Add code for ViNS data source provider, phase 1

decort/data_source_vins.go

@@ -0,0 +1,149 @@
+/*
+Copyright (c) 2020-2021 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"
+
+	log "github.com/sirupsen/logrus"
+
+	// "net/url"
+
+	"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
+	// "github.com/hashicorp/terraform-plugin-sdk/helper/validation"
+)
+
+// vins_facts is a response string from API vins/get
+func flattenVins(d *schema.ResourceData, vins_facts string) error {
+	// NOTE: this function modifies ResourceData argument - as such it should never be called
+	// from resourceVinsExists(...) method
+	log.Debugf("flattenVins: ready to decode response body from API")
+	details := VinsGetResp{}
+	err := json.Unmarshal([]byte(vins_facts), &details)
+	if err != nil {
+		return err
+	}
+
+	log.Debugf("flattenVins: decoded ViNS name:ID %s:%d, account ID %d, RG ID %d",
+		details.Name, details.ID, details.AccountID, details.RgID)
+
+	d.SetId(fmt.Sprintf("%d", details.ID))
+	d.Set("rg_id", details.ID)
+	d.Set("name", details.Name)
+	d.Set("account_name", details.AccountName)
+	d.Set("account_id", details.AccountID)
+	d.Set("grid_id", details.GridID)
+	d.Set("description", details.Desc)
+	d.Set("status", details.Status)
+	d.Set("def_net_type", details.DefaultNetType)
+	d.Set("def_net_id", details.DefaultNetID)
+
+	return nil
+}
+
+func dataSourceVinsRead(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 in this case
+		return err
+	}
+
+	return flattenVins(d, vinsFacts)
+}
+
+func dataSourceVins() *schema.Resource {
+	return &schema.Resource{
+		SchemaVersion: 1,
+
+		Read: dataSourceVinsRead,
+
+		Timeouts: &schema.ResourceTimeout{
+			Read:    &Timeout30s,
+			Default: &Timeout60s,
+		},
+
+		Schema: map[string]*schema.Schema{
+			"name": {
+				Type:        schema.TypeString,
+				Optional:    true,
+				Description: "Name of the ViNS. Names are case sensitive and unique within the context of an account or resource group.",
+			},
+
+			/*
+			"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: "Unique ID of the resource group, where this ViNS is belongs to (for ViNS created at resource group level, 0 otherwise).",
+			},
+
+			"account_id": {
+				Type:        schema.TypeInt,
+				Optional:    true,
+				Description: "Unique ID of the account, which this ViNS belongs to.",
+			},
+
+			// the rest of attributes are computed
+			"account_name": {
+				Type:        schema.TypeString,
+				Computed:    true,
+				Description: "Name of the account, which this ViNS belongs to.",
+			},
+
+			"description": {
+				Type:        schema.TypeString,
+				Computed:    true,
+				Description: "User-defined text description of this ViNS.",
+			},
+
+			"ext_ip_addr": {
+				Type:        schema.TypeString,
+				Computed:    true,
+				Description: "IP address of the external connection (valid for ViNS connected to external network, empty string otherwise).",
+			},
+
+			"ext_net_id": {
+				Type:        schema.TypeInt,
+				Computed:    true,
+				Description: "ID of the external network this ViNS is connected to (-1 means no external connection).",
+			},
+
+			"ipcidr": {
+				Type:        schema.TypeString,
+				Computed:    true,
+				Description: "Network address used by this ViNS."
+			},
+		},
+	}
+}