[ovs-dev] [PATCH v2] ovs-ctl: Allow recording hostname separately

Ilya Maximets i.maximets at ovn.org
Tue Mar 2 10:42:38 UTC 2021

On 3/2/21 6:52 AM, Frode Nordahl wrote:
> On Mon, Mar 1, 2021 at 9:26 PM Ilya Maximets <i.maximets at ovn.org> wrote:
>> On 2/25/21 4:28 PM, Frode Nordahl wrote:
>>> ovs-ctl determines the system FQDN or hostname and records it in
>>> the `external-ids:hostname` field of the `Open-vSwitch` table on
>>> system startup if it is not already set.
>>> This value may be consumed by downstream software and having it
>>> unset or set to a incorrect value could lead to erratic behavior
>>> of a system.
>>> When a system is configured to use an Open vSwitch controlled
>>> datapath as its only network connection, the current ordering of
>>> events would always record a unreliable hostname.
>>> To tackle this problem this patchs adds an optional argument that
>>> allows starting Open vSwitch without recording the hostname in
>>> the database as well as a new ctl command to record the hostname
>>> separately. This command can be called by the system startup
>>> scripts when the system is ready to collect and record this
>>> information.
>>> Reported-At: https://bugs.launchpad.net/bugs/1915829
>>> Signed-off-by: Frode Nordahl <frode.nordahl at canonical.com>
>>> ---
>>>  utilities/ovs-ctl.in | 41 +++++++++++++++++++++++++++--------------
>>>  1 file changed, 27 insertions(+), 14 deletions(-)
>> Thanks!
>> I added a note to the NEWS file and applied to master.
> Excellent, thank you for review and merge!
>> We may consider backports down to 2.13 LTS.  Let me know
>> if it's needed.
> We will consume this at 2.13 and onwards, so a backport all the way to
> 2.13 LTS would really be helpful.


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