def _teardown_server():
# NOTE(vponomaryov): Verify that there are no dependent shares.
# Without this verification we can get here exception in next case:
# share-server-delete API was called after share creation scheduled
# and share_server reached ACTIVE status, but before update
# of share_server_id field for share. If so, after lock realese
# this method starts executing when amount of dependent shares
# has been changed.
shares = self.db.share_get_all_by_share_server(
context, share_server['id'])
if shares:
raise exception.ShareServerInUse(
share_server_id=share_server['id'])
self.db.share_server_update(context, share_server['id'],
{'status': constants.STATUS_DELETING})
sec_services = self.db.share_network_get(
context, share_server['share_network_id'])['security_services']
try:
LOG.debug("Deleting share server")
self.driver.teardown_server(share_server['backend_details'],
security_services=sec_services)
except Exception:
with excutils.save_and_reraise_exception():
LOG.error(_LE("Share server %s failed on deletion."),
share_server['id'])
self.db.share_server_update(
context, share_server['id'],
{'status': constants.STATUS_ERROR})
else:
self.db.share_server_delete(context, share_server['id'])
def delete_share_server(self, context, server):
"""Delete share server."""
policy.check_policy(context, 'share_server', 'delete', server)
shares = self.db.share_get_all_by_share_server(context, server['id'])
if shares:
raise exception.ShareServerInUse(share_server_id=server['id'])
# NOTE(vponomaryov): There is no share_server status update here,
# it is intentional.
# Status will be changed in manila.share.manager after verification
# for race condition between share creation on server
# and server deletion.
self.share_rpcapi.delete_share_server(context, server)
def delete_share_server(self, context, server):
"""Delete share server."""
policy.check_policy(context, 'share_server', 'delete', server)
shares = self.db.share_instances_get_all_by_share_server(
context, server['id'])
if shares:
raise exception.ShareServerInUse(share_server_id=server['id'])
cgs = self.db.consistency_group_get_all_by_share_server(
context, server['id'])
if cgs:
LOG.error(_LE("share server '%(ssid)s' in use by CGs"),
{'ssid': server['id']})
raise exception.ShareServerInUse(share_server_id=server['id'])
# NOTE(vponomaryov): There is no share_server status update here,
# it is intentional.
# Status will be changed in manila.share.manager after verification
# for race condition between share creation on server
# and server deletion.
self.share_rpcapi.delete_share_server(context, server)
def _teardown_server():
# NOTE(vponomaryov): Verify that there are no dependent shares.
# Without this verification we can get here exception in next case:
# share-server-delete API was called after share creation scheduled
# and share_server reached ACTIVE status, but before update
# of share_server_id field for share. If so, after lock realese
# this method starts executing when amount of dependent shares
# has been changed.
server_id = share_server['id']
shares = self.db.share_get_all_by_share_server(context, server_id)
if shares:
raise exception.ShareServerInUse(share_server_id=server_id)
if 'backend_details' not in share_server:
server_details = self.db.share_server_backend_details_get(
context, server_id)
else:
server_details = share_server['backend_details']
self.db.share_server_update(context, server_id,
{'status': constants.STATUS_DELETING})
try:
LOG.debug("Deleting share server '%s'", server_id)
security_services = []
for ss_name in constants.SECURITY_SERVICES_ALLOWED_TYPES:
ss = server_details.get('security_service_' + ss_name)
if ss:
security_services.append(jsonutils.loads(ss))
self.driver.teardown_server(
server_details=server_details,
security_services=security_services)
except Exception:
with excutils.save_and_reraise_exception():
LOG.error(
_LE("Share server '%s' failed on deletion."),
server_id)
self.db.share_server_update(
context, server_id, {'status': constants.STATUS_ERROR})
else:
self.db.share_server_delete(context, share_server['id'])
def raise_not_share_server_in_use(*args, **kwargs):
raise exception.ShareServerInUse(share_server_id=share_server_id)
