.gitlab-ci.yml

variables:
  GET_SOURCES_ATTEMPTS: 3
  DEPLOY_DOMAIN_SUFFIX: -ce.review.mist.io
  TEST_DEPLOY_DOMAIN_SUFFIX: -ce.test.mist.io

  # Possible values are CI_REGISTRY, EXT_REGISTRY, DOCKERHUB
  COMPOSE_REGISTRY: DOCKERHUB
  DEPLOY_REGISTRY: EXT_REGISTRY
  # Set to empty string '' to disable.
  DEPLOY_REGISTRY_AUTH: '1'
  # API & UI tests image
  TESTS_IMAGE: $DOCKERHUB_IMAGE/tests:$CI_COMMIT_SHA
  SUBMODULES_IMAGE: mist

stages:
  - discover
  - build
  - release
  - deploy
  - test
  - undeploy


#################### DISCOVER STAGE ####################

discover submodules:
  stage: discover
  image: alpine:3.8
  before_script:
    - apk add --no-cache git
  script:
    - |
        git submodule status --recursive | \
          sed 's/^[ +-]\([0-9a-f]*\) \([^ ]*\).*$/\1,\2/' > submodules.csv
  artifacts:
    paths:
      - submodules.csv
    expire_in: 10 days
  dependencies: []


#################### BUILD STAGE ####################

.dind_template: &docker_template
  stage: build
  image: docker:git
  services:
    - docker:dind
  variables: &docker_variables
    DOCKER_DRIVER: overlay2
    DOCKER_HOST: "tcp://localhost:2375"
  retry: 2
  tags:
    - cpu
  before_script:
    # Configure registries.
    - |
        export REGISTRIES=""

        # Login to gitlab docker registry.
        if [ -n "$CI_REGISTRY_IMAGE" ]; then
          echo "Logging in to gitlab registry."
          docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" \
            $CI_REGISTRY
          export REGISTRIES="$REGISTRIES $CI_REGISTRY_IMAGE"
          echo "Logged in to gitlab registry."
        else
          echo "No credentials provided for gitlab registry, skipping."
        fi

        # Login to other registry.
        if [ -n "$EXT_REGISTRY" ] && \
           [ -n "$EXT_REGISTRY_IMAGE" ] && \
           [ -n "$EXT_REGISTRY_USER" ] && \
           [ -n "$EXT_REGISTRY_PASSWORD" ]
        then
          echo "Logging in to $EXT_REGISTRY."
          docker login -u "$EXT_REGISTRY_USER" -p "$EXT_REGISTRY_PASSWORD" \
            "$EXT_REGISTRY"
          export REGISTRIES="$REGISTRIES $EXT_REGISTRY_IMAGE"
          echo "Logged in to $EXT_REGISTRY."
        else
          echo "No credentials provided for external registry, skipping."
        fi

        # Login to dockerhub.
        if [ -n "$DOCKERHUB_IMAGE" ] && \
           [ -n "$DOCKERHUB_USER" ] && \
           [ -n "$DOCKERHUB_PASSWORD" ]
        then
          echo "Logging in to dockerhub."
          docker login -u "$DOCKERHUB_USER" -p "$DOCKERHUB_PASSWORD"
          export REGISTRIES="$REGISTRIES $DOCKERHUB_IMAGE"
          echo "Logged in to dockerhub."
        else
          echo "No credentials provided for dockerhub, skipping."
        fi

        # Check if any registry configured.
        if [ -z "$REGISTRIES" ]; then
          echo "No registries configured, exiting."
          exit 1
        fi
    - |
        function docker_pull() {
          # docker_pull <img> : Will retry several times to pull image.
          img=$1
          tries=60
          sleep=10
          echo "Will try to pull image $img ($tries tries, ${sleep}s sleep)."
          for i in $(seq 1 $tries); do
            if docker pull $img; then
              echo "Image $img pulled successfully!"
              return 0
            fi
            sleep $sleep
          done
          echo "Failed too pull image $img."
          return 1
        }
    - |
        function docker_push() {
          # docker_push <src> <dest>: Retag and push image
          # <src> must be the full name of a local image.
          # <dest> must be just the image identifier, registry and tag will be
          # added automatically.
          tags="$CI_COMMIT_SHA $CI_COMMIT_REF_SLUG"
          if [ "$CI_COMMIT_REF_NAME" = "master" ]; then
            tags="$tags latest"
          fi
          src=$1
          for registry in $REGISTRIES; do
            for tag in $tags; do
              dest="$registry/$2:$tag"
              echo "Tagging image $src as $dest..."
              docker tag $src $dest
              echo "Pushing image $dest..."
              docker push $dest
            done
          done
        }
    - |
        function get_submodule_sha() {
          cat submodules.csv | grep ",$1$" | cut -d, -f1
        }
    - |
        function docker_retag_submodule() {
          repo=$1
          img=$2
          src_img="$img:$(get_submodule_sha $repo)"
          docker_pull $src_img
          docker_push $src_img $repo
        }
  dependencies:
    - discover submodules


build api:
  <<: *docker_template
  script:
    - SRC_IMG="${SUBMODULES_IMAGE:-mist}/mist:$(get_submodule_sha api)"
    - docker_pull $SRC_IMG
    - |
        docker build \
          -t $CI_PROJECT_NAME/api:$CI_COMMIT_SHA \
          --build-arg FROM_IMAGE=$SRC_IMG \
          --build-arg MIST_VERSION_SHA=$CI_COMMIT_SHA \
          --build-arg MIST_VERSION_NAME=$CI_COMMIT_REF_NAME \
          .
    - docker_push $CI_PROJECT_NAME/api:$CI_COMMIT_SHA api


.docker_build_template: &docker_build_template
  <<: *docker_template
  script:
    - export img=$(echo "$CI_JOB_NAME" | cut -d " " -f2)
    - docker build -t $CI_PROJECT_NAME/$img:$CI_COMMIT_SHA docker/$img
    - docker_push $CI_PROJECT_NAME/$img:$CI_COMMIT_SHA $img
  dependencies: []

build nginx: *docker_build_template
build gocky: *docker_build_template
build logstash: *docker_build_template
build elasticsearch-manage: *docker_build_template


.docker_retag_template: &docker_retag_template
  <<: *docker_template
  variables:
    <<: *docker_variables
    GIT_STRATEGY: none
  script:
    - export arg1=$(echo "$CI_JOB_NAME" | cut -d " " -f2)
    - export arg2=$(echo "$CI_JOB_NAME" | cut -d " " -f3)
    - export img="${SUBMODULES_IMAGE:-mist}/${arg1}"
    - export submodule="${arg2:-$arg1}"
    - echo "Will retag image $img from submodule $submodule."
    - docker_retag_submodule $submodule $img

retag landing: *docker_retag_template
retag ui: *docker_retag_template
retag tests: *docker_retag_template


compose:
  stage: build
  image: python:alpine
  before_script:
    - pip install docker-compose
    - apk add --no-cache gettext
  script:
    - mkdir -p artifacts
    - export IMG_REGISTRY=$(eval echo \$${COMPOSE_REGISTRY}_IMAGE)
    - echo "IMG_REGISTRY=$IMG_REGISTRY"
    - export IMG_TAG=$CI_COMMIT_REF_SLUG
    - echo "IMG_TAG=$IMG_TAG"
    - export CONF_DIR=/etc/mist
    - envsubst < docker-compose.yml > artifacts/docker-compose.yml
  artifacts:
    paths:
      - artifacts/docker-compose.yml
  dependencies: []


#################### DEPLOY STAGE ####################

.deploy_template: &deploy_template
  stage: deploy
  image: dtzar/helm-kubectl:2.10.0
  before_script:
    - |
        set -e

        function set_if_not_empty() {
          key="$1"
          val="$2"
          if [ -n "$val" ]; then
            echo " --set $key=$val"
          fi
        }

        function elasticsearch_params() {
          set_if_not_empty elasticsearch.host $ELASTICSEARCH_HOST
          set_if_not_empty elasticsearch.port $ELASTICSEARCH_PORT
          set_if_not_empty elasticsearch.username $ELASTICSEARCH_USERNAME
          set_if_not_empty elasticsearch.password $ELASTICSEARCH_PASSWORD
          set_if_not_empty elasticsearch.tls $ELASTICSEARCH_TLS
        }

        function deploy() {
          export namespace="$1"
          export release="$2"
          touch values.yaml
          export host=$(echo $CI_ENVIRONMENT_URL | sed 's/^https\?:\/\/\(.*\)/\1/')
          kubectl describe namespace/$namespace || \
            kubectl create namespace $namespace

          export image_secret_name=
          export REGISTRY_IMAGE="$(eval echo \$${DEPLOY_REGISTRY}_IMAGE)"
          export REGISTRY_USER="$(eval echo \$${DEPLOY_REGISTRY}_USER)"
          export REGISTRY_PASSWORD="$(eval echo \"\$${DEPLOY_REGISTRY}_PASSWORD\")"
          if [ "$DEPLOY_REGISTRY" = "CI_REGISTRY" ]; then
            if [ "$CI_PROJECT_VISIBILITY" = "public" ]; then
              export DEPLOY_REGISTRY_AUTH=
            elif [ -n "$CI_REGISTRY_USER_PERMANENT" -a -n "$CI_REGISTRY_PASSWORD_PERMANENT" ]; then
              export REGISTRY_USER="$CI_REGISTRY_USER_PERMANENT
              export REGISTRY_PASSWORD="$CI_REGISTRY_PASSWORD_PERMANENT
            fi
          fi
          if [ -n "$DEPLOY_REGISTRY_AUTH" ]; then
            export image_secret_name=registry
            kubectl create secret --namespace $namespace \
              docker-registry $image_secret_name \
              --docker-server=$REGISTRY_IMAGE \
              --docker-username=$REGISTRY_USER \
              --docker-password="$REGISTRY_PASSWORD" \
              --docker-email=$GITLAB_USER_EMAIL \
              -o yaml --dry-run | \
                kubectl replace --namespace $namespace --force -f -
          fi

          export tls_settings=
          if [ -n "$TLS_KEY" ] && [ -n "$TLS_CRT" ]; then
            tls_tmpdir=$(mktemp -d)
            echo "$TLS_KEY" > $tls_tmpdir/tls.key
            echo "$TLS_CRT" > $tls_tmpdir/tls.crt
            kubectl create secret --namespace $namespace \
              tls https \
              --key $tls_tmpdir/tls.key \
              --cert $tls_tmpdir/tls.crt \
              -o yaml --dry-run | \
                kubectl replace --namespace $namespace --force -f -
            export tls_settings="--set http.tlsSecret=https"
            rm -rf $tls_tmpdir
          fi

          helm init --client-only
          helm repo update
          helm dependency update ./chart/mist/

          helm upgrade --install --namespace $namespace \
            --wait --timeout=600 \
            -f values.yaml \
            --set image.tag="$CI_COMMIT_SHA" \
            --set image.registry="$REGISTRY_IMAGE" \
            --set image.pullPolicy=IfNotPresent \
            --set image.secrets[0].name="$image_secret_name" \
            --set http.host="$host" \
            --set stripe.publicApiKey="$STRIPE_PUBLIC_APIKEY" \
            --set stripe.secretApiKey="$STRIPE_SECRET_APIKEY" \
            --set docker.host="$DOCKER_HOST" \
            --set docker.port="$DOCKER_PORT" \
            --set docker.key="$DOCKER_KEY" \
            --set docker.cert="$DOCKER_CERT" \
            --set docker.ca="$DOCKER_CA" \
            --set awsAccessKey="$AWS_ACCESS_KEY" \
            --set awsSecretKey="$AWS_SECRET_KEY" \
            $tls_settings \
            $(elasticsearch_params) \
            $release ./chart/mist/
          apk add --no-cache curl
          echo "Waiting for environment to be ready..."
          while kubectl --namespace $namespace get pods -l release=$release | grep -v -e NAME -e Running -e Completed -e Evicted -e OutOfcpu; do
            sleep 10 && echo '.'
          done
          while !(curl -sSLf "$CI_ENVIRONMENT_URL" >/dev/null); do
            sleep 5 && echo 'Environment not ready yet...'
          done
        }
  script:
    - echo "$values" > values.yaml
    - deploy $namespace $release
  dependencies: []

deploy test:
  <<: *deploy_template
  environment:
    name: test/$CI_COMMIT_REF_SLUG
    url: https://$CI_COMMIT_REF_SLUG$TEST_DEPLOY_DOMAIN_SUFFIX
    on_stop: undeploy test
  variables:
    namespace: test-$CI_PROJECT_NAME
    release: test-$CI_PROJECT_NAME-$CI_COMMIT_REF_SLUG
    values: |-
      http:
        tlsSecret: tls-wildcard-test-mist-io
        tlsHosts:
          - '*.test.mist.io'
        tlsAnnotations:
          certmanager.k8s.io/cluster-issuer: letsencrypt-prod
          certmanager.k8s.io/acme-challenge-type: dns01
          certmanager.k8s.io/acme-dns01-provider: mist-dns
      enableDevUsers: true
      nodeSelector:
        cloud.google.com/gke-nodepool: generic
      rabbitmq:
        nodeSelector:
          cloud.google.com/gke-nodepool: generic

.deploy_review_template: &deploy_review_template
  <<: *deploy_template
  variables:
    namespace: $CI_PROJECT_NAME
    release: $CI_PROJECT_NAME-$CI_COMMIT_REF_SLUG
    values: |
      http:
        tlsSecret: tls-wildcard-review-mist-io
        tlsHosts:
          - '*.review.mist.io'
        tlsAnnotations:
          certmanager.k8s.io/cluster-issuer: letsencrypt-prod
          certmanager.k8s.io/acme-challenge-type: dns01
          certmanager.k8s.io/acme-dns01-provider: mist-dns
      enableDevUsers: false
      smtp:
        host: smtp.sendgrid.net
        port: 2525
        starttls: true
        username: apikey
        password: $SENDGRID_PASSWORD
      nodeSelector:
        cloud.google.com/gke-nodepool: generic
      rabbitmq:
        nodeSelector:
          cloud.google.com/gke-nodepool: generic

deploy review:
  <<: *deploy_review_template
  environment:
    name: review/$CI_COMMIT_REF_SLUG
    url: https://$CI_COMMIT_REF_SLUG$DEPLOY_DOMAIN_SUFFIX
    on_stop: undeploy review
  except:
    - master
  when: manual

deploy master:
  <<: *deploy_review_template
  environment:
    name: master
    url: https://master$DEPLOY_DOMAIN_SUFFIX
  only:
    - master
  when: manual


#################### TEST STAGE ####################

.test_template: &test_template
  stage: test
  image: $TESTS_IMAGE
  variables:
    GIT_STRATEGY: none
    MIST_URL: https://$CI_COMMIT_REF_SLUG$TEST_DEPLOY_DOMAIN_SUFFIX
    DISPLAY: ":1.0"
    REGISTER_USER_BEFORE_FEATURE: "True"
    EMAIL: thingirl.tester.mist.io+${CI_JOB_ID}@gmail.com
    IMAP_HOST: test-$CI_PROJECT_NAME-$CI_COMMIT_REF_SLUG-mailmock.test-$CI_PROJECT_NAME.svc.cluster.local
  before_script:
    - 'export TEST=$(echo "$CI_JOB_NAME" | cut -d/ -f1 | cut -d: -f2,3 | tr : /)'
    - echo "Test argument is $TEST"
    - echo "Image used is $TESTS_IMAGE"
    - echo $TEST_SETTINGS | base64 -d > test_settings.py
  dependencies: []


.api_test_template: &api_test_template
  <<: *test_template
  script:
    - /mist.tests/prepare_env.py --api -s /mist.tests/misttests/integration/api/$TEST.py

API:main:api_token: *api_test_template
API:main:clouds: *api_test_template
API:main:dns: *api_test_template
API:main:keys: *api_test_template
API:main:images: *api_test_template
API:main:libcloud_1/2: *api_test_template
API:main:libcloud_2/2: *api_test_template
API:main:machines: *api_test_template
API:main:networks: *api_test_template
API:main:schedules: *api_test_template
API:main:scripts: *api_test_template
API:main:teams: *api_test_template
API:main:ip_whitelisting: *api_test_template
API:main:volumes: *api_test_template

.API:plugin:orchestration: *api_test_template
.API:plugin:tunnels: *api_test_template


.ui_test_template: &ui_test_template
  <<: *test_template
  script:
    - /mist.tests/prepare_env.py -k --stop --tags=$TEST /mist.tests/misttests/integration/gui/core/pr/features
  artifacts:
    paths:
      - js_console.log
      - artifacts/error.png
      - artifacts/output.mp4
    expire_in: 3 days
    when: on_failure
  tags:
    - chrome

UI:clouds-add-1/2: *ui_test_template
UI:clouds-add-2/2: *ui_test_template
UI:clouds-actions: *ui_test_template
UI:keys: *ui_test_template
UI:scripts: *ui_test_template
UI:images-networks: *ui_test_template
UI:user-actions: *ui_test_template
UI:teams: *ui_test_template
UI:zones: *ui_test_template
UI:rules-1/2: *ui_test_template
UI:rules-2/2: *ui_test_template
UI:machines-1/2:
  <<: *ui_test_template
  retry: 1
UI:machines-2/2:
  <<: *ui_test_template
  retry: 1
UI:monitoring:
  <<: *ui_test_template
  retry: 1
UI:schedulers-1/2:
  <<: *ui_test_template
  retry: 1
UI:schedulers-2/2:
  <<: *ui_test_template
  retry: 1
UI:ip-whitelisting:
  <<: *ui_test_template
  only:
    - staging

.UI:rbac-1/4: *ui_test_template
.UI:rbac-2/4: *ui_test_template
.UI:rbac-3/4: *ui_test_template
.UI:rbac-4/4: *ui_test_template
.UI:orchestration: *ui_test_template
.UI:insights:
  <<: *ui_test_template
  retry: 1


#################### UNDEPLOY STAGE ####################

.undeploy_template: &undeploy_template
  stage: undeploy
  image: dtzar/helm-kubectl:2.10.0
  variables:
    GIT_STRATEGY: none
  script:
    - helm delete --purge $release
  allow_failure: true
  dependencies: []

undeploy test:
  <<: *undeploy_template
  environment:
    name: test/$CI_COMMIT_REF_SLUG
    action: stop
  variables:
    GIT_STRATEGY: none
    release: test-$CI_PROJECT_NAME-$CI_COMMIT_REF_SLUG

undeploy review:
  <<: *undeploy_template
  environment:
    name: review/$CI_COMMIT_REF_SLUG
    action: stop
  variables:
    GIT_STRATEGY: none
    release: $CI_PROJECT_NAME-$CI_COMMIT_REF_SLUG
  when: manual
  except:
    - master


#################### RELEASE STAGE ####################

release: &release_template
  when: manual
  stage: release
  image: python:2.7-alpine
  before_script:
    - apk add --update libmagic openssl
    - pip install requests python-magic
    - wget -O /usr/local/bin/submark https://github.com/dahlia/submark/releases/download/0.2.0/submark-linux-x86_64
    - chmod +x /usr/local/bin/submark
  script:
    - mkdir release
    - cp artifacts/docker-compose.yml release/docker-compose.yml
    - HEADER=$(sed -n "s/^## \($CI_BUILD_REF_NAME .*\)$/\1/p" CHANGELOG.md)
    - submark --omit-heading --h2="$HEADER" --out-file=release.md CHANGELOG.md
    - sed -i 's/^### Changes/## Changes/' release.md
    - echo >> release.md
    - sed "s/TAG/$CI_BUILD_REF_NAME/g;s/REPO/$CI_PROJECT_NAME/g" ci/release.md >> release.md
    - ./ci/release.py $RELEASE_ARGS --draft -f release/* -m @release.md mistio $CI_PROJECT_NAME $CI_BUILD_REF_NAME
  only:
    # only for references that match a version string (v1.2.3)
    - /^v\d+\.\d+\.\d+$/
  except:
    # Except branches, meaning it'll only apply to git tags
    - branches
  dependencies:
    - compose

prerelease:
  <<: *release_template
  variables:
    RELEASE_ARGS: "--prerelease"
  only:
    # only for references that match a prelease version string (v1.2.3-beta)
    - /^v\d+\.\d+\.\d+-.+$/