Add locations

internal/provider/data_sources_map.go

@@ -25,6 +25,8 @@ import (
 	"github.com/rudecs/terraform-provider-decort/internal/service/cloudapi/bservice"
 	"github.com/rudecs/terraform-provider-decort/internal/service/cloudapi/disks"
 	"github.com/rudecs/terraform-provider-decort/internal/service/cloudapi/extnet"
+	"github.com/rudecs/terraform-provider-decort/internal/service/cloudapi/kvmvm"
+	"github.com/rudecs/terraform-provider-decort/internal/service/cloudapi/locations"
 	"github.com/rudecs/terraform-provider-decort/internal/service/cloudapi/rg"
 	"github.com/rudecs/terraform-provider-decort/internal/service/cloudapi/snapshot"
 	"github.com/rudecs/terraform-provider-decort/internal/service/cloudapi/vgpu"
@@ -37,9 +39,9 @@ import (
 
 func NewDataSourcesMap() map[string]*schema.Resource {
 	return map[string]*schema.Resource{
-		"decort_account":  account.DataSourceAccount(),
-		"decort_resgroup": rg.DataSourceResgroup(),
-		// "decort_kvmvm":                          dataSourceCompute(),
+		"decort_account":                        account.DataSourceAccount(),
+		"decort_resgroup":                       rg.DataSourceResgroup(),
+		"decort_kvmvm":                          kvmvm.DataSourceCompute(),
 		"decort_image":                          image.DataSourceImage(),
 		"decort_disk":                           disks.DataSourceDisk(),
 		"decort_vins":                           vins.DataSourceVins(),
@@ -81,6 +83,8 @@ func NewDataSourcesMap() map[string]*schema.Resource {
 		"decort_extnet":                         extnet.DataSourceExtnet(),
 		"decort_extnet_default":                 extnet.DataSourceExtnetDefault(),
 		"decort_vins_list":                      vins.DataSourceVinsList(),
+		"decort_locations_list":                 locations.DataSourceLocationsList(),
+		"decort_location_url":                   locations.DataSourceLocationUrl(),
 		// "decort_pfw": dataSourcePfw(),
 	}
 

internal/provider/provider.go

@@ -21,7 +21,6 @@ package provider
 
 import (
 	"fmt"
-	"strings"
 
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/validation"
@@ -29,6 +28,7 @@ import (
 
 	"github.com/rudecs/terraform-provider-decort/internal/controller"
 	"github.com/rudecs/terraform-provider-decort/internal/location"
+	"github.com/rudecs/terraform-provider-decort/internal/statefuncs"
 )
 
 func Provider() *schema.Provider {
@@ -37,7 +37,7 @@ func Provider() *schema.Provider {
 			"authenticator": {
 				Type:         schema.TypeString,
 				Required:     true,
-				StateFunc:    StateFuncToLower,
+				StateFunc:    statefuncs.StateFuncToLower,
 				ValidateFunc: validation.StringInSlice([]string{"oauth2", "legacy", "jwt"}, true), // ignore case while validating
 				Description:  "Authentication mode to use when connecting to DECORT cloud API. Should be one of 'oauth2', 'legacy' or 'jwt'.",
 			},
@@ -45,7 +45,7 @@ func Provider() *schema.Provider {
 			"oauth2_url": {
 				Type:        schema.TypeString,
 				Optional:    true,
-				StateFunc:   StateFuncToLower,
+				StateFunc:   statefuncs.StateFuncToLower,
 				DefaultFunc: schema.EnvDefaultFunc("DECORT_OAUTH2_URL", nil),
 				Description: "OAuth2 application URL in 'oauth2' authentication mode.",
 			},
@@ -54,7 +54,7 @@ func Provider() *schema.Provider {
 				Type:        schema.TypeString,
 				Required:    true,
 				ForceNew:    true,
-				StateFunc:   StateFuncToLower,
+				StateFunc:   statefuncs.StateFuncToLower,
 				Description: "URL of DECORT Cloud controller to use. API calls will be directed to this URL.",
 			},
 
@@ -109,14 +109,6 @@ func Provider() *schema.Provider {
 	}
 }
 
-func StateFuncToLower(argval interface{}) string {
-	return strings.ToLower(argval.(string))
-}
-
-func StateFuncToUpper(argval interface{}) string {
-	return strings.ToUpper(argval.(string))
-}
-
 func providerConfigure(d *schema.ResourceData) (interface{}, error) {
 	decsController, err := controller.ControllerConfigure(d)
 	if err != nil {

internal/service/cloudapi/account/data_source_account.go

@@ -168,13 +168,11 @@ func dataSourceAccountSchemaMake() map[string]*schema.Schema {
 		"resources": {
 			Type:     schema.TypeList,
 			Computed: true,
-			MaxItems: 1,
 			Elem: &schema.Resource{
 				Schema: map[string]*schema.Schema{
 					"current": {
 						Type:     schema.TypeList,
 						Computed: true,
-						MaxItems: 1,
 						Elem: &schema.Resource{
 							Schema: map[string]*schema.Schema{
 								"cpu": {
@@ -207,7 +205,6 @@ func dataSourceAccountSchemaMake() map[string]*schema.Schema {
 					"reserved": {
 						Type:     schema.TypeList,
 						Computed: true,
-						MaxItems: 1,
 						Elem: &schema.Resource{
 							Schema: map[string]*schema.Schema{
 								"cpu": {
@@ -330,7 +327,6 @@ func dataSourceAccountSchemaMake() map[string]*schema.Schema {
 		"resource_limits": {
 			Type:     schema.TypeList,
 			Computed: true,
-			MaxItems: 1,
 			Elem: &schema.Resource{
 				Schema: map[string]*schema.Schema{
 					"cu_c": {
@@ -390,7 +386,6 @@ func dataSourceAccountSchemaMake() map[string]*schema.Schema {
 		"computes": {
 			Type:     schema.TypeList,
 			Computed: true,
-			MaxItems: 1,
 			Elem: &schema.Resource{
 				Schema: map[string]*schema.Schema{
 					"started": {
@@ -407,7 +402,6 @@ func dataSourceAccountSchemaMake() map[string]*schema.Schema {
 		"machines": {
 			Type:     schema.TypeList,
 			Computed: true,
-			MaxItems: 1,
 			Elem: &schema.Resource{
 				Schema: map[string]*schema.Schema{
 					"halted": {

internal/service/cloudapi/account/data_source_account_rg_list.go

@@ -113,7 +113,6 @@ func dataSourceAccountRGListSchemaMake() map[string]*schema.Schema {
 				Schema: map[string]*schema.Schema{
 					"computes": {
 						Type:     schema.TypeList,
-						MaxItems: 1,
 						Computed: true,
 						Elem: &schema.Resource{
 							Schema: map[string]*schema.Schema{
@@ -131,13 +130,11 @@ func dataSourceAccountRGListSchemaMake() map[string]*schema.Schema {
 					"resources": {
 						Type:     schema.TypeList,
 						Computed: true,
-						MaxItems: 1,
 						Elem: &schema.Resource{
 							Schema: map[string]*schema.Schema{
 								"consumed": {
 									Type:     schema.TypeList,
 									Computed: true,
-									MaxItems: 1,
 									Elem: &schema.Resource{
 										Schema: map[string]*schema.Schema{
 											"cpu": {
@@ -171,7 +168,6 @@ func dataSourceAccountRGListSchemaMake() map[string]*schema.Schema {
 								"limits": {
 									Type:     schema.TypeList,
 									Computed: true,
-									MaxItems: 1,
 									Elem: &schema.Resource{
 										Schema: map[string]*schema.Schema{
 											"cpu": {
@@ -204,7 +200,6 @@ func dataSourceAccountRGListSchemaMake() map[string]*schema.Schema {
 								"reserved": {
 									Type:     schema.TypeList,
 									Computed: true,
-									MaxItems: 1,
 									Elem: &schema.Resource{
 										Schema: map[string]*schema.Schema{
 											"cpu": {

internal/service/cloudapi/account/resource_account.go

@@ -559,13 +559,11 @@ func resourceAccountSchemaMake() map[string]*schema.Schema {
 		"resources": {
 			Type:     schema.TypeList,
 			Computed: true,
-			MaxItems: 1,
 			Elem: &schema.Resource{
 				Schema: map[string]*schema.Schema{
 					"current": {
 						Type:     schema.TypeList,
 						Computed: true,
-						MaxItems: 1,
 						Elem: &schema.Resource{
 							Schema: map[string]*schema.Schema{
 								"cpu": {
@@ -598,7 +596,6 @@ func resourceAccountSchemaMake() map[string]*schema.Schema {
 					"reserved": {
 						Type:     schema.TypeList,
 						Computed: true,
-						MaxItems: 1,
 						Elem: &schema.Resource{
 							Schema: map[string]*schema.Schema{
 								"cpu": {
@@ -740,7 +737,6 @@ func resourceAccountSchemaMake() map[string]*schema.Schema {
 		"computes": {
 			Type:     schema.TypeList,
 			Computed: true,
-			MaxItems: 1,
 			Elem: &schema.Resource{
 				Schema: map[string]*schema.Schema{
 					"started": {
@@ -757,7 +753,6 @@ func resourceAccountSchemaMake() map[string]*schema.Schema {
 		"machines": {
 			Type:     schema.TypeList,
 			Computed: true,
-			MaxItems: 1,
 			Elem: &schema.Resource{
 				Schema: map[string]*schema.Schema{
 					"halted": {

internal/service/cloudapi/extnet/data_source_extnet.go

@@ -156,7 +156,6 @@ func dataSourceExtnetSchemaMake() map[string]*schema.Schema {
 		},
 		"default_qos": {
 			Type:     schema.TypeList,
-			MaxItems: 1,
 			Computed: true,
 			Elem: &schema.Resource{
 				Schema: map[string]*schema.Schema{
@@ -302,7 +301,6 @@ func dataSourceExtnetSchemaMake() map[string]*schema.Schema {
 		},
 		"vnfs": {
 			Type:     schema.TypeList,
-			MaxItems: 1,
 			Computed: true,
 			Elem: &schema.Resource{
 				Schema: map[string]*schema.Schema{

internal/service/cloudapi/kvmvm/data_source_compute.go

@@ -207,7 +207,7 @@ func dataSourceComputeRead(ctx context.Context, d *schema.ResourceData, m interf
 	return diag.FromErr(flattenCompute(d, compFacts))
 }
 
-func dataSourceCompute() *schema.Resource {
+func DataSourceCompute() *schema.Resource {
 	return &schema.Resource{
 		SchemaVersion: 1,
 
@@ -302,7 +302,6 @@ func dataSourceCompute() *schema.Resource {
 			"extra_disks": {
 				Type:     schema.TypeSet,
 				Computed: true,
-				MaxItems: constants.MaxExtraDisksPerCompute,
 				Elem: &schema.Schema{
 					Type: schema.TypeInt,
 				},

internal/service/cloudapi/kvmvm/network_subresource.go

@@ -35,7 +35,7 @@ import (
 	"bytes"
 	"hash/fnv"
 
-	"github.com/rudecs/terraform-provider-decort/internal/provider"
+	"github.com/rudecs/terraform-provider-decort/internal/statefuncs"
 	log "github.com/sirupsen/logrus"
 
 	"sort"
@@ -125,7 +125,7 @@ func networkSubresourceSchemaMake() map[string]*schema.Schema {
 		"net_type": {
 			Type:         schema.TypeString,
 			Required:     true,
-			StateFunc:    provider.StateFuncToUpper,
+			StateFunc:    statefuncs.StateFuncToUpper,
 			ValidateFunc: validation.StringInSlice([]string{"EXTNET", "VINS"}, false), // observe case while validating
 			Description:  "Type of the network for this connection, either EXTNET or VINS.",
 		},

internal/service/cloudapi/kvmvm/resource_compute.go

@@ -40,7 +40,7 @@ import (
 
 	"github.com/rudecs/terraform-provider-decort/internal/constants"
 	"github.com/rudecs/terraform-provider-decort/internal/controller"
-	"github.com/rudecs/terraform-provider-decort/internal/provider"
+	"github.com/rudecs/terraform-provider-decort/internal/statefuncs"
 	log "github.com/sirupsen/logrus"
 
 	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
@@ -394,7 +394,7 @@ func ResourceCompute() *schema.Resource {
 				Type:         schema.TypeString,
 				Required:     true,
 				ForceNew:     true,
-				StateFunc:    provider.StateFuncToUpper,
+				StateFunc:    statefuncs.StateFuncToUpper,
 				ValidateFunc: validation.StringInSlice([]string{"KVM_X86", "KVM_PPC"}, false), // observe case while validating
 				Description:  "Hardware architecture of this compute instance.",
 			},

internal/service/cloudapi/locations/api.go

@@ -0,0 +1,23 @@
+package locations
+
+/*
+Copyright (c) 2019-2022 Digital Energy Cloud Solutions LLC. All Rights Reserved.
+Authors:
+Petr Krutov, <petr.krutov@digitalenergy.online>
+Stanislav Solovev, <spsolovev@digitalenergy.online>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+const locationsListAPI = "/restmachine/cloudapi/locations/list"
+const locationURLAPI = "/restmachine/cloudapi/locations/getUrl"

internal/service/cloudapi/locations/data_source_locations_list.go

@@ -0,0 +1,155 @@
+/*
+Copyright (c) 2019-2022 Digital Energy Cloud Solutions LLC. All Rights Reserved.
+Authors:
+Petr Krutov, <petr.krutov@digitalenergy.online>
+Stanislav Solovev, <spsolovev@digitalenergy.online>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+/*
+Terraform DECORT provider - manage resources provided by DECORT (Digital Energy Cloud
+Orchestration Technology) with Terraform by Hashicorp.
+
+Source code: https://github.com/rudecs/terraform-provider-decort
+
+Please see README.md to learn where to place source code so that it
+builds seamlessly.
+
+Documentation: https://github.com/rudecs/terraform-provider-decort/wiki
+*/
+
+package locations
+
+import (
+	"context"
+
+	"github.com/google/uuid"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+	"github.com/rudecs/terraform-provider-decort/internal/constants"
+	"github.com/rudecs/terraform-provider-decort/internal/flattens"
+)
+
+func flattenLocationsList(ll LocationsList) []map[string]interface{} {
+	res := make([]map[string]interface{}, 0)
+	for _, l := range ll {
+		temp := map[string]interface{}{
+			"ckey":          l.CKey,
+			"meta":          flattens.FlattenMeta(l.Meta),
+			"flag":          l.Flag,
+			"gid":           l.GridID,
+			"guid":          l.Guid,
+			"id":            l.Id,
+			"location_code": l.LocationCode,
+			"name":          l.Name,
+		}
+		res = append(res, temp)
+	}
+	return res
+
+}
+
+func dataSourceLocationsListRead(ctx context.Context, d *schema.ResourceData, m interface{}) diag.Diagnostics {
+	locations, err := utilityLocationsListCheckPresence(ctx, d, m)
+	if err != nil {
+
+		return diag.FromErr(err)
+	}
+
+	id := uuid.New()
+	d.SetId(id.String())
+
+	d.Set("items", flattenLocationsList(locations))
+
+	return nil
+}
+
+func dataSourceLocationsListSchemaMake() map[string]*schema.Schema {
+	return map[string]*schema.Schema{
+		"page": {
+			Type:        schema.TypeInt,
+			Optional:    true,
+			Description: "page number",
+		},
+		"size": {
+			Type:        schema.TypeInt,
+			Optional:    true,
+			Description: "page size",
+		},
+		"items": {
+			Type:        schema.TypeList,
+			Computed:    true,
+			Description: "Locations list",
+			Elem: &schema.Resource{
+				Schema: map[string]*schema.Schema{
+					"ckey": {
+						Type:     schema.TypeString,
+						Computed: true,
+					},
+					"meta": {
+						Type:     schema.TypeList,
+						Computed: true,
+						Elem: &schema.Schema{
+							Type: schema.TypeString,
+						},
+					},
+					"flag": {
+						Type:     schema.TypeString,
+						Computed: true,
+					},
+					"gid": {
+						Type:        schema.TypeInt,
+						Computed:    true,
+						Description: "Grid id",
+					},
+					"guid": {
+						Type:        schema.TypeInt,
+						Computed:    true,
+						Description: "location id",
+					},
+					"id": {
+						Type:        schema.TypeInt,
+						Computed:    true,
+						Description: "location id",
+					},
+					"location_code": {
+						Type:        schema.TypeString,
+						Computed:    true,
+						Description: "Location code",
+					},
+					"name": {
+						Type:        schema.TypeString,
+						Computed:    true,
+						Description: "Location name",
+					},
+				},
+			},
+		},
+	}
+}
+
+func DataSourceLocationsList() *schema.Resource {
+	return &schema.Resource{
+		SchemaVersion: 1,
+
+		ReadContext: dataSourceLocationsListRead,
+
+		Timeouts: &schema.ResourceTimeout{
+			Read:    &constants.Timeout30s,
+			Default: &constants.Timeout60s,
+		},
+
+		Schema: dataSourceLocationsListSchemaMake(),
+	}
+}

internal/service/cloudapi/locations/data_source_locations_url.go

@@ -0,0 +1,81 @@
+/*
+Copyright (c) 2019-2022 Digital Energy Cloud Solutions LLC. All Rights Reserved.
+Authors:
+Petr Krutov, <petr.krutov@digitalenergy.online>
+Stanislav Solovev, <spsolovev@digitalenergy.online>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+/*
+Terraform DECORT provider - manage resources provided by DECORT (Digital Energy Cloud
+Orchestration Technology) with Terraform by Hashicorp.
+
+Source code: https://github.com/rudecs/terraform-provider-decort
+
+Please see README.md to learn where to place source code so that it
+builds seamlessly.
+
+Documentation: https://github.com/rudecs/terraform-provider-decort/wiki
+*/
+
+package locations
+
+import (
+	"context"
+
+	"github.com/google/uuid"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+	"github.com/rudecs/terraform-provider-decort/internal/constants"
+)
+
+func dataSourceLocationUrlRead(ctx context.Context, d *schema.ResourceData, m interface{}) diag.Diagnostics {
+	url, err := utilityLocationUrlCheckPresence(ctx, d, m)
+	if err != nil {
+
+		return diag.FromErr(err)
+	}
+
+	id := uuid.New()
+	d.SetId(id.String())
+
+	d.Set("url", url)
+
+	return nil
+}
+
+func dataSourceLocationUrlSchemaMake() map[string]*schema.Schema {
+	return map[string]*schema.Schema{
+		"url": {
+			Type:        schema.TypeString,
+			Computed:    true,
+			Description: "Location url",
+		},
+	}
+}
+
+func DataSourceLocationUrl() *schema.Resource {
+	return &schema.Resource{
+		SchemaVersion: 1,
+
+		ReadContext: dataSourceLocationUrlRead,
+
+		Timeouts: &schema.ResourceTimeout{
+			Read:    &constants.Timeout30s,
+			Default: &constants.Timeout60s,
+		},
+
+		Schema: dataSourceLocationUrlSchemaMake(),
+	}
+}

internal/service/cloudapi/locations/models.go

@@ -0,0 +1,33 @@
+/*
+Copyright (c) 2019-2022 Digital Energy Cloud Solutions LLC. All Rights Reserved.
+Authors:
+Petr Krutov, <petr.krutov@digitalenergy.online>
+Stanislav Solovev, <spsolovev@digitalenergy.online>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package locations
+
+type Location struct {
+	GridID       int           `json:"gid"`
+	Id           int           `json:"id"`
+	Guid         int           `json:"guid"`
+	LocationCode string        `json:"locationCode"`
+	Name         string        `json:"name"`
+	Flag         string        `json:"flag"`
+	Meta         []interface{} `json:"_meta"`
+	CKey         string        `json:"_ckey"`
+}
+
+type LocationsList []Location

internal/service/cloudapi/locations/utility_location_url.go

@@ -0,0 +1,61 @@
+/*
+Copyright (c) 2019-2022 Digital Energy Cloud Solutions LLC. All Rights Reserved.
+Authors:
+Petr Krutov, <petr.krutov@digitalenergy.online>
+Stanislav Solovev, <spsolovev@digitalenergy.online>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+/*
+Terraform DECORT provider - manage resources provided by DECORT (Digital Energy Cloud
+Orchestration Technology) with Terraform by Hashicorp.
+
+Source code: https://github.com/rudecs/terraform-provider-decort
+
+Please see README.md to learn where to place source code so that it
+builds seamlessly.
+
+Documentation: https://github.com/rudecs/terraform-provider-decort/wiki
+*/
+
+package locations
+
+import (
+	"context"
+	"encoding/json"
+	"net/url"
+
+	"github.com/rudecs/terraform-provider-decort/internal/controller"
+	log "github.com/sirupsen/logrus"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+)
+
+func utilityLocationUrlCheckPresence(ctx context.Context, d *schema.ResourceData, m interface{}) (string, error) {
+	c := m.(*controller.ControllerCfg)
+
+	log.Debugf("utilityLocationUrlCheckPresence: load locations list")
+	locationUrl, err := c.DecortAPICall(ctx, "POST", locationURLAPI, &url.Values{})
+	if err != nil {
+		return "", err
+	}
+
+	location := new(string)
+	err = json.Unmarshal([]byte(locationUrl), location)
+	if err != nil {
+		return "", nil
+	}
+
+	return *location, nil
+}

internal/service/cloudapi/locations/utility_locations_list.go

@@ -0,0 +1,70 @@
+/*
+Copyright (c) 2019-2022 Digital Energy Cloud Solutions LLC. All Rights Reserved.
+Authors:
+Petr Krutov, <petr.krutov@digitalenergy.online>
+Stanislav Solovev, <spsolovev@digitalenergy.online>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+/*
+Terraform DECORT provider - manage resources provided by DECORT (Digital Energy Cloud
+Orchestration Technology) with Terraform by Hashicorp.
+
+Source code: https://github.com/rudecs/terraform-provider-decort
+
+Please see README.md to learn where to place source code so that it
+builds seamlessly.
+
+Documentation: https://github.com/rudecs/terraform-provider-decort/wiki
+*/
+
+package locations
+
+import (
+	"context"
+	"encoding/json"
+	"net/url"
+	"strconv"
+
+	"github.com/rudecs/terraform-provider-decort/internal/controller"
+	log "github.com/sirupsen/logrus"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+)
+
+func utilityLocationsListCheckPresence(ctx context.Context, d *schema.ResourceData, m interface{}) (LocationsList, error) {
+	locationsList := LocationsList{}
+	c := m.(*controller.ControllerCfg)
+	urlValues := &url.Values{}
+
+	if page, ok := d.GetOk("page"); ok {
+		urlValues.Add("page", strconv.Itoa(page.(int)))
+	}
+	if size, ok := d.GetOk("size"); ok {
+		urlValues.Add("size", strconv.Itoa(size.(int)))
+	}
+
+	log.Debugf("utilityLocationsListCheckPresence: load locations list")
+	locationsListRaw, err := c.DecortAPICall(ctx, "POST", locationsListAPI, urlValues)
+	if err != nil {
+		return nil, err
+	}
+
+	err = json.Unmarshal([]byte(locationsListRaw), &locationsList)
+	if err != nil {
+		return nil, err
+	}
+
+	return locationsList, nil
+}

internal/service/cloudapi/rg/data_source_rg.go

@@ -147,7 +147,6 @@ func DataSourceResgroup() *schema.Resource {
 			"quota": {
 				Type:     schema.TypeList,
 				Computed: true,
-				MaxItems: 1,
 				Elem: &schema.Resource{
 					Schema: quotaRgSubresourceSchemaMake(), // this is a dictionary
 				},

internal/service/cloudapi/rg/data_source_rg_list.go

@@ -242,7 +242,6 @@ func dataSourceRgListSchemaMake() map[string]*schema.Schema {
 					"resource_limits": {
 						Type:     schema.TypeList,
 						Computed: true,
-						MaxItems: 1,
 						Elem: &schema.Resource{
 							Schema: map[string]*schema.Schema{
 								"cu_c": {

internal/service/cloudbroker/sep/data_source_sep_consumption.go

@@ -141,7 +141,6 @@ func dataSourceSepConsumptionSchemaMake() map[string]*schema.Schema {
 		"total": {
 			Type:     schema.TypeList,
 			Computed: true,
-			MaxItems: 1,
 			Elem: &schema.Resource{
 				Schema: map[string]*schema.Schema{
 					"capacity_limit": {

internal/statefuncs/statefuncs.go

@@ -0,0 +1,30 @@
+/*
+Copyright (c) 2019-2022 Digital Energy Cloud Solutions LLC. All Rights Reserved.
+Authors:
+Petr Krutov, <petr.krutov@digitalenergy.online>
+Stanislav Solovev, <spsolovev@digitalenergy.online>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package statefuncs
+
+import "strings"
+
+func StateFuncToLower(argval interface{}) string {
+	return strings.ToLower(argval.(string))
+}
+
+func StateFuncToUpper(argval interface{}) string {
+	return strings.ToUpper(argval.(string))
+}