def _VerifyClusterExclusivity(self, kube_client, project, context, uuid):
"""Verifies that the cluster can be registered to the project.
The ensures cluster exclusivity constraints are not violated as well as
ensuring the user is authorized to register the cluster to the project.
Args:
kube_client: A KubernetesClient
project: A project ID the user is attempting to register the cluster with.
context: The kubernetes cluster context.
uuid: The UUID of the kubernetes cluster.
Raises:
exceptions.Error: If exclusivity constraints are violated or the user is
not authorized to register to the cluster.
"""
authorized_projects = hub_util.UserAccessibleProjectIDSet()
registered_project = hub_util.GetMembershipCROwnerID(kube_client)
if registered_project:
if registered_project not in authorized_projects:
raise exceptions.Error(
'The cluster is already registered to [{}], which you are not '
'authorized to access.'.format(registered_project))
elif registered_project != project:
raise exceptions.Error(
'This cluster is already registered to [{}]. '
'Please unregister this cluster before continuing:\n\n'
' gcloud {}container hub unregister-cluster --project {} --context {}'
.format(
registered_project,
hub_util.ReleaseTrackCommandPrefix(
self.ReleaseTrack()), registered_project, context))
if project not in authorized_projects:
raise exceptions.Error(
'The project you are attempting to register with [{}] either '
'doesn\'t exist or you are not authorized to access it.'.
format(project))
try:
registered_membership_project = hub_util.ProjectForClusterUUID(
uuid, [project, registered_project])
except apitools_exceptions.HttpNotFoundError as e:
raise exceptions.Error(
'Could not access Memberships API. Is your project whitelisted for '
'API access? Underlying error: {}'.format(e))
if registered_membership_project:
raise exceptions.Error(
'This cluster is already registered to [{}]. '
'Please unregister this cluster before continuing:\n\n'
' gcloud {}container hub unregister-cluster --project {} --context {}'
.format(
registered_membership_project,
hub_util.ReleaseTrackCommandPrefix(self.ReleaseTrack()),
registered_membership_project, context))
def Run(self, args):
project = arg_utils.GetFromNamespace(args,
'--project',
use_defaults=True)
kube_client = hub_util.KubernetesClient(args)
registered_project = hub_util.GetMembershipCROwnerID(kube_client)
authorized_projects = hub_util.UserAccessibleProjectIDSet()
if registered_project:
if registered_project not in authorized_projects:
raise exceptions.Error(
'The cluster is already registered to [{}], which you are not '
'authorized to access.'.format(registered_project))
elif registered_project != project:
raise exceptions.Error(
'This cluster is registered to another project [{}]. '
'Please unregister this cluster from the correct project:\n\n'
' gcloud {}container hub unregister-cluster --project {} --context {}'
.format(
registered_project,
hub_util.ReleaseTrackCommandPrefix(
self.ReleaseTrack()), registered_project,
args.context))
if project not in authorized_projects:
raise exceptions.Error(
'The project you are attempting to register with [{}] either '
'doesn\'t exist or you are not authorized to access it.'.
format(project))
uuid = hub_util.GetClusterUUID(kube_client)
try:
registered_membership_project = hub_util.ProjectForClusterUUID(
uuid, [project, registered_project])
except apitools_exceptions.HttpNotFoundError as e:
raise exceptions.Error(
'Could not access Memberships API. Is your project whitelisted for '
'API access? Underlying error: {}'.format(e))
if registered_membership_project and project != registered_membership_project:
raise exceptions.Error(
'This cluster is registered to another project [{}]. '
'Please unregister this cluster from the appropriate project:\n\n'
' gcloud {}container hub unregister-cluster --project {} --context {}'
.format(
registered_membership_project,
hub_util.ReleaseTrackCommandPrefix(self.ReleaseTrack()),
registered_membership_project, args.context))
if not registered_membership_project:
log.status.Print(
'Membership for [{}] was not found. It may already have been '
'deleted, or it may never have existed. You can safely run the '
'`register-cluster` command again for this cluster.'.format(
args.context))
# There is no Membership for this cluster, but there is a Membership CR.
# We can safely remove the Membership CR, so users can register to another
# hub without issue.
if registered_project:
hub_util.DeleteMembershipResources(kube_client)
return
hub_util.DeleteConnectNamespace(args)
try:
name = 'projects/{}/locations/global/memberships/{}'.format(
project, uuid)
hub_util.DeleteMembership(name)
hub_util.DeleteMembershipResources(kube_client)
except apitools_exceptions.HttpUnauthorizedError as e:
raise exceptions.Error(
'You are not authorized to unregister clusters from project [{}]. '
'Underlying error: {}'.format(project, e))