default value 'missing' for 'treat_missing_data'

[nyamada00]

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Relates OR Closes #8854

Output from acceptance testing:

$ make testacc PKG_NAME=internal/service/cloudwatch TEST=./aws TESTARGS='-run=TestAccCloudWatchMetricAlarm'
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/cloudwatch -v -count 1 -parallel 20 -run=TestAccCloudWatchMetricAlarm -timeout 180m
=== RUN   TestAccCloudWatchMetricAlarm_basic
=== PAUSE TestAccCloudWatchMetricAlarm_basic
=== RUN   TestAccCloudWatchMetricAlarm_AlarmActions_ec2Automate
=== PAUSE TestAccCloudWatchMetricAlarm_AlarmActions_ec2Automate
=== RUN   TestAccCloudWatchMetricAlarm_AlarmActions_snsTopic
=== PAUSE TestAccCloudWatchMetricAlarm_AlarmActions_snsTopic
=== RUN   TestAccCloudWatchMetricAlarm_AlarmActions_swfAction
=== PAUSE TestAccCloudWatchMetricAlarm_AlarmActions_swfAction
=== RUN   TestAccCloudWatchMetricAlarm_dataPointsToAlarm
=== PAUSE TestAccCloudWatchMetricAlarm_dataPointsToAlarm
=== RUN   TestAccCloudWatchMetricAlarm_treatMissingData
=== PAUSE TestAccCloudWatchMetricAlarm_treatMissingData
=== RUN   TestAccCloudWatchMetricAlarm_evaluateLowSampleCountPercentiles
=== PAUSE TestAccCloudWatchMetricAlarm_evaluateLowSampleCountPercentiles
=== RUN   TestAccCloudWatchMetricAlarm_extendedStatistic
=== PAUSE TestAccCloudWatchMetricAlarm_extendedStatistic
=== RUN   TestAccCloudWatchMetricAlarm_expression
=== PAUSE TestAccCloudWatchMetricAlarm_expression
=== RUN   TestAccCloudWatchMetricAlarm_missingStatistic
=== PAUSE TestAccCloudWatchMetricAlarm_missingStatistic
=== RUN   TestAccCloudWatchMetricAlarm_tags
=== PAUSE TestAccCloudWatchMetricAlarm_tags
=== RUN   TestAccCloudWatchMetricAlarm_disappears
=== PAUSE TestAccCloudWatchMetricAlarm_disappears
=== CONT  TestAccCloudWatchMetricAlarm_basic
=== CONT  TestAccCloudWatchMetricAlarm_extendedStatistic
=== CONT  TestAccCloudWatchMetricAlarm_disappears
=== CONT  TestAccCloudWatchMetricAlarm_tags
=== CONT  TestAccCloudWatchMetricAlarm_missingStatistic
=== CONT  TestAccCloudWatchMetricAlarm_expression
=== CONT  TestAccCloudWatchMetricAlarm_dataPointsToAlarm
=== CONT  TestAccCloudWatchMetricAlarm_evaluateLowSampleCountPercentiles
=== CONT  TestAccCloudWatchMetricAlarm_treatMissingData
=== CONT  TestAccCloudWatchMetricAlarm_AlarmActions_snsTopic
=== CONT  TestAccCloudWatchMetricAlarm_AlarmActions_swfAction
=== CONT  TestAccCloudWatchMetricAlarm_AlarmActions_ec2Automate
--- PASS: TestAccCloudWatchMetricAlarm_missingStatistic (20.69s)
--- PASS: TestAccCloudWatchMetricAlarm_disappears (35.24s)
--- PASS: TestAccCloudWatchMetricAlarm_extendedStatistic (37.87s)
--- PASS: TestAccCloudWatchMetricAlarm_dataPointsToAlarm (40.05s)
--- PASS: TestAccCloudWatchMetricAlarm_basic (44.91s)
--- PASS: TestAccCloudWatchMetricAlarm_AlarmActions_swfAction (45.58s)
--- PASS: TestAccCloudWatchMetricAlarm_AlarmActions_snsTopic (48.96s)
--- PASS: TestAccCloudWatchMetricAlarm_evaluateLowSampleCountPercentiles (59.95s)
--- PASS: TestAccCloudWatchMetricAlarm_treatMissingData (87.18s)
--- PASS: TestAccCloudWatchMetricAlarm_tags (89.07s)
--- PASS: TestAccCloudWatchMetricAlarm_expression (161.39s)
--- PASS: TestAccCloudWatchMetricAlarm_AlarmActions_ec2Automate (299.20s)
PASS
ok      github.com/hashicorp/terraform-provider-aws/internal/service/cloudwatch 299.253s

[github-actions]

Welcome @nyamada00 👋

It looks like this is your first Pull Request submission to the Terraform AWS Provider! If you haven’t already done so please make sure you have checked out our CONTRIBUTING guide and FAQ to make sure your contribution is adhering to best practice and has all the necessary elements in place for a successful approval.

Also take a look at our FAQ which details how we prioritize Pull Requests for inclusion.

Thanks again, and welcome to the community! 😃

[ewbankkit]

LGTM 🚀.

Commercial

% make testacc TESTARGS='-run=TestAccCloudWatchMetricAlarm_' PKG_NAME=internal/service/cloudwatch
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/cloudwatch -v -count 1 -parallel 20 -run=TestAccCloudWatchMetricAlarm_ -timeout 180m
=== RUN   TestAccCloudWatchMetricAlarm_basic
=== PAUSE TestAccCloudWatchMetricAlarm_basic
=== RUN   TestAccCloudWatchMetricAlarm_AlarmActions_ec2Automate
=== PAUSE TestAccCloudWatchMetricAlarm_AlarmActions_ec2Automate
=== RUN   TestAccCloudWatchMetricAlarm_AlarmActions_snsTopic
=== PAUSE TestAccCloudWatchMetricAlarm_AlarmActions_snsTopic
=== RUN   TestAccCloudWatchMetricAlarm_AlarmActions_swfAction
=== PAUSE TestAccCloudWatchMetricAlarm_AlarmActions_swfAction
=== RUN   TestAccCloudWatchMetricAlarm_dataPointsToAlarm
=== PAUSE TestAccCloudWatchMetricAlarm_dataPointsToAlarm
=== RUN   TestAccCloudWatchMetricAlarm_treatMissingData
=== PAUSE TestAccCloudWatchMetricAlarm_treatMissingData
=== RUN   TestAccCloudWatchMetricAlarm_evaluateLowSampleCountPercentiles
=== PAUSE TestAccCloudWatchMetricAlarm_evaluateLowSampleCountPercentiles
=== RUN   TestAccCloudWatchMetricAlarm_extendedStatistic
=== PAUSE TestAccCloudWatchMetricAlarm_extendedStatistic
=== RUN   TestAccCloudWatchMetricAlarm_expression
=== PAUSE TestAccCloudWatchMetricAlarm_expression
=== RUN   TestAccCloudWatchMetricAlarm_missingStatistic
=== PAUSE TestAccCloudWatchMetricAlarm_missingStatistic
=== RUN   TestAccCloudWatchMetricAlarm_tags
=== PAUSE TestAccCloudWatchMetricAlarm_tags
=== RUN   TestAccCloudWatchMetricAlarm_disappears
=== PAUSE TestAccCloudWatchMetricAlarm_disappears
=== CONT  TestAccCloudWatchMetricAlarm_basic
=== CONT  TestAccCloudWatchMetricAlarm_extendedStatistic
=== CONT  TestAccCloudWatchMetricAlarm_AlarmActions_ec2Automate
=== CONT  TestAccCloudWatchMetricAlarm_tags
=== CONT  TestAccCloudWatchMetricAlarm_missingStatistic
=== CONT  TestAccCloudWatchMetricAlarm_dataPointsToAlarm
=== CONT  TestAccCloudWatchMetricAlarm_evaluateLowSampleCountPercentiles
=== CONT  TestAccCloudWatchMetricAlarm_expression
=== CONT  TestAccCloudWatchMetricAlarm_AlarmActions_snsTopic
=== CONT  TestAccCloudWatchMetricAlarm_treatMissingData
=== CONT  TestAccCloudWatchMetricAlarm_disappears
=== CONT  TestAccCloudWatchMetricAlarm_AlarmActions_swfAction
--- PASS: TestAccCloudWatchMetricAlarm_missingStatistic (9.62s)
--- PASS: TestAccCloudWatchMetricAlarm_disappears (19.48s)
--- PASS: TestAccCloudWatchMetricAlarm_dataPointsToAlarm (24.28s)
--- PASS: TestAccCloudWatchMetricAlarm_extendedStatistic (24.33s)
--- PASS: TestAccCloudWatchMetricAlarm_basic (27.60s)
--- PASS: TestAccCloudWatchMetricAlarm_AlarmActions_swfAction (27.79s)
--- PASS: TestAccCloudWatchMetricAlarm_AlarmActions_snsTopic (28.08s)
--- PASS: TestAccCloudWatchMetricAlarm_evaluateLowSampleCountPercentiles (36.04s)
--- PASS: TestAccCloudWatchMetricAlarm_treatMissingData (51.24s)
--- PASS: TestAccCloudWatchMetricAlarm_tags (56.51s)
--- PASS: TestAccCloudWatchMetricAlarm_expression (99.52s)
--- PASS: TestAccCloudWatchMetricAlarm_AlarmActions_ec2Automate (219.87s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/cloudwatch	222.795s

GovCloud

% make testacc TESTARGS='-run=TestAccCloudWatchMetricAlarm_' PKG_NAME=internal/service/cloudwatch
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/cloudwatch -v -count 1 -parallel 20 -run=TestAccCloudWatchMetricAlarm_ -timeout 180m
=== RUN   TestAccCloudWatchMetricAlarm_basic
=== PAUSE TestAccCloudWatchMetricAlarm_basic
=== RUN   TestAccCloudWatchMetricAlarm_AlarmActions_ec2Automate
=== PAUSE TestAccCloudWatchMetricAlarm_AlarmActions_ec2Automate
=== RUN   TestAccCloudWatchMetricAlarm_AlarmActions_snsTopic
=== PAUSE TestAccCloudWatchMetricAlarm_AlarmActions_snsTopic
=== RUN   TestAccCloudWatchMetricAlarm_AlarmActions_swfAction
=== PAUSE TestAccCloudWatchMetricAlarm_AlarmActions_swfAction
=== RUN   TestAccCloudWatchMetricAlarm_dataPointsToAlarm
=== PAUSE TestAccCloudWatchMetricAlarm_dataPointsToAlarm
=== RUN   TestAccCloudWatchMetricAlarm_treatMissingData
=== PAUSE TestAccCloudWatchMetricAlarm_treatMissingData
=== RUN   TestAccCloudWatchMetricAlarm_evaluateLowSampleCountPercentiles
=== PAUSE TestAccCloudWatchMetricAlarm_evaluateLowSampleCountPercentiles
=== RUN   TestAccCloudWatchMetricAlarm_extendedStatistic
=== PAUSE TestAccCloudWatchMetricAlarm_extendedStatistic
=== RUN   TestAccCloudWatchMetricAlarm_expression
=== PAUSE TestAccCloudWatchMetricAlarm_expression
=== RUN   TestAccCloudWatchMetricAlarm_missingStatistic
=== PAUSE TestAccCloudWatchMetricAlarm_missingStatistic
=== RUN   TestAccCloudWatchMetricAlarm_tags
=== PAUSE TestAccCloudWatchMetricAlarm_tags
=== RUN   TestAccCloudWatchMetricAlarm_disappears
=== PAUSE TestAccCloudWatchMetricAlarm_disappears
=== CONT  TestAccCloudWatchMetricAlarm_basic
=== CONT  TestAccCloudWatchMetricAlarm_extendedStatistic
=== CONT  TestAccCloudWatchMetricAlarm_disappears
=== CONT  TestAccCloudWatchMetricAlarm_expression
=== CONT  TestAccCloudWatchMetricAlarm_AlarmActions_snsTopic
=== CONT  TestAccCloudWatchMetricAlarm_AlarmActions_ec2Automate
=== CONT  TestAccCloudWatchMetricAlarm_dataPointsToAlarm
=== CONT  TestAccCloudWatchMetricAlarm_evaluateLowSampleCountPercentiles
=== CONT  TestAccCloudWatchMetricAlarm_missingStatistic
=== CONT  TestAccCloudWatchMetricAlarm_tags
=== CONT  TestAccCloudWatchMetricAlarm_AlarmActions_swfAction
=== CONT  TestAccCloudWatchMetricAlarm_treatMissingData
--- PASS: TestAccCloudWatchMetricAlarm_missingStatistic (16.05s)
--- PASS: TestAccCloudWatchMetricAlarm_disappears (29.37s)
--- PASS: TestAccCloudWatchMetricAlarm_extendedStatistic (35.26s)
--- PASS: TestAccCloudWatchMetricAlarm_dataPointsToAlarm (36.29s)
--- PASS: TestAccCloudWatchMetricAlarm_basic (38.98s)
--- PASS: TestAccCloudWatchMetricAlarm_AlarmActions_swfAction (40.19s)
--- PASS: TestAccCloudWatchMetricAlarm_AlarmActions_snsTopic (40.39s)
--- PASS: TestAccCloudWatchMetricAlarm_evaluateLowSampleCountPercentiles (53.38s)
--- PASS: TestAccCloudWatchMetricAlarm_tags (73.48s)
--- PASS: TestAccCloudWatchMetricAlarm_treatMissingData (74.01s)
--- PASS: TestAccCloudWatchMetricAlarm_expression (124.28s)
--- PASS: TestAccCloudWatchMetricAlarm_AlarmActions_ec2Automate (220.01s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/cloudwatch	223.525s

[ewbankkit]

@nyamada00 Thanks for the contribution 🎉 👏.

[github-actions]

This functionality has been released in v3.64.0 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.