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r/user_pool_domain - remove from state when deleted + move waiters to their own package #14732

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merged 4 commits into from
Aug 19, 2020
Merged

r/user_pool_domain - remove from state when deleted + move waiters to their own package #14732

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59a1476
move cognito waiter to their own package
DrFaust92 Aug 19, 2020
edf495f
lint
DrFaust92 Aug 19, 2020
4ea0ddb
lint
DrFaust92 Aug 19, 2020
31b2f01
remove min timout
DrFaust92 Aug 19, 2020
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33 changes: 33 additions & 0 deletions aws/internal/service/cognitoidentityprovider/waiter/status.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,33 @@
package waiter

import (
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/cognitoidentityprovider"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
)

const (
userPoolDomainStatusNotFound = "NotFound"
userPoolDomainStatusUnknown = "Unknown"
)

// UserPoolDomainStatus fetches the Operation and its Status
func UserPoolDomainStatus(conn *cognitoidentityprovider.CognitoIdentityProvider, domain string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
input := &cognitoidentityprovider.DescribeUserPoolDomainInput{
Domain: aws.String(domain),
}

output, err := conn.DescribeUserPoolDomain(input)

if err != nil {
return nil, userPoolDomainStatusUnknown, err
}

if output == nil {
return nil, userPoolDomainStatusNotFound, nil
}

return output, aws.StringValue(output.DomainDescription.Status), nil
}
}
56 changes: 56 additions & 0 deletions aws/internal/service/cognitoidentityprovider/waiter/waiter.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,56 @@
package waiter

import (
"time"

"github.com/aws/aws-sdk-go/service/cognitoidentityprovider"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
)

const (
// Maximum amount of time to wait for an Operation to return Success
UserPoolDomainDeleteTimeout = 1 * time.Minute
)

// UserPoolDomainDeleted waits for an Operation to return Success
func UserPoolDomainDeleted(conn *cognitoidentityprovider.CognitoIdentityProvider, domain string) (*cognitoidentityprovider.DescribeUserPoolDomainOutput, error) {
stateConf := &resource.StateChangeConf{
Pending: []string{
cognitoidentityprovider.DomainStatusTypeUpdating,
cognitoidentityprovider.DomainStatusTypeDeleting,
},
Target: []string{""},
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@ewbankkit ewbankkit Aug 19, 2020 •
edited
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I think the "correct" way to do this is Target: []string{},:

https://github.com/terraform-providers/terraform-provider-aws/blob/691d0645ceed9453a8fc77a88e7fb0fce29b1ad3/vendor/github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource/state.go#L122-L131

This code runs when the StateRefreshFunc returns nil, "anything", nil

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this failed for me

        Error: error waiting for User Pool Domain (tf-acc-test-domain-3112558782247577448) deletion: unexpected state '', wanted target ''. last error: %!s(<nil>)

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@ewbankkit ewbankkit Aug 19, 2020 •
edited
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Hmm, I guess the AWS API may be returning a non-null response but the status is "".
Target: []string{""}, must be required.

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Yes, that's what's happening here:

2020/08/19 10:14:59 [DEBUG] [aws-sdk-go] DEBUG: Response cognito-idp/DescribeUserPoolDomain Details:
---[ RESPONSE ]--------------------------------------
HTTP/1.1 200 OK
Connection: close
Content-Length: 24
Content-Type: application/x-amz-json-1.1
Date: Wed, 19 Aug 2020 14:14:59 GMT
X-Amzn-Requestid: abe5941d-5d1e-4153-a926-84cfbfce7f91


-----------------------------------------------------
2020/08/19 10:14:59 [DEBUG] [aws-sdk-go] {"DomainDescription":{}}

Refresh: UserPoolDomainStatus(conn, domain),
Timeout: UserPoolDomainDeleteTimeout,
}

outputRaw, err := stateConf.WaitForState()

if output, ok := outputRaw.(*cognitoidentityprovider.DescribeUserPoolDomainOutput); ok {
return output, err
}

return nil, err
}

func UserPoolDomainCreated(conn *cognitoidentityprovider.CognitoIdentityProvider, domain string, timeout time.Duration) (*cognitoidentityprovider.DescribeUserPoolDomainOutput, error) {
stateConf := &resource.StateChangeConf{
Pending: []string{
cognitoidentityprovider.DomainStatusTypeCreating,
cognitoidentityprovider.DomainStatusTypeUpdating,
},
Target: []string{
cognitoidentityprovider.DomainStatusTypeActive,
},
Refresh: UserPoolDomainStatus(conn, domain),
Timeout: timeout,
}

outputRaw, err := stateConf.WaitForState()

if output, ok := outputRaw.(*cognitoidentityprovider.DescribeUserPoolDomainOutput); ok {
return output, err
}

return nil, err
}
77 changes: 20 additions & 57 deletions aws/resource_aws_cognito_user_pool_domain.go
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Original file line number Diff line number Diff line change
Expand Up @@ -7,9 +7,9 @@ import (

"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/cognitoidentityprovider"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/validation"
"github.com/terraform-providers/terraform-provider-aws/aws/internal/service/cognitoidentityprovider/waiter"
)

func resourceAwsCognitoUserPoolDomain() *schema.Resource {
Expand Down Expand Up @@ -83,37 +83,13 @@ func resourceAwsCognitoUserPoolDomainCreate(d *schema.ResourceData, meta interfa

_, err := conn.CreateUserPoolDomain(params)
if err != nil {
return fmt.Errorf("Error creating Cognito User Pool Domain: %s", err)
return fmt.Errorf("Error creating Cognito User Pool Domain: %w", err)
}

d.SetId(domain)

stateConf := resource.StateChangeConf{
Pending: []string{
cognitoidentityprovider.DomainStatusTypeCreating,
cognitoidentityprovider.DomainStatusTypeUpdating,
},
Target: []string{
cognitoidentityprovider.DomainStatusTypeActive,
},
MinTimeout: 1 * time.Minute,
Timeout: timeout,
Refresh: func() (interface{}, string, error) {
domain, err := conn.DescribeUserPoolDomain(&cognitoidentityprovider.DescribeUserPoolDomainInput{
Domain: aws.String(d.Get("domain").(string)),
})
if err != nil {
return 42, "", err
}

desc := domain.DomainDescription

return domain, *desc.Status, nil
},
}
_, err = stateConf.WaitForState()
if err != nil {
return err
if _, err := waiter.UserPoolDomainCreated(conn, d.Id(), timeout); err != nil {
return fmt.Errorf("error waiting for User Pool Domain (%s) creation: %w", d.Id(), err)
}

return resourceAwsCognitoUserPoolDomainRead(d, meta)
Expand All @@ -127,7 +103,7 @@ func resourceAwsCognitoUserPoolDomainRead(d *schema.ResourceData, meta interface
Domain: aws.String(d.Id()),
})
if err != nil {
if isAWSErr(err, "ResourceNotFoundException", "") {
if isAWSErr(err, cognitoidentityprovider.ErrCodeResourceNotFoundException, "") {
log.Printf("[WARN] Cognito User Pool Domain %q not found, removing from state", d.Id())
d.SetId("")
return nil
Expand All @@ -137,6 +113,12 @@ func resourceAwsCognitoUserPoolDomainRead(d *schema.ResourceData, meta interface

desc := domain.DomainDescription

if desc.Status == nil {
log.Printf("[WARN] Cognito User Pool Domain %q not found, removing from state", d.Id())
d.SetId("")
return nil
}

d.Set("domain", d.Id())
d.Set("certificate_arn", "")
if desc.CustomDomainConfig != nil {
Expand All @@ -160,35 +142,16 @@ func resourceAwsCognitoUserPoolDomainDelete(d *schema.ResourceData, meta interfa
UserPoolId: aws.String(d.Get("user_pool_id").(string)),
})
if err != nil {
return err
return fmt.Errorf("Error deleting User Pool Domain: %w", err)
}

stateConf := resource.StateChangeConf{
Pending: []string{
cognitoidentityprovider.DomainStatusTypeUpdating,
cognitoidentityprovider.DomainStatusTypeDeleting,
},
Target: []string{""},
Timeout: 1 * time.Minute,
Refresh: func() (interface{}, string, error) {
domain, err := conn.DescribeUserPoolDomain(&cognitoidentityprovider.DescribeUserPoolDomainInput{
Domain: aws.String(d.Id()),
})
if err != nil {
if isAWSErr(err, "ResourceNotFoundException", "") {
return 42, "", nil
}
return 42, "", err
}

desc := domain.DomainDescription
if desc.Status == nil {
return 42, "", nil
}

return domain, *desc.Status, nil
},
if _, err := waiter.UserPoolDomainDeleted(conn, d.Id()); err != nil {
if isAWSErr(err, cognitoidentityprovider.ErrCodeResourceNotFoundException, "") {
return nil
}
return fmt.Errorf("error waiting for User Pool Domain (%s) deletion: %w", d.Id(), err)
}
_, err = stateConf.WaitForState()
return err

return nil

}
24 changes: 23 additions & 1 deletion aws/resource_aws_cognito_user_pool_domain_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -151,6 +151,28 @@ func TestAccAWSCognitoUserPoolDomain_custom(t *testing.T) {
})
}

func TestAccAWSCognitoUserPoolDomain_disappears(t *testing.T) {
domainName := fmt.Sprintf("tf-acc-test-domain-%d", acctest.RandInt())
poolName := fmt.Sprintf("tf-acc-test-pool-%s", acctest.RandStringFromCharSet(10, acctest.CharSetAlphaNum))
resourceName := "aws_cognito_user_pool_domain.main"

resource.ParallelTest(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t); testAccPreCheckAWSCognitoIdentityProvider(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckAWSCognitoUserPoolDomainDestroy,
Steps: []resource.TestStep{
{
Config: testAccAWSCognitoUserPoolDomainConfig_basic(domainName, poolName),
Check: resource.ComposeAggregateTestCheckFunc(
testAccCheckAWSCognitoUserPoolDomainExists(resourceName),
testAccCheckResourceDisappears(testAccProvider, resourceAwsCognitoUserPoolDomain(), resourceName),
),
ExpectNonEmptyPlan: true,
},
},
})
}

func testAccCheckAWSCognitoUserPoolDomainExists(n string) resource.TestCheckFunc {
return func(s *terraform.State) error {
rs, ok := s.RootModule().Resources[n]
Expand Down Expand Up @@ -185,7 +207,7 @@ func testAccCheckAWSCognitoUserPoolDomainDestroy(s *terraform.State) error {
})

if err != nil {
if isAWSErr(err, "ResourceNotFoundException", "") {
if isAWSErr(err, cognitoidentityprovider.ErrCodeResourceNotFoundException, "") {
return nil
}
return err
Expand Down