.travis.yml

services:
  - docker

language: node_js
node_js: 12

env:
  global:
    ENV: dev
    SKIP_BUILD: false
    
notifications:
  slack:
    secure: 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

job_configs:
  - gcloud_cache: &gcloud_cache
      cache:
        directories:
          - "$HOME/google-cloud-sdk/"
  - gcloud_install: &gcloud_install
    # Install the Google Cloud SDK, if not added from Travis cache (see https://cloud.google.com/sdk/docs/downloads-interactive#silent)
    # Piping the output to /dev/null is important, as the verbose install script can cause issues on Travis
    - if [ ! -d $HOME/google-cloud-sdk/bin ]; then rm -rf $HOME/google-cloud-sdk; curl https://sdk.cloud.google.com > install.sh; bash install.sh --disable-prompts > /dev/null; fi
    # Add the Google Cloud SDK command line tools to $PATH
    - source $HOME/google-cloud-sdk/path.bash.inc
    - gcloud --quiet components update kubectl
    - gcloud version

  - gcloud_auth: &gcloud_auth
    # The Google Cloud key is JSON, but has to be stored as Base64, so decode it
    - echo $GCLOUD_SERVICE_KEY | base64 --decode > gcloud.p12
    - gcloud auth activate-service-account --key-file gcloud.p12
    - gcloud config set project ${GOOGLE_PROJECT_ID}
    - gcloud config set compute/zone ${GOOGLE_COMPUTE_ZONE}
    - gcloud container clusters get-credentials ${GOOGLE_GKE_CLUSTER}

  - build_job: &build_job
      install: &get_version
        - export BUILD_VERSION="$(git describe)"
        - echo "Building ${BUILD_TYPE} docker image ${BUILD_VERSION}"
      script:
        - cd ${BUILD_TYPE}
        - docker build -t reactive-analytics-${BUILD_TYPE}:${BUILD_VERSION} --build-arg BUILD_VERSION=${BUILD_VERSION} .

  - build_and_push_job: &build_and_push_job
      <<: *gcloud_cache
      before_install:
        - *gcloud_install
      install: 
        - *get_version
      before_script:
        - *gcloud_auth
      script:
        - cd ${BUILD_TYPE}
        - docker build -t ${GOOGLE_GCR_HANDLE}/${GOOGLE_PROJECT_ID}/reactive-analytics-${BUILD_TYPE}:${BUILD_VERSION} --build-arg BUILD_VERSION=${BUILD_VERSION} .
        - gcloud docker -- push ${GOOGLE_GCR_HANDLE}/${GOOGLE_PROJECT_ID}/reactive-analytics-${BUILD_TYPE}:${BUILD_VERSION}

  - deploy_job: &deploy_job
      <<: *gcloud_cache
      before_install:
        - *gcloud_install
      install:
        - *get_version
      before_script:
        - *gcloud_auth
      script:
        - >
          for f in ./kubernetes/*.yml; do
            cat $f | /usr/bin/envsubst | kubectl --namespace=${NAMESPACE} apply -f -
          done

jobs:
  include:
    - stage: Build
      name: Build client
      env: BUILD_TYPE=client
      <<: *build_job
    - name: Build server
      env: BUILD_TYPE=server
      <<: *build_job

    - stage: Build and push
      name: Build and push client image
      env: BUILD_TYPE=client
      <<: *build_and_push_job
    - name: Build and push server image
      env: BUILD_TYPE=server
      <<: *build_and_push_job

    - stage: Deploy
      name: Deploy images to GKE
      language: shell
      # use a map of environment variables, not a list, so that a matrix doesn't get created    
      env: NAMESPACE=${ENV}-reactive-analytics
      <<: *deploy_job
    
stages:
- name: Build
  if: env(SKIP_BUILD) != true AND NOT (branch = master AND type IN (push, api))
- name: Build and push
  if: env(SKIP_BUILD) != true AND branch = master AND type IN (push, api)
- name: Deploy
  if: branch = master AND type IN (push, api)