Triggering a Cloud Function with Cloud Build

1. From the Google Cloud console's main navigation, visit APIs & Services > Library to enable the following services:
   • Cloud Functions
   • Source Repositories
   • Cloud Build
   • Cloud Resource Manager API

1. Activate a Cloud Shell.

2. Create a Source Repository:

   gcloud source repos create gcpro_repo
   

3. Clone the repository to the shell:

   gcloud source repos clone gcpro_repo
   

4. Clone repository from GitHub:

   git clone https://github.com/linuxacademy/content-gcpro-developer
   

5. Copy files to shell repo:

   cp content-gcpro-developer/cicd-lab/* gcpro_repo
   

   cd gcpro_repo
   

1. Use the following commands to commit the files in the shell repo to the newly created Source Repository:

   git remote add google https://source.developers.google.com/p/[PROJECT_ID]/r/gcpro_repo
   git add .
   git config --global user.email "[EMAIL_ADDRESS]"
   git config --global user.name "[NAME]"
   git commit -m "Initial Commit"
   git push --all google
   

2. Visit the Source Repositories dashboard and click gcpro_repo to confirm the files.

1. From the main navigation, go to Cloud Functions.
2. Choose Create function.
3. Configure your function with the following values:
   • Environment: 1st gen
   • Name: repo-function-1
   • Trigger: HTTP
   • Authentication: Allow unauthenticated invocations
   • Click Save
   • Under Runtime, build, connections and security settings:
     • Maximum number of instances: 1
   • Click Next
   • Source Code: Cloud Source repository
   • Runtime: Python 3.7
   • Repository: gcpro_repo
   • Entry point: greetings_http
4. Leave all other fields with their default values and click Deploy.
5. Once the function spins up, click to open it.
6. Select the Trigger tab, and click the listed URL. It will open a new window with the default greeting.
7. Back in the GCP console, click the Testing tab.
8. In the Triggering window, enter

{"name":"<YOUR_NAME>"}

11. Click Test the function.
12. In the Output box, note the results.

1. From the navigation, go to Cloud Build > Settings.
2. In the Service Account Permissins section, change the status of the Cloud Functions Developer role to Enabled.
3. In the Additional steps may be required dialog, choose Grant Access to All Service Accounts.
4. Note that the status of the Service Account User role has changed to Enabled.

1. From the side navigation of the Cloud Build console, go to Triggers.
2. Click Create trigger.
3. Set the following values:
   • Repository: gcpro_repo.
   • Name: trigger-1
   • Build configuration: Cloud Build configuration file (yaml or json)
     • Make sure Cloud Build configuration file location autopopulates with / cloudbuild.yaml.
4. Leave all other fields with their default values, and click Create.

1. From the Cloud Build Triggers page, click the Run Trigger option associated with the newly defined trigger.
2. Test the trigger by using the Cloud Shell editor to alter the main.py file and pushing to the Source Repository.
3. Visit Cloud Build > History and, if necessary, refresh the page to confirm the new build.