Merge pull request #5717 from hashicorp/phinze/fix-rds-cluster-instance-disappears-crash
provider/aws: fix crash when Aurora instance disappears
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commit
65d0707d0a
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@ -899,6 +899,10 @@ func resourceAwsDbInstanceUpdate(d *schema.ResourceData, meta interface{}) error
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return resourceAwsDbInstanceRead(d, meta)
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}
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// resourceAwsDbInstanceRetrieve fetches DBInstance information from the AWS
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// API. It returns an error if there is a communication problem or unexpected
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// error with AWS. When the DBInstance is not found, it returns no error and a
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// nil pointer.
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func resourceAwsDbInstanceRetrieve(
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d *schema.ResourceData, meta interface{}) (*rds.DBInstance, error) {
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conn := meta.(*AWSClient).rdsconn
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@ -123,8 +123,13 @@ func resourceAwsRDSClusterInstanceCreate(d *schema.ResourceData, meta interface{
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func resourceAwsRDSClusterInstanceRead(d *schema.ResourceData, meta interface{}) error {
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db, err := resourceAwsDbInstanceRetrieve(d, meta)
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// Errors from this helper are always reportable
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if err != nil {
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log.Printf("[WARN] Error on retrieving RDS Cluster Instance (%s): %s", d.Id(), err)
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return fmt.Errorf("[WARN] Error on retrieving RDS Cluster Instance (%s): %s", d.Id(), err)
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}
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// A nil response means "not found"
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if db == nil {
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log.Printf("[WARN] RDS Cluster Instance (%s): not found, removing from state.", d.Id())
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d.SetId("")
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return nil
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}
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@ -4,6 +4,7 @@ import (
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"fmt"
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"strings"
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"testing"
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"time"
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"github.com/hashicorp/terraform/helper/acctest"
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"github.com/hashicorp/terraform/helper/resource"
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@ -33,6 +34,28 @@ func TestAccAWSRDSClusterInstance_basic(t *testing.T) {
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})
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}
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// https://github.com/hashicorp/terraform/issues/5350
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func TestAccAWSRDSClusterInstance_disappears(t *testing.T) {
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var v rds.DBInstance
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resource.Test(t, resource.TestCase{
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PreCheck: func() { testAccPreCheck(t) },
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Providers: testAccProviders,
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CheckDestroy: testAccCheckAWSClusterDestroy,
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Steps: []resource.TestStep{
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resource.TestStep{
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Config: testAccAWSClusterInstanceConfig,
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Check: resource.ComposeTestCheckFunc(
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testAccCheckAWSClusterInstanceExists("aws_rds_cluster_instance.cluster_instances", &v),
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testAccAWSClusterInstanceDisappears(&v),
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),
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// A non-empty plan is what we want. A crash is what we don't want. :)
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ExpectNonEmptyPlan: true,
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},
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},
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})
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}
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func testAccCheckAWSClusterInstanceDestroy(s *terraform.State) error {
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for _, rs := range s.RootModule().Resources {
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if rs.Type != "aws_rds_cluster" {
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@ -83,6 +106,34 @@ func testAccCheckAWSDBClusterInstanceAttributes(v *rds.DBInstance) resource.Test
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}
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}
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func testAccAWSClusterInstanceDisappears(v *rds.DBInstance) resource.TestCheckFunc {
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return func(s *terraform.State) error {
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conn := testAccProvider.Meta().(*AWSClient).rdsconn
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opts := &rds.DeleteDBInstanceInput{
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DBInstanceIdentifier: v.DBInstanceIdentifier,
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}
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if _, err := conn.DeleteDBInstance(opts); err != nil {
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return err
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}
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return resource.Retry(40*time.Minute, func() *resource.RetryError {
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opts := &rds.DescribeDBInstancesInput{
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DBInstanceIdentifier: v.DBInstanceIdentifier,
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}
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_, err := conn.DescribeDBInstances(opts)
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if err != nil {
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dbinstanceerr, ok := err.(awserr.Error)
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if ok && dbinstanceerr.Code() == "DBInstanceNotFound" {
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return nil
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}
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return resource.NonRetryableError(
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fmt.Errorf("Error retrieving DB Instances: %s", err))
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}
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return resource.RetryableError(fmt.Errorf(
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"Waiting for instance to be deleted: %v", v.DBInstanceIdentifier))
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})
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}
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}
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func testAccCheckAWSClusterInstanceExists(n string, v *rds.DBInstance) resource.TestCheckFunc {
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return func(s *terraform.State) error {
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rs, ok := s.RootModule().Resources[n]
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