---
kind: pipeline
name: lint

steps:
- name: yaml lint
  image: cytopia/yamllint
  commands:
  - yamllint .

- name: docker lint
  image: hadolint/hadolint
  commands:
  - hadolint Dockerfile  # ignore pinning version in pip

- name: w3c validator
  image: validator/validator:latest
  commands:
  - vnu static/*.html

- name: markdown lint
  image: pipelinecomponents/markdownlint:latest
  commands:
  - mdl --style all --warnings .

---
kind: pipeline
name: unit tests

steps:
- name: unit test
  image: python:slim
  commands:
  - pip install -r requirements.txt
  - pip install pylint
  - pylint beer/*.py tests/*.py
  - python -m pytest tests

depends_on:
- lint

---
kind: pipeline
name: build

steps:
- name: build image
  image: plugins/docker
  settings:
    repo: kleph/beer
    tags: ${DRONE_COMMIT_SHA:0:8}
    username:
      from_secret: dockerhub_username
    password:
      from_secret: dockerhub_password
  when:
    event:
      exclude:
      - pull_request

depends_on:
- unit tests

---
deploy_commands_alias:
- &deploy_commands
  commands:
  - echo "== pre deploy ($${LEVEL}) status:"
  - kubectl get pods --namespace=beer
  - kubectl get deployments --namespace=beer
  - sed "s/__LEVEL__/$${LEVEL}/g" kube/beer-deployment.yaml > kube/beer-deployment-$${LEVEL}.yaml
  - sed "s/__NAMESPACE__/$${NAMESPACE}/g" kube/beer-deployment-$${LEVEL}.yaml > kube/beer-deployment-$${NAMESPACE}-$${LEVEL}.yaml
  - sed "s/__IMAGE_TAG__/$${IMAGE_TAG}/g" kube/beer-deployment-$${NAMESPACE}-$${LEVEL}.yaml > kube/beer-deployment-$${NAMESPACE}-$${LEVEL}2.yaml
  - echo "applying"
  - kubectl apply -f kube/beer-deployment-$${NAMESPACE}-$${LEVEL}2.yaml --namespace=beer
  - echo "== post deploy ($${LEVEL}) status:"
  - kubectl get deployments --namespace=beer
  - kubectl get pods --namespace=beer

kind: pipeline
name: deploy

steps:
- name: deploy staging
  image: sinlead/drone-kubectl
  settings:
    kubernetes_server:
      from_secret: kubectl_uri
    kubernetes_cert:
      from_secret: kubectl_cert
    kubernetes_token:
      from_secret: kubectl_token
  environment:
    IMAGE_TAG: ${DRONE_COMMIT_SHA:0:8}
    NAMESPACE: beer
    LEVEL: staging
  <<: *deploy_commands
  when:
    branch:
      exclude:
      - master

- name: test staging
  image: ellerbrock/alpine-bash-curl-ssl
  environment:
    BRANCH: ${DRONE_COMMIT_BRANCH}
  commands:
  - bash staging_tests.sh
  when:
    branch:
      exclude:
      - master

- name: deploy live
  image: sinlead/drone-kubectl
  settings:
    kubernetes_server:
      from_secret: kubectl_uri
    kubernetes_cert:
      from_secret: kubectl_cert
    kubernetes_token:
      from_secret: kubectl_token
  environment:
    IMAGE_TAG: ${DRONE_COMMIT_SHA:0:8}
    NAMESPACE: beer
    LEVEL: live
  <<: *deploy_commands
  when:
    branch:
      include:
      - master

depends_on:
- build