[ovs-build] Passed: ovsrobot/ovs#3807 (series_238992 - ae1b444)

Travis CI builds at travis-ci.com
Tue Apr 13 18:07:36 UTC 2021

Build Update for ovsrobot/ovs

Build: #3807
Status: Passed

Duration: 11 mins and 3 secs
Commit: ae1b444 (series_238992)
Author: Mark Gray
Message: ipsec: Fix race in system tests

This patch fixes an issue where, depending on timing fluctuations,
each node has not fully loaded all connections before the other
node begins to establish a connection. In this failure case, the
"ovs-monitor-ipsec" instance on the "left" node may `ipsec auto --start`
a connection which then gets rejected by the "right" side. Almost,
simulaneously, the "right" side may initiate a connection that gets
rejected by the "left" side. This can happen as, for all tunnels except
for GRE, each node has two connections (an "in" connection and an "out"
connection) that get added one after the other. If the "in" connection
"starts" on both sides, the "out" connection from the other node
may not be available causing the connection to fail. At this point,
"Libreswan" will wait to retry the connection. In the interim, the
OVS system test times out. This race manifests itself more frequently
in a virtualized environment.

This patch resolves this issue by waiting for the "left" node to load
all connections before starting the "right" side. This will cause
the "left" side to fail to establish a connection with the "right"
side (as the "right" side connections have not been loaded) but will
cause the "right" side to succeed to establish a connection as all
connections will have been loaded on the "left" side.

Reported-at: https://mail.openvswitch.org/pipermail/ovs-dev/2021-April/381857.html
Fixes: 8fc62df8b135 ("ipsec: Introduce IPsec system tests for Libreswan.")
Signed-off-by: Mark Gray <mark.d.gray at redhat.com>
Signed-off-by: 0-day Robot <robot at bytheb.org>

View the changeset: https://github.com/ovsrobot/ovs/compare/67e0e0bc15d3^...ae1b444ff788

View the full build log and details: https://travis-ci.com/github/ovsrobot/ovs/builds/222968817?utm_medium=notification&utm_source=email


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