[Bug 1814255] [NEW] network intefaces for OpenVSwitch not started after boot

[Premysl Kouril]

Public bug reported:

Boot order of openvswitch and ifupdown scripts to bring up interface
definitions specified for OVS in /etc/network/interfaces are wrong
again. The ifupdown scripts try to bring up ovs interfaces before OVS is
actually running which results in failure and the interfaces defined in
/etc/network/interfaces are not up after machine boot.

The ordering in openvswitch systemd unit files is wrong and for some
reasons the unit file openvswitch-nonetwork.service unit was removed
from Bionic without appropriate substitute. We have currently fixed it
by modifying openvswitch-switch.service ovs-vswitchd.service and ovsdb-
server.service units by moving network-pre.target from After to Before
clause.

Thanks,
Prema

** Affects: openvswitch (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1814255

Title:
  network intefaces for OpenVSwitch not started after boot

Status in openvswitch package in Ubuntu:
  New

Bug description:
  Boot order of openvswitch and ifupdown scripts to bring up interface
  definitions specified for OVS in /etc/network/interfaces are wrong
  again. The ifupdown scripts try to bring up ovs interfaces before OVS
  is actually running which results in failure and the interfaces
  defined in /etc/network/interfaces are not up after machine boot.

  The ordering in openvswitch systemd unit files is wrong and for some
  reasons the unit file openvswitch-nonetwork.service unit was removed
  from Bionic without appropriate substitute. We have currently fixed it
  by modifying openvswitch-switch.service ovs-vswitchd.service and
  ovsdb-server.service units by moving network-pre.target from After to
  Before clause.

  Thanks,
  Prema

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