Automated cherry pick of #4295: Add unit test for pkg/agent/route #4419: Set NO_FLOOD to IPsec tunnel ports #4470: Fix that Service routes may get lost when starting on Windows #4654: Restore NO_FLOOD to OVS ports after reconnecting the OVS #4711: Fix route deletion for Service ClusterIP and LoadBalancerIP #4766
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Signed-off-by: Quan Tian <[email protected]>
Set NO_FLOOD to IPsec tunnel ports to avoid ARP flooding. Signed-off-by: Xu Liu <[email protected]>
Fix antrea-io#4467 Signed-off-by: Hongliang Liu <[email protected]>
The NO_FLOOD configuration is lost when the OVS daemon is restarted. Currently, the only way to recover this configuration is by restarting the agent. This pull request adds logic to recover the configuration when receiving OVS reconnection events. Signed-off-by: Xu Liu <[email protected]>
When proxyAll is enabled, AntreaProxy needs to install routes in the host network namespace to redirect traffic to OVS for load balancing. For a Service with multiple ports, multiple ServicePorts are generated and processed. The previous code installed the route for a ClusterIP or a LoadBalancerIP multiple times when such a Service was created, and uninstalled the route multiple times when it was deleted, leading to a few problems. This patch adds a serviceIPRouteReferences which tracks the references of Service IPs' routes. The key is the Service IP and the value is the the set of ServiceInfo strings. With the references, we install a route exactly once as long as it's used by any ServicePorts and uninstall it exactly once when it's no longer used by any ServicePorts. This patch also fixes an issue that the route for ClusterIP was not removed on Windows Nodes after the Service was removed. Fixes antrea-io#4361 Signed-off-by: Quan Tian <[email protected]>
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@@ Coverage Diff @@
## release-1.7 #4766 +/- ##
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- Coverage 61.76% 44.68% -17.09%
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Files 298 259 -39
Lines 44437 39303 -5134
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- Hits 27446 17562 -9884
- Misses 14803 19975 +5172
+ Partials 2188 1766 -422
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There could be some cases that OVS ports are left invalid. Setting NO_FLOOD for these ports will fail for sure and restarting agents would just meet the same error. Later we should enhance the port cleanup logic, either when they are firstly identified, or when their owners do the initialization. For now, as there could be invalid ports in interface cache, we should ensure a port is valid before setting NO_FLOOD. Signed-off-by: Quan Tian <[email protected]>
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Mar 28, 2023
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Cherry pick of #4295 #4419 #4470 #4654 #4711 #4674 on release-1.7.
#4295: Add unit test for pkg/agent/route
#4419: Set NO_FLOOD to IPsec tunnel ports
#4470: Fix that Service routes may get lost when starting on Windows
#4654: Restore NO_FLOOD to OVS ports after reconnecting the OVS
#4711: Fix route deletion for Service ClusterIP and LoadBalancerIP
#4674: Ensure OVS port is valid before setting NO_FLOOD
For details on the cherry pick process, see the cherry pick requests page.