Update CI rule to build QA image for internal release

What does this MR do and why?

Build QA image for internal release

• Add a new CI rule to build QA image for internal release on dev.gitlab.org
• Adapt the logic to tag internal release QA image in build_qa_image to the new commit meassage which is "Update VERSION file for <internal-release-version" (https://gitlab.com/gitlab-org/release-tools/-/blob/7c7d30314f74c9d4dea3b82db1cd2bb44b9c8154/lib/release_tools/internal_release/update_version_file.rb#L61)

References

gitlab-com/gl-infra/delivery#20850 (closed)

Testing

To perform the tests, I use the same rule added in this MR in my test repo at https://dev.gitlab.org/dat.tang.gitlab/test-project

With the script:

script

#!/bin/bash

CI_REGISTRY="dev.gitlab.org:5005"
QA_IMAGE_NAME="gitlab-ee-qa"

BASE_IMAGE_PATH="${CI_REGISTRY}/${CI_PROJECT_PATH}/${QA_IMAGE_NAME}"

function version_file_content() {
    cat "${CI_PROJECT_DIR}/VERSION" 2>/dev/null || echo ""
}

if [[ "${QA_IMAGE_NAME}" == "gitlab-ee-qa" ]] && \
   [[ "${CI_REGISTRY}" == "dev.gitlab.org:5005" ]] && \
   [[ "$CI_COMMIT_TITLE" =~ ^Update\ VERSION\ file.*internal ]]; then
   QA_IMAGE_FOR_INTERNAL_RELEASE="${BASE_IMAGE_PATH}:$(version_file_content)"
   DESTINATIONS="${DESTINATIONS} --tag ${QA_IMAGE_FOR_INTERNAL_RELEASE}"
fi

echo "${DESTINATIONS}"

CI config

.if-dev-internal-release: &if-dev-internal-release
  if: '$CI_SERVER_HOST == "dev.gitlab.org" && $CI_PROJECT_PATH == "dat.tang.gitlab/test-project" && $CI_COMMIT_TITLE =~ /^Update VERSION file.*internal/'
.build-images:rules:build-qa-image:
  rules:
    - <<: *if-dev-internal-release
stages:
    - build-images
build-qa-image:
  extends:
    - .build-images:rules:build-qa-image
  stage: build-images
  needs: []
  script:
    - bash scripts/build_qa_image

It returned the expected image tag --tag dev.gitlab.org:5005/dat.tang.gitlab/test-project/gitlab-ee-qa:100.100.1-internal2

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