserManaged:   true,
+	},
+	{
+		AccountID:     2,
+		AccountName:   "std_2",
+		BaseDomain:    "",
+		CreatedBy:     "sample_user_1@decs3o",
+		CreatedTime:   1677743736,
+		DeletedBy:     "",
+		DeletedTime:   0,
+		GID:           212,
+		Groups:        []uint64{},
+		GUID:          2,
+		ID:            2,
+		Name:          "bservice_2",
+		ParentSrvID:   0,
+		ParentSrvType: "",
+		RGID:          7972,
+		RGName:        "rg_2",
+		SSHUser:       "",
+		Status:        "CREATED",
+		TechStatus:    "STOPPED",
+		UpdatedBy:     "",
+		UpdatedTime:   0,
+		UserManaged:   true,
+	},
+	{
+		AccountID:     3,
+		AccountName:   "std_3",
+		BaseDomain:    "",
+		CreatedBy:     "sample_user_2@decs3o",
+		CreatedTime:   1677743830,
+		DeletedBy:     "",
+		DeletedTime:   0,
+		GID:           212,
+		Groups:        []uint64{},
+		GUID:          3,
+		ID:            3,
+		Name:          "bservice_3",
+		ParentSrvID:   0,
+		ParentSrvType: "",
+		RGID:          7973,
+		RGName:        "rg_3",
+		SSHUser:       "",
+		Status:        "ENABLED",
+		TechStatus:    "STARTED",
+		UpdatedBy:     "",
+		UpdatedTime:   0,
+		UserManaged:   true,
+	},
+}
+
+func TestFilterByID(t *testing.T) {
+	actual := bservices.FilterByID(1).FindOne()
+
+	if actual.ID != 1 {
+		t.Fatal("expected ID 1, found: ", actual.ID)
+	}
+}
+
+func TestFilterByName(t *testing.T) {
+	actual := bservices.FilterByName("bservice_3").FindOne()
+
+	if actual.Name != "bservice_3" {
+		t.Fatal("expected Name 'bservice_3', found: ", actual.Name)
+	}
+}
+
+func TestFilterByRGID(t *testing.T) {
+	actual := bservices.FilterByRGID(7971).FindOne()
+
+	if actual.RGID != 7971 {
+		t.Fatal("expected RGID 7971, found: ", actual.RGID)
+	}
+}
+
+func TestFilterByStatus(t *testing.T) {
+	actual := bservices.FilterByStatus("CREATED")
+
+	if len(actual) != 2 {
+		t.Fatal("expected 2 found, actual: ", len(actual))
+	}
+
+	for _, item := range actual {
+		if item.Status != "CREATED" {
+			t.Fatal("expected Status 'CREATED', found: ", item.Status)
+		}
+	}
+}
+
+func TestFilterByTechStatus(t *testing.T) {
+	actual := bservices.FilterByTechStatus("STOPPED")
+
+	if len(actual) != 2 {
+		t.Fatal("expected 2 found, actual: ", len(actual))
+	}
+
+	for _, item := range actual {
+		if item.TechStatus != "STOPPED" {
+			t.Fatal("expected TechStatus 'STOPPED', found: ", item.TechStatus)
+		}
+	}
+}
+
+func TestFilterFunc(t *testing.T) {
+	actual := bservices.FilterFunc(func(ibs ItemBasicService) bool {
+		return ibs.CreatedBy == "sample_user_2@decs3o"
+	})
+
+	if len(actual) > 1 {
+		t.Fatal("expected 1 found, actual: ", len(actual))
+	}
+
+	if actual.FindOne().CreatedBy != "sample_user_2@decs3o" {
+		t.Fatal("expected 'sample_user_2@decs3o', found: ", actual.FindOne().CreatedBy)
+	}
+}
+
+func TestSortByCreatedTime(t *testing.T) {
+	actual := bservices.SortByCreatedTime(true)
+
+	if actual[0].CreatedTime != 1677743830 || actual[2].CreatedTime != 1677743675 {
+		t.Fatal("expected descending order, found ascending")
+	}
+}

pkg/cloudapi/bservice/get.go

@@ -3,30 +3,25 @@ package bservice
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for get detailed information about service
 type GetRequest struct {
 	// ID of the service to query information
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
-}
-
-func (bsrq GetRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-
-	return nil
+	ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 }
 
 // Get gets detailed specifications for the BasicService.
 func (b BService) Get(ctx context.Context, req GetRequest) (*RecordBasicService, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/get"

pkg/cloudapi/bservice/group_add.go

@@ -2,47 +2,48 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for create new compute group within BasicService
 type GroupAddRequest struct {
 	// ID of the Basic Service to add a group to
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
+    ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 
 	// Name of the Compute Group to add
 	// Required: true
-	Name string `url:"name" json:"name"`
+    Name string `url:"name" json:"name" validate:"required"`
 
 	// Computes number. Defines how many computes must be there in the group
 	// Required: true
-	Count uint64 `url:"count" json:"count"`
+    Count uint64 `url:"count" json:"count" validate:"required"`
 
 	// Compute CPU number. All computes in the group have the same CPU count
 	// Required: true
-	CPU uint64 `url:"cpu" json:"cpu"`
+    CPU uint64 `url:"cpu" json:"cpu" validate:"required"`
 
 	// Compute RAM volume in MB. All computes in the group have the same RAM volume
 	// Required: true
-	RAM uint64 `url:"ram" json:"ram"`
+    RAM uint64 `url:"ram" json:"ram" validate:"required"`
 
 	// Compute boot disk size in GB
 	// Required: true
-	Disk uint64 `url:"disk" json:"disk"`
+    Disk uint64 `url:"disk" json:"disk" validate:"required"`
 
 	// OS image ID to create computes from
 	// Required: true
-	ImageID uint64 `url:"imageId" json:"imageId"`
+    ImageID uint64 `url:"imageId" json:"imageId" validate:"required"`
 
 	// Compute driver
 	// should be one of:
 	//	- KVM_X86
 	//	- KVM_PPC
 	// Required: true
-	Driver string `url:"driver" json:"driver"`
+    Driver string `url:"driver" json:"driver" validate:"bserviceDriver"`
 
 	// Storage endpoint provider ID
 	// Required: false
@@ -66,45 +67,18 @@ type GroupAddRequest struct {
 
 	// Time of Compute Group readiness
 	// Required: false
-	TimeoutStart uint64 `url:"timeoutStart" json:"timeoutStart"`
-}
-
-func (bsrq GroupAddRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-	if bsrq.Name == "" {
-		return errors.New("field Name can not be empty")
-	}
-	if bsrq.Count == 0 {
-		return errors.New("field Count can not be empty or equal to 0")
-	}
-	if bsrq.CPU == 0 {
-		return errors.New("field CPU can not be empty or equal to 0")
-	}
-	if bsrq.RAM == 0 {
-		return errors.New("field RAM can not be empty or equal to 0")
-	}
-	if bsrq.Disk == 0 {
-		return errors.New("field Disk can not be empty or equal to 0")
-	}
-	if bsrq.ImageID == 0 {
-		return errors.New("field ImageID can not be empty or equal to 0")
-	}
-	if bsrq.Driver == "" {
-		return errors.New("field Driver can not be empty")
-	}
-
-	return nil
+	TimeoutStart uint64 `url:"timeoutStart,omitempty" json:"timeoutStart,omitempty"`
 }
 
 // GroupAdd creates new Compute Group within BasicService.
 // Compute Group is NOT started automatically,
 // so you need to explicitly start it
 func (b BService) GroupAdd(ctx context.Context, req GroupAddRequest) (uint64, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return 0, err
+		for _, validationError := range validators.GetErrors(err) {
+			return 0, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/groupAdd"

pkg/cloudapi/bservice/group_compute_remove.go

@@ -2,45 +2,34 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for remove group compute
 type GroupComputeRemoveRequest struct {
 	// ID of the Basic Service
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
+    ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 
 	// ID of the Compute GROUP
 	// Required: true
-	CompGroupID uint64 `url:"compgroupId" json:"compgroupId"`
+	CompGroupID uint64 `url:"compgroupId" json:"compgroupId" validate:"required"`
 
 	// ID of the Compute
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (bsrq GroupComputeRemoveRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-	if bsrq.CompGroupID == 0 {
-		return errors.New("field CompGroupID can not be empty or equal to 0")
-	}
-	if bsrq.ComputeID == 0 {
-		return errors.New("field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // GroupComputeRemove makes group compute remove of the Basic Service
 func (b BService) GroupComputeRemove(ctx context.Context, req GroupComputeRemoveRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/groupComputeRemove"

pkg/cloudapi/bservice/group_get.go

@@ -3,37 +3,29 @@ package bservice
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for get detailed information about Compute Group
 type GroupGetRequest struct {
 	// ID of the Basic Service of Compute Group
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
+    ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 
 	// ID of the Compute Group
 	// Required: true
-	CompGroupID uint64 `url:"compgroupId" json:"compgroupId"`
-}
-
-func (bsrq GroupGetRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-	if bsrq.CompGroupID == 0 {
-		return errors.New("field CompGroupID can not be empty or equal to 0")
-	}
-
-	return nil
+	CompGroupID uint64 `url:"compgroupId" json:"compgroupId" validate:"required"`
 }
 
 // GroupGet gets detailed specifications for the Compute Group
 func (b BService) GroupGet(ctx context.Context, req GroupGetRequest) (*RecordGroup, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/groupGet"

pkg/cloudapi/bservice/group_parent_add.go

@@ -2,9 +2,10 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for add parent Compute Group relation emove parent Compute Group
@@ -12,36 +13,24 @@ import (
 type GroupParentAddRequest struct {
 	// ID of the Basic Service of Compute Group
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
+    ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 
 	// ID of the Compute Group
 	// Required: true
-	CompGroupID uint64 `url:"compgroupId" json:"compgroupId"`
+	CompGroupID uint64 `url:"compgroupId" json:"compgroupId" validate:"required"`
 
 	// ID of the parent Compute Group to register with the current Compute Group
 	// Required: true
-	ParentID uint64 `url:"parentId" json:"parentId"`
-}
-
-func (bsrq GroupParentAddRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-	if bsrq.CompGroupID == 0 {
-		return errors.New("field CompGroupID can not be empty or equal to 0")
-	}
-	if bsrq.ParentID == 0 {
-		return errors.New("field ParentID can not be empty or equal to 0")
-	}
-
-	return nil
+	ParentID uint64 `url:"parentId" json:"parentId" validate:"required"`
 }
 
 // GroupParentAdd add parent Compute Group relation to the specified Compute Group
 func (b BService) GroupParentAdd(ctx context.Context, req GroupParentAddRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/groupParentAdd"

pkg/cloudapi/bservice/group_parent_remove.go

@@ -2,9 +2,10 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for remove parent Compute Group
@@ -12,37 +13,25 @@ import (
 type GroupParentRemoveRequest struct {
 	// ID of the Basic Service of Compute Group
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
+    ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 
 	// ID of the Compute Group
 	// Required: true
-	CompGroupID uint64 `url:"compgroupId" json:"compgroupId"`
+    CompGroupID uint64 `url:"compgroupId" json:"compgroupId" validate:"required"`
 
 	// ID of the parent Compute Group
 	// to remove from the current Compute Group
 	// Required: true
-	ParentID uint64 `url:"parentId" json:"parentId"`
-}
-
-func (bsrq GroupParentRemoveRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-	if bsrq.CompGroupID == 0 {
-		return errors.New("field CompGroupID can not be empty or equal to 0")
-	}
-	if bsrq.ParentID == 0 {
-		return errors.New("field ParentID can not be empty or equal to 0")
-	}
-
-	return nil
+    ParentID uint64 `url:"parentId" json:"parentId" validate:"required"`
 }
 
 // GroupParentRemove removes parent Compute Group relation to the specified Compute Group
 func (b BService) GroupParentRemove(ctx context.Context, req GroupParentRemoveRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/groupParentRemove"

pkg/cloudapi/bservice/group_remove.go

@@ -2,38 +2,30 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for destroy the specified Compute Group
 type GroupRemoveRequest struct {
 	// ID of the Basic Service of Compute Group
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
+	ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 
 	// ID of the Compute Group
 	// Required: true
-	CompGroupID uint64 `url:"compgroupId" json:"compgroupId"`
-}
-
-func (bsrq GroupRemoveRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-	if bsrq.CompGroupID == 0 {
-		return errors.New("field CompGroupID can not be empty or equal to 0")
-	}
-
-	return nil
+	CompGroupID uint64 `url:"compgroupId" json:"compgroupId" validate:"required"`
 }
 
 // GroupRemove destroy the specified Compute Group
 func (b BService) GroupRemove(ctx context.Context, req GroupRemoveRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/groupRemove"

pkg/cloudapi/bservice/group_resize.go

@@ -2,58 +2,41 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
 
-	"repos.digitalenergy.online/BASIS/decort-golang-sdk/internal/validators"
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for resize the group
 type GroupResizeRequest struct {
 	// ID of the Basic Service of Compute Group
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
+	ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 
 	// ID of the Compute Group to resize
 	// Required: true
-	CompGroupID uint64 `url:"compgroupId" json:"compgroupId"`
+	CompGroupID uint64 `url:"compgroupId" json:"compgroupId" validate:"required"`
 
 	// Either delta or absolute value of computes
 	// Required: true
-	Count int64 `url:"count" json:"count"`
+	Count int64 `url:"count" json:"count" validate:"required"`
 
 	// Either delta or absolute value of computes
 	// Should be one of:
 	//	- ABSOLUTE
 	//	- RELATIVE
 	// Required: true
-	Mode string `url:"mode" json:"mode"`
-}
-
-func (bsrq GroupResizeRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-	if bsrq.CompGroupID == 0 {
-		return errors.New("field CompGroupID can not be empty or equal to 0")
-	}
-	if bsrq.Mode == "RELATIVE" && bsrq.Count == 0 {
-		return errors.New("field Count can not be equal to 0 if Mode if 'RELATIVE'")
-	}
-	validate := validators.StringInSlice(bsrq.Mode, []string{"RELATIVE", "ABSOLUTE"})
-	if !validate {
-		return errors.New("field Mode can only be one of 'RELATIVE' or 'ABSOLUTE'")
-	}
-
-	return nil
+	Mode string `url:"mode" json:"mode" validate:"bserviceMode"`
 }
 
 // GroupResize resize the group by changing the number of computes
 func (b BService) GroupResize(ctx context.Context, req GroupResizeRequest) (uint64, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return 0, err
+		for _, validationError := range validators.GetErrors(err) {
+			return 0, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/groupResize"

pkg/cloudapi/bservice/group_start.go

@@ -2,38 +2,30 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for start the specified Compute Group
 type GroupStartRequest struct {
 	// ID of the Basic Service of Compute Group
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
+	ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 
 	// ID of the Compute Group to start
 	// Required: true
-	CompGroupID uint64 `url:"compgroupId" json:"compgroupId"`
-}
-
-func (bsrq GroupStartRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-	if bsrq.CompGroupID == 0 {
-		return errors.New("field CompGroupID can not be empty or equal to 0")
-	}
-
-	return nil
+	CompGroupID uint64 `url:"compgroupId" json:"compgroupId" validate:"required"`
 }
 
 // GroupStart starts the specified Compute Group within BasicService
 func (b BService) GroupStart(ctx context.Context, req GroupStartRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/groupStart"

pkg/cloudapi/bservice/group_stop.go

@@ -2,42 +2,34 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for stop the specified Compute Group
 type GroupStopRequest struct {
 	// ID of the Basic Service of Compute Group
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
+    ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 
 	// ID of the Compute Group to stop
 	// Required: true
-	CompGroupID uint64 `url:"compgroupId" json:"compgroupId"`
+    CompGroupID uint64 `url:"compgroupId" json:"compgroupId" validate:"required"`
 
 	// Force stop Compute Group
-	// Required: true
+	// Required: false
 	Force bool `url:"force,omitempty" json:"force,omitempty"`
 }
 
-func (bsrq GroupStopRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-	if bsrq.CompGroupID == 0 {
-		return errors.New("field CompGroupID can not be empty or equal to 0")
-	}
-
-	return nil
-}
-
 // GroupStop stops the specified Compute Group within BasicService
 func (b BService) GroupStop(ctx context.Context, req GroupStopRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/groupStop"

pkg/cloudapi/bservice/group_update.go

@@ -2,20 +2,21 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for update existing Compute group
 type GroupUpdateRequest struct {
 	// ID of the Basic Service of Compute Group
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
+    ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 
 	// ID of the Compute Group
 	// Required: true
-	CompGroupID uint64 `url:"compgroupId" json:"compgroupId"`
+    CompGroupID uint64 `url:"compgroupId" json:"compgroupId" validate:"required"`
 
 	// Specify non-empty string to update Compute Group name
 	// Required: false
@@ -42,22 +43,13 @@ type GroupUpdateRequest struct {
 	Force bool `url:"force,omitempty" json:"force,omitempty"`
 }
 
-func (bsrq GroupUpdateRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-	if bsrq.CompGroupID == 0 {
-		return errors.New("field CompGroupID can not be empty or equal to 0")
-	}
-
-	return nil
-}
-
 // GroupUpdate updates existing Compute group within Basic Service and apply new settings to its computes as necessary
 func (b BService) GroupUpdate(ctx context.Context, req GroupUpdateRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/groupUpdate"

pkg/cloudapi/bservice/group_update_extnet.go

@@ -2,42 +2,34 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for update External Network settings
 type GroupUpdateExtNetRequest struct {
 	// ID of the Basic Service of Compute Group
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
+	ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 
 	// ID of the Compute Group
 	// Required: true
-	CompGroupID uint64 `url:"compgroupId" json:"compgroupId"`
+	CompGroupID uint64 `url:"compgroupId" json:"compgroupId" validate:"required"`
 
 	// List of Extnets to connect computes
 	// Required: false
 	ExtNets []uint64 `url:"extnets,omitempty" json:"extnets,omitempty"`
 }
 
-func (bsrq GroupUpdateExtNetRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-	if bsrq.CompGroupID == 0 {
-		return errors.New("field CompGroupID can not be empty or equal to 0")
-	}
-
-	return nil
-}
-
 // GroupUpdateExtNet updates External Network settings for the group according to the new list
 func (b BService) GroupUpdateExtNet(ctx context.Context, req GroupUpdateExtNetRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/groupUpdateExtnet"

pkg/cloudapi/bservice/group_update_vins.go

@@ -2,42 +2,34 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for update VINS settings
 type GroupUpdateVINSRequest struct {
 	// ID of the Basic Service of Compute Group
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
+	ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 
 	// ID of the Compute Group
 	// Required: true
-	CompGroupID uint64 `url:"compgroupId" json:"compgroupId"`
+	CompGroupID uint64 `url:"compgroupId" json:"compgroupId" validate:"required"`
 
 	// List of ViNSes to connect computes
 	// Required: false
 	VINSes []uint64 `url:"vinses,omitempty" json:"vinses,omitempty"`
 }
 
-func (bsrq GroupUpdateVINSRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-	if bsrq.CompGroupID == 0 {
-		return errors.New("field CompGroupID can not be empty or equal to 0")
-	}
-
-	return nil
-}
-
 // GroupUpdateVINS update ViNS settings for the group according to the new list
 func (b BService) GroupUpdateVINS(ctx context.Context, req GroupUpdateVINSRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/groupUpdateVins"

pkg/cloudapi/bservice/restore.go

@@ -2,31 +2,26 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for restores BasicService instance
 type RestoreRequest struct {
 	// ID of the BasicService to be restored
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
-}
-
-func (bsrq RestoreRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-
-	return nil
+	ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 }
 
 // Restore restores BasicService instance
 func (b BService) Restore(ctx context.Context, req RestoreRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/restore"

pkg/cloudapi/bservice/serialize.go

@@ -3,7 +3,7 @@ package bservice
 import (
 	"encoding/json"
 
-	"repos.digitalenergy.online/BASIS/decort-golang-sdk/internal/serialization"
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/serialization"
 )
 
 // Serialize returns JSON-serialized []byte. Used as a wrapper over json.Marshal and json.MarshalIndent functions.

pkg/cloudapi/bservice/snapshot_create.go

@@ -2,38 +2,30 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for create snapshot
 type SnapshotCreateRequest struct {
 	// ID of the Basic Service
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
+	ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 
 	// Label of the snapshot
 	// Required: true
-	Label string `url:"label" json:"label"`
-}
-
-func (bsrq SnapshotCreateRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-	if bsrq.Label == "" {
-		return errors.New("field Label can not be empty")
-	}
-
-	return nil
+	Label string `url:"label" json:"label" validate:"required"`
 }
 
 // SnapshotCreate create snapshot of the Basic Service
 func (b BService) SnapshotCreate(ctx context.Context, req SnapshotCreateRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/snapshotCreate"

pkg/cloudapi/bservice/snapshot_delete.go

@@ -2,38 +2,30 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for delete snapshot
 type SnapshotDeleteRequest struct {
 	// ID of the Basic Service
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
+	ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 
 	// Label of the snapshot
 	// Required: true
-	Label string `url:"label" json:"label"`
-}
-
-func (bsrq SnapshotDeleteRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-	if bsrq.Label == "" {
-		return errors.New("field Label can not be empty")
-	}
-
-	return nil
+	Label string `url:"label" json:"label" validate:"required"`
 }
 
 // SnapshotDelete delete snapshot of the Basic Service
 func (b BService) SnapshotDelete(ctx context.Context, req SnapshotDeleteRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/snapshotDelete"

pkg/cloudapi/bservice/snapshot_list.go

@@ -3,30 +3,25 @@ package bservice
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for get list existing snapshots
 type SnapshotListRequest struct {
 	// ID of the Basic Service
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
-}
-
-func (bsrq SnapshotListRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-
-	return nil
+	ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 }
 
 // SnapshotList gets list existing snapshots of the Basic Service
 func (b BService) SnapshotList(ctx context.Context, req SnapshotListRequest) (ListSnapshots, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/snapshotList"

pkg/cloudapi/bservice/snapshot_rollback.go

@@ -2,38 +2,30 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for rollback snapshot
 type SnapshotRollbackRequest struct {
 	// ID of the Basic Service
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
+	ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 
 	// Label of the snapshot
 	// Required: true
-	Label string `url:"label" json:"label"`
-}
-
-func (bsrq SnapshotRollbackRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-	if bsrq.Label == "" {
-		return errors.New("field Label can not be empty")
-	}
-
-	return nil
+	Label string `url:"label" json:"label" validate:"required"`
 }
 
 // SnapshotRollback rollback snapshot of the Basic Service
 func (b BService) SnapshotRollback(ctx context.Context, req SnapshotRollbackRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/snapshotRollback"

pkg/cloudapi/bservice/start.go

@@ -2,33 +2,28 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for start service
 type StartRequest struct {
 	// ID of the service to start
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
-}
-
-func (bsrq StartRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-
-	return nil
+	ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 }
 
 // Start starts service.
 // Starting a service technically means starting computes from all
 // service groups according to group relations
 func (b BService) Start(ctx context.Context, req StartRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/start"

pkg/cloudapi/bservice/stop.go

@@ -2,33 +2,28 @@ package bservice
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for stop service
 type StopRequest struct {
 	// ID of the service to stop
 	// Required: true
-	ServiceID uint64 `url:"serviceId" json:"serviceId"`
-}
-
-func (bsrq StopRequest) validate() error {
-	if bsrq.ServiceID == 0 {
-		return errors.New("field ServiceID can not be empty or equal to 0")
-	}
-
-	return nil
+	ServiceID uint64 `url:"serviceId" json:"serviceId" validate:"required"`
 }
 
 // Stop stops service.
 // Stopping a service technically means stopping computes from
 // all service groups
 func (b BService) Stop(ctx context.Context, req StopRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/bservice/stop"

pkg/cloudapi/cloudapi.go

@@ -2,7 +2,7 @@
 package cloudapi
 
 import (
-	"repos.digitalenergy.online/BASIS/decort-golang-sdk/interfaces"
+	"repository.basistech.ru/BASIS/decort-golang-sdk/interfaces"
 )
 
 // Structure for creating request to CloudAPI groups

pkg/cloudapi/compute.go

@@ -1,7 +1,7 @@
 package cloudapi
 
 import (
-	"repos.digitalenergy.online/BASIS/decort-golang-sdk/pkg/cloudapi/compute"
+	"repository.basistech.ru/BASIS/decort-golang-sdk/pkg/cloudapi/compute"
 )
 
 // Accessing the Compute method group

pkg/cloudapi/compute/affinity_group_check_start.go

@@ -2,37 +2,29 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for check all computes with current affinity label can start
 type AffinityGroupCheckStartRequest struct {
 	// ID of the resource group
 	// Required: true
-	RGID uint64 `url:"rgId" json:"rgId"`
+	RGID uint64 `url:"rgId" json:"rgId" validate:"required"`
 
 	// Affinity group label
 	// Required: true
-	AffinityLabel string `url:"affinityLabel" json:"affinityLabel"`
-}
-
-func (crq AffinityGroupCheckStartRequest) validate() error {
-	if crq.RGID == 0 {
-		return errors.New("validation-error: field RGID can not be empty or equal to 0")
-	}
-	if crq.AffinityLabel == "" {
-		return errors.New("validation-error: field AffinityLabel can not be empty")
-	}
-
-	return nil
+	AffinityLabel string `url:"affinityLabel" json:"affinityLabel" validate:"required"`
 }
 
 // AffinityGroupCheckStart check all computes with current affinity label can start
 func (c Compute) AffinityGroupCheckStart(ctx context.Context, req AffinityGroupCheckStartRequest) (string, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return "", err
+		for _, validationError := range validators.GetErrors(err) {
+			return "", validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/affinityGroupCheckStart"

pkg/cloudapi/compute/affinity_label_remove.go

@@ -2,31 +2,26 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for clear affinity label for compute
 type AffinityLabelRemoveRequest struct {
 	// ID of the compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (crq AffinityLabelRemoveRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // AffinityLabelRemove clear affinity label for compute
 func (c Compute) AffinityLabelRemove(ctx context.Context, req AffinityLabelRemoveRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/affinityLabelRemove"

pkg/cloudapi/compute/affinity_label_set.go

@@ -2,38 +2,30 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for set affinity label for compute
 type AffinityLabelSetRequest struct {
 	// ID of the compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// Affinity group label
 	// Required: true
-	AffinityLabel string `url:"affinityLabel" json:"affinityLabel"`
-}
-
-func (crq AffinityLabelSetRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.AffinityLabel == "" {
-		return errors.New("validation-error: field AffinityLabel can not be empty")
-	}
-
-	return nil
+	AffinityLabel string `url:"affinityLabel" json:"affinityLabel" validate:"required"`
 }
 
 // AffinityLabelSet set affinity label for compute
 func (c Compute) AffinityLabelSet(ctx context.Context, req AffinityLabelSetRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/affinityLabelSet"

pkg/cloudapi/compute/affinity_relations.go

@@ -3,30 +3,25 @@ package compute
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for get dict of computes
 type AffinityRelationsRequest struct {
 	// ID of the compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (crq AffinityRelationsRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // AffinityRelations gets dict of computes divided by affinity and anti affinity rules
 func (c Compute) AffinityRelations(ctx context.Context, req AffinityRelationsRequest) (*RecordAffinityRelations, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/affinityRelations"

pkg/cloudapi/compute/affinity_rule_add.go

@@ -2,29 +2,28 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
 
-	"repos.digitalenergy.online/BASIS/decort-golang-sdk/internal/validators"
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for add affinity rule
 type AffinityRuleAddRequest struct {
 	// ID of the compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// Compute or node, for whom rule applies
 	// Required: true
-	Topology string `url:"topology" json:"topology"`
+	Topology string `url:"topology" json:"topology" validate:"computeTopology"`
 
 	// The degree of 'strictness' of this rule
 	// Should be one of:
 	//	- RECOMMENDED
 	//	- REQUIRED
 	// Required: true
-	Policy string `url:"policy" json:"policy"`
+	Policy string `url:"policy" json:"policy" validate:"computePolicy"`
 
 	// The comparison mode is 'value', recorded by the specified 'key'
 	// Should be one of:
@@ -32,57 +31,24 @@ type AffinityRuleAddRequest struct {
 	//	- EN
 	//	- ANY
 	// Required: true
-	Mode string `url:"mode" json:"mode"`
+	Mode string `url:"mode" json:"mode" validate:"computeMode"`
 
 	// Key that are taken into account when analyzing this rule will be identified
 	// Required: true
-	Key string `url:"key" json:"key"`
+	Key string `url:"key" json:"key" validate:"required"`
 
 	// Value that must match the key to be taken into account when analyzing this rule
 	// Required: true
-	Value string `url:"value" json:"value"`
-}
-
-func (crq AffinityRuleAddRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.Topology == "" {
-		return errors.New("validation-error: field Topology can not be empty")
-	}
-	validator := validators.StringInSlice(crq.Topology, []string{"compute", "node"})
-	if !validator {
-		return errors.New("validation-error: field Topology can be only compute or node")
-	}
-	if crq.Policy == "" {
-		return errors.New("validation-error: field Policy can not be empty")
-	}
-	validator = validators.StringInSlice(crq.Policy, []string{"RECOMMENDED", "REQUIRED"})
-	if !validator {
-		return errors.New("validation-error: field Policy can be only RECOMMENDED or REQUIRED")
-	}
-	if crq.Mode == "" {
-		return errors.New("validation-error: field Mode can not be empty")
-	}
-	validator = validators.StringInSlice(crq.Mode, []string{"EQ", "NE", "ANY"})
-	if !validator {
-		return errors.New("validation-error: field Mode can be only EQ, NE or ANY")
-	}
-	if crq.Key == "" {
-		return errors.New("validation-error: field Key can not be empty")
-	}
-	if crq.Value == "" {
-		return errors.New("validation-error: field Value can not be empty")
-	}
-
-	return nil
+	Value string `url:"value" json:"value" validate:"required"`
 }
 
 // AffinityRuleAdd add affinity rule
 func (c Compute) AffinityRuleAdd(ctx context.Context, req AffinityRuleAddRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/affinityRuleAdd"

pkg/cloudapi/compute/affinity_rule_remove.go

@@ -2,29 +2,28 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
 
-	"repos.digitalenergy.online/BASIS/decort-golang-sdk/internal/validators"
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for remove affinity rule
 type AffinityRuleRemoveRequest struct {
 	// ID of the compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// Compute or node, for whom rule applies
 	// Required: true
-	Topology string `url:"topology" json:"topology"`
+	Topology string `url:"topology" json:"topology" validate:"computeTopology"`
 
 	// The degree of 'strictness' of this rule
 	// Should be one of:
 	//	- RECOMMENDED
 	//	- REQUIRED
 	// Required: true
-	Policy string `url:"policy" json:"policy"`
+	Policy string `url:"policy" json:"policy" validate:"computePolicy"`
 
 	// The comparison mode is 'value', recorded by the specified 'key'
 	// Should be one of:
@@ -32,57 +31,24 @@ type AffinityRuleRemoveRequest struct {
 	//	- EN
 	//	- ANY
 	// Required: true
-	Mode string `url:"mode" json:"mode"`
+	Mode string `url:"mode" json:"mode" validate:"computeMode"`
 
 	// Key that are taken into account when analyzing this rule will be identified
 	// Required: true
-	Key string `url:"key" json:"key"`
+	Key string `url:"key" json:"key" validate:"required"`
 
 	// Value that must match the key to be taken into account when analyzing this rule
 	// Required: true
-	Value string `url:"value" json:"value"`
-}
-
-func (crq AffinityRuleRemoveRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.Topology == "" {
-		return errors.New("validation-error: field Topology can not be empty")
-	}
-	validator := validators.StringInSlice(crq.Topology, []string{"compute", "node"})
-	if !validator {
-		return errors.New("validation-error: field Topology can be only compute or node")
-	}
-	if crq.Policy == "" {
-		return errors.New("validation-error: field Policy can not be empty")
-	}
-	validator = validators.StringInSlice(crq.Policy, []string{"RECOMMENDED", "REQUIRED"})
-	if !validator {
-		return errors.New("validation-error: field Policy can be only RECOMMENDED or REQUIRED")
-	}
-	if crq.Mode == "" {
-		return errors.New("validation-error: field Mode can not be empty")
-	}
-	validator = validators.StringInSlice(crq.Mode, []string{"EQ", "NE", "ANY"})
-	if !validator {
-		return errors.New("validation-error: field Mode can be only EQ, NE or ANY")
-	}
-	if crq.Key == "" {
-		return errors.New("validation-error: field Key can not be empty")
-	}
-	if crq.Value == "" {
-		return errors.New("validation-error: field Value can not be empty")
-	}
-
-	return nil
+	Value string `url:"value" json:"value" validate:"required"`
 }
 
 // AffinityRuleRemove remove affinity rule
 func (c Compute) AffinityRuleRemove(ctx context.Context, req AffinityRuleRemoveRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/affinityRuleRemove"

pkg/cloudapi/compute/affinity_rules_clear.go

@@ -2,31 +2,26 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for clear affinity rules
 type AffinityRulesClearRequest struct {
 	// ID of the compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (crq AffinityRulesClearRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // AffinityRulesClear clear affinity rules
 func (c Compute) AffinityRulesClear(ctx context.Context, req AffinityRulesClearRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/affinityRulesClear"

pkg/cloudapi/compute/anti_affinity_rule_add.go

@@ -2,29 +2,28 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
 
-	"repos.digitalenergy.online/BASIS/decort-golang-sdk/internal/validators"
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for add anti affinity rule
 type AntiAffinityRuleAddRequest struct {
 	// ID of the compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// Compute or node, for whom rule applies
 	// Required: true
-	Topology string `url:"topology" json:"topology"`
+	Topology string `url:"topology" json:"topology" validate:"computeTopology"`
 
 	// The degree of 'strictness' of this rule
 	// Should be one of:
 	//	- RECOMMENDED
 	//	- REQUIRED
 	// Required: true
-	Policy string `url:"policy" json:"policy"`
+	Policy string `url:"policy" json:"policy" validate:"computePolicy"`
 
 	// The comparison mode is 'value', recorded by the specified 'key'
 	// Should be one of:
@@ -32,57 +31,24 @@ type AntiAffinityRuleAddRequest struct {
 	//	- EN
 	//	- ANY
 	// Required: true
-	Mode string `url:"mode" json:"mode"`
+	Mode string `url:"mode" json:"mode" validate:"computeMode"`
 
 	// Key that are taken into account when analyzing this rule will be identified
 	// Required: true
-	Key string `url:"key" json:"key"`
+	Key string `url:"key" json:"key" validate:"required"`
 
 	// Value that must match the key to be taken into account when analyzing this rule
 	// Required: true
-	Value string `url:"value" json:"value"`
-}
-
-func (crq AntiAffinityRuleAddRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.Topology == "" {
-		return errors.New("validation-error: field Topology can not be empty")
-	}
-	validator := validators.StringInSlice(crq.Topology, []string{"compute", "node"})
-	if !validator {
-		return errors.New("validation-error: field Topology can be only compute or node")
-	}
-	if crq.Policy == "" {
-		return errors.New("validation-error: field Policy can not be empty")
-	}
-	validator = validators.StringInSlice(crq.Policy, []string{"RECOMMENDED", "REQUIRED"})
-	if !validator {
-		return errors.New("validation-error: field Policy can be only RECOMMENDED or REQUIRED")
-	}
-	if crq.Mode == "" {
-		return errors.New("validation-error: field Mode can not be empty")
-	}
-	validator = validators.StringInSlice(crq.Mode, []string{"EQ", "NE", "ANY"})
-	if !validator {
-		return errors.New("validation-error: field Mode can be only EQ, NE or ANY")
-	}
-	if crq.Key == "" {
-		return errors.New("validation-error: field Key can not be empty")
-	}
-	if crq.Value == "" {
-		return errors.New("validation-error: field Value can not be empty")
-	}
-
-	return nil
+	Value string `url:"value" json:"value" validate:"required"`
 }
 
 // AntiAffinityRuleAdd add anti affinity rule
 func (c Compute) AntiAffinityRuleAdd(ctx context.Context, req AntiAffinityRuleAddRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/antiAffinityRuleAdd"

pkg/cloudapi/compute/anti_affinity_rule_remove.go

@@ -2,29 +2,28 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
 
-	"repos.digitalenergy.online/BASIS/decort-golang-sdk/internal/validators"
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for remove anti affinity rule
 type AntiAffinityRuleRemoveRequest struct {
 	// ID of the compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// Compute or node, for whom rule applies
 	// Required: true
-	Topology string `url:"topology" json:"topology"`
+	Topology string `url:"topology" json:"topology" validate:"computeTopology"`
 
 	// The degree of 'strictness' of this rule
 	// Should be one of:
 	//	- RECOMMENDED
 	//	- REQUIRED
 	// Required: true
-	Policy string `url:"policy" json:"policy"`
+	Policy string `url:"policy" json:"policy" validate:"computePolicy"`
 
 	// The comparison mode is 'value', recorded by the specified 'key'
 	// Should be one of:
@@ -32,57 +31,24 @@ type AntiAffinityRuleRemoveRequest struct {
 	//	- EN
 	//	- ANY
 	// Required: true
-	Mode string `url:"mode" json:"mode"`
+	Mode string `url:"mode" json:"mode" validate:"computeMode"`
 
 	// Key that are taken into account when analyzing this rule will be identified
 	// Required: true
-	Key string `url:"key" json:"key"`
+	Key string `url:"key" json:"key" validate:"required"`
 
 	// Value that must match the key to be taken into account when analyzing this rule
 	// Required: true
-	Value string `url:"value" json:"value"`
-}
-
-func (crq AntiAffinityRuleRemoveRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.Topology == "" {
-		return errors.New("validation-error: field Topology can not be empty")
-	}
-	validator := validators.StringInSlice(crq.Topology, []string{"compute", "node"})
-	if !validator {
-		return errors.New("validation-error: field Topology can be only compute or node")
-	}
-	if crq.Policy == "" {
-		return errors.New("validation-error: field Policy can not be empty")
-	}
-	validator = validators.StringInSlice(crq.Policy, []string{"RECOMMENDED", "REQUIRED"})
-	if !validator {
-		return errors.New("validation-error: field Policy can be only RECOMMENDED or REQUIRED")
-	}
-	if crq.Mode == "" {
-		return errors.New("validation-error: field Mode can not be empty")
-	}
-	validator = validators.StringInSlice(crq.Mode, []string{"EQ", "NE", "ANY"})
-	if !validator {
-		return errors.New("validation-error: field Mode can be only EQ, NE or ANY")
-	}
-	if crq.Key == "" {
-		return errors.New("validation-error: field Key can not be empty")
-	}
-	if crq.Value == "" {
-		return errors.New("validation-error: field Value can not be empty")
-	}
-
-	return nil
+	Value string `url:"value" json:"value" validate:"required"`
 }
 
 // AntiAffinityRuleRemove remove anti affinity rule
 func (c Compute) AntiAffinityRuleRemove(ctx context.Context, req AntiAffinityRuleRemoveRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/antiAffinityRuleRemove"

pkg/cloudapi/compute/anti_affinity_rules_clear.go

@@ -2,31 +2,26 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for clear anti affinity rules
 type AntiAffinityRulesClearRequest struct {
 	// ID of the compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (crq AntiAffinityRulesClearRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // AntiAffinityRulesClear clear anti affinity rules
 func (c Compute) AntiAffinityRulesClear(ctx context.Context, req AntiAffinityRulesClearRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/antiAffinityRulesClear"

pkg/cloudapi/compute/attach_gpu.go

@@ -2,38 +2,30 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for attach GPU for compute
 type AttachGPURequest struct {
 	// Identifier compute
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// Identifier vGPU
 	// Required: true
-	VGPUID uint64 `url:"vgpuId" json:"vgpuId"`
-}
-
-func (crq AttachGPURequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.VGPUID == 0 {
-		return errors.New("validation-error: field VGPUID can not be empty or equal to 0")
-	}
-
-	return nil
+	VGPUID uint64 `url:"vgpuId" json:"vgpuId" validate:"required"`
 }
 
 // AttachGPU attach GPU for compute, returns vgpu id on success
 func (c Compute) AttachGPU(ctx context.Context, req AttachGPURequest) (uint64, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return 0, err
+		for _, validationError := range validators.GetErrors(err) {
+			return 0, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/attachGpu"

pkg/cloudapi/compute/attach_pci_device.go

@@ -2,38 +2,30 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for atttach PCI device
 type AttachPCIDeviceRequest struct {
 	// Identifier compute
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// PCI device ID
 	// Required: true
-	DeviceID uint64 `url:"deviceId" json:"deviceId"`
-}
-
-func (crq AttachPCIDeviceRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.DeviceID == 0 {
-		return errors.New("validation-error: field DeviceID can not be empty or equal to 0")
-	}
-
-	return nil
+	DeviceID uint64 `url:"deviceId" json:"deviceId" validate:"required"`
 }
 
 // AttachPCIDevice attach PCI device
 func (c Compute) AttachPCIDevice(ctx context.Context, req AttachPCIDeviceRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/attachPciDevice"

pkg/cloudapi/compute/audits.go

@@ -3,30 +3,25 @@ package compute
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for get audit records
 type AuditsRequest struct {
 	// ID of the compute
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (crq AuditsRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // Audits gets audit records for the specified compute object
 func (c Compute) Audits(ctx context.Context, req AuditsRequest) (ListAudits, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/audits"

pkg/cloudapi/compute/cd_eject.go

@@ -2,31 +2,26 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for eject CD image
 type CDEjectRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (crq CDEjectRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // CDEject eject CD image to compute's CD-ROM
 func (c Compute) CDEject(ctx context.Context, req CDEjectRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/cdEject"

pkg/cloudapi/compute/cd_insert.go

@@ -2,38 +2,30 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for insert new CD image
 type CDInsertRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// ID of CD-ROM image
 	// Required: true
-	CDROMID uint64 `url:"cdromId" json:"cdromId"`
-}
-
-func (crq CDInsertRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.CDROMID == 0 {
-		return errors.New("validation-error: field CDROMID can not be empty or equal to 0")
-	}
-
-	return nil
+	CDROMID uint64 `url:"cdromId" json:"cdromId" validate:"required"`
 }
 
 // CDInsert insert new CD image to compute's CD-ROM
 func (c Compute) CDInsert(ctx context.Context, req CDInsertRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/cdInsert"

pkg/cloudapi/compute/clone.go

@@ -2,46 +2,38 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for clone compute instance
 type CloneRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// Name of the clone
 	// Required: true
-	Name string `url:"name" json:"name"`
+	Name string `url:"name" json:"name" validate:"required"`
 
 	// Timestamp of the parent's snapshot to create clone from
 	// Required: false
-	SnapshotTimestamp uint64 `url:"snapshotTimestamp" json:"snapshotTimestamp"`
+	SnapshotTimestamp uint64 `url:"snapshotTimestamp,omitempty" json:"snapshotTimestamp,omitempty"`
 
 	// Name of the parent's snapshot to create clone from
 	// Required: false
-	SnapshotName string `url:"snapshotName" json:"snapshotName"`
-}
-
-func (crq CloneRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.Name == "" {
-		return errors.New("validation-error: field Name can not be empty or equal to 0")
-	}
-
-	return nil
+	SnapshotName string `url:"snapshotName,omitempty" json:"snapshotName,omitempty"`
 }
 
 // Clone clones compute instance
 func (c Compute) Clone(ctx context.Context, req CloneRequest) (uint64, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return 0, err
+		for _, validationError := range validators.GetErrors(err) {
+			return 0, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/clone"

pkg/cloudapi/compute/compute.go

@@ -2,7 +2,7 @@
 package compute
 
 import (
-	"repos.digitalenergy.online/BASIS/decort-golang-sdk/interfaces"
+	"repository.basistech.ru/BASIS/decort-golang-sdk/interfaces"
 )
 
 // Structure for creating request to compute

pkg/cloudapi/compute/create_template.go

@@ -2,21 +2,22 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
 	"strings"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for create template
 type CreateTemplateRequest struct {
 	// ID of the compute to create template from
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// Name to assign to the template being created
 	// Required: true
-	Name string `url:"name" json:"name"`
+	Name string `url:"name" json:"name" validate:"required"`
 
 	// Async API call
 	// For async call use CreateTemplateAsync
@@ -25,22 +26,13 @@ type CreateTemplateRequest struct {
 	async bool `url:"async"`
 }
 
-func (crq CreateTemplateRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.Name == "" {
-		return errors.New("validation-error: field Name can not be empty")
-	}
-
-	return nil
-}
-
 // CreateTemplate create template from compute instance
 func (c Compute) CreateTemplate(ctx context.Context, req CreateTemplateRequest) (uint64, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return 0, err
+		for _, validationError := range validators.GetErrors(err) {
+			return 0, validators.ValidationError(validationError)
+		}
 	}
 
 	req.async = false
@@ -62,9 +54,11 @@ func (c Compute) CreateTemplate(ctx context.Context, req CreateTemplateRequest)
 
 // CreateTemplateAsync create template from compute instance
 func (c Compute) CreateTemplateAsync(ctx context.Context, req CreateTemplateRequest) (string, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return "", err
+		for _, validationError := range validators.GetErrors(err) {
+			return "", validators.ValidationError(validationError)
+		}
 	}
 
 	req.async = true

pkg/cloudapi/compute/delete.go

@@ -2,16 +2,17 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for delete compute
 type DeleteRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// Delete permanently
 	// Required: false
@@ -22,19 +23,13 @@ type DeleteRequest struct {
 	DetachDisks bool `url:"detachDisks,omitempty" json:"detachDisks,omitempty"`
 }
 
-func (crq DeleteRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
-}
-
 // Delete deletes compute
 func (c Compute) Delete(ctx context.Context, req DeleteRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/delete"

pkg/cloudapi/compute/detach_gpu.go

@@ -2,36 +2,31 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for detach vgpu for compute
 type DetachGPURequest struct {
 	// Identifier compute
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// Identifier virtual GPU
 	// Required: false
 	VGPUID int64 `url:"vgpuId,omitempty" json:"vgpuId,omitempty"`
 }
 
-func (crq DetachGPURequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
-}
-
 // DetachGPU detach vgpu for compute.
 // If param vgpuid is equivalent -1, then detach all vgpu for compute
 func (c Compute) DetachGPU(ctx context.Context, req DetachGPURequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/detachGpu"

pkg/cloudapi/compute/detach_pci_device.go

@@ -2,38 +2,30 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for detach PCI device
 type DetachPCIDeviceRequest struct {
 	// Identifier compute
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// Pci device ID
 	// Required: true
-	DeviceID uint64 `url:"deviceId" json:"deviceId"`
-}
-
-func (crq DetachPCIDeviceRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.DeviceID == 0 {
-		return errors.New("validation-error: field DeviceID can not be empty or equal to 0")
-	}
-
-	return nil
+	DeviceID uint64 `url:"deviceId" json:"deviceId" validate:"required"`
 }
 
 // DetachPCIDevice detach PCI device
 func (c Compute) DetachPCIDevice(ctx context.Context, req DetachPCIDeviceRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/detachPciDevice"

pkg/cloudapi/compute/disable.go

@@ -2,31 +2,26 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for disable compute
 type DisableRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (crq DisableRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // Disable disables compute
 func (c Compute) Disable(ctx context.Context, req DisableRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/disable"

pkg/cloudapi/compute/disk_add.go

@@ -2,31 +2,32 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for create and attach disk to compute
 type DiskAddRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// Name for disk
 	// Required: true
-	DiskName string `url:"diskName" json:"diskName"`
+	DiskName string `url:"diskName" json:"diskName" validate:"required"`
 
 	// Disk size in GB
 	// Required: true
-	Size uint64 `url:"size" json:"size"`
+	Size uint64 `url:"size" json:"size" validate:"required"`
 
 	// Type of the disk
 	// Should be one of:
 	//	- D
 	//	- B
 	// Required: false
-	DiskType string `url:"diskType,omitempty" json:"diskType,omitempty"`
+	DiskType string `url:"diskType,omitempty" json:"diskType,omitempty" validate:"omitempty,computeDiskType"`
 
 	// Storage endpoint provider ID
 	// By default the same with boot disk
@@ -47,25 +48,13 @@ type DiskAddRequest struct {
 	ImageID uint64 `url:"imageId,omitempty" json:"imageId,omitempty"`
 }
 
-func (crq DiskAddRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.Size == 0 {
-		return errors.New("validation-error: field Size can not be empty or equal to 0")
-	}
-	if crq.DiskName == "" {
-		return errors.New("validation-error: field DiskName can not be empty or equal to 0")
-	}
-
-	return nil
-}
-
 // DiskAdd creates new disk and attach to compute
 func (c Compute) DiskAdd(ctx context.Context, req DiskAddRequest) (uint64, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return 0, err
+		for _, validationError := range validators.GetErrors(err) {
+			return 0, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/diskAdd"

pkg/cloudapi/compute/disk_attach.go

@@ -2,38 +2,30 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for attach disk to compute
 type DiskAttachRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// ID of the disk to attach
 	// Required: true
-	DiskID uint64 `url:"diskId" json:"diskId"`
-}
-
-func (crq DiskAttachRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.DiskID == 0 {
-		return errors.New("validation-error: field DiskID can not be empty or equal to 0")
-	}
-
-	return nil
+	DiskID uint64 `url:"diskId" json:"diskId" validate:"required"`
 }
 
 // DiskAttach attach disk to compute
 func (c Compute) DiskAttach(ctx context.Context, req DiskAttachRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/diskAttach"

pkg/cloudapi/compute/disk_del.go

@@ -2,42 +2,34 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for detach and delete disk from compute
 type DiskDelRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// ID of disk instance
 	// Required: true
-	DiskID uint64 `url:"diskId" json:"diskId"`
+	DiskID uint64 `url:"diskId" json:"diskId" validate:"required"`
 
 	// False if disk is to be deleted to recycle bin
 	// Required: true
-	Permanently bool `url:"permanently" json:"permanently"`
-}
-
-func (crq DiskDelRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.DiskID == 0 {
-		return errors.New("validation-error: field DiskID can not be empty or equal to 0")
-	}
-
-	return nil
+	Permanently bool `url:"permanently" json:"permanently" validate:"required"`
 }
 
 // DiskDel delete disk and detach from compute
 func (c Compute) DiskDel(ctx context.Context, req DiskDelRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/diskDel"

pkg/cloudapi/compute/disk_detach.go

@@ -2,38 +2,30 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for detach disk from compute
 type DiskDetachRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// ID of the disk to detach
 	// Required: true
-	DiskID uint64 `url:"diskId" json:"diskId"`
-}
-
-func (crq DiskDetachRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.DiskID == 0 {
-		return errors.New("validation-error: field DiskID can not be empty or equal to 0")
-	}
-
-	return nil
+	DiskID uint64 `url:"diskId" json:"diskId" validate:"required"`
 }
 
 // DiskDetach detach disk from compute
 func (c Compute) DiskDetach(ctx context.Context, req DiskDetachRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/diskDetach"

pkg/cloudapi/compute/disk_qos.go

@@ -2,45 +2,34 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for change QoS of the disk
 type DiskQOSRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// ID of the disk to apply limits
 	// Required: true
-	DiskID uint64 `url:"diskId" json:"diskId"`
+	DiskID uint64 `url:"diskId" json:"diskId" validate:"required"`
 
 	// Limit IO for a certain disk total and read/write options are not allowed to be combined
 	// Required: true
-	Limits string `url:"limits" json:"limits"`
-}
-
-func (crq DiskQOSRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.DiskID == 0 {
-		return errors.New("validation-error: field DiskID can not be empty or equal to 0")
-	}
-	if crq.Limits == "" {
-		return errors.New("validation-error: field Limits can not be empty")
-	}
-
-	return nil
+	Limits string `url:"limits" json:"limits" validate:"required"`
 }
 
 // DiskQOS change QoS of the disk
 func (c Compute) DiskQOS(ctx context.Context, req DiskQOSRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/diskQos"

pkg/cloudapi/compute/disk_resize.go

@@ -2,45 +2,34 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for change disk size
 type DiskResizeRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// ID of the disk to resize
 	// Required: true
-	DiskID uint64 `url:"diskId" json:"diskId"`
+	DiskID uint64 `url:"diskId" json:"diskId" validate:"required"`
 
 	// New disk size
 	// Required: true
-	Size uint64 `url:"size" json:"size"`
-}
-
-func (crq DiskResizeRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.DiskID == 0 {
-		return errors.New("validation-error: field DiskID can not be empty or equal to 0")
-	}
-	if crq.Size == 0 {
-		return errors.New("validation-error: field Size can not be empty or equal to 0")
-	}
-
-	return nil
+	Size uint64 `url:"size" json:"size" validate:"required"`
 }
 
 // DiskResize change disk size
 func (c Compute) DiskResize(ctx context.Context, req DiskResizeRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/diskResize"

pkg/cloudapi/compute/enable.go

@@ -2,31 +2,26 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for enable compute
 type EnableRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (crq EnableRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // Enable enables compute
 func (c Compute) Enable(ctx context.Context, req EnableRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/enable"

pkg/cloudapi/compute/get.go

@@ -3,30 +3,25 @@ package compute
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request for get information about compute
 type GetRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (crq GetRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // Get Gets information about compute
 func (c Compute) Get(ctx context.Context, req GetRequest) (*RecordCompute, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/get"

pkg/cloudapi/compute/get_audits.go

@@ -3,30 +3,25 @@ package compute
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for get compute audits
 type GetAuditsRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (crq GetAuditsRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // GetAudits gets compute audits
 func (c Compute) GetAudits(ctx context.Context, req GetAuditsRequest) (ListShortAudits, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/getAudits"

pkg/cloudapi/compute/get_console_url.go

@@ -2,31 +2,26 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strings"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for get console URL
 type GetConsoleURLRequest struct {
 	// ID of compute instance to get console for
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (crq GetConsoleURLRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // GetConsoleURL gets computes console URL
 func (c Compute) GetConsoleURL(ctx context.Context, req GetConsoleURLRequest) (string, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return "", err
+		for _, validationError := range validators.GetErrors(err) {
+			return "", validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/getConsoleUrl"

pkg/cloudapi/compute/get_log.go

@@ -2,37 +2,29 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for get compute logs
 type GetLogRequest struct {
 	// ID of compute instance to get log for
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+    ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// Path to log file
 	// Required: true
-	Path string `url:"path" json:"path"`
-}
-
-func (crq GetLogRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.Path == "" {
-		return errors.New("validation-error: field Path can not be empty")
-	}
-
-	return nil
+    Path string `url:"path" json:"path" validate:"required"`
 }
 
 // GetLog gets compute's log file by path
 func (c Compute) GetLog(ctx context.Context, req GetLogRequest) (string, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return "", err
+		for _, validationError := range validators.GetErrors(err) {
+			return "", validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/getLog"
@@ -47,9 +39,11 @@ func (c Compute) GetLog(ctx context.Context, req GetLogRequest) (string, error)
 
 // GetLogGet gets compute's log file by path
 func (c Compute) GetLogGet(ctx context.Context, req GetLogRequest) (string, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return "", err
+		for _, validationError := range validators.GetErrors(err) {
+			return "", validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi//compute/getLog"

pkg/cloudapi/compute/list_pci_device.go

@@ -3,30 +3,25 @@ package compute
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for get list PCI devices
 type ListPCIDeviceRequest struct {
 	// Identifier compute
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (crq ListPCIDeviceRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // ListPCIDevice gets list PCI device
 func (c Compute) ListPCIDevice(ctx context.Context, req ListPCIDeviceRequest) ([]interface{}, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/listPciDevice"

pkg/cloudapi/compute/list_vgpu.go

@@ -3,30 +3,25 @@ package compute
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for get list vGPU
 type ListVGPURequest struct {
 	// Identifier compute
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (crq ListVGPURequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // ListVGPU gets list vGPU
 func (c Compute) ListVGPU(ctx context.Context, req ListVGPURequest) ([]interface{}, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/listVgpu"

pkg/cloudapi/compute/move_to_rg.go

@@ -2,20 +2,21 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for move compute new resource group
 type MoveToRGRequest struct {
 	// ID of the compute instance to move
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// ID of the target resource group
 	// Required: true
-	RGID uint64 `url:"rgId" json:"rgId"`
+	RGID uint64 `url:"rgId" json:"rgId" validate:"required"`
 
 	// New name for the compute upon successful move,
 	// if name change required.
@@ -33,22 +34,13 @@ type MoveToRGRequest struct {
 	ForceStop bool `url:"forceStop,omitempty" json:"forceStop,omitempty"`
 }
 
-func (crq MoveToRGRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.RGID == 0 {
-		return errors.New("validation-error: field RGID can not be empty or equal to 0")
-	}
-
-	return nil
-}
-
 // MoveToRG moves compute instance to new resource group
 func (c Compute) MoveToRG(ctx context.Context, req MoveToRGRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/moveToRg"

pkg/cloudapi/compute/net_attach.go

@@ -3,58 +3,41 @@ package compute
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
 
-	"repos.digitalenergy.online/BASIS/decort-golang-sdk/internal/validators"
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for attach network
 type NetAttachRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// Network type
 	// 'EXTNET' for connect to external network directly
 	// and 'VINS' for connect to ViNS
 	// Required: true
-	NetType string `url:"netType" json:"netType"`
+	NetType string `url:"netType" json:"netType" validate:"computeNetType"`
 
 	// Network ID for connect to
 	// For EXTNET - external network ID
 	// For VINS - VINS ID
 	// Required: true
-	NetID uint64 `url:"netId" json:"netId"`
+	NetID uint64 `url:"netId" json:"netId" validate:"required"`
 
 	// Directly required IP address for new network interface
-	// Required: true
+	// Required: false
 	IPAddr string `url:"ipAddr,omitempty" json:"ipAddr,omitempty"`
 }
 
-func (crq NetAttachRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.NetType == "" {
-		return errors.New("validation-error: field NetType can not be empty")
-	}
-	validator := validators.StringInSlice(crq.NetType, []string{"EXTNET", "VINS"})
-	if !validator {
-		return errors.New("validation-error: field NetType can be only EXTNET or VINS")
-	}
-	if crq.NetID == 0 {
-		return errors.New("validation-error: field NetID can not be empty or equal to 0")
-	}
-
-	return nil
-}
-
 // NetAttach attach network to compute and gets info about network
 func (c Compute) NetAttach(ctx context.Context, req NetAttachRequest) (*RecordNetAttach, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/netAttach"

pkg/cloudapi/compute/net_detach.go

@@ -2,16 +2,17 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for detach networ to compute
 type NetDetachRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// IP of the network interface
 	// Required: false
@@ -22,19 +23,13 @@ type NetDetachRequest struct {
 	MAC string `url:"mac,omitempty" json:"mac,omitempty"`
 }
 
-func (crq NetDetachRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
-}
-
 // NetDetach detach network to compute
 func (c Compute) NetDetach(ctx context.Context, req NetDetachRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/netDetach"

pkg/cloudapi/compute/pause.go

@@ -2,31 +2,26 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for pause compute
 type PauseRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (crq PauseRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // Pause pause compute
 func (c Compute) Pause(ctx context.Context, req PauseRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/pause"

pkg/cloudapi/compute/pfw_add.go

@@ -2,22 +2,21 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
 
-	"repos.digitalenergy.online/BASIS/decort-golang-sdk/internal/validators"
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for add port forward rule
 type PFWAddRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// External start port number for the rule
 	// Required: true
-	PublicPortStart uint64 `url:"publicPortStart" json:"publicPortStart"`
+	PublicPortStart uint64 `url:"publicPortStart" json:"publicPortStart" validate:"required"`
 
 	// End port number (inclusive) for the ranged rule
 	// Required: false
@@ -25,40 +24,21 @@ type PFWAddRequest struct {
 
 	// Internal base port number
 	// Required: true
-	LocalBasePort uint64 `url:"localBasePort" json:"localBasePort"`
+	LocalBasePort uint64 `url:"localBasePort" json:"localBasePort" validate:"required"`
 
 	// Network protocol
 	// either "tcp" or "udp"
 	// Required: true
-	Proto string `url:"proto" json:"proto"`
-}
-
-func (crq PFWAddRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-	if crq.PublicPortStart == 0 {
-		return errors.New("validation-error: field PublicPortStart can not be empty or equal to 0")
-	}
-	if crq.LocalBasePort == 0 {
-		return errors.New("validation-error: field LocalBasePort can not be empty or equal to 0")
-	}
-	if crq.Proto == "" {
-		return errors.New("validation-error: field Proto can not be empty")
-	}
-	validator := validators.StringInSlice(crq.Proto, []string{"tcp", "udp"})
-	if !validator {
-		return errors.New("validation-error: field Proto can be only tcp or udp")
-	}
-
-	return nil
+	Proto string `url:"proto" json:"proto" validate:"computeProto"`
 }
 
 // PFWAdd add port forward rule
 func (c Compute) PFWAdd(ctx context.Context, req PFWAddRequest) (uint64, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return 0, err
+		for _, validationError := range validators.GetErrors(err) {
+			return 0, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/pfwAdd"

pkg/cloudapi/compute/pfw_del.go

@@ -2,16 +2,17 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for delete port forward rule
 type PFWDelRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// ID of the rule to delete. If specified, all other arguments will be ignored
 	// Required: false
@@ -35,19 +36,13 @@ type PFWDelRequest struct {
 	Proto string `url:"proto,omitempty" json:"proto,omitempty"`
 }
 
-func (crq PFWDelRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
-}
-
 // PFWDel delete port forward rule
 func (c Compute) PFWDel(ctx context.Context, req PFWDelRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/pfwDel"

pkg/cloudapi/compute/pfw_list.go

@@ -3,30 +3,25 @@ package compute
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"net/http"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for get list port forwards
 type PFWListRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (crq PFWListRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // PFWList gets compute port forwards list
 func (c Compute) PFWList(ctx context.Context, req PFWListRequest) (ListPFWs, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return nil, err
+		for _, validationError := range validators.GetErrors(err) {
+			return nil, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/pfwList"

pkg/cloudapi/compute/pin_to_stack.go

@@ -2,31 +2,26 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for pin comptute to stack
 type PinToStackRequest struct {
 	// ID of the compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (crq PinToStackRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // PinToStack pin compute to current stack
 func (c Compute) PinToStack(ctx context.Context, req PinToStackRequest) (uint64, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return 0, err
+		for _, validationError := range validators.GetErrors(err) {
+			return 0, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/pinToStack"

pkg/cloudapi/compute/power_cycle.go

@@ -2,31 +2,26 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for force stop and start compute
 type PowerCycleRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (crq PowerCycleRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // PowerCycle makes force stop and start compute
 func (c Compute) PowerCycle(ctx context.Context, req PowerCycleRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/powerCycle"

pkg/cloudapi/compute/reboot.go

@@ -2,31 +2,26 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for reboot compute
 type RebootRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (crq RebootRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // Reboot reboot compute
 func (c Compute) Reboot(ctx context.Context, req RebootRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/reboot"

pkg/cloudapi/compute/redeploy.go

@@ -2,16 +2,17 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for redeploy
 type RedeployRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 
 	// ID of the new OS image, if image change is required
 	// Required: false
@@ -35,19 +36,13 @@ type RedeployRequest struct {
 	ForceStop bool `url:"forceStop,omitempty" json:"forceStop,omitempty"`
 }
 
-func (crq RedeployRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
-}
-
 // Redeploy redeploy compute
 func (c Compute) Redeploy(ctx context.Context, req RedeployRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/redeploy"

pkg/cloudapi/compute/reset.go

@@ -2,31 +2,26 @@ package compute
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"strconv"
+
+	"repository.basistech.ru/BASIS/decort-golang-sdk/internal/validators"
 )
 
 // Request struct for reset compute
 type ResetRequest struct {
 	// ID of compute instance
 	// Required: true
-	ComputeID uint64 `url:"computeId" json:"computeId"`
-}
-
-func (crq ResetRequest) validate() error {
-	if crq.ComputeID == 0 {
-		return errors.New("validation-error: field ComputeID can not be empty or equal to 0")
-	}
-
-	return nil
+	ComputeID uint64 `url:"computeId" json:"computeId" validate:"required"`
 }
 
 // Reset reset compute
 func (c Compute) Reset(ctx context.Context, req ResetRequest) (bool, error) {
-	err := req.validate()
+	err := validators.ValidateRequest(req)
 	if err != nil {
-		return false, err
+		for _, validationError := range validators.GetErrors(err) {
+			return false, validators.ValidationError(validationError)
+		}
 	}
 
 	url := "/cloudapi/compute/reset"