x/vmware-nsx
Code Issues Proposed changes

Fixes an issue with FIP re-association

Browse Source 
When the last FIP is disassociated, the namespace and
interfaces should be removed. The internal interface
wasn't removed before without problems, but now the
namespace cannot be removed with that interface present.
The fix is to remove the internal FIP interface before
removing the namespace.

Change-Id: I021c658ecde584821f67b7a8de0205e8e938bb2d
Closes-bug: 1353287
This commit is contained in:
Michael Smith
2014-08-06 15:02:35 -07:00
parent 7c8c169578
commit fc24c6c221
4 changed files with 55 additions and 12 deletions
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8
neutron/agent/l3_agent.py
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@@ -539,8 +539,7 @@ class L3NATAgent(firewall_l3_agent.FWaaSL3AgentRpcCallback, manager.Manager):
for d in ns_ip.get_devices(exclude_loopback=True):
if d.name.startswith(FIP_2_ROUTER_DEV_PREFIX):
# internal link between IRs and FIP NS
# TODO(mrsmith): remove IR interfaces (IP pool?)
pass
ns_ip.del_veth(d.name)
elif d.name.startswith(FIP_EXT_DEV_PREFIX):
# single port from FIP NS to br-ext
# TODO(mrsmith): remove br-ext interface
@@ -562,6 +561,8 @@ class L3NATAgent(firewall_l3_agent.FWaaSL3AgentRpcCallback, manager.Manager):
# device is on default bridge
self.driver.unplug(d.name, namespace=ns,
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.driver.unplug(d.name,
bridge=self.conf.external_network_bridge,
@@ -1443,12 +1444,13 @@ class L3NATAgent(firewall_l3_agent.FWaaSL3AgentRpcCallback, manager.Manager):
#remove default route entry
device = ip_lib.IPDevice(rtr_2_fip_name, self.root_helper,
namespace=ri.ns_name)
ns_ip = ip_lib.IPWrapper(self.root_helper, namespace=fip_ns_name)
device.route.delete_gateway(ri.fip_2_rtr, table=FIP_RT_TBL)
self.local_ips.add(ri.rtr_2_fip.rsplit('.', 1)[1])
ri.rtr_2_fip = None
self.local_ips.add(ri.fip_2_rtr.rsplit('.', 1)[1])
ri.fip_2_rtr = None
# TODO(mrsmith): remove interface
ns_ip.del_veth(fip_2_rtr_name)
# clean up fip-namespace if this is the last FIP
self.agent_fip_count = self.agent_fip_count - 1
if self.agent_fip_count == 0: