Implementing ViNS resource and polishing logic in other methods

decort/data_source_compute.go

@@ -299,6 +299,8 @@ func dataSourceCompute() *schema.Resource {
 				Description: "Name of this compute instance. NOTE: this parameter is case sensitive.",
 			},
 
+			// TODO: consider removing compute_id from the schema, as it not practical to call this data provider if
+			// corresponding compute ID is already known
 			"compute_id": {
 				Type:        schema.TypeInt,
 				Optional:    true,

decort/data_source_vins.go

@@ -51,12 +51,14 @@ func flattenVins(d *schema.ResourceData, vins_facts string) error {
 	vinsRecord.Name, vinsRecord.ID, vinsRecord.AccountID, vinsRecord.RgID)
 
 	d.SetId(fmt.Sprintf("%d", vinsRecord.ID))
+	d.Set("name", vinsRecord.Name)
 	d.Set("account_id", vinsRecord.AccountID)
 	d.Set("account_name", vinsRecord.AccountName)
 	err = d.Set("rg_id", vinsRecord.RgID)
 	d.Set("description", vinsRecord.Desc)
 	d.Set("ipcidr", vinsRecord.IPCidr)
 
+	noExtNetConnection := true
 	for _, value := range vinsRecord.VNFs {
 		if value.Type == "GW" {
 			log.Debugf("flattenVins: discovered GW VNF ID %d in ViNS ID %d", value.ID, vinsRecord.ID)
@@ -69,10 +71,16 @@ func flattenVins(d *schema.ResourceData, vins_facts string) error {
 			} else {
 				return fmt.Errorf("Failed to unmarshal VNF GW Config - structure is invalid.")
 			}
+			noExtNetConnection = false
 			break
 		}
 	}
 
+	if noExtNetConnection {
+		d.Set("ext_ip_addr", "")
+		d.Set("ext_net_id", -1)
+	}
+
 	log.Debugf("flattenVins: EXTRA CHECK - schema rg_id=%d, ext_net_id=%d", d.Get("rg_id").(int), d.Get("ext_net_id").(int))
 
 	return nil

decort/models_api.go

@@ -562,7 +562,12 @@ type VinsRecord struct { // represents part of the response from API vins/get
 
 const VinsGetAPI = "/restmachine/cloudapi/vins/get"
 
-const VinsCreateAPI = "/restmachine/cloudapi/vins/create"
+const VinsCreateInAccountAPI = "/restmachine/cloudapi/vins/createInAccount"
+const VinsCreateInRgAPI = "/restmachine/cloudapi/vins/createInRG"
+
+const VinsExtNetConnect = "/restmachine/cloudapi/vins/extNetConnect"
+const VinsExtNetDisconnect = "/restmachine/cloudapi/vins/extNetDisconnect"
+
 const VinsDeleteAPI = "/restmachine/cloudapi/vins/delete"
 
 //

decort/provider.go

@@ -102,7 +102,7 @@ func Provider() *schema.Provider {
 			"decort_resgroup": resourceResgroup(),
 			"decort_kvmvm":    resourceCompute(),
 			"decort_disk":     resourceDisk(),
-			// "decort_vins":     resourceVins(),
+			"decort_vins":     resourceVins(),
 			// "decort_pfw": resourcePfw(),
 		},
 

decort/resource_compute.go

@@ -303,7 +303,7 @@ func resourceComputeDelete(d *schema.ResourceData, m interface{}) error {
 
 	params := &url.Values{}
 	params.Add("computeId", d.Id())
-	params.Add("permanently", "true")
+	params.Add("permanently", "1")
 
 	controller := m.(*ControllerCfg)
 	_, err = controller.decortAPICall("POST", ComputeDeleteAPI, params)
@@ -435,7 +435,7 @@ func resourceCompute() *schema.Resource {
 			"description": {
 				Type:        schema.TypeString,
 				Optional:    true,
-				Description: "Description of this compute instance.",
+				Description: "Optional text description of this compute instance.",
 			},
 
 			

decort/resource_disk.go

@@ -157,14 +157,14 @@ func resourceDiskDelete(d *schema.ResourceData, m interface{}) error {
 
 	params := &url.Values{}
 	params.Add("diskId", d.Id())
-	// NOTE: we are not force-detaching disk from a compute (if attached) this protecting
+	// NOTE: we are not force-detaching disk from a compute (if attached) thus protecting
 	// data that may be on that disk from destruction.
 	// However, this may change in the future, as TF state management logic may want
 	// to delete disk resource BEFORE it is detached from compute instance, and, while
 	// perfectly OK from data preservation viewpoint, this is breaking expected TF workflow
 	// in the eyes of an experienced TF user 
-	params.Add("detach", "false") 
-	params.Add("permanently", "true")
+	params.Add("detach", "0") 
+	params.Add("permanently", "1")
 
 	controller := m.(*ControllerCfg)
 	_, err = controller.decortAPICall("POST", DisksDeleteAPI, params)

decort/resource_rg.go

@@ -237,8 +237,8 @@ func resourceResgroupDelete(d *schema.ResourceData, m interface{}) error {
 
 	url_values := &url.Values{}
 	url_values.Add("rgId", d.Id())
-	url_values.Add("force", "true")
-	url_values.Add("permanently", "true")
+	url_values.Add("force", "1")
+	url_values.Add("permanently", "1")
 	url_values.Add("reason", "Destroyed by DECORT Terraform provider")
 
 	controller := m.(*ControllerCfg)

decort/resource_vins.go

@@ -0,0 +1,299 @@
+/*
+Copyright (c) 2019-2021 Digital Energy Cloud Solutions LLC. All Rights Reserved.
+Author: Sergey Shubin, <sergey.shubin@digitalenergy.online>, <svs1370@gmail.com>
+
+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.
+*/
+
+/*
+This file is part of Terraform (by Hashicorp) provider for Digital Energy Cloud Orchestration
+Technology platfom.
+
+Visit https://github.com/rudecs/terraform-provider-decort for full source code package and updates.
+*/
+
+package decort
+
+import (
+	// "encoding/json"
+	"fmt"
+	"net/url"
+	"strconv"
+
+	log "github.com/sirupsen/logrus"
+
+	"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
+	// "github.com/hashicorp/terraform-plugin-sdk/helper/validation"
+)
+
+func ipcidrDiffSupperss(key, oldVal, newVal string, d *schema.ResourceData) bool {
+	if oldVal == "" && newVal != "" {
+		// if old value for "ipcidr" resource is empty string, it means that we are creating new ViNS
+		// and there is a chance that the user will want specific IP address range for this ViNS -  
+		// check if "ipcidr" is explicitly set in TF file to a non-empty string.
+		log.Debugf("ipcidrDiffSupperss: key=%s, oldVal=%q, newVal=%q -> suppress=FALSE", key, oldVal, newVal)
+		return false // there is a difference between stored and new value
+	}
+	log.Debugf("ipcidrDiffSupperss: key=%s, oldVal=%q, newVal=%q -> suppress=TRUE", key, oldVal, newVal)
+	return true // suppress difference
+}
+
+func resourceVinsCreate(d *schema.ResourceData, m interface{}) error {
+	log.Debugf("resourceVinsCreate: called for ViNS name %s, Account ID %d, RG ID %d",
+	           d.Get("name").(string), d.Get("account_id").(int), d.Get("rg_id").(int))
+
+	apiToCall := VinsCreateInAccountAPI
+
+	controller := m.(*ControllerCfg)
+	urlValues := &url.Values{}
+
+	urlValues.Add("name", d.Get("name").(string))
+
+	argVal, argSet := d.GetOk("rg_id")
+	if argSet && argVal.(int) > 0 {
+		apiToCall = VinsCreateInRgAPI
+		urlValues.Add("rgId", fmt.Sprintf("%d", argVal.(int)))
+	} else {
+		// RG ID either not set at all or set to 0 - user may want ViNS at account level 
+		argVal, argSet = d.GetOk("account_id")
+		if !argSet || argVal.(int) <= 0 {
+			// No valid Account ID (and no RG ID either) - cannot create ViNS
+			return fmt.Errorf("resourceVinsCreate: ViNS name %s - no valid account and/or resource group ID specified", d.Id())
+		}
+		urlValues.Add("accountId", fmt.Sprintf("%d", argVal.(int)))
+	}
+
+	argVal, argSet = d.GetOk("ext_net_id") // NB: even if ext_net_id value is explicitly set to 0, argSet = false anyway
+	if argSet {
+		if argVal.(int) > 0 {
+			// connect to specific external network
+			urlValues.Add("extNetId", fmt.Sprintf("%d", argVal.(int)))
+			// in case of specific ext net connection user may also want a particular IP address
+			argVal, argSet = d.GetOk("ext_net_ip")
+			if argSet && argVal.(string) != "" {
+				urlValues.Add("extIp", argVal.(string))
+			}
+		} else {
+			// ext_net_id is set to a negative value - connect to default external network
+			// no particular IP address selection in this case
+			urlValues.Add("extNetId", "0")
+		}
+	}
+
+	argVal, argSet = d.GetOk("ipcidr")
+	if argSet && argVal.(string) != "" {
+		log.Debugf("resourceVinsCreate: ipcidr is set to %s", argVal.(string))
+		urlValues.Add("ipcidr", argVal.(string))
+	}
+	
+	argVal, argSet = d.GetOk("description")
+	if argSet {
+		urlValues.Add("desc", argVal.(string))
+	}
+
+	apiResp, err := controller.decortAPICall("POST", apiToCall, urlValues)
+	if err != nil {
+		return err
+	}
+
+	d.SetId(apiResp) // update ID of the resource to tell Terraform that the ViNS resource exists
+	vinsId, _ := strconv.Atoi(apiResp)
+
+	log.Debugf("resourceVinsCreate: new ViNS ID / name %d / %s creation sequence complete", vinsId, d.Get("name").(string))
+
+	// We may reuse dataSourceVinsRead here as we maintain similarity 
+	// between ViNS resource and ViNS data source schemas
+	// ViNS resource read function will also update resource ID on success, so that Terraform 
+	// will know the resource exists (however, we already did it a few lines before)
+	return dataSourceVinsRead(d, m)
+}
+
+func resourceVinsRead(d *schema.ResourceData, m interface{}) error {
+	vinsFacts, err := utilityVinsCheckPresence(d, m)
+	if vinsFacts == "" {
+		// if empty string is returned from utilityVinsCheckPresence then there is no
+		// such ViNS and err tells so - just return it to the calling party
+		d.SetId("") // ensure ID is empty
+		return err
+	}
+
+	return flattenVins(d, vinsFacts)
+}
+
+func resourceVinsUpdate(d *schema.ResourceData, m interface{}) error {
+
+	return fmt.Errorf("resourceVinsUpdate: method not implemnted yet - ViNS ID %s", d.Id())
+
+	/*
+	log.Debugf("resourceVinsUpdate: called for ViNS ID / name %s / %s,  Account ID %d",
+		d.Id(), d.Get("name").(string), d.Get("account_id").(int))
+
+	d.Partial(true)
+
+	controller := m.(*ControllerCfg)
+
+	
+	oldName, newName := d.GetChange("name")
+	if oldName.(string) != newName.(string) {
+		log.Debugf("resourceVinsUpdate: renaming ViNS ID %d - %s -> %s", 
+		           d.Get("disk_id").(int), oldName.(string), newName.(string))
+		renameParams := &url.Values{}
+		renameParams.Add("vinsId", d.Id())
+		renameParams.Add("name", newName.(string))
+		_, err := controller.decortAPICall("POST", VinsRenameAPI, renameParams)
+		if err != nil {
+			return err
+		}
+		d.SetPartial("name")
+	}
+
+	d.Partial(false)
+	*/
+
+	// we may reuse dataSourceVinsRead here as we maintain similarity 
+	// between Compute resource and Compute data source schemas
+	// return dataSourceVinsRead(d, m) 
+}
+
+func resourceVinsDelete(d *schema.ResourceData, m interface{}) error {
+	log.Debugf("resourceVinsDelete: called for ViNS ID / name %s / %s, Account ID %d, RG ID %d",
+		d.Id(), d.Get("name").(string), d.Get("account_id").(int), d.Get("rg_id").(int))
+
+	vinsFacts, err := utilityVinsCheckPresence(d, m)
+	if vinsFacts == "" {
+		// the specified ViNS does not exist - in this case according to Terraform best practice
+		// we exit from Destroy method without error
+		return nil
+	}
+
+	params := &url.Values{}
+	params.Add("vinsId", d.Id())
+	params.Add("force", "1")        // disconnect all computes before deleting ViNS
+	params.Add("permanently", "1")  // delete ViNS immediately bypassing recycle bin
+
+	controller := m.(*ControllerCfg)
+	_, err = controller.decortAPICall("POST", VinsDeleteAPI, params)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func resourceVinsExists(d *schema.ResourceData, m interface{}) (bool, error) {
+	// Reminder: according to Terraform rules, this function should not modify its ResourceData argument
+	log.Debugf("resourceVinsExists: called for ViNS name %s, Account ID %d, RG ID %d",
+		d.Get("name").(string), d.Get("account_id").(int), d.Get("rg_id").(int))
+
+	vinsFacts, err := utilityVinsCheckPresence(d, m)
+	if vinsFacts == "" {
+		if err != nil {
+			return false, err
+		}
+		return false, nil
+	}
+	return true, nil
+}
+
+func resourceVinsSchemaMake() map[string]*schema.Schema {
+	rets := map[string]*schema.Schema{
+		"name": {
+			Type:        schema.TypeString,
+			Required:    true,
+			Description: "Name of the ViNS. Names are case sensitive and unique within the context of an account or resource group.",
+		},
+
+		/* we do not need ViNS ID as an argument because if we already know this ID, it is not practical to call resource provider.
+		   Resource Import will work anyway, as it obtains the ID of ViNS to be imported through another mechanism.
+		"vins_id": {
+			Type:        schema.TypeInt,
+			Optional:    true,
+			Description: "Unique ID of the ViNS. If ViNS ID is specified, then ViNS name, rg_id and account_id are ignored.",
+		},
+		*/
+
+		"rg_id": {
+			Type:        schema.TypeInt,
+			Optional:    true,
+			Description: "ID of the resource group, where this ViNS belongs to. Non-zero for ViNS created at resource group level, 0 otherwise.",
+		},
+
+		"account_id": {
+			Type:        schema.TypeInt,
+			Required:    true,
+			Description: "ID of the account, which this ViNS belongs to. For ViNS created at account level, resource group ID is 0.",
+		},
+
+		"description": {
+			Type:        schema.TypeString,
+			Optional:    true,
+			Default:     "",
+			Description: "Optional user-defined text description of this ViNS.",
+		},
+
+		"ext_net_id": {
+			Type:        schema.TypeInt,
+			Optional:    true,
+			Description: "ID of the external network this ViNS is connected to (set to 0 if no external connection required, -1 to connect to default external network).",
+		},
+
+		"ext_ip_addr": {
+			Type:        schema.TypeString,
+			Optional:    true,
+			Description: "IP address of the external connection (valid for ViNS connected to external network, ignored otherwise).",
+		},
+
+		"ipcidr": {
+			Type:        schema.TypeString,
+			Optional:    true,
+			DiffSuppressFunc: ipcidrDiffSupperss,
+			Description: "Network address to use by this ViNS.",
+		},
+
+		// the rest of attributes are computed
+		"account_name": {
+			Type:        schema.TypeString,
+			Computed:    true,
+			Description: "Name of the account, which this ViNS belongs to.",
+		},
+
+	}
+
+	return rets
+}
+
+func resourceVins() *schema.Resource {
+	return &schema.Resource{
+		SchemaVersion: 1,
+
+		Create: resourceVinsCreate,
+		Read:   resourceVinsRead,
+		Update: resourceVinsUpdate,
+		Delete: resourceVinsDelete,
+		Exists: resourceVinsExists,
+
+		Importer: &schema.ResourceImporter{
+			State: schema.ImportStatePassthrough,
+		},
+
+		Timeouts: &schema.ResourceTimeout{
+			Create:  &Timeout180s,
+			Read:    &Timeout30s,
+			Update:  &Timeout180s,
+			Delete:  &Timeout60s,
+			Default: &Timeout60s,
+		},
+
+		Schema: resourceVinsSchemaMake(),
+	}
+}

decort/utility_vins.go

@@ -28,6 +28,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/url"
+	"strconv"
 
 	log "github.com/sirupsen/logrus"
 
@@ -75,6 +76,34 @@ func utilityVinsCheckPresence(d *schema.ResourceData, m interface{}) (string, er
 	controller := m.(*ControllerCfg)
 	urlValues := &url.Values{}
 
+	// make it possible to use "read" & "check presence" functions with ViNS ID set so
+	// that Import of ViNS resource is possible
+	idSet := false
+	theId, err := strconv.Atoi(d.Id())
+	if err != nil || theId <= 0 {
+		vinsId, argSet := d.GetOk("vins_id") // NB: vins_id is NOT present in vinsResource schema!
+		if argSet {
+			theId = vinsId.(int)
+			idSet = true
+		}
+	} else {
+		idSet = true
+	}
+
+	if idSet {
+		// ViNS ID is specified, try to get compute instance straight by this ID
+		log.Debugf("utilityVinsCheckPresence: locating ViNS by its ID %d", theId)
+		urlValues.Add("vinsId", fmt.Sprintf("%d", theId))
+		vinsFacts, err := controller.decortAPICall("POST", VinsGetAPI, urlValues)
+		if err != nil {
+			return "", err
+		}
+		return vinsFacts, nil
+	}
+
+	// ID was not set in the schema upon entering this function - work through ViNS name
+	// and Account / RG ID
+
 	vinsName, argSet := d.GetOk("name")
 	if !argSet {
 		// if ViNS name is not set. then we cannot locate ViNS
@@ -82,11 +111,11 @@ func utilityVinsCheckPresence(d *schema.ResourceData, m interface{}) (string, er
 	}
 	urlValues.Add("name", vinsName.(string))
 	urlValues.Add("show_all", "false")
-	log.Debugf("utilityVinsCheckPresence: locating ViNS %s", vinsName.(string))
+	log.Debugf("utilityVinsCheckPresence: preparing to locate ViNS name %s", vinsName.(string))
 
 	rgId, rgSet := d.GetOk("rg_id")
 	if rgSet {
-		log.Debugf("utilityVinsCheckPresence: limiting ViNS t search to RG ID %d", rgId.(int))
+		log.Debugf("utilityVinsCheckPresence: limiting ViNS search to RG ID %d", rgId.(int))
 		urlValues.Add("rgId", fmt.Sprintf("%d", rgId.(int)))
 	}
 
@@ -133,5 +162,5 @@ func utilityVinsCheckPresence(d *schema.ResourceData, m interface{}) (string, er
 		}
 	}
 
-	return "", fmt.Errorf("Cannot find ViNS name %s. Check name and/or RG ID & Account ID", vinsName.(string))
+	return "", fmt.Errorf("Cannot find ViNS name %s. Check name and/or RG ID & Account ID and your access rights", vinsName.(string))
 }