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# Copyright 2012-2013 OpenStack Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
"""Service action implementations"""
import logging
from osc_lib.command import command
from osc_lib import exceptions
from osc_lib import utils
from openstackclient.i18n import _
LOG = logging.getLogger(__name__)
class DeleteService(command.Command):
_description = _("Delete compute service(s)")
def get_parser(self, prog_name):
parser = super(DeleteService, self).get_parser(prog_name)
parser.add_argument(
"service",
metavar="<service>",
nargs='+',
help=_("Compute service(s) to delete (ID only)")
)
return parser
def take_action(self, parsed_args):
compute_client = self.app.client_manager.compute
result = 0
for s in parsed_args.service:
try:
compute_client.services.delete(s)
except Exception as e:
result += 1
LOG.error(_("Failed to delete compute service with "
"ID '%(service)s': %(e)s"), {'service': s, 'e': e})
if result > 0:
total = len(parsed_args.service)
msg = (_("%(result)s of %(total)s compute services failed "
"to delete.") % {'result': result, 'total': total})
raise exceptions.CommandError(msg)
class ListService(command.Lister):
_description = _("List compute services")
def get_parser(self, prog_name):
parser = super(ListService, self).get_parser(prog_name)
parser.add_argument(
"--host",
metavar="<host>",
help=_("List services on specified host (name only)")
)
parser.add_argument(
"--service",
metavar="<service>",
help=_("List only specified service (name only)")
)
parser.add_argument(
"--long",
action="store_true",
default=False,
help=_("List additional fields in output")
)
return parser
def take_action(self, parsed_args):
compute_client = self.app.client_manager.compute
if parsed_args.long:
columns = (
"ID",
"Binary",
"Host",
"Zone",
"Status",
"State",
"Updated At",
"Disabled Reason"
)
else:
columns = (
"ID",
"Binary",
"Host",
"Zone",
"Status",
"State",
"Updated At"
)
data = compute_client.services.list(parsed_args.host,
parsed_args.service)
return (columns,
(utils.get_item_properties(
s, columns,
) for s in data))
class SetService(command.Command):
_description = _("Set compute service properties")
def get_parser(self, prog_name):
parser = super(SetService, self).get_parser(prog_name)
parser.add_argument(
"host",
metavar="<host>",
help=_("Name of host")
)
parser.add_argument(
"service",
metavar="<service>",
help=_("Name of service (Binary name)")
)
enabled_group = parser.add_mutually_exclusive_group()
enabled_group.add_argument(
"--enable",
action="store_true",
help=_("Enable service")
)
enabled_group.add_argument(
"--disable",
action="store_true",
help=_("Disable service")
)
parser.add_argument(
"--disable-reason",
default=None,
metavar="<reason>",
help=_("Reason for disabling the service (in quotes). "
"Should be used with --disable option.")
)
up_down_group = parser.add_mutually_exclusive_group()
up_down_group.add_argument(
'--up',
action='store_true',
help=_('Force up service'),
)
up_down_group.add_argument(
'--down',
action='store_true',
help=_('Force down service'),
)
return parser
def take_action(self, parsed_args):
compute_client = self.app.client_manager.compute
cs = compute_client.services
if (parsed_args.enable or not parsed_args.disable) and \
parsed_args.disable_reason:
msg = _("Cannot specify option --disable-reason without "
"--disable specified.")
raise exceptions.CommandError(msg)
result = 0
enabled = None
try:
if parsed_args.enable:
enabled = True
if parsed_args.disable:
enabled = False
if enabled is not None:
if enabled:
cs.enable(parsed_args.host, parsed_args.service)
else:
if parsed_args.disable_reason:
cs.disable_log_reason(parsed_args.host,
parsed_args.service,
parsed_args.disable_reason)
else:
cs.disable(parsed_args.host, parsed_args.service)
except Exception:
status = "enabled" if enabled else "disabled"
LOG.error("Failed to set service status to %s", status)
result += 1
force_down = None
try:
if parsed_args.down:
force_down = True
if parsed_args.up:
force_down = False
if force_down is not None:
cs.force_down(parsed_args.host, parsed_args.service,
force_down=force_down)
except Exception:
state = "down" if force_down else "up"
LOG.error("Failed to set service state to %s", state)
result += 1
if result > 0:
msg = _("Compute service %(service)s of host %(host)s failed to "
"set.") % {"service": parsed_args.service,
"host": parsed_args.host}
raise exceptions.CommandError(msg)
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