Merge "Add support for odl-fdio scenario"

1 files changed, 0 insertions, 142 deletions

diff --git a/build/neutron/agent/l3/namespaces.py b/build/neutron/agent/l3/namespaces.py
deleted file mode 100644
index aa282052..00000000
--- a/build/neutron/agent/l3/namespaces.py
+++ /dev/null
@@ -1,142 +0,0 @@
-# Copyright 2015 Hewlett-Packard Development Company, L.P.
-#
-#    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.
-#
-
-import functools
-
-from oslo_log import log as logging
-from oslo_utils import excutils
-
-from neutron.agent.linux.interface import OVSInterfaceDriver
-from neutron._i18n import _LE, _LW
-from neutron.agent.linux import ip_lib
-
-LOG = logging.getLogger(__name__)
-
-NS_PREFIX = 'qrouter-'
-INTERNAL_DEV_PREFIX = 'qr-'
-EXTERNAL_DEV_PREFIX = 'qg-'
-# TODO(Carl) It is odd that this file needs this.  It is a dvr detail.
-ROUTER_2_FIP_DEV_PREFIX = 'rfp-'
-
-
-def build_ns_name(prefix, identifier):
-    """Builds a namespace name from the given prefix and identifier
-
-    :param prefix: The prefix which must end with '-' for legacy reasons
-    :param identifier: The id associated with the namespace
-    """
-    return prefix + identifier
-
-
-def get_prefix_from_ns_name(ns_name):
-    """Parses prefix from prefix-identifier
-
-    :param ns_name: The name of a namespace
-    :returns: The prefix ending with a '-' or None if there is no '-'
-    """
-    dash_index = ns_name.find('-')
-    if 0 <= dash_index:
-        return ns_name[:dash_index + 1]
-
-
-def get_id_from_ns_name(ns_name):
-    """Parses identifier from prefix-identifier
-
-    :param ns_name: The name of a namespace
-    :returns: Identifier or None if there is no - to end the prefix
-    """
-    dash_index = ns_name.find('-')
-    if 0 <= dash_index:
-        return ns_name[dash_index + 1:]
-
-
-def check_ns_existence(f):
-    @functools.wraps(f)
-    def wrapped(self, *args, **kwargs):
-        if not self.exists():
-            LOG.warning(_LW('Namespace %(name)s does not exists. Skipping '
-                            '%(func)s'),
-                        {'name': self.name, 'func': f.__name__})
-            return
-        try:
-            return f(self, *args, **kwargs)
-        except RuntimeError:
-            with excutils.save_and_reraise_exception() as ctx:
-                if not self.exists():
-                    LOG.debug('Namespace %(name)s was concurrently deleted',
-                              self.name)
-                    ctx.reraise = False
-    return wrapped
-
-
-class Namespace(object):
-
-    def __init__(self, name, agent_conf, driver, use_ipv6):
-        self.name = name
-        self.ip_wrapper_root = ip_lib.IPWrapper()
-        self.agent_conf = agent_conf
-        self.driver = driver
-        self.use_ipv6 = use_ipv6
-
-    def create(self):
-        ip_wrapper = self.ip_wrapper_root.ensure_namespace(self.name)
-        cmd = ['sysctl', '-w', 'net.ipv4.ip_forward=1']
-        ip_wrapper.netns.execute(cmd)
-        if self.use_ipv6:
-            cmd = ['sysctl', '-w', 'net.ipv6.conf.all.forwarding=1']
-            ip_wrapper.netns.execute(cmd)
-
-    def delete(self):
-        try:
-            self.ip_wrapper_root.netns.delete(self.name)
-        except RuntimeError:
-            msg = _LE('Failed trying to delete namespace: %s')
-            LOG.exception(msg, self.name)
-
-    def exists(self):
-        return self.ip_wrapper_root.netns.exists(self.name)
-
-
-class RouterNamespace(Namespace):
-
-    def __init__(self, router_id, agent_conf, driver, use_ipv6, ovs_driver):
-        self.router_id = router_id
-        self.ovs_driver = ovs_driver
-        name = self._get_ns_name(router_id)
-        super(RouterNamespace, self).__init__(
-            name, agent_conf, driver, use_ipv6)
-
-    @classmethod
-    def _get_ns_name(cls, router_id):
-        return build_ns_name(NS_PREFIX, router_id)
-
-    @check_ns_existence
-    def delete(self):
-        ns_ip = ip_lib.IPWrapper(namespace=self.name)
-        for d in ns_ip.get_devices(exclude_loopback=True):
-            if d.name.startswith(INTERNAL_DEV_PREFIX):
-                # device is on default bridge
-                self.driver.unplug(d.name, namespace=self.name,
-                                   prefix=INTERNAL_DEV_PREFIX)
-            elif d.name.startswith(ROUTER_2_FIP_DEV_PREFIX):
-                ns_ip.del_veth(d.name)
-            elif d.name.startswith(EXTERNAL_DEV_PREFIX):
-                self.ovs_driver.unplug(
-                    d.name,
-                    bridge=self.agent_conf.external_network_bridge,
-                    namespace=self.name,
-                    prefix=EXTERNAL_DEV_PREFIX)
-
-        super(RouterNamespace, self).delete()