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from typing import List, TYPE_CHECKING
import orchestrator
if TYPE_CHECKING:
from nfs.module import Module
EXPORT_PREFIX: str = "export-"
CONF_PREFIX: str = "conf-nfs."
USER_CONF_PREFIX: str = "userconf-nfs."
def export_obj_name(export_id: int) -> str:
"""Return a rados object name for the export."""
return f"{EXPORT_PREFIX}{export_id}"
def conf_obj_name(cluster_id: str) -> str:
"""Return a rados object name for the config."""
return f"{CONF_PREFIX}{cluster_id}"
def user_conf_obj_name(cluster_id: str) -> str:
"""Returna a rados object name for the user config."""
return f"{USER_CONF_PREFIX}{cluster_id}"
def available_clusters(mgr: 'Module') -> List[str]:
'''
This method returns list of available cluster ids.
Service name is service_type.service_id
Example:
completion.result value:
<ServiceDescription of <NFSServiceSpec for service_name=nfs.vstart>>
return value: ['vstart']
'''
# TODO check cephadm cluster list with rados pool conf objects
completion = mgr.describe_service(service_type='nfs')
orchestrator.raise_if_exception(completion)
assert completion.result is not None
return [cluster.spec.service_id for cluster in completion.result
if cluster.spec.service_id]
def restart_nfs_service(mgr: 'Module', cluster_id: str) -> None:
'''
This methods restarts the nfs daemons
'''
completion = mgr.service_action(action='restart',
service_name='nfs.' + cluster_id)
orchestrator.raise_if_exception(completion)
def check_fs(mgr: 'Module', fs_name: str) -> bool:
'''
This method checks if given fs is valid
'''
fs_map = mgr.get('fs_map')
return fs_name in [fs['mdsmap']['fs_name'] for fs in fs_map['filesystems']]
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