def get_all_host_states(self, context):
"""
The host_state_map in the HostManager isn't
maintained properly during storage host registration/deregistration.
Override get_all_host_states and add proper serialization.
For example:
{'192.168.1.100': HostState(), ...}
"""
topic = CONF.volume_topic
for host, host_state in self.host_state_map.items():
try:
db.service_get_by_host_and_topic(context,
host,
topic)
except exception.ServiceNotFound:
# The host has been deregistered
LOG.debug(_("clean up host_state_map: %(host)s" %
{'host': host}))
del self.host_state_map[host]
continue
s = super(PowerVCHostManager, self)
hosts = s.get_all_host_states(context)
return hosts
def show(self, req, id):
"""Shows the volume usage info given by hosts.
:param context: security context
:param host: hostname
:returns: expected to use HostShowTemplate.
ex.::
{'host': {'resource':D},..}
D: {'host': 'hostname','project': 'admin',
'volume_count': 1, 'total_volume_gb': 2048}
"""
host = id
context = req.environ['cinder.context']
if not context.is_admin:
msg = _("Describe-resource is admin only functionality")
raise webob.exc.HTTPForbidden(explanation=msg)
try:
host_ref = db.service_get_by_host_and_topic(context,
host,
CONF.volume_topic)
except exception.ServiceNotFound:
raise webob.exc.HTTPNotFound(explanation=_("Host not found"))
# Getting total available/used resource
# TODO(jdg): Add summary info for Snapshots
volume_refs = db.volume_get_all_by_host(context, host_ref['host'])
(count, sum) = db.volume_data_get_for_host(context,
host_ref['host'])
snap_count_total = 0
snap_sum_total = 0
resources = [{'resource': {'host': host, 'project': '(total)',
'volume_count': str(count),
'total_volume_gb': str(sum),
'snapshot_count': str(snap_count_total),
'total_snapshot_gb': str(snap_sum_total)}}]
project_ids = [v['project_id'] for v in volume_refs]
project_ids = list(set(project_ids))
for project_id in project_ids:
(count, sum) = db.volume_data_get_for_project(context, project_id)
(snap_count, snap_sum) = db.snapshot_data_get_for_project(
context,
project_id)
resources.append(
{'resource':
{'host': host,
'project': project_id,
'volume_count': str(count),
'total_volume_gb': str(sum),
'snapshot_count': str(snap_count),
'total_snapshot_gb': str(snap_sum)}})
snap_count_total += int(snap_count)
snap_sum_total += int(snap_sum)
resources[0]['resource']['snapshot_count'] = str(snap_count_total)
resources[0]['resource']['total_snapshot_gb'] = str(snap_sum_total)
return {"host": resources}
def show(self, req, id):
"""Shows the volume usage info given by hosts.
:param context: security context
:param host: hostname
:returns: expected to use HostShowTemplate.
ex.::
{'host': {'resource':D},..}
D: {'host': 'hostname','project': 'admin',
'volume_count': 1, 'total_volume_gb': 2048}
"""
host = id
context = req.environ['cinder.context']
if not context.is_admin:
msg = _("Describe-resource is admin only functionality")
raise webob.exc.HTTPForbidden(explanation=msg)
try:
host_ref = db.service_get_by_host_and_topic(context,
host,
CONF.volume_topic)
except exception.ServiceNotFound:
raise webob.exc.HTTPNotFound(explanation=_("Host not found"))
# Getting total available/used resource
# TODO(jdg): Add summary info for Snapshots
volume_refs = db.volume_get_all_by_host(context, host_ref['host'])
(count, sum) = db.volume_data_get_for_host(context,
host_ref['host'])
snap_count_total = 0
snap_sum_total = 0
resources = [{'resource': {'host': host, 'project': '(total)',
'volume_count': str(count),
'total_volume_gb': str(sum),
'snapshot_count': str(snap_count_total),
'total_snapshot_gb': str(snap_sum_total)}}]
project_ids = [v['project_id'] for v in volume_refs]
project_ids = list(set(project_ids))
for project_id in project_ids:
(count, sum) = db.volume_data_get_for_project(context, project_id)
(snap_count, snap_sum) = db.snapshot_data_get_for_project(
context,
project_id)
resources.append(
{'resource':
{'host': host,
'project': project_id,
'volume_count': str(count),
'total_volume_gb': str(sum),
'snapshot_count': str(snap_count),
'total_snapshot_gb': str(snap_sum)}})
snap_count_total += int(snap_count)
snap_sum_total += int(snap_sum)
resources[0]['resource']['snapshot_count'] = str(snap_count_total)
resources[0]['resource']['total_snapshot_gb'] = str(snap_sum_total)
return {"host": resources}
def test_service_get_by_host_and_topic(self):
service1 = self._create_service({'host': 'host1', 'topic': 'topic1'})
service2 = self._create_service({'host': 'host2', 'topic': 'topic2'})
real_service1 = db.service_get_by_host_and_topic(self.ctxt,
host='host1',
topic='topic1')
self._assertEqualObjects(service1, real_service1)
def test_service_get_by_host_and_topic(self):
service1 = self._create_service({'host': 'host1', 'topic': 'topic1'})
service2 = self._create_service({'host': 'host2', 'topic': 'topic2'})
real_service1 = db.service_get_by_host_and_topic(self.ctxt,
host='host1',
topic='topic1')
self._assertEqualObjects(service1, real_service1)
def get_by_host_and_topic(cls, context, host, topic):
db_service = db.service_get_by_host_and_topic(context, host, topic)
return cls._from_db_object(context, cls(context), db_service)
def test_service_get_by_host_and_topic(self):
service1 = self._create_service({"host": "host1", "topic": "topic1"})
real_service1 = db.service_get_by_host_and_topic(self.ctxt, host="host1", topic="topic1")
self._assertEqualObjects(service1, real_service1)
