130 lines
5.3 KiB
Python
130 lines
5.3 KiB
Python
# Copyright 2021 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import shlex
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from oslo_config import cfg
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from oslo_log import log as logging
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from oslo_privsep import priv_context
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LOG = logging.getLogger(__name__)
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agent_opts = [
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cfg.IntOpt('reconcile_interval',
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help='Time between re-sync actions.',
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default=120),
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cfg.BoolOpt('expose_tenant_networks',
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help='Expose VM IPs on tenant networks',
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default=False),
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cfg.StrOpt('driver',
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help='Driver to be used',
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default='ovn_bgp_driver'),
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cfg.StrOpt('ovsdb_connection',
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default='unix:/usr/local/var/run/openvswitch/db.sock',
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help='The connection string for the native OVSDB backend.\n'
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'Use tcp:IP:PORT for TCP connection.\n'
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'Use unix:FILE for unix domain socket connection.'),
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cfg.StrOpt('ovn_sb_private_key',
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default='/etc/pki/tls/private/ovn_controller.key',
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help='The PEM file with private key for SSL connection to '
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'OVN-SB-DB'),
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cfg.StrOpt('ovn_sb_certificate',
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default='/etc/pki/tls/certs/ovn_controller.crt',
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help='The PEM file with certificate that certifies the '
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'private key specified in ovn_sb_private_key'),
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cfg.StrOpt('ovn_sb_ca_cert',
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default='/etc/ipa/ca.crt',
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help='The PEM file with CA certificate that OVN should use to'
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' verify certificates presented to it by SSL peers'),
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cfg.StrOpt('bgp_AS',
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default='64999',
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help='AS number to be used by the Agent when running in BGP '
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'mode and configuring the VRF route leaking.'),
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cfg.StrOpt('bgp_router_id',
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default=None,
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help='Router ID to be used by the Agent when running in BGP '
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'mode and configuring the VRF route leaking.'),
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cfg.IPOpt('evpn_local_ip',
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default=None,
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help='IP address of local EVPN VXLAN (tunnel) endpoint. '
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'This option can be used instead of the evpn_nic one. '
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'If none specified, it will take the one from the '
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'loopback device.'),
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cfg.StrOpt('evpn_nic',
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default=None,
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help='NIC with the IP address to use for the local EVPN '
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'VXLAN (tunnel) endpoint. This option can be used '
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'instead of the evpn_local_ip one. If none specified, '
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'it will take the one from the loopback device.'),
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cfg.PortOpt('evpn_udp_dstport',
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default=4789,
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help='The UDP port used for EVPN VXLAN communication. By '
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'default 4789 is being used.'),
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]
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root_helper_opts = [
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cfg.StrOpt('root_helper', default='sudo',
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help=("Root helper application. "
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"Use 'sudo ovn-bgp-agent-rootwrap "
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"/etc/ovn-bgp-agent/rootwrap.conf' to use the real "
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"root filter facility. Change to 'sudo' to skip the "
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"filtering and just run the command directly.")),
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cfg.BoolOpt('use_helper_for_ns_read',
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default=True,
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help=("Use the root helper when listing the namespaces on a "
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"system. This may not be required depending on the "
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"security configuration. If the root helper is "
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"not required, set this to False for a performance "
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"improvement.")),
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# We can't just use root_helper=sudo ovn-bgp-agent-rootwrap-daemon $cfg
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# because it isn't appropriate for long-lived processes spawned with
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# create_process. Having a bool use_rootwrap_daemon option precludes
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# specifying the rootwrap daemon command, which may be necessary for Xen?
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cfg.StrOpt('root_helper_daemon',
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help=("""
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Root helper daemon application to use when possible.
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Use 'sudo ovn-bgp-agent-rootwrap-daemon /etc/ovn-bgp-agent/rootwrap.conf'
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to run rootwrap in "daemon mode" which has been reported to improve
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performance at scale. For more information on running rootwrap in
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"daemon mode", see:
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https://docs.openstack.org/oslo.rootwrap/latest/user/usage.html#daemon-mode
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""")),
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]
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CONF = cfg.CONF
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CONF.register_opts(agent_opts)
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CONF.register_opts(root_helper_opts, "AGENT")
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logging.register_options(CONF)
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def init(args, **kwargs):
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CONF(args=args, project='bgp-agent', **kwargs)
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def setup_logging():
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logging.setup(CONF, 'bgp-agent')
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logging.set_defaults(default_log_levels=logging.get_default_log_levels())
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LOG.info("Logging enabled!")
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def get_root_helper(conf):
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return conf.AGENT.root_helper
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def setup_privsep():
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priv_context.init(root_helper=shlex.split(get_root_helper(cfg.CONF)))
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