Made instances deployable on already existing services.

builtin/providers/azure/provider_test.go

@@ -11,7 +11,10 @@ import (
 var testAccProviders map[string]terraform.ResourceProvider
 var testAccProvider *schema.Provider
 
-const testAccSecurityGroupName = "terraform-security-group"
+const (
+	testAccSecurityGroupName = "terraform-security-group"
+	testAccHostedServiceName = "terraform-testing-service"
+)
 
 // testAccStorageServiceName is used as the name for the Storage Service
 // created in all storage-related tests.

builtin/providers/azure/resource_azure_instance.go

@@ -37,6 +37,13 @@ func resourceAzureInstance() *schema.Resource {
 				ForceNew: true,
 			},
 
+			"hosted_service_name": &schema.Schema{
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+				ForceNew: true,
+			},
+
 			"description": &schema.Schema{
 				Type:     schema.TypeString,
 				Optional: true,
@@ -197,8 +204,15 @@ func resourceAzureInstanceCreate(d *schema.ResourceData, meta interface{}) (err
 		return err
 	}
 
+	var hostedServiceName string
+	// check if hosted service name parameter was given:
+	if serviceName, ok := d.GetOk("hosted_service_name"); !ok {
+		// if not provided; just use the name of the instance to create a new one:
+		hostedServiceName = name
+		d.Set("hosted_service_name", hostedServiceName)
+
 		p := hostedservice.CreateHostedServiceParameters{
-		ServiceName:    name,
+			ServiceName:    hostedServiceName,
 			Label:          base64.StdEncoding.EncodeToString([]byte(name)),
 			Description:    fmt.Sprintf("Cloud Service created automatically for instance %s", name),
 			Location:       d.Get("location").(string),
@@ -210,24 +224,11 @@ func resourceAzureInstanceCreate(d *schema.ResourceData, meta interface{}) (err
 		if err != nil {
 			return fmt.Errorf("Error creating Cloud Service for instance %s: %s", name, err)
 		}
-
+	} else {
-	// Put in this defer here, so we are sure to cleanup already created parts
+		// else; use the provided hosted service name:
-	// when we exit with an error
+		hostedServiceName = serviceName.(string)
-	defer func(mc management.Client) {
-		if err != nil {
-			req, err := hostedServiceClient.DeleteHostedService(name, true)
-			if err != nil {
-				log.Printf("[DEBUG] Error cleaning up Cloud Service of instance %s: %s", name, err)
 	}
 
-			// Wait until the Cloud Service is deleted
-			if err := mc.WaitForOperation(req, nil); err != nil {
-				log.Printf(
-					"[DEBUG] Error waiting for Cloud Service of instance %s to be deleted: %s", name, err)
-			}
-		}
-	}(mc)
-
 	// Create a new role for the instance
 	role := vmutils.NewVMConfiguration(name, d.Get("size").(string))
 
@@ -312,7 +313,7 @@ func resourceAzureInstanceCreate(d *schema.ResourceData, meta interface{}) (err
 	}
 
 	log.Printf("[DEBUG] Creating the new instance...")
-	req, err := vmClient.CreateDeployment(role, name, options)
+	req, err := vmClient.CreateDeployment(role, hostedServiceName, options)
 	if err != nil {
 		return fmt.Errorf("Error creating instance %s: %s", name, err)
 	}
@@ -333,28 +334,41 @@ func resourceAzureInstanceRead(d *schema.ResourceData, meta interface{}) error {
 	hostedServiceClient := azureClient.hostedServiceClient
 	vmClient := azureClient.vmClient
 
-	log.Printf("[DEBUG] Retrieving Cloud Service for instance: %s", d.Id())
+	name := d.Get("name").(string)
-	cs, err := hostedServiceClient.GetHostedService(d.Id())
+
+	// check if the instance belongs to an independent hosted service
+	// or it had one created for it.
+	var hostedServiceName string
+	if serviceName, ok := d.GetOk("hosted_service_name"); ok {
+		// if independent; use that hosted service name:
+		hostedServiceName = serviceName.(string)
+	} else {
+		// else; suppose it's the instance's name:
+		hostedServiceName = name
+	}
+
+	log.Printf("[DEBUG] Retrieving Cloud Service for instance: %s", name)
+	cs, err := hostedServiceClient.GetHostedService(hostedServiceName)
 	if err != nil {
-		return fmt.Errorf("Error retrieving Cloud Service of instance %s: %s", d.Id(), err)
+		return fmt.Errorf("Error retrieving Cloud Service of instance %s (%q): %s", name, hostedServiceName, err)
 	}
 
 	d.Set("reverse_dns", cs.ReverseDNSFqdn)
 	d.Set("location", cs.Location)
 
-	log.Printf("[DEBUG] Retrieving instance: %s", d.Id())
+	log.Printf("[DEBUG] Retrieving instance: %s", name)
-	dpmt, err := vmClient.GetDeployment(d.Id(), d.Id())
+	dpmt, err := vmClient.GetDeployment(hostedServiceName, name)
 	if err != nil {
 		if management.IsResourceNotFoundError(err) {
 			d.SetId("")
 			return nil
 		}
-		return fmt.Errorf("Error retrieving instance %s: %s", d.Id(), err)
+		return fmt.Errorf("Error retrieving instance %s: %s", name, err)
 	}
 
 	if len(dpmt.RoleList) != 1 {
 		return fmt.Errorf(
-			"Instance %s has an unexpected number of roles: %d", d.Id(), len(dpmt.RoleList))
+			"Instance %s has an unexpected number of roles: %d", name, len(dpmt.RoleList))
 	}
 
 	d.Set("size", dpmt.RoleList[0].RoleSize)
@@ -362,7 +376,7 @@ func resourceAzureInstanceRead(d *schema.ResourceData, meta interface{}) error {
 	if len(dpmt.RoleInstanceList) != 1 {
 		return fmt.Errorf(
 			"Instance %s has an unexpected number of role instances: %d",
-			d.Id(), len(dpmt.RoleInstanceList))
+			name, len(dpmt.RoleInstanceList))
 	}
 	d.Set("ip_address", dpmt.RoleInstanceList[0].IPAddress)
 
@@ -400,7 +414,7 @@ func resourceAzureInstanceRead(d *schema.ResourceData, meta interface{}) error {
 			default:
 				return fmt.Errorf(
 					"Instance %s has an unexpected number of associated subnets %d",
-					d.Id(), len(dpmt.RoleInstanceList))
+					name, len(dpmt.RoleInstanceList))
 			}
 
 			// Update the security group
@@ -434,10 +448,13 @@ func resourceAzureInstanceUpdate(d *schema.ResourceData, meta interface{}) error
 		return nil
 	}
 
+	name := d.Get("name").(string)
+	hostedServiceName := d.Get("hosted_service_name").(string)
+
 	// Get the current role
-	role, err := vmClient.GetRole(d.Id(), d.Id(), d.Id())
+	role, err := vmClient.GetRole(hostedServiceName, name, name)
 	if err != nil {
-		return fmt.Errorf("Error retrieving role of instance %s: %s", d.Id(), err)
+		return fmt.Errorf("Error retrieving role of instance %s: %s", name, err)
 	}
 
 	// Verify if we have all required parameters
@@ -473,7 +490,7 @@ func resourceAzureInstanceUpdate(d *schema.ResourceData, meta interface{}) error
 				)
 				if err != nil {
 					return fmt.Errorf(
-						"Error adding endpoint %s for instance %s: %s", m["name"].(string), d.Id(), err)
+						"Error adding endpoint %s for instance %s: %s", m["name"].(string), name, err)
 				}
 			}
 		}
@@ -484,19 +501,19 @@ func resourceAzureInstanceUpdate(d *schema.ResourceData, meta interface{}) error
 		err := vmutils.ConfigureWithSecurityGroup(role, sg)
 		if err != nil {
 			return fmt.Errorf(
-				"Error associating security group %s with instance %s: %s", sg, d.Id(), err)
+				"Error associating security group %s with instance %s: %s", sg, name, err)
 		}
 	}
 
 	// Update the adjusted role
-	req, err := vmClient.UpdateRole(d.Id(), d.Id(), d.Id(), *role)
+	req, err := vmClient.UpdateRole(hostedServiceName, name, name, *role)
 	if err != nil {
-		return fmt.Errorf("Error updating role of instance %s: %s", d.Id(), err)
+		return fmt.Errorf("Error updating role of instance %s: %s", name, err)
 	}
 
 	if err := mc.WaitForOperation(req, nil); err != nil {
 		return fmt.Errorf(
-			"Error waiting for role of instance %s to be updated: %s", d.Id(), err)
+			"Error waiting for role of instance %s to be updated: %s", name, err)
 	}
 
 	return resourceAzureInstanceRead(d, meta)
@@ -505,21 +522,40 @@ func resourceAzureInstanceUpdate(d *schema.ResourceData, meta interface{}) error
 func resourceAzureInstanceDelete(d *schema.ResourceData, meta interface{}) error {
 	azureClient := meta.(*Client)
 	mc := azureClient.mgmtClient
+	vmClient := azureClient.vmClient
 	hostedServiceClient := azureClient.hostedServiceClient
 
-	log.Printf("[DEBUG] Deleting instance: %s", d.Id())
+	name := d.Get("name").(string)
-	req, err := hostedServiceClient.DeleteHostedService(d.Id(), true)
+	hostedServiceName := d.Get("hosted_service_name").(string)
+
+	log.Printf("[DEBUG] Deleting instance: %s", name)
+
+	// check if the instance had a hosted service created especially for it:
+	if name == hostedServiceName {
+		// if so; we must delete the associated hosted service as well:
+		req, err := hostedServiceClient.DeleteHostedService(name, true)
 		if err != nil {
-		return fmt.Errorf("Error deleting instance %s: %s", d.Id(), err)
+			return fmt.Errorf("Error deleting instance and hosted service %s: %s", name, err)
 		}
 
-	// Wait until the instance is deleted
+		// Wait until the hosted service and the instance it contains is deleted:
 		if err := mc.WaitForOperation(req, nil); err != nil {
 			return fmt.Errorf(
-			"Error waiting for instance %s to be deleted: %s", d.Id(), err)
+				"Error waiting for instance %s to be deleted: %s", name, err)
+		}
+	} else {
+		// else; just delete the instance:
+		reqID, err := vmClient.DeleteDeployment(hostedServiceName, name)
+		if err != nil {
+			return fmt.Errorf("Error deleting instance %s off hosted service %s: %s", name, hostedServiceName, err)
 		}
 
-	d.SetId("")
+		// and wait for the deletion:
+		if err := mc.WaitForOperation(reqID, nil); err != nil {
+			return fmt.Errorf("Error waiting for intance %s to be deleted off the hosted service %s: %s",
+				name, hostedServiceName, err)
+		}
+	}
 
 	return nil
 }

builtin/providers/azure/resource_azure_instance_test.go

@@ -16,16 +16,46 @@ func TestAccAzureInstance_basic(t *testing.T) {
 	resource.Test(t, resource.TestCase{
 		PreCheck:     func() { testAccPreCheck(t) },
 		Providers:    testAccProviders,
-		CheckDestroy: testAccCheckAzureInstanceDestroy,
+		CheckDestroy: testAccCheckAzureInstanceDestroyed(""),
 		Steps: []resource.TestStep{
 			resource.TestStep{
 				Config: testAccAzureInstance_basic,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAzureInstanceExists(
-						"azure_instance.foo", &dpmt),
+						"azure_instance.foo", "", &dpmt),
 					testAccCheckAzureInstanceBasicAttributes(&dpmt),
 					resource.TestCheckResourceAttr(
 						"azure_instance.foo", "name", "terraform-test"),
+					resource.TestCheckResourceAttr(
+						"azure_instance.foo", "hosted_service_name", "terraform-test"),
+					resource.TestCheckResourceAttr(
+						"azure_instance.foo", "location", "West US"),
+					resource.TestCheckResourceAttr(
+						"azure_instance.foo", "endpoint.2462817782.public_port", "22"),
+				),
+			},
+		},
+	})
+}
+
+func TestAccAzureInstance_separateHostedService(t *testing.T) {
+	var dpmt virtualmachine.DeploymentResponse
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: testAccCheckAzureInstanceDestroyed(testAccHostedServiceName),
+		Steps: []resource.TestStep{
+			resource.TestStep{
+				Config: testAccAzureInstance_seperateHostedService,
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckAzureInstanceExists(
+						"azure_instance.foo", testAccHostedServiceName, &dpmt),
+					testAccCheckAzureInstanceBasicAttributes(&dpmt),
+					resource.TestCheckResourceAttr(
+						"azure_instance.foo", "name", "terraform-test"),
+					resource.TestCheckResourceAttr(
+						"azure_instance.foo", "hosted_service_name", "terraform-testing-service"),
 					resource.TestCheckResourceAttr(
 						"azure_instance.foo", "location", "West US"),
 					resource.TestCheckResourceAttr(
@@ -42,16 +72,18 @@ func TestAccAzureInstance_advanced(t *testing.T) {
 	resource.Test(t, resource.TestCase{
 		PreCheck:     func() { testAccPreCheck(t) },
 		Providers:    testAccProviders,
-		CheckDestroy: testAccCheckAzureInstanceDestroy,
+		CheckDestroy: testAccCheckAzureInstanceDestroyed(""),
 		Steps: []resource.TestStep{
 			resource.TestStep{
 				Config: testAccAzureInstance_advanced,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAzureInstanceExists(
-						"azure_instance.foo", &dpmt),
+						"azure_instance.foo", "", &dpmt),
 					testAccCheckAzureInstanceAdvancedAttributes(&dpmt),
 					resource.TestCheckResourceAttr(
 						"azure_instance.foo", "name", "terraform-test1"),
+					resource.TestCheckResourceAttr(
+						"azure_instance.foo", "hosted_service_name", "terraform-test1"),
 					resource.TestCheckResourceAttr(
 						"azure_instance.foo", "size", "Basic_A1"),
 					resource.TestCheckResourceAttr(
@@ -74,16 +106,18 @@ func TestAccAzureInstance_update(t *testing.T) {
 	resource.Test(t, resource.TestCase{
 		PreCheck:     func() { testAccPreCheck(t) },
 		Providers:    testAccProviders,
-		CheckDestroy: testAccCheckAzureInstanceDestroy,
+		CheckDestroy: testAccCheckAzureInstanceDestroyed(""),
 		Steps: []resource.TestStep{
 			resource.TestStep{
 				Config: testAccAzureInstance_advanced,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAzureInstanceExists(
-						"azure_instance.foo", &dpmt),
+						"azure_instance.foo", "", &dpmt),
 					testAccCheckAzureInstanceAdvancedAttributes(&dpmt),
 					resource.TestCheckResourceAttr(
 						"azure_instance.foo", "name", "terraform-test1"),
+					resource.TestCheckResourceAttr(
+						"azure_instance.foo", "hosted_service_name", "terraform-test1"),
 					resource.TestCheckResourceAttr(
 						"azure_instance.foo", "size", "Basic_A1"),
 					resource.TestCheckResourceAttr(
@@ -101,7 +135,7 @@ func TestAccAzureInstance_update(t *testing.T) {
 				Config: testAccAzureInstance_update,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAzureInstanceExists(
-						"azure_instance.foo", &dpmt),
+						"azure_instance.foo", "", &dpmt),
 					testAccCheckAzureInstanceUpdatedAttributes(&dpmt),
 					resource.TestCheckResourceAttr(
 						"azure_instance.foo", "size", "Basic_A2"),
@@ -119,6 +153,7 @@ func TestAccAzureInstance_update(t *testing.T) {
 
 func testAccCheckAzureInstanceExists(
 	n string,
+	hostedServiceName string,
 	dpmt *virtualmachine.DeploymentResponse) resource.TestCheckFunc {
 	return func(s *terraform.State) error {
 		rs, ok := s.RootModule().Resources[n]
@@ -130,8 +165,17 @@ func testAccCheckAzureInstanceExists(
 			return fmt.Errorf("No instance ID is set")
 		}
 
+		// if not hosted service was provided; it means that we expect it
+		// to be identical with the name of the instance; which is in the ID.
+		var serviceName string
+		if hostedServiceName == "" {
+			serviceName = rs.Primary.ID
+		} else {
+			serviceName = hostedServiceName
+		}
+
 		vmClient := testAccProvider.Meta().(*Client).vmClient
-		vm, err := vmClient.GetDeployment(rs.Primary.ID, rs.Primary.ID)
+		vm, err := vmClient.GetDeployment(serviceName, rs.Primary.ID)
 		if err != nil {
 			return err
 		}
@@ -281,7 +325,8 @@ func testAccCheckAzureInstanceUpdatedAttributes(
 	}
 }
 
-func testAccCheckAzureInstanceDestroy(s *terraform.State) error {
+func testAccCheckAzureInstanceDestroyed(hostedServiceName string) resource.TestCheckFunc {
+	return func(s *terraform.State) error {
 		hostedServiceClient := testAccProvider.Meta().(*Client).hostedServiceClient
 
 		for _, rs := range s.RootModule().Resources {
@@ -293,7 +338,16 @@ func testAccCheckAzureInstanceDestroy(s *terraform.State) error {
 				return fmt.Errorf("No instance ID is set")
 			}
 
-		_, err := hostedServiceClient.GetHostedService(rs.Primary.ID)
+			// if not hosted service was provided; it means that we expect it
+			// to be identical with the name of the instance; which is in the ID.
+			var serviceName string
+			if hostedServiceName == "" {
+				serviceName = rs.Primary.ID
+			} else {
+				serviceName = hostedServiceName
+			}
+
+			_, err := hostedServiceClient.GetHostedService(serviceName)
 			if err == nil {
 				return fmt.Errorf("Instance %s still exists", rs.Primary.ID)
 			}
@@ -304,6 +358,7 @@ func testAccCheckAzureInstanceDestroy(s *terraform.State) error {
 		}
 
 		return nil
+	}
 }
 
 var testAccAzureInstance_basic = fmt.Sprintf(`
@@ -324,6 +379,31 @@ resource "azure_instance" "foo" {
     }
 }`, testAccStorageServiceName)
 
+var testAccAzureInstance_seperateHostedService = fmt.Sprintf(`
+resource "azure_hosted_service" "foo" {
+	name = "%s"
+	location = "West US"
+	ephemeral_contents = true
+}
+
+resource "azure_instance" "foo" {
+    name = "terraform-test"
+	hosted_service_name = "${azure_hosted_service.foo.name}"
+    image = "Ubuntu Server 14.04 LTS"
+    size = "Basic_A1"
+    storage_service_name = "%s"
+    location = "West US"
+    username = "terraform"
+    password = "Pass!admin123"
+
+    endpoint {
+        name = "SSH"
+        protocol = "tcp"
+        public_port = 22
+        private_port = 22
+    }
+}`, testAccHostedServiceName, testAccStorageServiceName)
+
 var testAccAzureInstance_advanced = fmt.Sprintf(`
 resource "azure_virtual_network" "foo" {
     name = "terraform-vnet"

website/source/docs/providers/azure/r/instance.html.markdown

@@ -14,8 +14,17 @@ machine in the deployment based on the specified configuration.
 ## Example Usage
 
 ```
+resource "azure_hosted_service" "terraform-service" {
+    name = "terraform-service"
+    location = "North Europe"
+    ephemeral_contents = false
+    description = "Hosted service created by Terraform."
+    label = "tf-hs-01"
+}
+
 resource "azure_instance" "web" {
     name = "terraform-test"
+    hosted_service_name = "${azure_hosted_service.terraform-service.name}"
     image = "Ubuntu Server 14.04 LTS"
     size = "Basic_A1"
     storage_service_name = "yourstorage"
@@ -39,6 +48,11 @@ The following arguments are supported:
 * `name` - (Required) The name of the instance. Changing this forces a new
     resource to be created.
 
+* `hosted_service_name` - (Optional) The name of the hosted service the
+    instance should be deployed under. If not provided; it will default to the
+    value of `name`. Changes to this parameter forces the creation of a new
+    resource.
+
 * `description` - (Optional) The description for the associated hosted service.
     Changing this forces a new resource to be created (defaults to the instance
     name).