diff options
Diffstat (limited to 'build/neutron-patch-NSDriver.patch')
| -rw-r--r-- | build/neutron-patch-NSDriver.patch | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/build/neutron-patch-NSDriver.patch b/build/neutron-patch-NSDriver.patch new file mode 100644 index 00000000..e015064c --- /dev/null +++ b/build/neutron-patch-NSDriver.patch @@ -0,0 +1,208 @@ +From ff4e918d21970a81604a0aaa2af888141f93cdac Mon Sep 17 00:00:00 2001 +From: Feng Pan <fpan@redhat.com> +Date: Sun, 5 Feb 2017 21:34:19 -0500 +Subject: [PATCH] Add NSDriver + +--- + neutron/agent/l3/namespaces.py | 6 ++-- + neutron/agent/l3/router_info.py | 14 ++++---- + neutron/agent/linux/interface.py | 76 +++++++++++++++++++++++++++++++++++++++- + 3 files changed, 87 insertions(+), 9 deletions(-) + +diff --git a/neutron/agent/l3/namespaces.py b/neutron/agent/l3/namespaces.py +index e70d7bb..3c932a8 100644 +--- a/neutron/agent/l3/namespaces.py ++++ b/neutron/agent/l3/namespaces.py +@@ -18,6 +18,7 @@ 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 + +@@ -110,8 +111,9 @@ class Namespace(object): + + class RouterNamespace(Namespace): + +- def __init__(self, router_id, agent_conf, driver, use_ipv6): ++ 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) +@@ -131,7 +133,7 @@ class RouterNamespace(Namespace): + elif d.name.startswith(ROUTER_2_FIP_DEV_PREFIX): + ns_ip.del_veth(d.name) + elif d.name.startswith(EXTERNAL_DEV_PREFIX): +- self.driver.unplug( ++ self.ovs_driver.unplug( + d.name, + bridge=self.agent_conf.external_network_bridge, + namespace=self.name, +diff --git a/neutron/agent/l3/router_info.py b/neutron/agent/l3/router_info.py +index 3fd3934..b33fb7e 100644 +--- a/neutron/agent/l3/router_info.py ++++ b/neutron/agent/l3/router_info.py +@@ -27,6 +27,7 @@ from neutron.common import exceptions as n_exc + from neutron.common import ipv6_utils + from neutron.common import utils as common_utils + from neutron.ipam import utils as ipam_utils ++from neutron.agent.linux.interface import OVSInterfaceDriver + + LOG = logging.getLogger(__name__) + INTERNAL_DEV_PREFIX = namespaces.INTERNAL_DEV_PREFIX +@@ -47,6 +48,7 @@ class RouterInfo(object): + agent_conf, + interface_driver, + use_ipv6=False): ++ self.ovs_driver = OVSInterfaceDriver(agent_conf) + self.router_id = router_id + self.ex_gw_port = None + self._snat_enabled = None +@@ -57,7 +59,7 @@ class RouterInfo(object): + self.router = router + self.use_ipv6 = use_ipv6 + ns = self.create_router_namespace_object( +- router_id, agent_conf, interface_driver, use_ipv6) ++ router_id, agent_conf, interface_driver, use_ipv6, self.ovs_driver) + self.router_namespace = ns + self.ns_name = ns.name + self.available_mark_ids = set(range(ADDRESS_SCOPE_MARK_ID_MIN, +@@ -94,9 +96,9 @@ class RouterInfo(object): + self.router_namespace.create() + + def create_router_namespace_object( +- self, router_id, agent_conf, iface_driver, use_ipv6): ++ self, router_id, agent_conf, iface_driver, use_ipv6, ovs_driver): + return namespaces.RouterNamespace( +- router_id, agent_conf, iface_driver, use_ipv6) ++ router_id, agent_conf, iface_driver, use_ipv6, ovs_driver) + + @property + def router(self): +@@ -583,7 +585,7 @@ class RouterInfo(object): + for ip in floating_ips] + + def _plug_external_gateway(self, ex_gw_port, interface_name, ns_name): +- self.driver.plug(ex_gw_port['network_id'], ++ self.ovs_driver.plug(ex_gw_port['network_id'], + ex_gw_port['id'], + interface_name, + ex_gw_port['mac_address'], +@@ -641,7 +643,7 @@ class RouterInfo(object): + + self._add_route_to_gw(ex_gw_port, device_name=interface_name, + namespace=ns_name, preserve_ips=preserve_ips) +- self.driver.init_router_port( ++ self.ovs_driver.init_router_port( + interface_name, + ip_cidrs, + namespace=ns_name, +@@ -735,7 +737,7 @@ class RouterInfo(object): + for stale_dev in stale_devs: + LOG.debug('Deleting stale external router device: %s', stale_dev) + pd.remove_gw_interface(self.router['id']) +- self.driver.unplug(stale_dev, ++ self.ovs_driver.unplug(stale_dev, + bridge=self.agent_conf.external_network_bridge, + namespace=self.ns_name, + prefix=EXTERNAL_DEV_PREFIX) +diff --git a/neutron/agent/linux/interface.py b/neutron/agent/linux/interface.py +index c2eb06e..80da16f 100644 +--- a/neutron/agent/linux/interface.py ++++ b/neutron/agent/linux/interface.py +@@ -15,7 +15,7 @@ + + import abc + import time +- ++import eventlet + import netaddr + from neutron_lib import constants + from oslo_config import cfg +@@ -288,6 +288,80 @@ class NullDriver(LinuxInterfaceDriver): + def unplug(self, device_name, bridge=None, namespace=None, prefix=None): + pass + ++class NSDriver(LinuxInterfaceDriver): ++ """Device independent driver enabling creation of a non device specific ++ interface in network spaces. Attachment to the device is not performed. ++ """ ++ MAX_TIME_FOR_DEVICE_EXISTENCE = 30 ++ ++ @classmethod ++ def _device_is_created_in_time(cls, device_name): ++ """See if device is created, within time limit.""" ++ attempt = 0 ++ while attempt < NSDriver.MAX_TIME_FOR_DEVICE_EXISTENCE: ++ if ip_lib.device_exists(device_name): ++ return True ++ attempt += 1 ++ eventlet.sleep(1) ++ LOG.error(_LE("Device %(dev)s was not created in %(time)d seconds"), ++ {'dev': device_name, ++ 'time': NSDriver.MAX_TIME_FOR_DEVICE_EXISTENCE}) ++ return False ++ ++ def _configure_mtu(self, ns_dev, mtu=None): ++ # Need to set MTU, after added to namespace. See review ++ # https://review.openstack.org/327651 ++ try: ++ # Note: network_device_mtu will be deprecated in future ++ mtu_override = self.conf.network_device_mtu ++ except cfg.NoSuchOptError: ++ LOG.warning(_LW("Config setting for MTU deprecated - any " ++ "override will be ignored.")) ++ mtu_override = None ++ if mtu_override: ++ mtu = mtu_override ++ LOG.debug("Overriding MTU to %d", mtu) ++ if mtu: ++ ns_dev.link.set_mtu(mtu) ++ else: ++ LOG.debug("No MTU provided - skipping setting value") ++ ++ def plug(self, network_id, port_id, device_name, mac_address, ++ bridge=None, namespace=None, prefix=None, mtu=None): ++ ++ # Overriding this, we still want to add an existing device into the ++ # namespace. ++ self.plug_new(network_id, port_id, device_name, mac_address, ++ bridge, namespace, prefix, mtu) ++ ++ def plug_new(self, network_id, port_id, device_name, mac_address, ++ bridge=None, namespace=None, prefix=None, mtu=None): ++ ++ ip = ip_lib.IPWrapper() ++ ns_dev = ip.device(device_name) ++ ++ LOG.debug("Plugging dev: '%s' into namespace: '%s' ", ++ device_name, namespace) ++ ++ # Wait for device creation ++ if not self._device_is_created_in_time(device_name): ++ return ++ ++ ns_dev.link.set_address(mac_address) ++ ++ if namespace: ++ namespace_obj = ip.ensure_namespace(namespace) ++ namespace_obj.add_device_to_namespace(ns_dev) ++ ++ self._configure_mtu(ns_dev, mtu) ++ ++ ns_dev.link.set_up() ++ ++ def unplug(self, device_name, bridge=None, namespace=None, prefix=None): ++ # Device removal is done externally. Just remove the namespace ++ LOG.debug("Removing namespace: '%s'", namespace) ++ ip_lib.IPWrapper(namespace).garbage_collect_namespace() ++ + + class OVSInterfaceDriver(LinuxInterfaceDriver): + """Driver for creating an internal interface on an OVS bridge.""" +-- +2.9.3 + |