virtual_machine_scale_set_data_source.go

package compute

import (
	"fmt"
	"time"

	"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
	"github.com/hashicorp/terraform-plugin-sdk/helper/validation"
	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/helpers/azure"
	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/clients"
	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/timeouts"
	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/utils"
)

func dataSourceArmVirtualMachineScaleSet() *schema.Resource {
	return &schema.Resource{
		Read: dataSourceArmVirtualMachineScaleSetRead,

		Timeouts: &schema.ResourceTimeout{
			Read: schema.DefaultTimeout(5 * time.Minute),
		},

		Schema: map[string]*schema.Schema{
			"name": {
				Type:         schema.TypeString,
				Required:     true,
				ValidateFunc: validation.NoZeroValues,
			},

			"resource_group_name": azure.SchemaResourceGroupNameForDataSource(),

			"location": azure.SchemaLocationForDataSource(),

			"identity": {
				Type:     schema.TypeList,
				Computed: true,
				Elem: &schema.Resource{
					Schema: map[string]*schema.Schema{
						"type": {
							Type:     schema.TypeString,
							Computed: true,
						},

						"identity_ids": {
							Type:     schema.TypeList,
							Computed: true,
							Elem: &schema.Schema{
								Type: schema.TypeString,
							},
						},

						"principal_id": {
							Type:     schema.TypeString,
							Computed: true,
						},
					},
				},
			},
		},
	}
}

func dataSourceArmVirtualMachineScaleSetRead(d *schema.ResourceData, meta interface{}) error {
	client := meta.(*clients.Client).Compute.VMScaleSetClient
	ctx, cancel := timeouts.ForRead(meta.(*clients.Client).StopContext, d)
	defer cancel()

	resGroup := d.Get("resource_group_name").(string)
	name := d.Get("name").(string)

	resp, err := client.Get(ctx, resGroup, name)
	if err != nil {
		if utils.ResponseWasNotFound(resp.Response) {
			return fmt.Errorf("Error: Virtual Machine Scale Set %q (Resource Group %q) was not found", name, resGroup)
		}

		return fmt.Errorf("Error making Read request on Virtual Machine Scale Set %q (Resource Group %q): %+v", name, resGroup, err)
	}

	if resp.ID == nil || *resp.ID == "" {
		return fmt.Errorf("Error reading Virtual Machine Scale Set %q (Resource Group %q): ID is empty or nil", name, resGroup)
	}
	d.SetId(*resp.ID)

	if err := d.Set("identity", FlattenVirtualMachineScaleSetIdentity(resp.Identity)); err != nil {
		return fmt.Errorf("setting `identity`: %+v", err)
	}

	return nil
}