build-bothub-engine-push-tag-dockerhub.yaml

name: Build Bothub Engine in Dockerhub (Push Tag)

on:
  push:
    tags:
      - '*.*.*-develop'
      - '*.*.*-staging'
      - '*.*.*'

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Set variables
        run: |
            TAG="$( echo "${GITHUB_REF}" | cut -d'/' -f3 )"
            if grep -qs -e '^.*.*-develop' <<< "${TAG}" ; then
              echo "Found environment: DEVELOP - ${TAG}"
              echo "MANIFESTS_ENVIRONMENT=develop" | tee -a "${GITHUB_ENV}"
            elif grep -qs -e '^.*.*-staging' <<< "${TAG}" ; then
              echo "Found environment: STAGING - ${TAG}"
              echo "MANIFESTS_ENVIRONMENT=staging" | tee -a "${GITHUB_ENV}"
            elif grep -qs -e '^.*.*' <<< "${TAG}" ; then
              echo "No environment found, assuming: PRODUCTION - ${TAG}"
              echo "MANIFESTS_ENVIRONMENT=production" | tee -a "${GITHUB_ENV}"
            else
              echo 'Not a valid tag. Skipping...'
              exit 1
            fi
            echo "TAG=$TAG" | tee -a "${GITHUB_ENV}"
            VERSION="${TAG}"
            echo "VERSION=${VERSION}" | tee -a "${GITHUB_ENV}"
            echo "COMMIT_SHA=$GITHUB_SHA" | tee -a "${GITHUB_ENV}"
            echo "IMAGE_TAG=bothubit/bothub-engine:${TAG}" | tee -a "${GITHUB_ENV}"
            echo "IMAGE_SOURCE_URL=https://github.com/Ilhasoft/bothub-engine" | tee -a "${GITHUB_ENV}"
            echo "MANIFESTS_REPOSITORY=weni-ai/kubernetes-manifests-artificial-intelligence" | tee -a "${GITHUB_ENV}"
            echo "MANIFESTS_APPLICATION=engine" | tee -a "${GITHUB_ENV}"
            echo "MANIFESTS_PATCH_TARGET=deployment-engine.json" | tee -a "${GITHUB_ENV}"

      - name: Check out the repo
        uses: actions/checkout@v3
        with:
          ref: "${{env.GITHUB_SHA}}"

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to Registry
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push - Bothub Engine Image
        uses: docker/build-push-action@v3
        with:
          context: .
          labels: |
            tag=${{env.TAG}}
            commit=${{env.COMMIT_SHA}}
            repository=${{env.IMAGE_SOURCE_URL}}
          file: Dockerfile
          push: true
          tags: "${{env.IMAGE_TAG}}"
          no-cache: true

      - name: Check out Kubernetes Manifests
        uses: actions/checkout@master
        with:
          ref: main
          repository: "${{ env.MANIFESTS_REPOSITORY }}"
          token: "${{ secrets.DEVOPS_GITHUB_PERMANENT_TOKEN }}"
          path: ./kubernetes-manifests/

      - name: Update image on deployment
        run: |
            which jq > /dev/null 2>&1 || ( sudo apt update ; sudo apt install -y jq )
            # Dep: coreutils
            verlte() {
              [ "$1" = "`echo -e "$1\n$2" | sort -V | head -n1`" ]
            }
            verlt(){
              [ "$1" = "$2" ] && return 1 || verlte $1 $2
            }
            export PROJECT_DIR="${{ env.MANIFESTS_APPLICATION }}"
            ENV_DIR="kubernetes-manifests/${{ env.MANIFESTS_APPLICATION }}/${MANIFESTS_ENVIRONMENT}"
            for e in ${ENV_DIR}; do
              echo "Update ${e}:"
              if [ ! -d "${e}" ] ; then
                echo "${e}: Does not exist, skipping"
              elif [ ! -r "${e}/kustomization.yaml" ] ; then
                echo "${e}/kustomization.yaml: Does not readable, skipping"
              elif [ ! -r "${e}/${{ env.MANIFESTS_PATCH_TARGET }}" ] ; then
                echo "${e}/${{ env.MANIFESTS_PATCH_TARGET }}: Does not readable, skipping"
              else
                OLD_IMAGE=$(
                  cat "${e}/${{ env.MANIFESTS_PATCH_TARGET }}" \
                    | jq '.[] | select(.path == "/spec/template/spec/containers/0/image") | .value'
                )
                echo "Old image to replace: ${OLD_IMAGE}"
                OLD_VERSION=$(
                  echo "${OLD_IMAGE}" \
                    | sed s'/^.*[v:-]\([0-9]*\.[0-9]*\.[0-9]*\).*$/\1/'g \
                    | head -n1
                )
                echo "Old image version to compare: ${OLD_VERSION}<=${{env.VERSION}}"
                if verlte "${OLD_VERSION}" "${VERSION}" || [[ ! "${OLD_VERSION}" =~ [0-9]+\.[0-9]+\.[0-9]+ ]] ; then
                  echo 'New configurations:'
                  new_configuration=$(
                    cat "${e}/${{ env.MANIFESTS_PATCH_TARGET }}" \
                      | jq '(..|select(.path == "/spec/template/spec/containers/0/image")?) += {value: "'"${{env.IMAGE_TAG}}"'"}'
                  )
                  echo "${new_configuration}"
                  echo "${new_configuration}" > "${e}/${{ env.MANIFESTS_PATCH_TARGET }}"
                else
                  echo "Version in file is greater than build, skipping update yaml"
                fi
              fi
            done

      - name: Commit & Push changes
        uses: actions-js/push@master
        with:
          github_token: "${{ secrets.DEVOPS_GITHUB_PERMANENT_TOKEN }}"
          repository: "${{ env.MANIFESTS_REPOSITORY }}"
          directory: ./kubernetes-manifests/
          branch: main
          message: "From Bothub Engine Build (Push Tag ${{ env.MANIFESTS_ENVIRONMENT }})"