[stein][neutron] gratuitous arp

Ignazio Cassano ignaziocassano at gmail.com
Wed May 6 16:16:08 UTC 2020


Hello, first of all sorry for my insitence but I have would to know if also
openstack train is affected by this bug.
Thanks & Regards
Ignazio


Il Mar 5 Mag 2020, 13:39 Ignazio Cassano <ignaziocassano at gmail.com> ha
scritto:

> Hello Sean, if you do not want to spend you time for configuring a test
> openstack environment I am available for schedule a call where I can share
> my desktop and we could test on rocky and stein .
> Let me know if you can.
> Best Regards
> Ignazio
>
> Il giorno sab 2 mag 2020 alle ore 17:40 Ignazio Cassano <
> ignaziocassano at gmail.com> ha scritto:
>
>> Hello Sean, I am continuing my test (so you we'll have to read a lot :-) )
>> If I understood well file neutron.py contains a patch for
>> /usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py for reading
>> the configuration force_legacy_port_binding.
>> If it is true it returns false.
>> I patched the api.py and inserting a LOG.info call I saw  it reads the
>> variable but it seems do nothing and the migrate instance stop to respond.
>> Best Regards
>> Ignazio
>>
>>
>>
>> Il giorno sab 2 mag 2020 alle ore 10:43 Ignazio Cassano <
>> ignaziocassano at gmail.com> ha scritto:
>>
>>> Hello Sean,
>>> I modified the no workloads.py to add the consoleauth code, so now it
>>> does note returns errors during live migration phase, as I wrote in my last
>>> email.
>>> Keep in mind my stein is from an upgrade.
>>> Sorry if I am not sending all email history here, but if message body is
>>> too big the email needs the moderator approval.
>>> Anycase, I added the following code:
>>>
>>>     cfg.BoolOpt(
>>>         'enable_consoleauth',
>>>         default=False,
>>>         deprecated_for_removal=True,
>>>         deprecated_since="18.0.0",
>>>         deprecated_reason="""
>>> This option has been added as deprecated originally because it is used
>>> for avoiding a upgrade issue and it will not be used in the future.
>>> See the help text for more details.
>>> """,
>>>         help="""
>>> Enable the consoleauth service to avoid resetting unexpired consoles.
>>>
>>> Console token authorizations have moved from the ``nova-consoleauth``
>>> service
>>> to the database, so all new consoles will be supported by the database
>>> backend.
>>> With this, consoles that existed before database backend support will be
>>> reset.
>>> For most operators, this should be a minimal disruption as the default
>>> TTL of a
>>> console token is 10 minutes.
>>>
>>> Operators that have much longer token TTL configured or otherwise wish
>>> to avoid
>>> immediately resetting all existing consoles can enable this flag to
>>> continue
>>> using the ``nova-consoleauth`` service in addition to the database
>>> backend.
>>> Once all of the old ``nova-consoleauth`` supported console tokens have
>>> expired,
>>> this flag should be disabled. For example, if a deployment has
>>> configured a
>>> token TTL of one hour, the operator may disable the flag, one hour after
>>> deploying the new code during an upgrade.
>>>
>>> .. note:: Cells v1 was not converted to use the database backend for
>>>   console token authorizations. Cells v1 console token authorizations
>>> will
>>>   continue to be supported by the ``nova-consoleauth`` service and use of
>>>   the ``[workarounds]/enable_consoleauth`` option does not apply to
>>>   Cells v1 users.
>>>
>>> Related options:
>>>
>>> * ``[consoleauth]/token_ttl``
>>> """),
>>>
>>> Now the live migration starts e the instance is moved  but the it
>>> continues to be unreachable after live migration.
>>> It starts to respond only when it starts a connection (for example a
>>> polling to ntp server).
>>> If I disable chrony in the instance, it stop to respond for ever.
>>> Best Regards
>>> Ignazio
>>>
>>>
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