[ovs-build] Errored: igsilya/ovs#452 (tmp-branch-2.7 - 4658700)
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Mon Aug 26 19:16:59 UTC 2019
Build Update for igsilya/ovs
-------------------------------------
Build: #452
Status: Errored
Duration: 46 mins and 9 secs
Commit: 4658700 (tmp-branch-2.7)
Author: Michele Baldessari
Message: Make pid_exists() more robust against empty pid argument
In some of our destructive testing of ovn-dbs inside containers managed
by pacemaker we reached a situation where /var/run/openvswitch had
empty .pid files. The current code does not deal well with them
and pidfile_is_running() returns true in such a case and this confuses
the OCF resource agent.
- Before this change:
Inside a container run:
killall ovsdb-server
echo -n '' > /var/run/openvswitch/ovnnb_db.pid
echo -n '' > /var/run/openvswitch/ovnsb_db.pid
We will observe that the cluster is unable to ever recover because
it believes the ovn processes to be running when they really aren't and
eventually just fails:
podman container set: ovn-dbs-bundle
ovn-dbs-bundle-0 (ocf::ovn:ovndb-servers): Master controller-0
ovn-dbs-bundle-1 (ocf::ovn:ovndb-servers): Stopped controller-1
ovn-dbs-bundle-2 (ocf::ovn:ovndb-servers): Slave controller-2
Let's make sure pid_exists() returns false when the pid is an empty
string.
- After this change the cluster is able to recover from this state and
correctly start the resource:
podman container set: ovn-dbs-bundle
ovn-dbs-bundle-0 (ocf::ovn:ovndb-servers): Master controller-0
ovn-dbs-bundle-1 (ocf::ovn:ovndb-servers): Slave controller-1
ovn-dbs-bundle-2 (ocf::ovn:ovndb-servers): Slave controller-2
Fixes: 3028ce2595c8 ("ovs-lib: Allow "status" command to work as non-root.")
Signed-off-by: Michele Baldessari <michele at acksyn.org>
Signed-off-by: Ilya Maximets <i.maximets at samsung.com>
View the changeset: https://github.com/igsilya/ovs/compare/16de0a59ae98...465870019dc9
View the full build log and details: https://travis-ci.org/igsilya/ovs/builds/576850660?utm_medium=notification&utm_source=email
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