def _get_weighted_hosts_for_share_type(self, context, request_spec,
share_type):
config_options = self._get_configuration_options()
# NOTE(ameade): Find our local list of acceptable hosts by
# filtering and weighing our options. We virtually consume
# resources on it so subsequent selections can adjust accordingly.
# NOTE(ameade): Remember, we are using an iterator here. So only
# traverse this list once.
all_hosts = self.host_manager.get_all_host_states_share(context)
if not all_hosts:
return []
share_type['extra_specs'] = share_type.get('extra_specs', {})
if share_type['extra_specs']:
for spec_name in share_types.get_undeletable_extra_specs():
extra_spec = share_type['extra_specs'].get(spec_name)
if extra_spec is not None:
share_type['extra_specs'][spec_name] = (
"<is> %s" % extra_spec)
# Only allow pools that support consistency groups
share_type['extra_specs']['consistency_group_support'] = (
"<or> host <or> pool")
filter_properties = {
'context': context,
'request_spec': request_spec,
'config_options': config_options,
'share_type': share_type,
'resource_type': share_type,
'size': 0,
}
# Filter local hosts based on requirements ...
hosts = self.host_manager.get_filtered_hosts(all_hosts,
filter_properties)
if not hosts:
return []
LOG.debug("Filtered %s" % hosts)
# weighted_host = WeightedHost() ... the best host for the job.
weighed_hosts = self.host_manager.get_weighed_hosts(
hosts,
filter_properties)
if not weighed_hosts:
return []
return weighed_hosts
def _get_weighted_hosts_for_share_type(self, context, request_spec,
share_type):
config_options = self._get_configuration_options()
# NOTE(ameade): Find our local list of acceptable hosts by
# filtering and weighing our options. We virtually consume
# resources on it so subsequent selections can adjust accordingly.
# NOTE(ameade): Remember, we are using an iterator here. So only
# traverse this list once.
all_hosts = self.host_manager.get_all_host_states_share(context)
if not all_hosts:
return []
share_type['extra_specs'] = share_type.get('extra_specs', {})
if share_type['extra_specs']:
for spec_name in share_types.get_undeletable_extra_specs():
extra_spec = share_type['extra_specs'].get(spec_name)
if extra_spec is not None:
share_type['extra_specs'][spec_name] = (
"<is> %s" % extra_spec)
# Only allow pools that support consistency groups
share_type['extra_specs']['consistency_group_support'] = (
"<or> host <or> pool")
filter_properties = {
'context': context,
'request_spec': request_spec,
'config_options': config_options,
'share_type': share_type,
'resource_type': share_type,
'size': 0,
}
# Filter local hosts based on requirements ...
hosts = self.host_manager.get_filtered_hosts(all_hosts,
filter_properties)
if not hosts:
return []
LOG.debug("Filtered %s" % hosts)
# weighted_host = WeightedHost() ... the best host for the job.
weighed_hosts = self.host_manager.get_weighed_hosts(
hosts,
filter_properties)
if not weighed_hosts:
return []
return weighed_hosts
def delete(self, req, type_id, id):
"""Deletes an existing extra spec."""
context = req.environ['manila.context']
self._check_type(context, type_id)
if id in share_types.get_undeletable_extra_specs():
msg = _("Extra spec '%s' can't be deleted.") % id
raise webob.exc.HTTPForbidden(explanation=msg)
try:
db.share_type_extra_specs_delete(context, type_id, id)
except exception.ShareTypeExtraSpecsNotFound as error:
raise webob.exc.HTTPNotFound(explanation=error.msg)
notifier_info = dict(type_id=type_id, id=id)
notifier = rpc.get_notifier('shareTypeExtraSpecs')
notifier.info(context, 'share_type_extra_specs.delete', notifier_info)
return webob.Response(status_int=202)
def delete(self, req, type_id, id):
"""Deletes an existing extra spec."""
context = req.environ['manila.context']
self._check_type(context, type_id)
if id in share_types.get_undeletable_extra_specs():
msg = _("Extra spec '%s' can't be deleted.") % id
raise webob.exc.HTTPForbidden(explanation=msg)
try:
db.share_type_extra_specs_delete(context, type_id, id)
except exception.ShareTypeExtraSpecsNotFound as error:
raise webob.exc.HTTPNotFound(explanation=error.msg)
notifier_info = dict(type_id=type_id, id=id)
notifier = rpc.get_notifier('shareTypeExtraSpecs')
notifier.info(context, 'share_type_extra_specs.delete', notifier_info)
return webob.Response(status_int=202)
