baNnmSnG

1steps:
2# slack deployment status
3- name: 'gcr.io/cloud-builders/curl'
4  args: [ '-X', 'POST', '-H', 'Content-type: application/json', '--data', 
5          '{"text":"`gcr.io/$PROJECT_ID/$_DEPLOYMENT:$BRANCH_NAME$TAG_NAME` build started!"}', '${_WEBHOOK_URL}' ]
6
7# build docker image
8- name: 'gcr.io/cloud-builders/docker'
9  args: [ 'build', '--build-arg', 'TOKEN=${_OAUTH_TOKEN}', 
10          '-t', 'gcr.io/$PROJECT_ID/$_DEPLOYMENT:$BRANCH_NAME$TAG_NAME', '.' ]
11
12# push docker image to the repository
13- name: 'gcr.io/cloud-builders/docker'
14  args: [ 'push', 'gcr.io/$PROJECT_ID/$_DEPLOYMENT:$BRANCH_NAME$TAG_NAME' ]
15
16# patch kubernetes deployment to trigger rolling update
17- name: 'gcr.io/cloud-builders/kubectl'
18  args: [ 'patch', 'deployment', '${_DEPLOYMENT}', '-n', '${_NAMESPACE}', '-p',
19          '{"spec": {"template": {"metadata": {"annotations": {"build":"$BUILD_ID"}}, "spec": {"initContainers": [{"name": "app","image": "gcr.io/$PROJECT_ID/$_DEPLOYMENT:$BRANCH_NAME$TAG_NAME"}]}}}}' ]
20  env:
21  # required K8s cluster env variables
22  - 'CLOUDSDK_COMPUTE_ZONE=${_K8S_ZONE}'
23  - 'CLOUDSDK_CONTAINER_CLUSTER=${_K8S_CLUSTER}'
24
25# check rolling deployment status
26- name: 'gcr.io/cloud-builders/kubectl'
27  args: [ '-n', '${_NAMESPACE}', 'rollout', 'status', 'deploy/${_DEPLOYMENT}' ]
28  env:
29  # required K8s cluster env variables
30  - 'CLOUDSDK_COMPUTE_ZONE=${_K8S_ZONE}'
31  - 'CLOUDSDK_CONTAINER_CLUSTER=${_K8S_CLUSTER}'
32
33# slack deployment status
34- name: 'gcr.io/cloud-builders/curl'
35  args: [ '-X', 'POST', '-H', 'Content-type: application/json', '--data', 
36          '{"text":"${_DEPLOYMENT} deployment completed!"}', '${_WEBHOOK_URL}' ]
37
38# store artifact
39images: ['gcr.io/$PROJECT_ID/$_DEPLOYMENT:$BRANCH_NAME$TAG_NAME']
40
41# arguments
42substitutions:
43    _K8S_ZONE:      us-central1-a   # K8s zone
44    _K8S_CLUSTER:   cluster_name    # K8s cluster name
45    _NAMESPACE:     default         # K8s namespace
46    _DEPLOYMENT:    deployment_name # K8s deployment name
47    _WEBHOOK_URL:   slack_notification_webhook  # slack notifications
48    _OAUTH_TOKEN:   composer_github_oauth_token # access to private code repos