feat(cli): faster "no-op" deployments #6346
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Bail-out before executing and creating change sets when the currently deployed template is identical to the one we are about to deploy. This resolves #6046, where a stack that contains nested stack(s) will always try to update since CloudFormation assumes the nested template might have changed. In the CDK, since nested template URLs are immutable, we can trust that the URL will be changed, and therefore invalidate the *parent* template. This also fixes the bug described in #2553, where a stack that includes a `Transform` always fail to deploy with `No updates are to be performed` when there are no changes to it. The switch `--force` can be used to override this behavior. Added unit test and performed a few manual tests to verify both bugs are resolved. Resolves #6216
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eladb
changed the title
shivlaks
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Feb 19, 2020
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Let me look into an integ test. Good call. |
added 2 commits
February 19, 2020 11:20
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@shivlaks added an integration test! |
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Thank you for contributing! Your pull request is now being automatically merged. |
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Bail-out before executing and creating change sets when the currently deployed template is identical to the one we are about to deploy.
This resolves #6046, where a stack that contains nested stack(s) will always try to update since CloudFormation assumes the nested template might have changed. In the CDK, since nested template URLs are immutable, we can trust that the URL will be changed, and therefore invalidate the parent template.
This also fixes the bug described in #2553, where a stack that includes a
Transformalways fail to deploy withNo updates are to be performedwhen there are no changes to it.The switch
--forcecan be used to override this behavior.Added unit test and performed a few manual tests to verify both bugs are resolved.
Resolves #6216
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license