def do_node_set_maintenance(cc, args):
"""Enable or disable maintenance mode for a node."""
if args.reason and args.maintenance_mode.lower() in ('false', 'off'):
raise exceptions.CommandError(_('Cannot set "reason" when turning off '
'maintenance mode.'))
cc.node.set_maintenance(args.node, args.maintenance_mode.lower(),
maint_reason=args.reason)
def do_node_set_provision_state(cc, args):
"""Provision, rebuild, delete, inspect, provide or manage an instance."""
if args.config_drive and args.provision_state != 'active':
raise exceptions.CommandError(_('--config-drive is only valid when '
'setting provision state to "active"'))
cc.node.set_provision_state(args.node, args.provision_state,
configdrive=args.config_drive)
def do_node_set_maintenance(cc, args):
"""Set maintenance mode on or off."""
if args.reason and args.maintenance_mode == 'off':
raise exceptions.CommandError(
_('Cannot set "reason" when turning off '
'maintenance mode.'))
cc.node.set_maintenance(args.node,
args.maintenance_mode,
maint_reason=args.reason)
def do_node_set_maintenance(cc, args):
"""Enable or disable maintenance mode for a node."""
maintenance_mode = utils.bool_argument_value("<maintenance-mode>",
args.maintenance_mode)
if args.reason and not maintenance_mode:
raise exceptions.CommandError(
_('Cannot set "reason" when turning off '
'maintenance mode.'))
cc.node.set_maintenance(args.node,
maintenance_mode,
maint_reason=args.reason)
def find_resource(manager, name_or_id, **find_args):
"""Look for resource in a given manager.
Used as a helper for the _find_* methods.
Example:
.. code-block:: python
def _find_hypervisor(cs, hypervisor):
#Get a hypervisor by name or ID.
return cliutils.find_resource(cs.hypervisors, hypervisor)
"""
# first try to get entity as integer id
try:
return manager.get(int(name_or_id))
except (TypeError, ValueError, exceptions.NotFound):
pass
# now try to get entity as uuid
try:
if six.PY2:
tmp_id = encodeutils.safe_encode(name_or_id)
else:
tmp_id = encodeutils.safe_decode(name_or_id)
if uuidutils.is_uuid_like(tmp_id):
return manager.get(tmp_id)
except (TypeError, ValueError, exceptions.NotFound):
pass
# for str id which is not uuid
if getattr(manager, 'is_alphanum_id_allowed', False):
try:
return manager.get(name_or_id)
except exceptions.NotFound:
pass
try:
try:
return manager.find(human_id=name_or_id, **find_args)
except exceptions.NotFound:
pass
# finally try to find entity by name
try:
resource = getattr(manager, 'resource_class', None)
name_attr = resource.NAME_ATTR if resource else 'name'
kwargs = {name_attr: name_or_id}
kwargs.update(find_args)
return manager.find(**kwargs)
except exceptions.NotFound:
msg = _("No %(name)s with a name or "
"ID of '%(name_or_id)s' exists.") % \
{
"name": manager.resource_class.__name__.lower(),
"name_or_id": name_or_id
}
raise exceptions.CommandError(msg)
except exceptions.NoUniqueMatch:
msg = _("Multiple %(name)s matches found for "
"'%(name_or_id)s', use an ID to be more specific.") % \
{
"name": manager.resource_class.__name__.lower(),
"name_or_id": name_or_id
}
raise exceptions.CommandError(msg)