def test_share_host_update_db(self):
with mock.patch.object(timeutils, 'utcnow',
mock.Mock(return_value='fake-now')):
base.share_update_db(self.context, 31337, 'fake_host')
db.share_update.assert_called_once_with(
self.context, 31337,
{'host': 'fake_host', 'scheduled_at': 'fake-now'})
def test_share_host_update_db(self):
with mock.patch.object(timeutils, 'utcnow',
mock.Mock(return_value='fake-now')):
base.share_update_db(self.context, 31337, 'fake_host')
db.share_update.assert_called_once_with(
self.context, 31337,
{'host': 'fake_host', 'scheduled_at': 'fake-now'})
def schedule_create_share(self, context, request_spec, filter_properties):
weighed_host = self._schedule_share(context,
request_spec,
filter_properties)
if not weighed_host:
raise exception.NoValidHost(reason="")
host = weighed_host.obj.host
share_id = request_spec['share_id']
snapshot_id = request_spec['snapshot_id']
updated_share = base.share_update_db(context, share_id, host)
self._post_select_populate_filter_properties(filter_properties,
weighed_host.obj)
# context is not serializable
filter_properties.pop('context', None)
self.share_rpcapi.create_share_instance(
context, updated_share.instance, host,
request_spec=request_spec,
filter_properties=filter_properties,
snapshot_id=snapshot_id
)
def schedule_create_share(self, context, request_spec, filter_properties):
weighed_host = self._schedule_share(context, request_spec,
filter_properties)
if not weighed_host:
raise exception.NoValidHost(reason="")
host = weighed_host.obj.host
share_id = request_spec['share_id']
snapshot_id = request_spec['snapshot_id']
updated_share = base.share_update_db(context, share_id, host)
self._post_select_populate_filter_properties(filter_properties,
weighed_host.obj)
# context is not serializable
filter_properties.pop('context', None)
self.share_rpcapi.create_share_instance(
context,
updated_share.instance,
host,
request_spec=request_spec,
filter_properties=filter_properties,
snapshot_id=snapshot_id)
def schedule_create_share(self, context, request_spec, filter_properties):
"""Picks a host that is up at random."""
topic = CONF.share_topic
host = self._schedule(context, topic, request_spec,
filter_properties=filter_properties)
share_id = request_spec['share_id']
snapshot_id = request_spec['snapshot_id']
updated_share = base.share_update_db(context, share_id, host)
self.share_rpcapi.create_share_instance(
context,
updated_share.instance,
host,
request_spec,
filter_properties,
snapshot_id
)
def schedule_create_share(self, context, request_spec, filter_properties):
"""Picks a host that is up and has the fewest shares."""
# TODO(rushiagr) - pick only hosts that run shares
elevated = context.elevated()
share_id = request_spec.get('share_id')
snapshot_id = request_spec.get('snapshot_id')
share_properties = request_spec.get('share_properties')
share_size = share_properties.get('size')
instance_properties = request_spec.get('share_instance_properties', {})
availability_zone_id = instance_properties.get('availability_zone_id')
results = db.service_get_all_share_sorted(elevated)
if availability_zone_id:
results = [
(service_g, gigs) for (service_g, gigs) in results
if (service_g['availability_zone_id'] == availability_zone_id)
]
for result in results:
(service, share_gigabytes) = result
if share_gigabytes + share_size > CONF.max_gigabytes:
msg = _("Not enough allocatable share gigabytes remaining")
raise exception.NoValidHost(reason=msg)
if utils.service_is_up(service) and not service['disabled']:
updated_share = base.share_update_db(context, share_id,
service['host'])
self.share_rpcapi.create_share_instance(
context,
updated_share.instance,
service['host'],
request_spec,
None,
snapshot_id=snapshot_id)
return None
msg = _("Is the appropriate service running?")
raise exception.NoValidHost(reason=msg)
def schedule_create_share(self, context, request_spec, filter_properties):
"""Picks a host that is up and has the fewest shares."""
# TODO(rushiagr) - pick only hosts that run shares
elevated = context.elevated()
share_id = request_spec.get('share_id')
snapshot_id = request_spec.get('snapshot_id')
share_properties = request_spec.get('share_properties')
share_size = share_properties.get('size')
instance_properties = request_spec.get('share_instance_properties', {})
availability_zone_id = instance_properties.get('availability_zone_id')
results = db.service_get_all_share_sorted(elevated)
if availability_zone_id:
results = [(service_g, gigs) for (service_g, gigs) in results
if (service_g['availability_zone_id']
== availability_zone_id)]
for result in results:
(service, share_gigabytes) = result
if share_gigabytes + share_size > CONF.max_gigabytes:
msg = _("Not enough allocatable share gigabytes remaining")
raise exception.NoValidHost(reason=msg)
if utils.service_is_up(service) and not service['disabled']:
updated_share = base.share_update_db(context,
share_id,
service['host'])
self.share_rpcapi.create_share_instance(
context,
updated_share.instance,
service['host'],
request_spec,
None,
snapshot_id=snapshot_id)
return None
msg = _("Is the appropriate service running?")
raise exception.NoValidHost(reason=msg)
