Merge pull request #5717 from hashicorp/phinze/fix-rds-cluster-instance-disappears-crash

provider/aws: fix crash when Aurora instance disappears
This commit is contained in:
Paul Hinze 2016-03-18 13:00:07 -05:00
commit 65d0707d0a
3 changed files with 61 additions and 1 deletions

View File

@ -899,6 +899,10 @@ func resourceAwsDbInstanceUpdate(d *schema.ResourceData, meta interface{}) error
return resourceAwsDbInstanceRead(d, meta)
}
// resourceAwsDbInstanceRetrieve fetches DBInstance information from the AWS
// API. It returns an error if there is a communication problem or unexpected
// error with AWS. When the DBInstance is not found, it returns no error and a
// nil pointer.
func resourceAwsDbInstanceRetrieve(
d *schema.ResourceData, meta interface{}) (*rds.DBInstance, error) {
conn := meta.(*AWSClient).rdsconn

View File

@ -123,8 +123,13 @@ func resourceAwsRDSClusterInstanceCreate(d *schema.ResourceData, meta interface{
func resourceAwsRDSClusterInstanceRead(d *schema.ResourceData, meta interface{}) error {
db, err := resourceAwsDbInstanceRetrieve(d, meta)
// Errors from this helper are always reportable
if err != nil {
log.Printf("[WARN] Error on retrieving RDS Cluster Instance (%s): %s", d.Id(), err)
return fmt.Errorf("[WARN] Error on retrieving RDS Cluster Instance (%s): %s", d.Id(), err)
}
// A nil response means "not found"
if db == nil {
log.Printf("[WARN] RDS Cluster Instance (%s): not found, removing from state.", d.Id())
d.SetId("")
return nil
}

View File

@ -4,6 +4,7 @@ import (
"fmt"
"strings"
"testing"
"time"
"github.com/hashicorp/terraform/helper/acctest"
"github.com/hashicorp/terraform/helper/resource"
@ -33,6 +34,28 @@ func TestAccAWSRDSClusterInstance_basic(t *testing.T) {
})
}
// https://github.com/hashicorp/terraform/issues/5350
func TestAccAWSRDSClusterInstance_disappears(t *testing.T) {
var v rds.DBInstance
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckAWSClusterDestroy,
Steps: []resource.TestStep{
resource.TestStep{
Config: testAccAWSClusterInstanceConfig,
Check: resource.ComposeTestCheckFunc(
testAccCheckAWSClusterInstanceExists("aws_rds_cluster_instance.cluster_instances", &v),
testAccAWSClusterInstanceDisappears(&v),
),
// A non-empty plan is what we want. A crash is what we don't want. :)
ExpectNonEmptyPlan: true,
},
},
})
}
func testAccCheckAWSClusterInstanceDestroy(s *terraform.State) error {
for _, rs := range s.RootModule().Resources {
if rs.Type != "aws_rds_cluster" {
@ -83,6 +106,34 @@ func testAccCheckAWSDBClusterInstanceAttributes(v *rds.DBInstance) resource.Test
}
}
func testAccAWSClusterInstanceDisappears(v *rds.DBInstance) resource.TestCheckFunc {
return func(s *terraform.State) error {
conn := testAccProvider.Meta().(*AWSClient).rdsconn
opts := &rds.DeleteDBInstanceInput{
DBInstanceIdentifier: v.DBInstanceIdentifier,
}
if _, err := conn.DeleteDBInstance(opts); err != nil {
return err
}
return resource.Retry(40*time.Minute, func() *resource.RetryError {
opts := &rds.DescribeDBInstancesInput{
DBInstanceIdentifier: v.DBInstanceIdentifier,
}
_, err := conn.DescribeDBInstances(opts)
if err != nil {
dbinstanceerr, ok := err.(awserr.Error)
if ok && dbinstanceerr.Code() == "DBInstanceNotFound" {
return nil
}
return resource.NonRetryableError(
fmt.Errorf("Error retrieving DB Instances: %s", err))
}
return resource.RetryableError(fmt.Errorf(
"Waiting for instance to be deleted: %v", v.DBInstanceIdentifier))
})
}
}
func testAccCheckAWSClusterInstanceExists(n string, v *rds.DBInstance) resource.TestCheckFunc {
return func(s *terraform.State) error {
rs, ok := s.RootModule().Resources[n]