def _wait_for_clone_finish(self, clone_op_id, vol_uuid):
"""Waits till a clone operation is complete or errored out."""
clone_ls_st = NaElement('clone-list-status')
clone_id = NaElement('clone-id')
clone_ls_st.add_child_elem(clone_id)
clone_id.add_node_with_children('clone-id-info',
**{'clone-op-id': clone_op_id,
'volume-uuid': vol_uuid})
task_running = True
while task_running:
result = self._invoke_successfully(clone_ls_st, None)
status = result.get_child_by_name('status')
ops_info = status.get_children()
if ops_info:
state = ops_info[0].get_child_content('clone-state')
if state == 'completed':
task_running = False
elif state == 'failed':
code = ops_info[0].get_child_content('error')
reason = ops_info[0].get_child_content('reason')
raise NaApiError(code, reason)
else:
time.sleep(1)
else:
raise NaApiError(
'UnknownCloneId',
'No clone operation for clone id %s found on the filer'
% (clone_id))
def _clone_lun(self, name, new_name, space_reserved):
"""Clone LUN with the given handle to the new name."""
metadata = self._get_lun_attr(name, 'metadata')
path = metadata['Path']
(parent, splitter, name) = path.rpartition('/')
clone_path = '%s/%s' % (parent, new_name)
clone_start = NaElement.create_node_with_children(
'clone-start',
**{'source-path': path, 'destination-path': clone_path,
'no-snap': 'true'})
result = self.client.invoke_successfully(clone_start, True)
clone_id_el = result.get_child_by_name('clone-id')
cl_id_info = clone_id_el.get_child_by_name('clone-id-info')
vol_uuid = cl_id_info.get_child_content('volume-uuid')
clone_id = cl_id_info.get_child_content('clone-op-id')
if vol_uuid:
self._check_clone_status(clone_id, vol_uuid, name, new_name)
cloned_lun = self._get_lun_by_args(path=clone_path)
if cloned_lun:
self._set_space_reserve(clone_path, space_reserved)
clone_meta = self._create_lun_meta(cloned_lun)
handle = self._create_lun_handle(clone_meta)
self._add_lun_to_table(
NetAppLun(handle, new_name,
cloned_lun.get_child_content('size'),
clone_meta))
else:
raise NaApiError('ENOLUNENTRY', 'No Lun entry found on the filer')
def _get_cluster_node(na_server):
"""Get the cluster node for ems."""
na_server.set_vserver(None)
vs_get = _create_vs_get()
res = na_server.invoke_successfully(vs_get)
if (res.get_child_content('num-records')
and int(res.get_child_content('num-records')) > 0):
attr_list = res.get_child_by_name('attributes-list')
vs_info = attr_list.get_child_by_name('vserver-info')
vs_name = vs_info.get_child_content('vserver-name')
return vs_name
raise NaApiError(code='Not found', message='No records found')
def _check_clone_status(self, clone_id, vol_uuid, name, new_name):
"""Checks for the job till completed."""
clone_status = NaElement('clone-list-status')
cl_id = NaElement('clone-id')
clone_status.add_child_elem(cl_id)
cl_id.add_node_with_children(
'clone-id-info', **{
'clone-op-id': clone_id,
'volume-uuid': vol_uuid
})
running = True
clone_ops_info = None
while running:
result = self.client.invoke_successfully(clone_status, True)
status = result.get_child_by_name('status')
ops_info = status.get_children()
if ops_info:
for info in ops_info:
if info.get_child_content('clone-state') == 'running':
time.sleep(1)
break
else:
running = False
clone_ops_info = info
break
else:
if clone_ops_info:
fmt = {'name': name, 'new_name': new_name}
if clone_ops_info.get_child_content('clone-state')\
== 'completed':
LOG.debug(
_("Clone operation with src %(name)s"
" and dest %(new_name)s completed") % fmt)
else:
LOG.debug(
_("Clone operation with src %(name)s"
" and dest %(new_name)s failed") % fmt)
raise NaApiError(
clone_ops_info.get_child_content('error'),
clone_ops_info.get_child_content('reason'))
def provide_ems(requester,
server,
stats,
netapp_backend,
server_type="cluster"):
"""Provide ems with volume stats for the requester.
:param server_type: cluster or 7mode.
"""
def _create_ems(stats, netapp_backend, server_type):
"""Create ems api request."""
ems_log = NaElement('ems-autosupport-log')
host = socket.getfqdn() or 'Cinder_node'
dest = "cluster node" if server_type == "cluster"\
else "7 mode controller"
ems_log.add_new_child('computer-name', host)
ems_log.add_new_child('event-id', '0')
ems_log.add_new_child('event-source',
'Cinder driver %s' % netapp_backend)
ems_log.add_new_child('app-version',
stats.get('driver_version', 'Undefined'))
ems_log.add_new_child('category', 'provisioning')
ems_log.add_new_child('event-description',
'OpenStack volume created on %s' % dest)
ems_log.add_new_child('log-level', '6')
ems_log.add_new_child('auto-support', 'true')
return ems_log
def _create_vs_get():
"""Create vs_get api request."""
vs_get = NaElement('vserver-get-iter')
vs_get.add_new_child('max-records', '1')
query = NaElement('query')
query.add_node_with_children('vserver-info',
**{'vserver-type': 'node'})
vs_get.add_child_elem(query)
desired = NaElement('desired-attributes')
desired.add_node_with_children(
'vserver-info', **{
'vserver-name': '',
'vserver-type': ''
})
vs_get.add_child_elem(desired)
return vs_get
def _get_cluster_node(na_server):
"""Get the cluster node for ems."""
na_server.set_vserver(None)
vs_get = _create_vs_get()
res = na_server.invoke_successfully(vs_get)
if (res.get_child_content('num-records')
and int(res.get_child_content('num-records')) > 0):
attr_list = res.get_child_by_name('attributes-list')
vs_info = attr_list.get_child_by_name('vserver-info')
vs_name = vs_info.get_child_content('vserver-name')
return vs_name
return None
do_ems = True
if hasattr(requester, 'last_ems'):
sec_limit = 604800
if not (timeutils.is_older_than(requester.last_ems, sec_limit) or
timeutils.is_older_than(requester.last_ems, sec_limit - 59)):
do_ems = False
if do_ems:
na_server = copy.copy(server)
na_server.set_timeout(25)
ems = _create_ems(stats, netapp_backend, server_type)
try:
if server_type == "cluster":
api_version = na_server.get_api_version()
if api_version:
major, minor = api_version
else:
raise NaApiError(code='Not found',
message='No api version found')
if major == 1 and minor > 15:
node = getattr(requester, 'vserver', None)
else:
node = _get_cluster_node(na_server)
if node is None:
raise NaApiError(code='Not found',
message='No vserver found')
na_server.set_vserver(node)
else:
na_server.set_vfiler(None)
na_server.invoke_successfully(ems, True)
LOG.debug("ems executed successfully.")
except NaApiError as e:
LOG.warn(_("Failed to invoke ems. Message : %s") % e)
finally:
requester.last_ems = timeutils.utcnow()