check-generated-values.yml

on: push
name: Check values files
jobs:
  diff:
    runs-on: ubuntu-latest
    env:
      TMP_DIR: "/tmp/shared"
    steps:
      - name: Check out repository
        uses: actions/checkout@v4
      - name: Create directories
        run: |
          mkdir -p ~/.local/bin
          mkdir -p "${TMP_DIR}"
          chmod 777 "${TMP_DIR}"
      - name: Create helmfile docker shim
        run: |
          docker pull ghcr.io/helmfile/helmfile:latest

          echo 'docker run \
            --rm \
            --volume "${TMP_DIR}:${TMP_DIR}" \
            --volume "${PWD}:/workdir" \
            --workdir /workdir \
            --user $(id -u):$(id -g) \
            ghcr.io/helmfile/helmfile:latest helmfile $*' \
            | tee ~/.local/bin/helmfile

          chmod +x ~/.local/bin/helmfile
      - name: Create yq docker shim
        run: |
          docker pull mikefarah/yq:latest

          echo 'docker run \
            --rm \
            --volume "${TMP_DIR}:${TMP_DIR}" \
            --volume "${PWD}:/workdir" \
            --workdir /workdir \
            --user $(id -u):$(id -g) \
            mikefarah/yq:latest $*' \
            | tee ~/.local/bin/yq

          chmod +x ~/.local/bin/yq
      - name: Diff current values files against generated ones
        run: >
          set -x;
          for ENV_DIR in k8s/argocd/*; do
            ENV=$(basename "${ENV_DIR}")

            for RELEASE_FILE in "${ENV_DIR}"/*.values.yaml; do
              RELEASE=$(basename "${RELEASE_FILE}" .values.yaml)
              TMP_VALUES="${TMP_DIR}"/tmp_"${ENV}.${RELEASE}".yml

              echo "checking $RELEASE_FILE - [$ENV] [$RELEASE]"

              ./bin/generate-values "${ENV}" "${RELEASE}" "${TMP_VALUES}"
              diff "${TMP_VALUES}" "${RELEASE_FILE}"
            done
          done