Sorry, lost track of the bug as it fell into 100 papercuts...
if it helps I solved my ordering problem by modifying the
/lib/systemd/sysytem/openvswitch-nonetwork.service
as follows
[Unit]
Description=Open vSwitch Internal Unit
PartOf=openvswitch-switch.service
# Without this all sorts of looping dependencies occur doh!
DefaultDependencies=no
#precedants pulled from isup@ service requirements
After=apparmor.service local-fs.target systemd-tmpfiles-setup.service
#subsequent to this service we need the network to start
Wants=network-pre.target openvswitch-switch.service
Before=network-pre.target openvswitch-switch.service
[Service]
Type=oneshot
RemainAfterExit=yes
EnvironmentFile=-/etc/default/openvswitch-switch
ExecStart=/usr/share/openvswitch/scripts/ovs-ctl start \
--system-id=random $OPTIONS
ExecStop=/usr/share/openvswitch/scripts/ovs-ctl stop
This pulled up the services and allowed my configuration to work
openvswitch-nonetwork.service
● ├─openvswitch-switch.service
● └─network-pre.target
● ├─ifup@br-eth2.service
● ├─ifup@br-ex.service
● ├─ifup@eth0.service
● ├─ifup@ovs-system.service
● ├─networking.service
● └─network.target
● ├─mysql.service
● ├─openvswitch-switch.service
● ├─rabbitmq-server.service
● ├─rc-local.service
● ├─ssh.service
● └─network-online.target
● ├─apache2.service
● ├─dns-clean.service
● └─kerneloops.service
(the dots are green :) )
There is lots of noise on the net about chickens and eggs, so I do not know if
it solves some other case
The thing that took me so long to solve it (besides unfamiliarity of systemd)
was the AUTOMATIC inclusion of dependencies, who on earth dreamt that up?
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https://bugs.launchpad.net/bugs/1448254
Title:
openvswitch systemd unit file ordering wrong
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