[ovs-build] Failed: ovsrobot/ovn#318 (series_147337 - 0c8946e)

[Travis CI]

Build Update for ovsrobot/ovn
-------------------------------------

Build: #318
Status: Failed

Duration: 28 mins and 46 secs
Commit: 0c8946e (series_147337)
Author: Russell Bryant
Message: northd: Load config before processing nbdb contents

Reorder ovnnb_db_run() such that configuration parameters are loaded
or initialized before processing the nbdb contents.

I found this bug because I noticed dynamic MAC addresses being
assigned at ovn-northd startup with an empty prefix.  Later, it would
switch to allocating MAC addresses with the random prefix that was
generated.

The impact of this bug is particularly bad if ovn-northd restarts in
an existing environment.  ovn-northd will check previously assigned
dynamic addresses for validity.  At startup, previously assigned MAC
addresses will all appear invalid because they have a non-empty
prefix, so it will reset them all.  In the case of IPv6, this also
causes the IPv6 addresses change, since OVN assigned dynamic IPv6
addresses are based on the MAC address.

With ovn-kubernetes, whatever first set of addresses were assigned is
what ends up cached on the Node object and used by the Pod.  This bug
can cause all of this to get out of sync, breaking network
connectivity for Pods on an OVN virtual network.

Signed-off-by: Russell Bryant <russell at ovn.org>
Acked-by: Numan Siddique <numans at ovn.org>
Signed-off-by: 0-day Robot <robot at bytheb.org>

View the changeset: https://github.com/ovsrobot/ovn/compare/b3e0e3b12426^...0c8946e4ecb6

View the full build log and details: https://travis-ci.com/ovsrobot/ovn/builds/140275444?utm_medium=notification&utm_source=email

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