Cloud Function to Update Cloud Run Services

index.js

const request = require("request");

// Main function called by Cloud Functions trigger.
module.exports.updateCloudRunServices = (event, callback) => {
  const build = eventToBuild(event.data);

  // Check if push is to Dashboard source Code repo and if Cloud Build is successful
  if (build.hasOwnProperty("source")) {
    if (
      build.source.repoSource.repoName === "dashboard" &&
      build.status == "SUCCESS"
    ) {
      updateDashboardRevisions();
    }
  }
};

const updateDashboardRevisions = () => {
  let servicesListOption = {
    method: "GET",
    url:
      "https://run.googleapis.com/v1alpha1/projects/mercuriemart/locations/us-central1/services",
    headers: {
      Authorization: `Bearer ${token}`, // @TODO: Ensure you pass your GCP API *token*
      "Content-Type": "application/json"
    }
  };

  // Get Cloud Run Services List
  request(servicesListOption, function(error, response, body) {
    if (error) throw new Error(error);

    const services = JSON.parse(body);

    let deploySteps = [];

    // Iterate Through Services
    services.items.forEach(element => {
      let serviceName = element.metadata.name;
      if (
        element.metadata.annotations.hasOwnProperty(
          "client.knative.dev/user-image"
        )
      ) {
        // Filter service based on Image and create new Build
        if (
          element["metadata"]["annotations"]["client.knative.dev/user-image"] ==
          "gcr.io/project/dashboard:latest"
        ) {
          deploySteps.push({
            // Deploy New Revision to Service
            name: "gcr.io/cloud-builders/gcloud",
            args: [
              "beta",
              "run",
              "deploy",
              `${serviceName}`,
              "--image",
              "gcr.io/project/dashboard:latest",
              "--region",
              "us-central1",
              "--allow-unauthenticated",
              "--platform",
              "managed"
            ]
          });
        }
      }
    });

    // Update Cloud Run Services
    let options = {
      method: "POST",
      url: "https://cloudbuild.googleapis.com/v1/projects/mercuriemart/builds",
      headers: {
        "cache-control": "no-cache",
        Authorization: `Bearer ${token}`, // @TODO: Ensure you pass your GCP API *token*
        "Content-Type": "application/json"
      },
      body: {
        steps: deploySteps,
        timeout: "1200s"
      },
      json: true
    };

    // Cloud Build Request to Deploy Revisions across Cloud Run Services
    request(options, function(error, response, body) {
      if (error) throw new Error(error);

      console.log(body);
    });
  });
};

package.json

{
    "name": "updateRevisions",
    "version": "0.0.1",
    "description": "Update Cloud Run Services",
    "main": "index.js",
    "dependencies": {
      "request": "^2.88.0"
    }
  }