google.py 文件源码

def get_gcloud(ctx, version: str= 'v1'):
    """
    Get a configured Google Compute API Client instance.

    Note that the Google API Client is not threadsafe. Cache the instance locally
    if you want to avoid OAuth overhead between calls.

    Parameters
    ----------
    version
        Compute API version
    """
    SCOPES = 'https://www.googleapis.com/auth/compute'
    credentials = None

    if ctx.config.get('gcloud_json_keyfile_name'):
        credentials = ServiceAccountCredentials.from_json_keyfile_name(
            ctx.config.get('gcloud_json_keyfile_name'),
            scopes=SCOPES)

    if ctx.config.get('gcloud_json_keyfile_string'):
        keyfile = json.loads(ctx.config.get('gcloud_json_keyfile_string'))
        credentials = ServiceAccountCredentials.from_json_keyfile_dict(
            keyfile, scopes=SCOPES)

    if not credentials:
        credentials = GoogleCredentials.get_application_default()

    if not credentials:
        raise RuntimeError("Auth for Google Cloud was not configured")

    compute = discovery.build(
        'compute',
        version,
        credentials=credentials,
        # https://github.com/google/google-api-python-client/issues/299#issuecomment-268915510
        cache_discovery=False
    )
    return compute