def show(self, req, id):
"""Shows the storage 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',
'storage_count': 1, 'total_storage_gb': 2048}
"""
host = id
context = req.environ['vsm.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,
FLAGS.storage_topic)
except exception.ServiceNotFound:
raise webob.exc.HTTPNotFound(explanation=_("Host not found"))
# Getting total available/used resource
# TODO(jdg): Add summary info for Snapshots
storage_refs = db.storage_get_all_by_host(context, host_ref['host'])
(count, sum) = db.storage_data_get_for_host(context,
host_ref['host'])
snap_count_total = 0
snap_sum_total = 0
resources = [{'resource': {'host': host, 'project': '(total)',
'storage_count': str(count),
'total_storage_gb': str(sum),
'snapshot_count': str(snap_count_total),
'total_snapshot_gb': str(snap_sum_total)}}]
project_ids = [v['project_id'] for v in storage_refs]
project_ids = list(set(project_ids))
for project_id in project_ids:
(count, sum) = db.storage_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,
'storage_count': str(count),
'total_storage_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 _sync_gigabytes(context, project_id, session):
(_junk, vol_gigs) = db.storage_data_get_for_project(context,
project_id,
session=session)
if FLAGS.no_snapshot_gb_quota:
return {'gigabytes': vol_gigs}
(_junk, snap_gigs) = db.snapshot_data_get_for_project(context,
project_id,
session=session)
return {'gigabytes': vol_gigs + snap_gigs}
def _sync_snapshots(context, project_id, session):
(snapshots, gigs) = db.snapshot_data_get_for_project(context,
project_id,
session=session)
return {'snapshots': snapshots}
