How to run a Google Cloud Build trigger via cli / rest api / cloud functions?

Is there such an option? My use case would be running a trigger for a production build (deploys to production). Ideally, that trigger doesn't need to listen to any change since it is invoked manually via chatbot.

I saw this video CI/CD for Hybrid and Multi-Cloud Customers (Cloud Next '18) announcing there's an API trigger support, I'm not sure if that's what I need.

4 Answers
4

you can trigger a function via

gcloud functions call NAME --data 'THING'

inside your function you can do pretty much anything possibile within Googles Public API's

if you just want to directly trigger Google Cloud Builder from git then its probably advisable to use Release version tags - so your chatbot might add a release tag to your release branch in git at which point cloud-builder will start the build.

more info here https://cloud.google.com/cloud-build/docs/running-builds/automate-builds

If you just want to create a function that you can invoke directly, you have two choices:

The first is the more common approach, as you are effectively creating a web API that any client can call with an HTTP library of their choice.

I did same thing few days ago.

You can submit your builds using gcloud and rest api

gcloud:

gcloud builds submit --no-source --config=cloudbuild.yaml --async --format=json


Rest API:

Send you cloudbuild.yaml as JSON with Auth Token to this url https://cloudbuild.googleapis.com/v1/projects/standf-188123/builds?alt=json

https://cloudbuild.googleapis.com/v1/projects/standf-188123/builds?alt=json

example cloudbuild.yaml:

steps:

- name: 'gcr.io/cloud-builders/docker'
id: Docker Version
args: ["version"]

- name: 'alpine'
id: Hello Cloud Build
args: ["echo", "Hello Cloud Build"]


example rest_json_body:

"steps": ["args": ["version"], "id": "Docker Version", "name": "gcr.io/cloud-builders/docker", "args": ["echo", "Hello Cloud Build"], "id": "Hello Cloud Build", "name": "alpine"]


You should be able to manually trigger a build using curl and a json payload.
For details see: https://cloud.google.com/cloud-build/docs/running-builds/start-build-manually#running_builds.

Given that, you could write a Python Cloud function to replicate the curl call via the requests module.

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