Public bug reported:
neutron-ovs-cleanup is dangerous (i.e. breaks networking of random
instances) to run at random times but this is not at all obvious from
looking at the file. This is a problem because operators tend to
assume restarting ${service}* is safe (at least from unintended side
effects), but that's not the case with 'neutron*'.
Please:
a) add some obvious and visible documentation to the file that
neutron-ovs-cleanup should only be restarted after
openvswitch-switch has been and what might happen if it isn't.
and/or
b) add some sort of sanity check that the openvswitch-switch process'
start time is recent and becoming a noisy no-op if it's not.
and/or
c) consider renaming the init script(s) to something that doesn't
match 'neutron*'
** Affects: neutron (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
neutron-ovs-cleanup is dangerous (i.e. breaks networking of random
instances) to run at random times but this is not at all obvious from
looking at the file. This is a problem because operators tend to
assume restarting ${service}* is safe (at least from unintended side
effects), but that's not the case with 'neutron*'.
Please:
a) add some obvious and visible documentation to the file that
neutron-ovs-cleanup should only be restarted after
openvswitch-switch has been and what might happen if it isn't.
- b) consider renaming the init script(s) to something that doesn't
+ and/or
+
+ b) add some sort of sanity check that the openvswitch-switch process'
+ start time is recent and becoming a noisy no-op if it's not.
+
+ and/or
+
+ c) consider renaming the init script(s) to something that doesn't
match 'neutron*'
** Summary changed:
- neutron-ovs-cleanup is dangerously undocumented
+ neutron-ovs-cleanup can have unintended side effects
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https://bugs.launchpad.net/bugs/1783184
Title:
neutron-ovs-cleanup can have unintended side effects
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