diff --git a/Auto-deploy-kubernetes.yml b/Auto-deploy-kubernetes.yml
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+# Explanation on the scripts:
+# https://gitlab.com/gitlab-examples/kubernetes-deploy/blob/master/README.md
+image: registry.gitlab.com/gitlab-examples/kubernetes-deploy
+
+variables:
+ # Application deployment domain
+ KUBE_DOMAIN: domain.example.com
+
+stages:
+ - build
+ - test
+ - review
+ - staging
+ - production
+ - cleanup
+
+# Define some helper functions
+.common: &common
+ |
+ set -eo pipefail
+
+ [[ "$TRACE" ]] && set -x
+
+ export CI_CONTAINER_NAME="ci_job_build_$CI_BUILD_ID"
+ export CI_REGISTRY_TAG="$CI_BUILD_REF_NAME"
+
+ create_kubeconfig() {
+ echo "Generating kubeconfig..."
+ export KUBECONFIG="$(pwd)/kubeconfig"
+ export KUBE_CLUSTER_OPTIONS=
+ if [[ -n "$KUBE_CA_PEM" ]]; then
+ echo "Using KUBE_CA_PEM..."
+ echo "$KUBE_CA_PEM" > "$(pwd)/kube.ca.pem"
+ export KUBE_CLUSTER_OPTIONS=--certificate-authority="$(pwd)/kube.ca.pem"
+ fi
+ kubectl config set-cluster gitlab-deploy --server="$KUBE_URL" $KUBE_CLUSTER_OPTIONS
+ kubectl config set-credentials gitlab-deploy --token="$KUBE_TOKEN" $KUBE_CLUSTER_OPTIONS
+ kubectl config set-context gitlab-deploy --cluster=gitlab-deploy --user=gitlab-deploy --namespace="$KUBE_NAMESPACE"
+ kubectl config use-context gitlab-deploy
+ echo ""
+ }
+
+ ensure_deploy_variables() {
+ if [[ -z "$KUBE_URL" ]]; then
+ echo "Missing KUBE_URL."
+ exit 1
+ fi
+
+ if [[ -z "$KUBE_TOKEN" ]]; then
+ echo "Missing KUBE_TOKEN."
+ exit 1
+ fi
+
+ if [[ -z "$KUBE_NAMESPACE" ]]; then
+ echo "Missing KUBE_NAMESPACE."
+ exit 1
+ fi
+
+ if [[ -z "$CI_ENVIRONMENT_SLUG" ]]; then
+ echo "Missing CI_ENVIRONMENT_SLUG."
+ exit 1
+ fi
+
+ if [[ -z "$CI_ENVIRONMENT_URL" ]]; then
+ echo "Missing CI_ENVIRONMENT_URL."
+ exit 1
+ fi
+ }
+
+ ping_kube() {
+ if kubectl version > /dev/null; then
+ echo "Kubernetes is online!"
+ echo ""
+ else
+ echo "Cannot connect to Kubernetes."
+ return 1
+ fi
+ }
+
+.auto_build: &auto_build
+ |
+ echo "Checking docker engine..."
+ if ! docker info &>/dev/null; then echo "Missing docker engine to build images."; echo "Running docker:dind locally with graph driver pointing to '/cache/docker'"
+ if ! grep -q overlay /proc/filesystems; then
+ echo "Missing overlay filesystem. Are you running recent enough kernel?"
+ exit 1
+ fi
+ if [[ ! -d /cache ]]; then
+ mkdir -p /cache
+ mount -t tmpfs tmpfs /cache
+ fi
+ dockerd --host=unix:///var/run/docker.sock --storage-driver=overlay --graph=/cache/docker & &>/docker.log
+ trap 'kill %%' EXIT
+
+ echo "Waiting for docker..."
+ for i in $(seq 1 60); do
+ if docker info &> /dev/null; then
+ break
+ fi
+ sleep 1s
+ done
+
+ if [[ "$i" == 60 ]]; then
+ echo "Failed to start docker:dind..."
+ cat /docker.log
+ exit 1
+ fi
+ echo ""
+ fi
+
+ docker rm -f "$CI_CONTAINER_NAME" &>/dev/null || true
+
+ echo "Building application..."
+
+ if [[ -f Dockerfile ]]; then
+ echo "Building Dockerfile-based application..."
+ # Build Dockerfile
+ docker build -t "$CI_REGISTRY_IMAGE:$CI_REGISTRY_TAG" .
+ else
+ # Build heroku-based application
+ echo "Building Heroku-based application using gliderlabs/herokuish docker image..."
+ docker run -i --name="$CI_CONTAINER_NAME" -v "$(pwd):/tmp/app:ro" -v "/cache/herokuish:/tmp/cache" gliderlabs/herokuish /bin/herokuish buildpack build
+ docker commit "$CI_CONTAINER_NAME" "$CI_REGISTRY_IMAGE:$CI_REGISTRY_TAG"
+ docker rm "$CI_CONTAINER_NAME" >/dev/null
+ echo ""
+
+ # Create a start command, start `web`
+ echo "Configuring $CI_REGISTRY_IMAGE:$CI_REGISTRY_TAG docker image..."
+ docker create --expose 5000 --env PORT=5000 --name="$CI_CONTAINER_NAME" "$CI_REGISTRY_IMAGE:$CI_REGISTRY_TAG" /bin/herokuish procfile start web
+ docker commit "$CI_CONTAINER_NAME" "$CI_REGISTRY_IMAGE:$CI_REGISTRY_TAG"
+ docker rm "$CI_CONTAINER_NAME" >/dev/null
+ echo ""
+ fi
+
+ if [[ -n "$CI_BUILD_TOKEN" ]]; then
+ echo "Logging to GitLab Container Registry with CI credentials..."
+ docker login -u gitlab-ci-token -p "$CI_BUILD_TOKEN" "$CI_REGISTRY"
+ echo ""
+ fi
+
+ echo "Pushing to GitLab Container Registry..."
+ docker push "$CI_REGISTRY_IMAGE:$CI_REGISTRY_TAG"
+ echo ""
+
+.auto_deploy: &auto_deploy
+ |
+ CI_ENVIRONMENT_HOSTNAME="${CI_ENVIRONMENT_URL}"
+ CI_ENVIRONMENT_HOSTNAME="${CI_ENVIRONMENT_HOSTNAME/http:\/\//}"
+ CI_ENVIRONMENT_HOSTNAME="${CI_ENVIRONMENT_HOSTNAME/https:\/\//}"
+
+ echo ciEnvironmentSlug=$CI_ENVIRONMENT_SLUG,ciPipelineID=\\"$CI_PIPELINE_ID\\",ciBuildID=\\"$CI_BUILD_ID\\",ciEnvironmentHostname=$CI_ENVIRONMENT_HOSTNAME,ciRegistryImage=$CI_REGISTRY_IMAGE,ciRegistryTag=$CI_REGISTRY_TAG
+
+ echo "Creating/upgrading release"
+ helm upgrade --wait -i $CI_PROJECT_NAME-$CI_PROJECT_ID-$CI_ENVIRONMENT_SLUG --namespace $KUBE_NAMESPACE --set ciEnvironmentSlug=$CI_ENVIRONMENT_SLUG,ciPipelineID=\\"$CI_PIPELINE_ID\\",ciBuildID=\\"$CI_BUILD_ID\\",ciEnvironmentHostname=$CI_ENVIRONMENT_HOSTNAME,ciRegistryImage=$CI_REGISTRY_IMAGE,ciRegistryTag=$CI_REGISTRY_TAG gitlab/auto-deploy-app
+
+ echo "Application is accessible at: ${CI_ENVIRONMENT_URL}"
+ echo ""
+
+.auto_destroy: &auto_destroy
+ |
+ create_kubeconfig
+
+ echo "Removing app..."
+ helm delete --purge $CI_PROJECT_NAME-$CI_PROJECT_ID-$CI_ENVIRONMENT_SLUG
+
+before_script:
+ - *common
+
+build:
+ stage: build
+ script:
+ - *auto_build
+ only:
+ - branches
+
+production:
+ stage: production
+ variables:
+ CI_ENVIRONMENT_URL: http://$CI_PROJECT_NAME.$KUBE_DOMAIN
+ script:
+ - *auto_deploy
+ environment:
+ name: production
+ url: http://$CI_PROJECT_NAME.$KUBE_DOMAIN
+ when: manual
+ only:
+ - master
+
+staging:
+ stage: staging
+ variables:
+ CI_ENVIRONMENT_URL: http://$CI_PROJECT_NAME-staging.$KUBE_DOMAIN
+ script:
+ - *auto_deploy
+ environment:
+ name: staging
+ url: http://$CI_PROJECT_NAME-staging.$KUBE_DOMAIN
+ only:
+ - master
+
+review:
+ stage: review
+ variables:
+ CI_ENVIRONMENT_URL: http://$CI_PROJECT_NAME-$CI_ENVIRONMENT_SLUG.$KUBE_DOMAIN
+ before_script:
+ - *common
+ - apk update && apk add curl bash openssl sudo
+ - curl https://raw.githubusercontent.com/kubernetes/helm/master/scripts/get | bash
+ - ensure_deploy_variables
+ - create_kubeconfig
+ - helm init --upgrade
+ - helm repo add gitlab https://charts.gitlab.io
+ script:
+ - *auto_deploy
+ environment:
+ name: review/$CI_BUILD_REF_SLUG
+ url: http://$CI_PROJECT_NAME-$CI_ENVIRONMENT_SLUG.$KUBE_DOMAIN
+ on_stop: stop_review
+ only:
+ - branches
+ except:
+ - master
+
+stop_review:
+ stage: cleanup
+ variables:
+ GIT_STRATEGY: none
+ before_script:
+ - *common
+ - apk update && apk add curl bash openssl sudo
+ - curl https://raw.githubusercontent.com/kubernetes/helm/master/scripts/get | bash
+ - ensure_deploy_variables
+ - create_kubeconfig
+ - helm init --client-only
+ script:
+ - *auto_destroy
+ environment:
+ name: review/$CI_BUILD_REF_SLUG
+ action: stop
+ when: manual
+ only:
+ - branches
+ except:
+ - master