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add gitlab-ci; travis-ci to deploy on GKE, Heroku
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‎.gitlab-ci.yml

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image: docker:latest
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#
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services:
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- docker:dind
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variables:
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# # see https://gitlab.com/gitlab-org/gitlab-ce/issues/17861#note_12991518
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DOCKER_DRIVER: overlay
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stages:
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- build
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- test
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- deploy
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variables:
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HEROKU_USER_NAME: _
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HEROKU_REGISTRY: registry.heroku.com
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build-verify:
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image: docker:latest
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stage: build
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before_script:
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- apk add --no-cache py-pip
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- pip install docker-compose
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- docker-compose --version
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# convert / to -, remove # character from docker tag name to make it a valid name
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- export IMG_TAG=`if [ "$CI_BUILD_REF_NAME" == "master" ]; then echo "latest"; else echo $CI_BUILD_REF_NAME | sed -e 's/[\/]/-/g' | sed -e 's/[\#]//g'; fi`
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- export DOCKER_IMAGE_PROD=$CI_REGISTRY_IMAGE:$IMG_TAG
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- docker login -u "gitlab-ci-token" -p "$CI_BUILD_TOKEN" $CI_REGISTRY
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- export CI_BUILD_TIME=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
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script:
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# build
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- docker-compose -f docker-compose.prod.yml build --pull prod
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- docker push $DOCKER_IMAGE_PROD
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deploy-gcp-staging:
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image: teracy/google-cloud-sdk
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stage: deploy
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before_script:
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# convert / to -, remove # character from docker tag name to make it a valid name
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- export IMG_TAG=`if [ "$CI_BUILD_REF_NAME" == "master" ]; then echo "latest"; else echo $CI_BUILD_REF_NAME | sed -e 's/[\/]/-/g' | sed -e 's/[\#]//g'; fi`
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- export DOCKER_IMAGE_PROD=$CI_REGISTRY_IMAGE:$IMG_TAG
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- export GCP_ACCOUNT=$GCP_ACCOUNT_STAGING
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- export GCP_PROJECT_ID=$GCP_PROJECT_ID_STAGING
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- export GCP_ZONE=$GCP_ZONE_STAGING
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- export GCP_CLUSTER_NAME=$GCP_CLUSTER_NAME_STAGING
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- export HELM_RELEASE_NAME=$IMG_TAG-${HELM_PROJECT_NAMESPACE:-$CI_PROJECT_NAMESPACE}-nhw
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- export HELM_CHART=helm-charts/nodejs-hello-world
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- export HELM_IMAGE_REPOSITORY=$CI_REGISTRY_IMAGE
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- export HELM_IMAGE_TAG=$IMG_TAG
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- export HELM_IMAGE_PULL_POLICY=Always
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- export HELM_IMAGE_LAST_DEPLOYED=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
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#- docker login -u "gitlab-ci-token" -p "$CI_BUILD_TOKEN" $CI_REGISTRY
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- echo $GCP_KEY_FILE_STAGING | base64 --decode > /tmp/gcp_key_file.json
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script:
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- sh scripts/setup_gcp.sh
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- sh scripts/deploy_gcp.sh
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after_script:
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- rm /tmp/gcp_key_file.json
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environment: staging
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only:
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- develop
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allow_failure: true # for downstream failure
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when: on_success
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deploy-gcp-prod:
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image: teracy/google-cloud-sdk
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stage: deploy
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before_script:
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# convert / to -, remove # character from docker tag name to make it a valid name
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- export IMG_TAG=`if [ "$CI_BUILD_REF_NAME" == "master" ]; then echo "latest"; else echo $CI_BUILD_REF_NAME | sed -e 's/[\/]/-/g' | sed -e 's/[\#]//g'; fi`
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- export DOCKER_IMAGE_PROD=$CI_REGISTRY_IMAGE:$IMG_TAG
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- export GCP_ACCOUNT=$GCP_ACCOUNT_PROD
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- export GCP_PROJECT_ID=$GCP_PROJECT_ID_PROD
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- export GCP_ZONE=$GCP_ZONE_PROD
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- export GCP_CLUSTER_NAME=$GCP_CLUSTER_NAME_PROD
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- export HELM_RELEASE_NAME=$IMG_TAG-${HELM_PROJECT_NAMESPACE:-$CI_PROJECT_NAMESPACE}-nhw
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- export HELM_CHART=helm-charts/nodejs-hello-world
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- export HELM_IMAGE_REPOSITORY=$CI_REGISTRY_IMAGE
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- export HELM_IMAGE_TAG=$IMG_TAG
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- export HELM_IMAGE_PULL_POLICY=Always
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- export HELM_IMAGE_LAST_DEPLOYED=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
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#- docker login -u "gitlab-ci-token" -p "$CI_BUILD_TOKEN" $CI_REGISTRY
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- echo $GCP_KEY_FILE_PROD | base64 --decode > /tmp/gcp_key_file.json
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script:
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- sh scripts/setup_gcp.sh
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- sh scripts/deploy_gcp.sh
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after_script:
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- rm /tmp/gcp_key_file.json
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environment: prod
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only:
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- master
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allow_failure: true # for downstream failure
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when: on_success
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deploy-heroku-staging:
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stage: deploy
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before_script:
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# convert / to -, remove # character from docker tag name to make it a valid name
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- export IMG_TAG=`if [ "$CI_BUILD_REF_NAME" == "master" ]; then echo "latest"; else echo $CI_BUILD_REF_NAME | sed -e 's/[\/]/-/g' | sed -e 's/[\#]//g'; fi`
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- export DOCKER_IMAGE=$CI_REGISTRY_IMAGE:$IMG_TAG
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- export HEROKU_IMAGE=$HEROKU_REGISTRY/$HEROKU_APP_NAME_STAGING/web
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- docker login -u "gitlab-ci-token" -p "$CI_BUILD_TOKEN" $CI_REGISTRY
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script:
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- echo "login into Heroku Docker registry"
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- docker login -u "$HEROKU_USER_NAME" -p "$HEROKU_API_KEY_STAGING" $HEROKU_REGISTRY
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- sh scripts/deploy_heroku.sh
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environment: staging
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only:
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- develop
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allow_failure: true # for downstream failure
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when: on_success
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deploy-heroku-prod:
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stage: deploy
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before_script:
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# convert / to -, remove # character from docker tag name to make it a valid name
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- export IMG_TAG=`if [ "$CI_BUILD_REF_NAME" == "master" ]; then echo "latest"; else echo $CI_BUILD_REF_NAME | sed -e 's/[\/]/-/g' | sed -e 's/[\#]//g'; fi`
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- export DOCKER_IMAGE=$CI_REGISTRY_IMAGE:$IMG_TAG
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- export HEROKU_IMAGE=$HEROKU_REGISTRY/$HEROKU_APP_NAME_PROD/web
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- docker login -u "gitlab-ci-token" -p "$CI_BUILD_TOKEN" $CI_REGISTRY
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script:
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- docker login -u "$HEROKU_USER_NAME" -p "$HEROKU_API_KEY_PROD" $HEROKU_REGISTRY
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- sh scripts/deploy_heroku.sh
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environment: prod
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only:
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- master
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allow_failure: true # for downstream failure
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when: on_success

‎.travis.yml

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sudo: required
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services:
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- docker
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env:
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global:
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CI_BUILD_TIME: $(date -u +"%Y-%m-%dT%H:%M:%SZ")
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CI_BUILD_ID: $TRAVIS_BUILD_ID
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CI_BUILD_REF: $TRAVIS_COMMIT
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CI_BUILD_REF_NAME: $TRAVIS_BRANCH
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CI_BUILD_NUMBER: $TRAVIS_BUILD_NUMBER
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CI_BUILDER: travis-ci
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CI_PROJECT_NAME: $TRAVIS_REPO_SLUG
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HEROKU_USER_NAME: _
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HEROKU_REGISTRY: registry.heroku.com
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before_install:
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# install the latest docker and docker-compose versions
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- sudo apt-get remove docker docker-engine
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- sudo curl -sSL https://get.docker.com/ | sh
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- sudo rm /usr/local/bin/docker-compose
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# the latest docker-compose version
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- export DOCKER_COMPOSE_VERSION=$(curl -s https://api.github.com/repos/docker/compose/releases/latest | grep 'tag_name' | cut -d\" -f4)
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- curl -L https://github.com/docker/compose/releases/download/${DOCKER_COMPOSE_VERSION}/docker-compose-`uname -s`-`uname -m` > docker-compose
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- chmod +x docker-compose
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- sudo mv docker-compose /usr/local/bin
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- docker --version
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- docker-compose --version
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# install google-cloud-sdk
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# clean up existing gcloud pre-installed by travis-ci
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- sudo rm -rf /usr/bin/git-credential-gcloud.sh /usr/bin/bq /usr/bin/gcloud /usr/bin/gsutil
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# Make sure gcloud command is on our PATH
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- export PATH=$PATH:${HOME}/google-cloud-sdk/bin
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- export CLOUDSDK_CORE_DISABLE_PROMPTS=1
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# If the SDK is not already cached, download it and unpack it
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- if [ ! -d ${HOME}/google-cloud-sdk ]; then
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curl https://sdk.cloud.google.com | bash;
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fi
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- gcloud version
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- gcloud components install kubectl
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# install helm
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- curl https://raw.githubusercontent.com/kubernetes/helm/master/scripts/get | bash
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- helm version --client
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before_script:
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- export CI_REGISTRY_IMAGE=$DOCKER_USER/$DOCKER_REPO
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- export IMG_TAG=`if [ "$TRAVIS_BRANCH" == "master" ]; then echo "latest"; else echo $TRAVIS_BRANCH | sed -e 's/[\/]/-/g' | sed -e 's/[\#]//g'; fi`
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- export DOCKER_IMAGE_PROD=$CI_REGISTRY_IMAGE:$IMG_TAG
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- export CI_PROJECT_NAMESPACE=`echo $CI_PROJECT_NAME | cut -d"/" -f1`;
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script:
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- docker-compose -f docker-compose.prod.yml build --pull prod;
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after_success:
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- docker login -u=$DOCKER_USERNAME -p=$DOCKER_PASSWORD
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- docker push $DOCKER_IMAGE_PROD
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- if [[ "$TRAVIS_BRANCH" == "develop" ]]; then
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export GCP_PROJECT_ID=$GCP_PROJECT_ID_STAGING;
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export GCP_ZONE=$GCP_ZONE_STAGING;
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export GCP_CLUSTER_NAME=$GCP_CLUSTER_NAME_STAGING;
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export HELM_RELEASE_NAME=$IMG_TAG-${HELM_PROJECT_NAMESPACE:-$CI_PROJECT_NAMESPACE}-nhw;
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export HELM_CHART=helm-charts/nodejs-hello-world;
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export HELM_IMAGE_REPOSITORY=$CI_REGISTRY_IMAGE;
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export HELM_IMAGE_TAG=$IMG_TAG;
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export HELM_IMAGE_PULL_POLICY=Always;
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export HELM_IMAGE_LAST_DEPLOYED=$(date -u +"%Y-%m-%dT%H:%M:%SZ");
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echo $GCP_KEY_FILE_STAGING | base64 --decode > /tmp/gcp_key_file.json;
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export DOCKER_IMAGE=$DOCKER_IMAGE_PROD;
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export HEROKU_IMAGE=$HEROKU_REGISTRY/$HEROKU_APP_NAME_STAGING/web;
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export HEROKU_API_KEY=$HEROKU_API_KEY_STAGING;
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fi
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- if [[ "$TRAVIS_BRANCH" == "master" ]]; then
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export GCP_PROJECT_ID=$GCP_PROJECT_ID_PROD;
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export GCP_ZONE=$GCP_ZONE_PROD;
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export GCP_CLUSTER_NAME=$GCP_CLUSTER_NAME_PROD;
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export HELM_RELEASE_NAME=$IMG_TAG-${HELM_PROJECT_NAMESPACE:-$CI_PROJECT_NAMESPACE}-nhw;
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export HELM_CHART=helm-charts/nodejs-hello-world;
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export HELM_IMAGE_REPOSITORY=$CI_REGISTRY_IMAGE;
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export HELM_IMAGE_TAG=$IMG_TAG;
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export HELM_IMAGE_PULL_POLICY=Always;
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export HELM_IMAGE_LAST_DEPLOYED=$(date -u +"%Y-%m-%dT%H:%M:%SZ");
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echo $GCP_KEY_FILE_PROD | base64 --decode > /tmp/gcp_key_file.json;
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export DOCKER_IMAGE=$DOCKER_IMAGE_PROD;
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export HEROKU_IMAGE=$HEROKU_REGISTRY/$HEROKU_APP_NAME_PROD/web;
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export HEROKU_API_KEY=$HEROKU_API_KEY_PROD;
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fi
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- if [[ "$TRAVIS_BRANCH" == "master" ]] || [[ "$TRAVIS_BRANCH" == "develop" ]]; then
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sh scripts/setup_gcp.sh;
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sh scripts/deploy_gcp.sh;
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docker login -u "$HEROKU_USER_NAME" -p "$HEROKU_API_KEY" $HEROKU_REGISTRY;
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sh scripts/deploy_heroku.sh;
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fi
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- rm -rf /tmp/gcp_key_file.json

‎helm-charts/nodejs-hello-world/.helmignore

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# Patterns to ignore when building packages.
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# This supports shell glob matching, relative path matching, and
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# negation (prefixed with !). Only one pattern per line.
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.DS_Store
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# Common VCS dirs
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.git/
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.gitignore
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.bzr/
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.bzrignore
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.hg/
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.hgignore
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.svn/
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# Common backup files
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*.swp
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*.bak
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*.tmp
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*~
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# Various IDEs
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.project
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.idea/
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*.tmproj

‎helm-charts/nodejs-hello-world/Chart.yaml

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apiVersion: v1
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description: A Helm chart for Kubernetes
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name: nodejs-hello-world
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version: 0.1.0

‎helm-charts/nodejs-hello-world/templates/NOTES.txt

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1. Get the application URL by running these commands:
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{{- if .Values.ingress.hostname }}
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http://{{- .Values.ingress.hostname }}
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{{- else if contains "NodePort" .Values.service.type }}
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export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ template "fullname" . }})
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export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
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echo http://$NODE_IP:$NODE_PORT
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{{- else if contains "LoadBalancer" .Values.service.type }}
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NOTE: It may take a few minutes for the LoadBalancer IP to be available.
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You can watch the status of by running 'kubectl get svc -w {{ template "fullname" . }}'
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export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ template "fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
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echo http://$SERVICE_IP:{{ .Values.service.externalPort }}
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{{- else if contains "ClusterIP" .Values.service.type }}
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export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app={{ template "name" . }},release={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
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echo "Visit http://127.0.0.1:8080 to use your application"
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kubectl port-forward $POD_NAME 8080:{{ .Values.service.externalPort }}
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{{- end }}

‎helm-charts/nodejs-hello-world/templates/_helpers.tpl

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{{/* vim: set filetype=mustache: */}}
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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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*/}}
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{{- define "fullname" -}}
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{{- $name := default .Chart.Name .Values.nameOverride -}}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
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{{- end -}}

‎helm-charts/nodejs-hello-world/templates/deployment.yaml

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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: {{ template "fullname" . }}
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labels:
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app: {{ template "name" . }}
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chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
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release: {{ .Release.Name }}
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heritage: {{ .Release.Service }}
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spec:
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replicas: {{ .Values.replicaCount }}
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template:
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metadata:
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labels:
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app: {{ template "name" . }}
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release: {{ .Release.Name }}
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spec:
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containers:
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- name: {{ .Chart.Name }}
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image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
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imagePullPolicy: {{ .Values.image.pullPolicy }}
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env:
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- name: PORT
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value: {{ .Values.service.internalPort | quote }}
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# for rolling updates without downtime
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# see: https://github.com/kubernetes/kubernetes/issues/33664#issuecomment-292895327
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- name: LAST_DEPLOYED
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value: {{ .Values.image.lastDeployed | quote }}
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ports:
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- containerPort: {{ .Values.service.internalPort }}
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livenessProbe:
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httpGet:
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path: /
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port: {{ .Values.service.internalPort }}
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readinessProbe:
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httpGet:
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path: /
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port: {{ .Values.service.internalPort }}
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resources:
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{{ toYaml .Values.resources | indent 12 }}
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{{- if .Values.nodeSelector }}
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nodeSelector:
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{{ toYaml .Values.nodeSelector | indent 8 }}
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{{- end }}
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imagePullSecrets:
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- name: registry.gitlab.com

‎helm-charts/nodejs-hello-world/templates/ingress.yaml

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{{- if .Values.ingress.enabled -}}
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{{- $serviceName := include "fullname" . -}}
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{{- $servicePort := .Values.service.externalPort -}}
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apiVersion: extensions/v1beta1
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kind: Ingress
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metadata:
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name: {{ template "fullname" . }}
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labels:
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app: {{ template "name" . }}
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chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
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release: {{ .Release.Name }}
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heritage: {{ .Release.Service }}
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annotations:
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{{- range $key, $value := .Values.ingress.annotations }}
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{{ $key }}: {{ $value | quote }}
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{{- end }}
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spec:
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rules:
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{{- range $host := .Values.ingress.hosts }}
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- host: {{ $host }}
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http:
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paths:
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- path: /
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backend:
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serviceName: {{ $serviceName }}
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servicePort: {{ $servicePort }}
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{{- end -}}
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{{- if .Values.ingress.tls }}
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tls:
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{{ toYaml .Values.ingress.tls | indent 4 }}
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{{- end -}}
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{{- end -}}

‎helm-charts/nodejs-hello-world/templates/service.yaml

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apiVersion: v1
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kind: Service
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metadata:
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name: {{ template "fullname" . }}
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labels:
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app: {{ template "name" . }}
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chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
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release: {{ .Release.Name }}
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heritage: {{ .Release.Service }}
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spec:
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type: {{ .Values.service.type }}
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ports:
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- port: {{ .Values.service.externalPort }}
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targetPort: {{ .Values.service.internalPort }}
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protocol: TCP
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name: {{ .Values.service.name }}
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selector:
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app: {{ template "name" . }}
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release: {{ .Release.Name }}

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