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| openstackgerrit | Eric K proposed openstack/congress-specs: WIP - HA spec https://review.openstack.org/318383 | 00:13 |
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| openstackgerrit | Anusha Ramineni proposed openstack/congress: Tempest for Push Type Driver https://review.openstack.org/319173 | 03:56 |
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| openstackgerrit | Merged openstack/congress: Tempest for Push Type Driver https://review.openstack.org/319173 | 06:20 |
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| evrardjp | 'morning everyone | 07:52 |
| masahito | :) | 07:55 |
| masahito | evrardjp: I recently see your name here. Are you using or intereseted in Congress? :-) | 07:57 |
| evrardjp | not using right now | 07:57 |
| evrardjp | when I'll have time I'll create an openstack-ansible role for it | 07:57 |
| evrardjp | this way congress users can consume it when deploying with ansible | 07:58 |
| evrardjp | as the community is currently small in congress, I thought it was maybe good to be involved/help | 07:59 |
| evrardjp | now it's just a question of time | 07:59 |
| evrardjp | I'll probably ask questions in the future when I'll start working on this | 08:00 |
| evrardjp | in the meantime I'm trying to understand the community :) | 08:00 |
| masahito | oh great! | 08:00 |
| masahito | we are still small community, so that kind of works will extremely improve this project ;-) | 08:02 |
| evrardjp | that's what I thought | 08:04 |
| evrardjp | it could be bad if it's not maintained 'though | 08:05 |
| evrardjp | so when I'll start on this, I'll analyse the situation with some of you, this way we know the proper way of action | 08:05 |
| masahito | ramineni_: you there? | 09:13 |
| ramineni_ | masahito: hi | 09:16 |
| masahito | I checked ha replica error in gate jobs. | 09:20 |
| ramineni_ | masahito: ya, are you able to figure out ..what is causing it? | 09:21 |
| masahito | It looks like dsenode doesn't start well with rabbit. | 09:22 |
| ramineni_ | i reproduced it .. its causing only when i change to rabbit driver | 09:22 |
| ramineni_ | hmm..y? | 09:23 |
| ramineni_ | Im just seeing DatasourceNameInUser error in my local env | 09:23 |
| masahito | because service-topic-prefix and control-top are same in original node and dse node | 09:23 |
| ramineni_ | oh | 09:23 |
| ramineni_ | masahito: but multilple services can listen on same topic? | 09:24 |
| ramineni_ | can´t ** | 09:24 |
| ramineni_ | and any idea why is happenig only using rabbit? | 09:27 |
| masahito | for rabbit I think the rpc which creating new datasource only arrived at one dse node and another doesn't have it. | 09:28 |
| masahito | The rpc call is rpc not cast. | 09:29 |
| masahito | I'm still wondering why this error happens in gate-job which uses deepsix . | 09:30 |
| ramineni_ | masahito: the one on your patch? | 09:31 |
| ramineni_ | masahito: push driver tempest got merged with recheck only .. some timeout issue | 09:31 |
| masahito | because it start synchronyzer as a service to synchronize with db. | 09:31 |
| masahito | ramineni_: yes, for my patch. | 09:31 |
| ramineni_ | masahito: but your patch got merged with just recheck | 09:32 |
| masahito | yup. | 09:32 |
| masahito | before it's merged I thought the root cause is in another place not related to dse and dse2. | 09:33 |
| masahito | So I wanted to hear your status :) | 09:34 |
| ramineni_ | masahito: hmm.. might be .. im also not very clear on what is the issue .. i couldn reproduce it on my local env with your patch, so i did rebase and recheck on your patch | 09:34 |
| ramineni_ | it merged :) | 09:35 |
| ramineni_ | masahito: may be next time , we have to investigate more , if this happens in gate job using deepsix | 09:35 |
| ramineni_ | masahito: but with rabbit driver, HA is not working :( any clue on how to resolve it? | 09:37 |
| ramineni_ | masahito: https://review.openstack.org/#/c/320306/ | 09:37 |
| ramineni_ | masahito: one doubt , with current arch , can we start multiple congress services on diff nodes? like in case of pacemaker | 09:39 |
| ramineni_ | masahito: curr arch doesn allow right | 09:39 |
| masahito | we can start multiple congress with current (deepsix) architecture, but we can't start it with new (dse node on rabbit) architecture. | 09:41 |
| masahito | and we can start it with new (dse node on kombu+memory) architecture. | 09:42 |
| masahito | in the case of rabbit, I saw the following happens. | 09:43 |
| ramineni_ | hmm .. to enable rabbit , we have to change that right , otherwise HA wont be possible | 09:43 |
| masahito | 1. start main Congress (congress1 with PE1, novaDS1 and etc) | 09:44 |
| masahito | 2. start replica Congress (congress2 with PE2, novaDS2 and etc) | 09:45 |
| masahito | 3. novaDS2 calls RPC to create datasource policy with 'congress-service-engine' topic | 09:46 |
| masahito | 4-1: if PE2 receives the rpc, the creation succeed. | 09:46 |
| masahito | 4-2. if PE1 receives the rpc, the creation fails because the datasource policy has already exists in PE1. | 09:47 |
| ramineni_ | masahito: but PE1 and PE2 synchronize with same databse right | 09:47 |
| masahito | 5. if 4-2. happens replica Congress stops. | 09:48 |
| ramineni_ | masahito: so it should fail anyway, if it queries DB for policy? | 09:48 |
| masahito | sorry, what timing do you mention? | 09:51 |
| masahito | during initializing replica node or during creating new datasource with API? | 09:52 |
| ramineni_ | initializing replica node? | 09:55 |
| ramineni_ | but i think we dont create persistent policies there , just we store in self.theory , so should be fine i guess | 09:56 |
| ramineni_ | masahito: ^^ | 09:56 |
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| ramineni_ | masahito: do you think we should keep defaulting to rabbit driver patch on hold , until we figure out the arch to support multiple instances of congress starting up without conflict? | 09:58 |
| masahito | I think we don't need to abandon it if we hope Congress works on rabbit. | 10:01 |
| masahito | when we figure out the root cause and its patch we can push it basing your patch ;-) | 10:01 |
| ramineni_ | masahito: sounds good :) | 10:02 |
| masahito | oh, I think I resolve it. | 10:12 |
| masahito | Just add a partition id for rpc. | 10:13 |
| masahito | I'll pushed the patch. | 10:13 |
| masahito | oops, sorry. I didn't resolve it :-< | 10:20 |
| openstackgerrit | Masahito Muroi proposed openstack/congress: Check root cause of tempest test fail https://review.openstack.org/321459 | 10:22 |
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| openstackgerrit | Masahito Muroi proposed openstack/congress: Check root cause of tempest test fail https://review.openstack.org/321459 | 13:38 |
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| bryan_att | hi congress team - quick question for anyone. Is there a spec for fields in congress.conf file? As of Liberty this has to be tox-generated but I need to know which conf values are required vs optional; the generated output doesn't clarify that. This is for the Puppet Module and JuJu Charm I am developing. | 18:26 |
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