Add support import Autoscaling Lifecycle Hook

aws/resource_aws_autoscaling_lifecycle_hook.go

@@ -20,6 +20,10 @@ func resourceAwsAutoscalingLifecycleHook() *schema.Resource {
 		Update: resourceAwsAutoscalingLifecycleHookPut,
 		Delete: resourceAwsAutoscalingLifecycleHookDelete,
 
+		Importer: &schema.ResourceImporter{
+			State: resourceAwsAutoscalingLifecycleHookImport,
+		},
+
 		Schema: map[string]*schema.Schema{
 			"name": {
 				Type:     schema.TypeString,
@@ -192,3 +196,19 @@ func getAwsAutoscalingLifecycleHook(d *schema.ResourceData, meta interface{}) (*
 	// lifecycle hook not found
 	return nil, nil
 }
+
+func resourceAwsAutoscalingLifecycleHookImport(d *schema.ResourceData, meta interface{}) ([]*schema.ResourceData, error) {
+	idParts := strings.SplitN(d.Id(), "/", 2)
+	if len(idParts) != 2 || idParts[0] == "" || idParts[1] == "" {
+		return nil, fmt.Errorf("unexpected format (%q), expected <asg-name>/<lifecycle-hook-name>", d.Id())
+	}
+
+	asgName := idParts[0]
+	lifecycleHookName := idParts[1]
+
+	d.Set("name", lifecycleHookName)
+	d.Set("autoscaling_group_name", asgName)
+	d.SetId(lifecycleHookName)
+
+	return []*schema.ResourceData{d}, nil
+}

aws/resource_aws_autoscaling_lifecycle_hook_test.go

@@ -29,6 +29,12 @@ func TestAccAWSAutoscalingLifecycleHook_basic(t *testing.T) {
 					resource.TestCheckResourceAttr("aws_autoscaling_lifecycle_hook.foobar", "lifecycle_transition", "autoscaling:EC2_INSTANCE_LAUNCHING"),
 				),
 			},
+			{
+				ResourceName:      "aws_autoscaling_lifecycle_hook.foobar",
+				ImportState:       true,
+				ImportStateIdFunc: testAccAWSAutoscalingLifecycleHookImportStateIdFunc("aws_autoscaling_lifecycle_hook.foobar"),
+				ImportStateVerify: true,
+			},
 		},
 	})
 }
@@ -107,6 +113,17 @@ func testAccCheckAWSAutoscalingLifecycleHookDestroy(s *terraform.State) error {
 	return nil
 }
 
+func testAccAWSAutoscalingLifecycleHookImportStateIdFunc(resourceName string) resource.ImportStateIdFunc {
+	return func(s *terraform.State) (string, error) {
+		rs, ok := s.RootModule().Resources[resourceName]
+		if !ok {
+			return "", fmt.Errorf("Not found: %s", resourceName)
+		}
+
+		return fmt.Sprintf("%s/%s", rs.Primary.Attributes["autoscaling_group_name"], rs.Primary.Attributes["name"]), nil
+	}
+}
+
 func testAccAWSAutoscalingLifecycleHookConfig(name string) string {
 	return fmt.Sprintf(`
 resource "aws_launch_configuration" "foobar" {

website/docs/r/autoscaling_lifecycle_hooks.html.markdown

@@ -68,3 +68,11 @@ The following arguments are supported:
 * `notification_metadata` - (Optional) Contains additional information that you want to include any time Auto Scaling sends a message to the notification target.
 * `notification_target_arn` - (Optional) The ARN of the notification target that Auto Scaling will use to notify you when an instance is in the transition state for the lifecycle hook. This ARN target can be either an SQS queue or an SNS topic.
 * `role_arn` - (Optional) The ARN of the IAM role that allows the Auto Scaling group to publish to the specified notification target.
+
+## Import
+
+AutoScaling Lifecycle Hook can be imported using the role autoscaling_group_name and name separated by `/`.
+
+```
+$ terraform import aws_aws_autoscaling_lifecycle_hook.test-lifecycle-hook asg-name/lifecycle-hook-name
+```