[ovs-discuss] Python: connect to leader in cluster

Numan Siddique nusiddiq at redhat.com
Thu Mar 21 06:56:38 UTC 2019


On Thu, Mar 21, 2019 at 1:22 AM Ted Elhourani <ted.elhourani at nutanix.com>
wrote:

> Numan,
>
> This patch is currently at v5:
>
> https://patchwork.ozlabs.org/patch/1031257/
>
> Please let me know if there are additional comments that we need to
> address.
>

Hi Ted. I remember searching for your v5 patch sometime back. But looks
like I didn't search for it properly.

I reviewed the v5 of your patch now.

Thanks
Numan


>
> Thanks,
> Ted
>
> On Dec 27, 2018, at 1:28 AM, Numan Siddique <nusiddiq at redhat.com> wrote:
>
>
>
> On Thu, Dec 27, 2018 at 2:54 AM Ted Elhourani <ted.elhourani at nutanix.com>
> wrote:
>
>> Numan,
>>
>>
>>
>> I submitted a python idl patch for the leader-only option.
>>
>>
>>
>> https://mail.openvswitch.org/pipermail/ovs-dev/2018-December/354605.html
>> [mail.openvswitch.org]
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__mail.openvswitch.org_pipermail_ovs-2Ddev_2018-2DDecember_354605.html&d=DwMFaQ&c=s883GpUCOChKOHiocYtGcg&r=mB3ItZGjEYI9nn4mb7sBHd5RJ9XbfVZnYVRmdST65Cg&m=BjJq6WBShxhl7iSyfqMY5ni4Od2oUB3ZPAai7jkDfQs&s=LrVzcGccPZ-ZtURFyt94Wz42eHRKM2Xxw4Rv6etGzaw&e=>
>>
>>
>>
>> The code that implements the state machine of the IDL can be simplified.
>> As a first step toward enhancing the implementation, I have only extended
>> the current implementation with the leader-only selection of a cluster
>> node, I haven’t made changes to the existing code or the way it is
>> implemented.
>>
>
> Thanks. I will take  a look at it.
>
> Numan
>
>
>>
>>
>> Thanks,
>>
>> Ted
>>
>>
>>
>> *From: *Ted Elhourani <ted.elhourani at nutanix.com>
>> *Date: *Tuesday, October 16, 2018 at 11:15 AM
>> *To: *Numan Siddique <nusiddiq at redhat.com>
>> *Cc: *ovs-discuss <ovs-discuss at openvswitch.org>
>> *Subject: *Re: Python: connect to leader in cluster
>>
>>
>>
>> Hi Numan,
>>
>>
>>
>> Thanks for letting me know.
>>
>>
>>
>> Ted
>>
>>
>>
>> *From: *Numan Siddique <nusiddiq at redhat.com>
>> *Date: *Tuesday, October 16, 2018 at 11:03 AM
>> *To: *Ted Elhourani <ted.elhourani at nutanix.com>
>> *Cc: *ovs-discuss <ovs-discuss at openvswitch.org>
>> *Subject: *Re: Python: connect to leader in cluster
>>
>>
>>
>>
>>
>> On Tue, Oct 16, 2018 at 4:25 AM Ted Elhourani <ted.elhourani at nutanix.com>
>> wrote:
>>
>> Hi Numan,
>>
>> There was an earlier patch to allow the Python IDL to connect to one of
>> multiple remotes.
>>
>> Is an upcoming patch imminent to give the Python IDL the option to
>> connect only to (or become active only when) the leader in an HA cluster?
>>
>> Thanks,
>>
>> Ted
>>
>>
>>
>> Hi Ted,
>>
>>
>>
>> Yes. We do need a patch in python idl for the option to connect only to
>> the leader. I may not be able to work on this at the moment.
>>
>> Please feel free if you want to contribute to it.
>>
>>
>>
>> Thanks
>>
>> Numan
>>
>>
>>
>>
>>
>> *From: Numan Siddique <nusiddiq at redhat.com <nusiddiq at redhat.com>>*
>>
>>
>>
>> Python IDL implementation doesn't have the support to connect to the
>>
>> cluster dbs. This patch adds this support. We are still missing the
>>
>> support in python idl class to connect to the cluster master. That
>>
>> support will be added in an upcoming patch.
>>
>>
>>
>> This patch is similar to the commit 8cf6bbb184 which added multiple remote
>>
>> support in the C jsonrpc implementation.
>>
>>
>>
>>
>>
>>
>
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