Add custom_headers to aws_amplify_app

[Maddog2050]

Description

Add custom_headers to the aws_amplify_app resource

Relations

Closes #31560

References

https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-amplify-app.html
https://docs.aws.amazon.com/amplify/latest/userguide/custom-headers.html

[github-actions]

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[KholdStare]

@ewbankkit Anything stopping from this getting merged and released?

[ewbankkit]

LGTM 🚀.

 % make testacc TESTARGS='-run=TestAccAmplify_serial/App' PKG=amplify
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/amplify/... -v -count 1 -parallel 20  -run=TestAccAmplify_serial/App -timeout 360m
=== RUN   TestAccAmplify_serial
=== PAUSE TestAccAmplify_serial
=== CONT  TestAccAmplify_serial
=== RUN   TestAccAmplify_serial/App
=== RUN   TestAccAmplify_serial/App/BasicAuthCredentials
    app_test.go:250: Step 1/4 error: Check failed: Check 2/3 error: aws_amplify_app.test: Attribute 'basic_auth_credentials' expected "dXNlcm5hbWUxOnBhc3N3b3JkMQ==", got "dXNlcm5hbWUxOkh0WmtDZHNCNWdQc2Q4N1JLZGVhQmc9PXx8U3ZaaUtHODlVTjNrVmlGbFpiV3lUK3ByTDZFcmJrc0FWTi8zT3ZWb0M2RT0="
=== RUN   TestAccAmplify_serial/App/Description
=== RUN   TestAccAmplify_serial/App/EnvironmentVariables
=== RUN   TestAccAmplify_serial/App/IamServiceRole
=== RUN   TestAccAmplify_serial/App/Repository
    app_test.go:559: Environment variable AMPLIFY_GITHUB_ACCESS_TOKEN is not set
=== RUN   TestAccAmplify_serial/App/basic
=== RUN   TestAccAmplify_serial/App/disappears
=== RUN   TestAccAmplify_serial/App/tags
=== RUN   TestAccAmplify_serial/App/Name
=== RUN   TestAccAmplify_serial/App/AutoBranchCreationConfig
    app_test.go:153: Step 2/5 error: Check failed: Check 3/16 error: aws_amplify_app.test: Attribute 'auto_branch_creation_config.0.basic_auth_credentials' expected "dXNlcm5hbWUxOnBhc3N3b3JkMQ==", got "dXNlcm5hbWUxOnV2UEJVaitjQ3hUem9FaVFwQURGZkE9PXx8cGdGak9oUnJtaXE1NmVjOWh2S3UzcCtybzd4Vk1iSzBCMmtSd1FGaG53dz0="
=== RUN   TestAccAmplify_serial/App/BuildSpec
=== RUN   TestAccAmplify_serial/App/CustomRules
--- FAIL: TestAccAmplify_serial (483.08s)
    --- FAIL: TestAccAmplify_serial/App (483.08s)
        --- FAIL: TestAccAmplify_serial/App/BasicAuthCredentials (12.53s)
        --- PASS: TestAccAmplify_serial/App/Description (57.47s)
        --- PASS: TestAccAmplify_serial/App/EnvironmentVariables (56.64s)
        --- PASS: TestAccAmplify_serial/App/IamServiceRole (57.87s)
        --- SKIP: TestAccAmplify_serial/App/Repository (0.00s)
        --- PASS: TestAccAmplify_serial/App/basic (28.69s)
        --- PASS: TestAccAmplify_serial/App/disappears (23.40s)
        --- PASS: TestAccAmplify_serial/App/tags (59.44s)
        --- PASS: TestAccAmplify_serial/App/Name (43.45s)
        --- FAIL: TestAccAmplify_serial/App/AutoBranchCreationConfig (26.84s)
        --- PASS: TestAccAmplify_serial/App/BuildSpec (57.69s)
        --- PASS: TestAccAmplify_serial/App/CustomRules (59.05s)
FAIL
FAIL    github.com/hashicorp/terraform-provider-aws/internal/service/amplify    488.617s
FAIL
make: *** [testacc] Error 1

Failures are unrelated to this change.

[ewbankkit]

@Maddog2050 Thanks for the contribution 🎉 👏.

[github-actions]

This functionality has been released in v5.24.0 of the Terraform AWS Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!

[github-actions]

I'm going to lock this pull request because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.
If you have found a problem that seems related to this change, please open a new issue and complete the issue template so we can capture all the details necessary to investigate further.