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# Copyright 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.
#
"""Agent 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 CreateAgent(command.ShowOne):
"""Create compute agent.
The compute agent functionality is hypervisor specific and is only
supported by the XenAPI hypervisor driver. It was removed from nova in the
23.0.0 (Wallaby) release.
"""
def get_parser(self, prog_name):
parser = super(CreateAgent, self).get_parser(prog_name)
parser.add_argument("os", metavar="<os>", help=_("Type of OS"))
parser.add_argument(
"architecture",
metavar="<architecture>",
help=_("Type of architecture"),
)
parser.add_argument("version", metavar="<version>", help=_("Version"))
parser.add_argument("url", metavar="<url>", help=_("URL"))
parser.add_argument("md5hash", metavar="<md5hash>", help=_("MD5 hash"))
parser.add_argument(
"hypervisor",
metavar="<hypervisor>",
default="xen",
help=_("Type of hypervisor"),
)
return parser
def take_action(self, parsed_args):
compute_client = self.app.client_manager.compute
args = (
parsed_args.os,
parsed_args.architecture,
parsed_args.version,
parsed_args.url,
parsed_args.md5hash,
parsed_args.hypervisor,
)
agent = compute_client.agents.create(*args)._info.copy()
return zip(*sorted(agent.items()))
class DeleteAgent(command.Command):
"""Delete compute agent(s).
The compute agent functionality is hypervisor specific and is only
supported by the XenAPI hypervisor driver. It was removed from nova in the
23.0.0 (Wallaby) release.
"""
def get_parser(self, prog_name):
parser = super(DeleteAgent, self).get_parser(prog_name)
parser.add_argument(
"id", metavar="<id>", nargs='+', help=_("ID of agent(s) to delete")
)
return parser
def take_action(self, parsed_args):
compute_client = self.app.client_manager.compute
result = 0
for id in parsed_args.id:
try:
compute_client.agents.delete(id)
except Exception as e:
result += 1
LOG.error(
_("Failed to delete agent with ID '%(id)s': %(e)s"),
{'id': id, 'e': e},
)
if result > 0:
total = len(parsed_args.id)
msg = _("%(result)s of %(total)s agents failed " "to delete.") % {
'result': result,
'total': total,
}
raise exceptions.CommandError(msg)
class ListAgent(command.Lister):
"""List compute agents.
The compute agent functionality is hypervisor specific and is only
supported by the XenAPI hypervisor driver. It was removed from nova in the
23.0.0 (Wallaby) release.
"""
def get_parser(self, prog_name):
parser = super(ListAgent, self).get_parser(prog_name)
parser.add_argument(
"--hypervisor",
metavar="<hypervisor>",
help=_("Type of hypervisor"),
)
return parser
def take_action(self, parsed_args):
compute_client = self.app.client_manager.compute
columns = (
"Agent ID",
"Hypervisor",
"OS",
"Architecture",
"Version",
"Md5Hash",
"URL",
)
data = compute_client.agents.list(parsed_args.hypervisor)
return (
columns,
(
utils.get_item_properties(
s,
columns,
)
for s in data
),
)
class SetAgent(command.Command):
"""Set compute agent properties.
The compute agent functionality is hypervisor specific and is only
supported by the XenAPI hypervisor driver. It was removed from nova in the
23.0.0 (Wallaby) release.
"""
def get_parser(self, prog_name):
parser = super(SetAgent, self).get_parser(prog_name)
parser.add_argument("id", metavar="<id>", help=_("ID of the agent"))
parser.add_argument(
"--agent-version",
dest="version",
metavar="<version>",
help=_("Version of the agent"),
)
parser.add_argument(
"--url", metavar="<url>", help=_("URL of the agent")
)
parser.add_argument(
"--md5hash", metavar="<md5hash>", help=_("MD5 hash of the agent")
)
return parser
def take_action(self, parsed_args):
compute_client = self.app.client_manager.compute
data = compute_client.agents.list(hypervisor=None)
agent = {}
for s in data:
if s.agent_id == int(parsed_args.id):
agent['version'] = s.version
agent['url'] = s.url
agent['md5hash'] = s.md5hash
if agent == {}:
msg = _("No agent with a ID of '%(id)s' exists.")
raise exceptions.CommandError(msg % parsed_args.id)
if parsed_args.version:
agent['version'] = parsed_args.version
if parsed_args.url:
agent['url'] = parsed_args.url
if parsed_args.md5hash:
agent['md5hash'] = parsed_args.md5hash
args = (
parsed_args.id,
agent['version'],
agent['url'],
agent['md5hash'],
)
compute_client.agents.update(*args)
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