169 lines
5.6 KiB
Python
169 lines
5.6 KiB
Python
# Copyright 2014 DreamHost, LLC
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#
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# Author: DreamHost, LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Commands related to routers.
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"""
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import argparse
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import subprocess
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import sys
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from akanda.rug import commands
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from akanda.rug.cli import message
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from akanda.rug.api import nova
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from novaclient import exceptions
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from oslo.config import cfg
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from neutronclient.v2_0 import client
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class _TenantRouterCmd(message.MessageSending):
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def get_parser(self, prog_name):
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# Bypass the direct base class to let us put the tenant id
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# argument first
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p = super(_TenantRouterCmd, self).get_parser(prog_name)
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p.add_argument(
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'router_id',
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)
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return p
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def make_message(self, parsed_args):
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router_id = parsed_args.router_id.lower()
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if router_id == 'error':
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tenant_id = 'error'
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elif router_id == '*':
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tenant_id = '*'
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else:
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# Look up the tenant for a given router so we can send the
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# command using both and the rug can route it to the correct
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# worker. We do the lookup here instead of in the rug to avoid
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# having to teach the rug notification and dispatching code
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# about how to find the owner of a router, and to shift the
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# burden of the neutron API call to the client so the server
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# doesn't block. It also gives us a chance to report an error
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# when we can't find the router.
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n_c = client.Client(
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username=self.app.rug_ini.admin_user,
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password=self.app.rug_ini.admin_password,
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tenant_name=self.app.rug_ini.admin_tenant_name,
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auth_url=self.app.rug_ini.auth_url,
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auth_strategy=self.app.rug_ini.auth_strategy,
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region_name=self.app.rug_ini.auth_region,
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)
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response = n_c.list_routers(retrieve_all=True, id=router_id)
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try:
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router_details = response['routers'][0]
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except (KeyError, IndexError):
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raise ValueError('No router with id %r found: %s' %
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(router_id, response))
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assert router_details['id'] == router_id
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tenant_id = router_details['tenant_id']
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self.log.info(
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'sending %s instruction for tenant %r, router %r',
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self._COMMAND,
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tenant_id,
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router_id,
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)
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return {
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'command': self._COMMAND,
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'router_id': router_id,
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'tenant_id': tenant_id,
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}
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class RouterUpdate(_TenantRouterCmd):
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"""force-update a router"""
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_COMMAND = commands.ROUTER_UPDATE
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class RouterRebuild(_TenantRouterCmd):
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"""force-rebuild a router"""
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_COMMAND = commands.ROUTER_REBUILD
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def get_parser(self, prog_name):
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p = super(RouterRebuild, self).get_parser(prog_name)
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p.add_argument(
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'--router_image_uuid',
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)
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return p
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def take_action(self, parsed_args):
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uuid = parsed_args.router_image_uuid
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if uuid:
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nova_client = nova.Nova(cfg.CONF).client
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try:
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nova_client.images.get(uuid)
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except exceptions.NotFound:
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self.log.exception(
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'could not retrieve custom image %s from Glance:' % uuid
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)
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raise
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return super(RouterRebuild, self).take_action(parsed_args)
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def make_message(self, parsed_args):
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message = super(RouterRebuild, self).make_message(parsed_args)
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message['router_image_uuid'] = parsed_args.router_image_uuid
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return message
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class RouterDebug(_TenantRouterCmd):
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"""debug a single router"""
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_COMMAND = commands.ROUTER_DEBUG
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class RouterManage(_TenantRouterCmd):
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"""manage a single router"""
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_COMMAND = commands.ROUTER_MANAGE
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class RouterSSH(_TenantRouterCmd):
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"""ssh into a router over the management network"""
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interactive = True
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def get_parser(self, prog_name):
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p = super(RouterSSH, self).get_parser(prog_name)
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p.add_argument('remainder', nargs=argparse.REMAINDER)
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return p
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def take_action(self, parsed_args):
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n_c = client.Client(
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username=self.app.rug_ini.admin_user,
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password=self.app.rug_ini.admin_password,
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tenant_name=self.app.rug_ini.admin_tenant_name,
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auth_url=self.app.rug_ini.auth_url,
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auth_strategy=self.app.rug_ini.auth_strategy,
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region_name=self.app.rug_ini.auth_region,
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)
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router_id = parsed_args.router_id.lower()
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port = n_c.list_ports(name="AKANDA:MGT:%s" % router_id)
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try:
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mgmt_ip_addr = port['ports'][0]['fixed_ips'].pop()['ip_address']
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except (KeyError, IndexError):
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raise ValueError(
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"No router management address found for router with id %s"
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% router_id)
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try:
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cmd = ["ssh", "akanda@%s" % mgmt_ip_addr] + parsed_args.remainder
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subprocess.check_call(cmd)
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except subprocess.CalledProcessError as e:
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sys.exit(e.returncode)
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