def delete_secret(secret_id):
"""Delete a given secret id."""
# If this fails, it's most likely because we're trying to delete a secret
# that doesn't exist. Let the caller decide if failure is a problem.
return kubernetes_common.kubectl_success(
"delete", "secret", "-n", AUTH_SECRET_NS, secret_id
)
def upgrade_charm():
# migrate to new flags
if is_state('kubernetes-worker.restarted-for-cloud'):
remove_state('kubernetes-worker.restarted-for-cloud')
set_state('kubernetes-worker.cloud.ready')
if is_state('kubernetes-worker.cloud-request-sent'):
# minor change, just for consistency
remove_state('kubernetes-worker.cloud-request-sent')
set_state('kubernetes-worker.cloud.request-sent')
# Trigger removal of PPA docker installation if it was previously set.
set_state('config.changed.install_from_upstream')
hookenv.atexit(remove_state, 'config.changed.install_from_upstream')
cleanup_pre_snap_services()
migrate_resource_checksums(checksum_prefix, snap_resources)
if check_resources_for_upgrade_needed(checksum_prefix, snap_resources):
set_upgrade_needed()
# Remove the RC for nginx ingress if it exists
if hookenv.config().get('ingress'):
kubectl_success('delete', 'rc', 'nginx-ingress-controller')
# Remove gpu.enabled state so we can reconfigure gpu-related kubelet flags,
# since they can differ between k8s versions
if is_state('kubernetes-worker.gpu.enabled'):
remove_state('kubernetes-worker.gpu.enabled')
try:
disable_gpu()
except ApplyNodeLabelFailed:
# Removing node label failed. Probably the master is unavailable.
# Proceed with the upgrade in hope GPUs will still be there.
hookenv.log('Failed to remove GPU labels. Proceed with upgrade.')
remove_state('kubernetes-worker.cni-plugins.installed')
remove_state('kubernetes-worker.config.created')
remove_state('kubernetes-worker.ingress.available')
remove_state('worker.auth.bootstrapped')
set_state('kubernetes-worker.restart-needed')
def delete_secret(secret_id):
'''Delete a given secret id.'''
# If this fails, it's most likely because we're trying to delete a secret
# that doesn't exist. Let the caller decide if failure is a problem.
return kubernetes_common.kubectl_success(
'delete', 'secret', '-n', AUTH_SECRET_NS, secret_id)