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 get_all_by_host(cls, context, host, filters=None):
volumes = db.volume_get_all_by_host(context, host, filters)
expected_attrs = cls._get_expected_attrs(context)
return base.obj_make_list(context,
cls(context),
objects.Volume,
volumes,
expected_attrs=expected_attrs)
def get_all_by_host(cls, context, host, filters=None):
volumes = db.volume_get_all_by_host(context, host, filters)
expected_attrs = ['admin_metadata', 'metadata']
return base.obj_make_list(context,
cls(context),
objects.Volume,
volumes,
expected_attrs=expected_attrs)
def test_volume_get_all_by_host(self):
volumes = []
for i in xrange(3):
volumes.append([db.volume_create(self.ctxt, {'host': 'h%d' % i})
for j in xrange(3)])
for i in xrange(3):
self._assertEqualListsOfObjects(volumes[i],
db.volume_get_all_by_host(
self.ctxt, 'h%d' % i))
def update_host(self, currenthost, newhost):
"""Modify the host name associated with a volume.
Particularly to recover from cases where one has moved
their Cinder Volume node, or modified their backend_name in a
multi-backend config.
"""
ctxt = context.get_admin_context()
volumes = db.volume_get_all_by_host(ctxt, currenthost)
for v in volumes:
db.volume_update(ctxt, v['id'], {'host': newhost})
def show(self, req, id):
"""Shows the volume usage info given by hosts.
:param req: security context
:param id: hostname
:returns: dict -- the host resources dictionary.
ex.::
{'host': [{'resource': D},..]}
D: {'host': 'hostname','project': 'admin',
'volume_count': 1, 'total_volume_gb': 2048}
"""
host = id
context = req.environ['cinder.context']
context.authorize(policy.MANAGE_POLICY)
# Not found exception will be handled at the wsgi level
host_ref = objects.Service.get_by_host_and_topic(
context, host, constants.VOLUME_TOPIC)
# Getting total available/used resource on a host.
volume_refs = db.volume_get_all_by_host(context, host_ref.host)
(count, vol_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(vol_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, vol_sum) = db.volume_data_get_for_project(
context, project_id, host=host_ref.host)
(snap_count, snap_sum) = (
objects.Snapshot.snapshot_data_get_for_project(
context, project_id, host=host_ref.host))
resources.append(
{'resource':
{'host': host,
'project': project_id,
'volume_count': str(count),
'total_volume_gb': str(vol_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 update_host(self, currenthost, newhost):
"""Modify the host name associated with a volume.
Particularly to recover from cases where one has moved
their Cinder Volume node, or modified their backend_name in a
multi-backend config.
"""
ctxt = context.get_admin_context()
volumes = db.volume_get_all_by_host(ctxt, currenthost)
for v in volumes:
db.volume_update(ctxt, v["id"], {"host": newhost})
def show(self, req, id):
"""Shows the volume usage info given by hosts.
:param req: security context
:param id: hostname
:returns: dict -- the host resources dictionary.
ex.::
{'host': [{'resource': D},..]}
D: {'host': 'hostname','project': 'admin',
'volume_count': 1, 'total_volume_gb': 2048}
"""
host = id
context = req.environ['cinder.context']
context.authorize(policy.MANAGE_POLICY)
# Not found exception will be handled at the wsgi level
host_ref = objects.Service.get_by_host_and_topic(
context, host, constants.VOLUME_TOPIC)
# Getting total available/used resource on a host.
volume_refs = db.volume_get_all_by_host(context, host_ref.host)
(count, vol_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(vol_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, vol_sum) = db.volume_data_get_for_project(
context, project_id, host=host_ref.host)
(snap_count, snap_sum) = (
objects.Snapshot.snapshot_data_get_for_project(
context, project_id, host=host_ref.host))
resources.append(
{'resource':
{'host': host,
'project': project_id,
'volume_count': str(count),
'total_volume_gb': str(vol_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 get_all_by_host(cls, context, host, filters=None):
volumes = db.volume_get_all_by_host(context, host, filters)
expected_attrs = cls._get_expected_attrs(context)
return base.obj_make_list(context, cls(context), objects.Volume,
volumes, expected_attrs=expected_attrs)
def get_all_by_host(cls, context, host, filters=None):
volumes = db.volume_get_all_by_host(context, host, filters)
expected_attrs = ['admin_metadata', 'metadata']
return base.obj_make_list(context, cls(context), objects.Volume,
volumes, expected_attrs=expected_attrs)
