.gitlab-ci.yml

# https://sanderknape.com/2019/02/automated-deployments-kubernetes-gitlab/
image: docker:latest

stages:
  - build
  - dev
  - production

before_script:
  - export REGISTRY_HOST="clyde.local:5005"
  - export CONTAINER_IMAGE="${REGISTRY_HOST}/${CI_PROJECT_PATH}/master"
  - export CONTAINER_IMAGE_SHA="${CONTAINER_IMAGE}:${CI_COMMIT_SHORT_SHA}"
  - export KUBE_SERVER="https://10.133.33.49:6443"

build:
  stage: build
  script:
    - docker login -u nobody -p nobody ${REGISTRY_HOST}
    - docker build -t ${CONTAINER_IMAGE_SHA} .
    - docker tag ${CONTAINER_IMAGE_SHA} ${CONTAINER_IMAGE}:dev
    - docker push ${CONTAINER_IMAGE_SHA}
    - docker push ${CONTAINER_IMAGE}:dev

dev:
  stage: dev
  image: dtzar/helm-kubectl
  script:
    - kubectl config set-cluster k8s --server="${KUBE_SERVER}" --certificate-authority=${CERTIFICATE_AUTHORITY_DATA} --embed-certs=true
    - kubectl config set-credentials gitlab --token="${USER_TOKEN}"
    - kubectl config set-context default --cluster=k8s --user=gitlab
    - kubectl config use-context default
    - kubectl apply -f ci/
    - kubectl rollout restart deployment/frontend-dev -n gitlab-managed-apps

production:
  stage: production
  rules:
    - if: $CI_MERGE_REQUEST_ID
      when: never # do not run job when in merge request
    - if: $CI_COMMIT_REF_NAME != "master"
      when: never
    - when: always
  image: docker:latest
  script:
    - wget -q https://storage.googleapis.com/kubernetes-release/release/v1.17.3/bin/linux/amd64/kubectl -O /usr/local/bin/kubectl && chmod +x /usr/local/bin/kubectl
    - docker pull ${CONTAINER_IMAGE}:dev
    - docker tag ${CONTAINER_IMAGE}:dev ${CONTAINER_IMAGE}:prod
    - docker push ${CONTAINER_IMAGE}:prod
    - kubectl config set-cluster k8s --server="${KUBE_SERVER}" --certificate-authority=${CERTIFICATE_AUTHORITY_DATA} --embed-certs=true
    - kubectl config set-credentials gitlab --token="${USER_TOKEN}"
    - kubectl config set-context default --cluster=k8s --user=gitlab
    - kubectl config use-context default
    - kubectl apply -f ci/
    - kubectl rollout restart deployment/frontend -n gitlab-managed-apps