def DeleteConnectNamespace(kube_client, args):
"""Delete the namespace in the cluster that contains the connect agent.
Args:
kube_client: A Kubernetes Client for the cluster to be registered.
args: an argparse namespace. All arguments that were provided to this
command invocation.
Raises:
calliope_exceptions.MinimumArgumentException: if a kubeconfig file cannot
be deduced from the command line flags or environment
"""
namespaces = _GKEConnectNamespace(
kube_client, properties.VALUES.core.project.GetOrFail())
if len(namespaces) > 1:
log.warning(
'gcloud will not remove any namespaces containing the Connect Agent since'
' it was found running in multiple namespaces on cluster: [{}].'
' Please delete these namespaces [{}] maually in your cluster'.
format(args.CLUSTER_NAME, namespaces))
return
namespace = namespaces[0]
cleanup_msg = 'Please delete namespace [{}] manually in your cluster.'.format(
namespace)
try:
kube_util.DeleteNamespace(kube_client, namespace)
except exceptions.Error:
log.warning(cleanup_msg)
def DeployConnectAgent(kube_client,
args,
service_account_key_data,
image_pull_secret_data,
membership_ref,
release_track=None):
"""Deploys the Connect Agent to the cluster.
Args:
kube_client: A Kubernetes Client for the cluster to be registered.
args: arguments of the command.
service_account_key_data: The contents of a Google IAM service account JSON
file
image_pull_secret_data: The contents of image pull secret to use for
private registries.
membership_ref: The membership should be associated with the connect agent
in the format of
`project/[PROJECT]/location/global/memberships/[MEMBERSHIP]`.
release_track: the release_track used in the gcloud command,
or None if it is not available.
Raises:
exceptions.Error: If the agent cannot be deployed properly
calliope_exceptions.MinimumArgumentException: If the agent cannot be
deployed properly
"""
project_id = properties.VALUES.core.project.GetOrFail()
log.status.Print('Generating the Connect Agent manifest...')
full_manifest = _GenerateManifest(args, service_account_key_data,
image_pull_secret_data, False,
membership_ref, release_track)
# Generate a manifest file if necessary.
if args.manifest_output_file:
try:
files.WriteFileContents(files.ExpandHomeDir(
args.manifest_output_file),
full_manifest,
private=True)
except files.Error as e:
raise exceptions.Error(
'Could not create manifest file: {}'.format(e))
log.status.Print(
MANIFEST_SAVED_MESSAGE.format(args.manifest_output_file))
return
namespaces = _GKEConnectNamespace(kube_client, project_id)
if len(namespaces) > 1:
raise exceptions.Error(
'Multiple namespaces [{}] containing the Connect Agent found in'
'cluster [{}]. Cannot deploy a new Connect Agent'.format(
namespaces, args.CLUSTER_NAME))
namespace = namespaces[0]
log.status.Print(
'Deploying the Connect Agent on cluster [{}] in namespace [{}]...'.
format(args.CLUSTER_NAME, namespace))
# Delete the ns if necessary
kube_util.DeleteNamespace(kube_client, namespace)
# TODO(b/138816749): add check for cluster-admin permissions
_PurgeAlphaInstaller(kube_client, namespace, project_id)
# # Create or update the agent install deployment and related resources.
_, err = kube_client.Apply(full_manifest)
if err:
raise exceptions.Error(
'Failed to apply manifest to cluster: {}'.format(err))
# TODO(b/131925085): Check connect agent health status.
log.status.Print(
'Deployed the Connect Agent on cluster [{}] in namespace [{}].'.format(
args.CLUSTER_NAME, namespace))