How to create oauth2 client ids programmatically in GCloud?

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To create OAuth2 client IDs programmatically in GCloud, you can use the Cloud IAM API. Here are the steps:

1. Create a project in the GCloud Console, or use an existing one.
2. Enable the Cloud IAM API by going to the API Library in the GCloud Console, and searching for "IAM". Click on the API, then click "Enable".
3. Create a service account that will be used to authenticate your API requests. Go to the IAM & admin page in the GCloud Console, and click "Service accounts". Create a new service account, and download the JSON key file.
4. Install the Google APIs client library for your preferred programming language.
5. Use the client library to authenticate using the service account key file, and make requests to the IAM API endpoints to create the OAuth2 client ID.

Here's some sample Python code that creates a OAuth2 client ID:

from google.oauth2 import service_account
from googleapiclient.discovery import build

# Replace with your project ID and service account file name
PROJECT_ID = 'your-project-id'
SERVICE_FILE = 'path/to/service-account-file.json'

# Authenticate using the service account credentials
creds = service_account.Credentials.from_service_account_file(SERVICE_FILE)

# Build the IAM API client
iam = build('iam', 'v1', credentials=creds)

# Define the OAuth2 client ID properties
client_id = {
    'name': 'projects/{}/oauth2ClientIds/{}'.format(PROJECT_ID, 'my-client-id'),
    'clientId': 'my-client-id',
    'description': 'My OAuth2 client ID',
    'authorizedRedirectUris': ['https://my-app.com/oauth2/callback'],
    'type': 'WEB'
}

# Call the IAM API to create the OAuth2 client ID
result = iam.projects().oauth2ClientIds().create(parent='projects/{}'.format(PROJECT_ID), body=client_id).execute()

print(result)