fix: CI/CD Bot exit early before applying plan on unmergeable PR #5590
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What does this PR do?
On final step of CI/CD, applying plan to prod, exit early (raise an error) before applying plan to prod if the PR merge state status is "blocked".
Why?
It is currently possible for synchronized deployments to get into a bad state, where the changes in a PR have been applied to the production environment but have not been merged (desychronized), with the following configurations:
This is currently possible because the
GithubController.deploy_to_prod()checks explicitly checks for "is_dirty" state, but if the only thing missing is CODEOWNER approval, the merge state status "is_blocked", not "is_dirty".https://docs.github.com/en/enterprise-cloud@latest/graphql/reference/enums#mergestatestatus