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Fix construct release environments vars script

Dat Tang requested to merge dattang/fix-construct-release-environments-vars-script into master

What does this MR do and why?

Fix construct release environments vars script

Use CI_COMMIT_REF_NAME instead of CI_COMMIT_REF_SLUG, because the the later one does some string conversions per our document (https://docs.gitlab.com/ee/ci/variables/predefined_variables.html). This breaks the current regex, make it hard to understand and lead to possible confusion in the future.

Ref: gitlab-com/gl-infra/delivery#20371 (closed)

Detailed explanation

From our docs about CI_COMMIT_REF_SLUG :

https://docs.gitlab.com/ee/ci/variables/predefined_variables.html

 CI_COMMIT_REF_NAME in lowercase, shortened to 63 bytes, and with everything except 0-9 and a-z replaced with -. No leading / trailing -. Use in URLs, host names and domain names.

So, an example:

  • If the tag is v17.2.0-rc42-ee
  • CI_COMMIT_REF_NAME is the same - v17.2.0-rc42-ee
  • CI_COMMIT_REF_SLUG converts all . to be -, so its value is v17-2-0-rc42-ee. Because of that, it does not the regex of the script anymore, so it produces ENVIRONMENT=v17-2-0-rc42-security , which is unexpected.

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Testing

In a test repository, I tested on all 3 cases of CI_COMMIT_REF_NAME :

Stable branch

https://gitlab.com/dat.tang.gitlab/test-gitlab-ci/-/pipelines/1377363729

RC version tag

https://gitlab.com/dat.tang.gitlab/test-gitlab-ci/-/pipelines/1377364815

Release version tag

https://gitlab.com/dat.tang.gitlab/test-gitlab-ci/-/pipelines/1377365759

Edited by Dat Tang

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