.gitlab-ci.yml

image: docker:git

services:
  - docker:dind

stages:
  - build
  - deploy

variables:
  PROJECT_NAME: "web"

before_script:
  - |
    export TAG_NAME=$([ ! -z $CI_COMMIT_TAG ] && echo "$CI_COMMIT_TAG" || echo "$(echo $CI_BUILD_REF|head -c 7)")
    export REGISTRY_IMAGE="registry.gitlab.com/$(echo $CI_PROJECT_PATH | awk '{print tolower($0)}')/${PROJECT_NAME}"
    export K8S_ENVIRONMENT="test"

build:
  only:
    - pushes
  #    - merge_requests
  stage: build
  script:
    - |
      docker login -u gitlab-ci-token -p $CI_BUILD_TOKEN registry.gitlab.com
      docker build --label build-ref=$CI_BUILD_REF --label build-branch=$CI_BUILD_REF_NAME -t "$REGISTRY_IMAGE:$TAG_NAME" .
      docker push "$REGISTRY_IMAGE:$TAG_NAME"

deploy:
  image:
    name: lachlanevenson/k8s-kubectl:v1.16.2
    entrypoint: ["/bin/sh", "-c"]
  stage: deploy
  only:
    - master
  dependencies:
    - build
  environment:
    name: test
  script: |
    K8S_HOST=$(echo $K8S_HOST | base64 -d)

    sed -i "s|__REGISTRY_IMAGE__|${REGISTRY_IMAGE}|" .kube/deployment.yaml
    sed -i "s|__APP_NAME__|${PROJECT_NAME}|" .kube/deployment.yaml
    sed -i "s|__ENVIRONMENT__|${K8S_ENVIRONMENT}|" .kube/deployment.yaml
    sed -i "s|__HOST__|${K8S_HOST}|" .kube/deployment.yaml
    sed -i "s|__NAMESPACE__|${K8S_NAMESPACE}|" .kube/deployment.yaml
    sed -i "s|__REGISTRY_VERSION__|${TAG_NAME}|" .kube/deployment.yaml

    echo $K8S_KUBECONFIG | base64 -d > .kube/config.yaml
    kubectl --kubeconfig=.kube/config.yaml apply -f .kube/deployment.yaml

#deploy_pr:
#  image:
#    name: lachlanevenson/k8s-kubectl:v1.16.2
#    entrypoint: ["/bin/sh", "-c"]
#  stage: deploy
#  only:
#    - merge_requests
#  environment:
#    name: test
#  dependencies:
#    - build
#  when: manual
#  script: |
#    K8S_HOST=$(echo $K8S_HOST | base64 -d)
#    echo "CI_MERGE_REQUEST_IID=$CI_MERGE_REQUEST_IID"
#    if [ "$CI_MERGE_REQUEST_IID" != "" ]; then
#      K8S_HOST="pull-${CI_MERGE_REQUEST_IID}.${K8S_HOST}"
#      PROJECT_NAME="${PROJECT_NAME}-pull-${CI_MERGE_REQUEST_IID}"
#    fi
#
#    sed -i "s|__REGISTRY_IMAGE__|${REGISTRY_IMAGE}|" .kube/deployment.yaml
#    sed -i "s|__APP_NAME__|${PROJECT_NAME}|" .kube/deployment.yaml
#    sed -i "s|__ENVIRONMENT__|${K8S_ENVIRONMENT}|" .kube/deployment.yaml
#    sed -i "s|__HOST__|${K8S_HOST}|" .kube/deployment.yaml
#    sed -i "s|__NAMESPACE__|${K8S_NAMESPACE}|" .kube/deployment.yaml
#    sed -i "s|__REGISTRY_VERSION__|${TAG_NAME}|" .kube/deployment.yaml
#
#    echo $K8S_KUBECONFIG | base64 -d > .kube/config.yaml
#    kubectl --kubeconfig=.kube/config.yaml apply -f .kube/deployment.yaml