def _check_for_existing_cluster(cluster_name: str, project_id: str,
creds: Credentials):
'''checks for an existing cluster and confirms new cluster creation with user
Args:
cluster_name: name of cluster to create
project_id: project id
creds: credentials
Returns:
True if cluster creation should proceed, False otherwise
'''
clusters = Cluster.list(project_id=project_id, creds=creds)
if len(clusters) == 0:
return True
if cluster_name in clusters:
logging.error('cluster {} already exists'.format(cluster_name))
return False
logging.info('{} clusters already exist for this project:'.format(
len(clusters)))
for c in clusters:
logging.info(c)
return utils.user_verify('Do you really want to create a new cluster?',
default=False)
def _cluster_ls(args: dict, project_id: str, creds: Credentials) -> None:
"""lists clusters
Args:
args: commandline args
project_id: list clusters in the project
creds: credentials to use
"""
clusters = Cluster.list(project_id=project_id, creds=creds)
if clusters is None:
return
cluster_name = args.get('cluster_name', None)
if cluster_name is not None:
if cluster_name not in clusters:
logging.error('cluster {} not found'.format(cluster_name))
return
logging.error(cluster_name)
return
logging.info('{} clusters found'.format(len(clusters)))
for c in clusters:
logging.info(c)
return