.gitlab-ci.yml

services:
- docker:dind

before_script:
  - apk update && apk upgrade && apk add --no-cache bash openssh
  

variables:
  DOCKER_DRIVER: overlay2

stages:
- test
- release
- deploy

test:
  stage: test
  image: vaeum/alpine-python3-pip3
  before_script:
    - pip install -r requirements.txt
  variables:
    POSTGRES_DB: postgres
    POSTGRES_USER: postgres
    POSTGRES_PASSWORD: ''
    POLLSAPI_PG_HOST: postgres
  services:
    - postgres:9.6-alpine
  script:
    - python manage.py test

release:
  stage: release
  image: docker:latest
  before_script:
   - export COMMIT_SHA=$(echo $CI_COMMIT_SHA | cut -c1-8)
   - apk update
   - apk upgrade
   - apk add python python-dev py-pip build-base 
   - apk add --update ca-certificates
   - apk add --update -t deps curl
   - apk del --purge deps
   - rm /var/cache/apk/*

  script:
    # Build our image
    - docker build -t $GCP_PROJECT_ID/$CI_PROJECT_NAME:$COMMIT_SHA .

    # Write our GCP service account private key into a file
    - echo $GCLOUD_SERVICE_KEY | base64 -d > ${HOME}/gcloud-service-key.json
    
    # Download and install Google Cloud SDK
    - wget https://dl.google.com/dl/cloudsdk/release/google-cloud-sdk.tar.gz
    - tar zxvf google-cloud-sdk.tar.gz && ./google-cloud-sdk/install.sh --usage-reporting=false --path-update=true
    
    # Update gcloud components
    - google-cloud-sdk/bin/gcloud --quiet components update

    # Give access to gcloud project
    - google-cloud-sdk/bin/gcloud auth activate-service-account --key-file ${HOME}/gcloud-service-key.json  || die "unable to authenticate service account for gcloud"
    
    # Get current projects credentials to access it
    - google-cloud-sdk/bin/gcloud container clusters get-credentials pollsapi --zone asia-south1-a --project test-gcp-208915
    
    # Configure container registry to push using docker
    - docker login -u _json_key --password-stdin https://gcr.io < ${HOME}/gcloud-service-key.json

    # Push the image using docker
    - docker push $GCP_PROJECT_ID/$CI_PROJECT_NAME:$COMMIT_SHA
  only:
    - master

migrations:
  image: google/cloud-sdk:alpine
  stage: deploy
  variables:
    KUBE_LATEST_VERSION: "v1.8.5"
  before_script:
   - export COMMIT_SHA=$(echo $CI_COMMIT_SHA | cut -c1-8)
   - apk update
   - apk upgrade
   - apk add --update ca-certificates
   - apk add --update -t deps curl
   - curl -L https://storage.googleapis.com/kubernetes-release/release/${KUBE_LATEST_VERSION}/bin/linux/amd64/kubectl -o /usr/local/bin/kubectl
   - chmod +x /usr/local/bin/kubectl
   - apk del --purge deps
   - rm /var/cache/apk/*

  script:
    # Write our GCP service account private key into a file
    - echo $GCLOUD_SERVICE_KEY | base64 -d > ${HOME}/gcloud-service-key.json
    
    # Update gcloud components
    - gcloud --quiet components update

    # Give access to gcloud project
    - gcloud auth activate-service-account --key-file ${HOME}/gcloud-service-key.json  || die "unable to authenticate service account for gcloud"
    - gcloud container clusters get-credentials pollsapi --zone asia-south1-a --project test-gcp-208915
    
    # Run kubectl apply to apply any changes made in env variables, etc
    - kubectl apply -f polls-migration.yml
  environment: production
  when: manual
  only:
    - master

collect-static:
  image: google/cloud-sdk:alpine
  stage: deploy
  variables:
    KUBE_LATEST_VERSION: "v1.8.5"
  before_script:
   - export COMMIT_SHA=$(echo $CI_COMMIT_SHA | cut -c1-8)
   - apk update
   - apk upgrade
   - apk add --update ca-certificates
   - apk add --update -t deps curl
   - curl -L https://storage.googleapis.com/kubernetes-release/release/${KUBE_LATEST_VERSION}/bin/linux/amd64/kubectl -o /usr/local/bin/kubectl
   - chmod +x /usr/local/bin/kubectl
   - apk del --purge deps
   - rm /var/cache/apk/*

  script:
    # Write our GCP service account private key into a file
    - echo $GCLOUD_SERVICE_KEY | base64 -d > ${HOME}/gcloud-service-key.json
    
    # Update gcloud components
    - gcloud --quiet components update

    # Give access to gcloud project
    - gcloud auth activate-service-account --key-file ${HOME}/gcloud-service-key.json  || die "unable to authenticate service account for gcloud"
    - gcloud container clusters get-credentials pollsapi --zone asia-south1-a --project test-gcp-208915
    
    # Run kubectl apply to apply any changes made in env variables, etc
    - kubectl apply -f polls-collect-static.yml
  environment: production
  when: manual
  only:
    - master

deploy:
  image: google/cloud-sdk:alpine
  stage: deploy
  variables:
    KUBE_LATEST_VERSION: "v1.8.5"
  before_script:
   - export COMMIT_SHA=$(echo $CI_COMMIT_SHA | cut -c1-8)
   - apk update
   - apk upgrade
   - apk add --update ca-certificates
   - apk add --update -t deps curl
   - curl -L https://storage.googleapis.com/kubernetes-release/release/${KUBE_LATEST_VERSION}/bin/linux/amd64/kubectl -o /usr/local/bin/kubectl
   - chmod +x /usr/local/bin/kubectl
   - apk del --purge deps
   - rm /var/cache/apk/*

  script:
    # Write our GCP service account private key into a file
    - echo $GCLOUD_SERVICE_KEY | base64 -d > ${HOME}/gcloud-service-key.json
    
    # Update gcloud components
    - gcloud --quiet components update

    # Give access to gcloud project
    - gcloud auth activate-service-account --key-file ${HOME}/gcloud-service-key.json  || die "unable to authenticate service account for gcloud"
    - gcloud container clusters get-credentials pollsapi --zone asia-south1-a --project test-gcp-208915
    
    # Run kubectl apply to apply any changes made in env variables, etc
    - kubectl apply -f pollsapi.yml

    # Update deployment with new image
    - kubectl set image deployment/polls-api ${CI_PROJECT_NAME}=$GCP_PROJECT_ID/$CI_PROJECT_NAME:$COMMIT_SHA
  environment: production
  only:
    - master