.gitlab-ci.yml

---

.docker_build_common: &docker_build_common
    image: michaelboulton/rocker-deploy:gke-latest
    tags:
        - dind
    services:
        - docker:dind

.gcr_login_common: &gcr_login_common
    before_script:
        - gcloud config set project $GCLOUD_PROJECT_NAME
        # update
        - gcloud --quiet components update
        # get credentials
        - echo $GCLOUD_CONTAINER_AUTH | base64 -d > /tmp/auth.json
        # login
        - gcloud auth activate-service-account --key-file /tmp/auth.json
        - docker login -u _json_key --password-stdin https://eu.gcr.io < /tmp/auth.json

variables:
    GIT_SUBMODULE_STRATEGY: none

    # base docker image name
    BASENAME: djangodemoapp
    # base name for tag in repository
    REMOTE_IMAGE_NAME: ${GCR_REGISTRY_PREFIX}/${GCLOUD_PROJECT_NAME}/${BASENAME}:${CI_COMMIT_TAG}

    GCR_REGISTRY_PREFIX: eu.gcr.io
    GCLOUD_PROJECT_NAME: zconnect-201710
    GCLOUD_CLUSTER_NAME: cluster-1
    GCLOUD_COMPUTE_ZONE: europe-west2-a

    GCLOUD_VER: 199.0.0

    # Extra things that need to be set:
    # GCLOUD_CONTAINER_AUTH: Look at helm-deployment-start README on how to get this
    # KUBE_NAMESPACE: set via gitlab kubernetes integration
    # KUBECONFIG: set via gitlab kubernetes integration

stages:
    - precheck
    - tests
    - push_image
    - deploy

#############################################################################
# Run pyflakes

pep8 django app:
    image: michaelboulton/python-package-build:3.5-slim-jessie
    stage: precheck

    before_script:
        - pip install pylama
    script:
        - pylama -o pytest.ini -l pep8 django_demo apps/zconnect-django

    allow_failure: true

Pyflakes tests:
    image: michaelboulton/python-package-build:3.5-slim-jessie
    stage: precheck

    before_script:
        - pip install pylama
    script:
        - pylama -o pytest.ini -l pyflakes django_demo/tests apps/zconnect-django/tests

    allow_failure: true

Check sort order of django app:
    image: michaelboulton/python-package-build:3.5-slim-jessie
    stage: precheck

    before_script:
        - pip install tox
    script:
        - tox -e isort

    allow_failure: true

Pyflakes django app:
    image: michaelboulton/python-package-build:3.5-slim-jessie
    stage: precheck

    before_script:
        - pip install pylama
    script:
        - pylama -o pytest.ini -l pyflakes django_demo apps/zconnect-django/zconnect

#############################################################################
# Integration tests

Run integration tests with docker-compose:
    <<: *docker_build_common
    only:
        - master

    variables:
        GIT_SUBMODULE_STRATEGY: recursive
        GIT_SSL_CAPATH: /etc/ssl/certs/

    stage: tests

    before_script:
        # Use rocker to build the base image and the others
        - apk update && apk add --no-cache --virtual .fetch-deps git python3-dev curl openssh libffi-dev build-base openssl-dev linux-headers pcre-dev && rm -rf /var/cache/apk/*
        - pip3 install --upgrade pip setuptools docker-compose
        - docker-compose -f docker-compose-tavern.yaml build
    script:
        - docker-compose -f docker-compose-tavern.yaml run tavern
    after_script:
        - docker-compose -f docker-compose-tavern.yaml stop

#############################################################################
# Tests + pylint

Lint django app:
    image: michaelboulton/python-package-build:3.5-slim-jessie
    stage: tests
    tags:
        - kwak

    before_script:
        - pip install -r requirements.txt
    script:
        - pylint django_demo apps/zconnect-django/zconnect --rcfile .pylintrc

Test zconnect-django:
    image: michaelboulton/python-package-build:3.5-slim-jessie
    stage: tests
    tags:
        - kwak

    before_script:
        - cd apps/zconnect-django
        - pip3 install tox
    script:
        - tox -e py35-django20

Test django app:
    image: michaelboulton/python-package-build:3.5-slim-jessie
    stage: tests
    tags:
        - kwak

    before_script:
        - pip3 install tox
    script:
        - tox -e py35-django20

#############################################################################
# build + push image

Build and push docker image:
    <<: *docker_build_common
    <<: *gcr_login_common

    stage: push_image

    only:
        - tags

    script:
        - >
            docker build .
            -t ${REMOTE_IMAGE_NAME}
            -f deploy/Dockerfile
        - docker push ${REMOTE_IMAGE_NAME}

#############################################################################
# Deploy

Deploy tagged version to integration:
    <<: *docker_build_common
    image: michaelboulton/helmdeploy:v2.8.2

    stage: deploy

    environment:
        name: integration

    variables:
        GIT_SUBMODULE_STRATEGY: none
        TILLER_NAMESPACE: $KUBE_NAMESPACE

    before_script:
        - helm init --client-only
        - helm repo add incubator https://kubernetes-charts-incubator.storage.googleapis.com
        - helm dependency update ./deploy/chart/djangodemoapp
        - helm dependency build ./deploy/chart/djangodemoapp
        - helm init --upgrade --service-account=tiller-sa
        - sleep 10
        - helm list
    script:
        - >
            helm upgrade
            --namespace $KUBE_NAMESPACE
            --values ./deploy/chart/integration.yaml
            $(helm list | grep djangodemoapp | awk '{print $1}')
            ./deploy/chart/djangodemoapp

    only:
        - tags
    when: manual