Taskfile.yaml

version: '3'
env:
  BASE_DIR: ./config
  RELEASES_DIR: ./charts
  OUTPUT_DIR: "output"
  VALUES_FILE: "vendir.ytt.yml"
  TEMPLATE_FILE: "vendir.yml"
  CUSTOM: no
tasks:

  generate_and_sync:
    desc: Generate and sync files using vendir and ytt
    silent: true
    cmds:
      - "if ! command -v ytt &> /dev/null; then echo 'Error: ytt is not installed. Please install ytt before running this script.'; exit 1; fi"
      - "if ! command -v vendir &> /dev/null; then echo 'Error: vendir is not installed. Please install vendir before running this script.'; exit 1; fi"
      - "ytt -f \"$TEMPLATE_FILE\" -f \"$VALUES_FILE\" --output-files \"$OUTPUT_DIR\""
      - "if [ ! -d \"$OUTPUT_DIR\" ]; then echo 'Error: Failed to generate the output file.'; exit 1; fi"
      - "vendir sync -f \"$OUTPUT_DIR\"/vendir.yml"
      - "rm -rf \"$OUTPUT_DIR\""

  deploy:
    desc: Deploy a Helm chart
    silent: true
    cmds:
      - task: validate_chart
      - task: deploy_chart
    
  deploy_custom_k8s:
    desc: Deploy a Helm chart
    silent: true
    cmds:
      - task: deploy_custom

  upgrade:
    desc: upgrade a Helm chart
    silent: true
    cmds:
      - task: validate_chart
      - task: upgrade_chart

  wait:
    cmds:
      - sleep 10
  
  wait_k8s_custom:
    cmds:
      - sleep 60
    
  uninstall:
    desc: uninstall a Helm chart
    silent: true
    cmds:
      - task: delete_chart
      - task: wait
      - task: remove_namespace

  validate_chart:
    desc: Validate a Helm chart
    cmds:
      - helm lint "${BASE_DIR}/${CHART_NAME}"

  deploy_chart:
    desc: Deploy a Helm chart
    vars:
      DEFAULT: ${CHART_NAME}/${CHART_NAME}
    cmds:
      - bash -c "vals eval -f ${RELEASES_DIR}/${CHART_NAME}/values.yaml > ${RELEASES_DIR}/${CHART_NAME}/${CHART_NAME}.yaml"
      - helm install --create-namespace --namespace "$(basename ${BASE_DIR}/${CHART_NAME})" "$(basename ${BASE_DIR}/${CHART_NAME})"  $DEFAULT -f "${BASE_DIR}/${CHART_NAME}/values.yaml" -f "${RELEASES_DIR}/${CHART_NAME}/${CHART_NAME}.yaml"
      - rm "${RELEASES_DIR}/${CHART_NAME}/${CHART_NAME}.yaml"

  deploy_custom:
    desc: deploy custom k8s resources
    cmds:
      - "if [ -d \"${RELEASES_DIR}/${CHART_NAME}/k8s\" ]; then kubectl apply -f ${RELEASES_DIR}/${CHART_NAME}/k8s/. --namespace $(basename ${BASE_DIR}/${CHART_NAME}) ; fi"

  upgrade_chart:
    desc: upgrading an existing chart ${CHART_NAME}/${CHART_NAME}
    cmds:
      - bash -c "vals eval -f ${RELEASES_DIR}/${CHART_NAME}/values.yaml > ${RELEASES_DIR}/${CHART_NAME}/${CHART_NAME}.yaml"
      - helm upgrade --force --namespace "$(basename ${BASE_DIR}/${CHART_NAME})" "$(basename ${BASE_DIR}/${CHART_NAME})" $DEFAULT -f "${BASE_DIR}/${CHART_NAME}/values.yaml" -f "${RELEASES_DIR}/${CHART_NAME}/${CHART_NAME}.yaml"
      - rm "${RELEASES_DIR}/${CHART_NAME}/${CHART_NAME}.yaml"
      
  delete_chart:
    desc: Delete chart
    cmds:
      - helm uninstall "$(basename ${BASE_DIR}/${CHART_NAME})" --namespace "$(basename ${BASE_DIR}/${CHART_NAME})"
  
  remove_namespace:
    desc: remove namespace
    cmds:
      - kubectl delete ns "$(basename ${BASE_DIR}/${CHART_NAME})"