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Nothing to update in cloudformation should not result in errors.

This commit is contained in:
Kit Ewbank 2017-05-12 19:06:21 -04:00
parent 11e386993b
commit f7b8fe82bc
2 changed files with 60 additions and 26 deletions
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20
builtin/providers/aws/resource_aws_cloudformation_stack.go
View File

@ -398,9 +398,17 @@ func resourceAwsCloudFormationStackUpdate(d *schema.ResourceData, meta interface
}
log.Printf("[DEBUG] Updating CloudFormation stack: %s", input)
stack, err := conn.UpdateStack(input)
_, err := conn.UpdateStack(input)
if err != nil {
return err
awsErr, ok := err.(awserr.Error)
// ValidationError: No updates are to be performed.
if !ok ||
awsErr.Code() != "ValidationError" ||
awsErr.Message() != "No updates are to be performed." {
return err
}
log.Printf("[DEBUG] Current CloudFormation stack has no updates")
}
lastUpdatedTime, err := getLastCfEventTimestamp(d.Id(), conn)
@ -416,6 +424,7 @@ func resourceAwsCloudFormationStackUpdate(d *schema.ResourceData, meta interface
}
}
var lastStatus string
var stackId string
wait := resource.StateChangeConf{
Pending: []string{
"UPDATE_COMPLETE_CLEANUP_IN_PROGRESS",
@ -424,6 +433,7 @@ func resourceAwsCloudFormationStackUpdate(d *schema.ResourceData, meta interface
"UPDATE_ROLLBACK_COMPLETE_CLEANUP_IN_PROGRESS",
},
Target: []string{
"CREATE_COMPLETE", // If no stack update was performed
"UPDATE_COMPLETE",
"UPDATE_ROLLBACK_COMPLETE",
"UPDATE_ROLLBACK_FAILED",
@ -439,6 +449,8 @@ func resourceAwsCloudFormationStackUpdate(d *schema.ResourceData, meta interface
return nil, "", err
}
stackId = aws.StringValue(resp.Stacks[0].StackId)
status := *resp.Stacks[0].StackStatus
lastStatus = status
log.Printf("[DEBUG] Current CloudFormation stack status: %q", status)
@ -453,7 +465,7 @@ func resourceAwsCloudFormationStackUpdate(d *schema.ResourceData, meta interface
}
if lastStatus == "UPDATE_ROLLBACK_COMPLETE" || lastStatus == "UPDATE_ROLLBACK_FAILED" {
reasons, err := getCloudFormationRollbackReasons(*stack.StackId, lastUpdatedTime, conn)
reasons, err := getCloudFormationRollbackReasons(stackId, lastUpdatedTime, conn)
if err != nil {
return fmt.Errorf("Failed getting details about rollback: %q", err.Error())
}
@ -461,7 +473,7 @@ func resourceAwsCloudFormationStackUpdate(d *schema.ResourceData, meta interface
return fmt.Errorf("%s: %q", lastStatus, reasons)
}
log.Printf("[DEBUG] CloudFormation stack %q has been updated", *stack.StackId)
log.Printf("[DEBUG] CloudFormation stack %q has been updated", stackId)
return resourceAwsCloudFormationStackRead(d, meta)
}

66
builtin/providers/aws/resource_aws_cloudformation_stack_test.go
View File

@ -143,6 +143,8 @@ func TestAccAWSCloudFormation_withParams(t *testing.T) {
// Regression for https://github.com/hashicorp/terraform/issues/4534
func TestAccAWSCloudFormation_withUrl_withParams(t *testing.T) {
var stack cloudformation.Stack
cfRandInt := rand.New(rand.NewSource(time.Now().UnixNano())).Int()
cfBucketName := fmt.Sprintf("tf-stack-with-url-and-params-%d", cfRandInt)
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
@ -150,13 +152,13 @@ func TestAccAWSCloudFormation_withUrl_withParams(t *testing.T) {
CheckDestroy: testAccCheckAWSCloudFormationDestroy,
Steps: []resource.TestStep{
{
Config: testAccAWSCloudFormationConfig_templateUrl_withParams,
Config: testAccAWSCloudFormationConfig_templateUrl_withParams(cfBucketName, "tf-cf-stack.json", "11.0.0.0/16"),
Check: resource.ComposeTestCheckFunc(
testAccCheckCloudFormationStackExists("aws_cloudformation_stack.with-url-and-params", &stack),
),
},
{
Config: testAccAWSCloudFormationConfig_templateUrl_withParams_modified,
Config: testAccAWSCloudFormationConfig_templateUrl_withParams(cfBucketName, "tf-cf-stack.json", "13.0.0.0/16"),
Check: resource.ComposeTestCheckFunc(
testAccCheckCloudFormationStackExists("aws_cloudformation_stack.with-url-and-params", &stack),
),
@ -167,6 +169,8 @@ func TestAccAWSCloudFormation_withUrl_withParams(t *testing.T) {
func TestAccAWSCloudFormation_withUrl_withParams_withYaml(t *testing.T) {
var stack cloudformation.Stack
cfRandInt := rand.New(rand.NewSource(time.Now().UnixNano())).Int()
cfBucketName := fmt.Sprintf("tf-stack-with-url-and-params-%d", cfRandInt)
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
@ -174,7 +178,7 @@ func TestAccAWSCloudFormation_withUrl_withParams_withYaml(t *testing.T) {
CheckDestroy: testAccCheckAWSCloudFormationDestroy,
Steps: []resource.TestStep{
{
Config: testAccAWSCloudFormationConfig_templateUrl_withParams_withYaml,
Config: testAccAWSCloudFormationConfig_templateUrl_withParams_withYaml(cfBucketName, "tf-cf-stack.yaml", "13.0.0.0/16"),
Check: resource.ComposeTestCheckFunc(
testAccCheckCloudFormationStackExists("aws_cloudformation_stack.with-url-and-params-and-yaml", &stack),
),
@ -183,6 +187,33 @@ func TestAccAWSCloudFormation_withUrl_withParams_withYaml(t *testing.T) {
})
}
// Test for https://github.com/hashicorp/terraform/issues/5653
func TestAccAWSCloudFormation_withUrl_withParams_noUpdate(t *testing.T) {
var stack cloudformation.Stack
cfRandInt := rand.New(rand.NewSource(time.Now().UnixNano())).Int()
cfBucketName := fmt.Sprintf("tf-stack-with-url-and-params-%d", cfRandInt)
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckAWSCloudFormationDestroy,
Steps: []resource.TestStep{
{
Config: testAccAWSCloudFormationConfig_templateUrl_withParams(cfBucketName, "tf-cf-stack-1.json", "11.0.0.0/16"),
Check: resource.ComposeTestCheckFunc(
testAccCheckCloudFormationStackExists("aws_cloudformation_stack.with-url-and-params", &stack),
),
},
{
Config: testAccAWSCloudFormationConfig_templateUrl_withParams(cfBucketName, "tf-cf-stack-2.json", "11.0.0.0/16"),
Check: resource.ComposeTestCheckFunc(
testAccCheckCloudFormationStackExists("aws_cloudformation_stack.with-url-and-params", &stack),
),
},
},
})
}
func testAccCheckCloudFormationStackExists(n string, stack *cloudformation.Stack) resource.TestCheckFunc {
return func(s *terraform.State) error {
rs, ok := s.RootModule().Resources[n]
@ -490,7 +521,8 @@ var testAccAWSCloudFormationConfig_withParams_modified = fmt.Sprintf(
tpl_testAccAWSCloudFormationConfig_withParams,
"12.0.0.0/16")
var tpl_testAccAWSCloudFormationConfig_templateUrl_withParams = `
func testAccAWSCloudFormationConfig_templateUrl_withParams(bucketName, bucketKey, vpcCidr string) string {
return fmt.Sprintf(`
resource "aws_s3_bucket" "b" {
bucket = "%s"
acl = "public-read"
@ -519,7 +551,7 @@ POLICY
resource "aws_s3_bucket_object" "object" {
bucket = "${aws_s3_bucket.b.id}"
key = "tf-cf-stack.json"
key = "%s"
source = "test-fixtures/cloudformation-template.json"
}
@ -532,9 +564,11 @@ resource "aws_cloudformation_stack" "with-url-and-params" {
on_failure = "DELETE"
timeout_in_minutes = 1
}
`
`, bucketName, bucketName, bucketKey, vpcCidr)
}
var tpl_testAccAWSCloudFormationConfig_templateUrl_withParams_withYaml = `
func testAccAWSCloudFormationConfig_templateUrl_withParams_withYaml(bucketName, bucketKey, vpcCidr string) string {
return fmt.Sprintf(`
resource "aws_s3_bucket" "b" {
bucket = "%s"
acl = "public-read"
@ -563,7 +597,7 @@ POLICY
resource "aws_s3_bucket_object" "object" {
bucket = "${aws_s3_bucket.b.id}"
key = "tf-cf-stack.yaml"
key = "%s"
source = "test-fixtures/cloudformation-template.yaml"
}
@ -576,17 +610,5 @@ resource "aws_cloudformation_stack" "with-url-and-params-and-yaml" {
on_failure = "DELETE"
timeout_in_minutes = 1
}
`
var cfRandInt = rand.New(rand.NewSource(time.Now().UnixNano())).Int()
var cfBucketName = "tf-stack-with-url-and-params-" + fmt.Sprintf("%d", cfRandInt)
var testAccAWSCloudFormationConfig_templateUrl_withParams = fmt.Sprintf(
tpl_testAccAWSCloudFormationConfig_templateUrl_withParams,
cfBucketName, cfBucketName, "11.0.0.0/16")
var testAccAWSCloudFormationConfig_templateUrl_withParams_modified = fmt.Sprintf(
tpl_testAccAWSCloudFormationConfig_templateUrl_withParams,
cfBucketName, cfBucketName, "13.0.0.0/16")
var testAccAWSCloudFormationConfig_templateUrl_withParams_withYaml = fmt.Sprintf(
tpl_testAccAWSCloudFormationConfig_templateUrl_withParams_withYaml,
cfBucketName, cfBucketName, "13.0.0.0/16")
`, bucketName, bucketName, bucketKey, vpcCidr)
}