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| openstackgerrit | wanghao proposed openstack/zaqar: Reword description of grace https://review.openstack.org/385362 | 02:47 |
|---|---|---|
| flwang1 | therve: need your help for the zaqar's trust notification driver | 03:12 |
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| therve | flwang1, Around now | 07:21 |
| flwang1 | therve: i'm not really sure if it's a mistral bug or the trust issue | 07:30 |
| therve | flwang1, What is? :) | 07:31 |
| therve | Hello? | 07:35 |
| flwang1 | therve: sorry, back | 07:37 |
| flwang1 | when i test zaqar+ mistral + heat | 07:37 |
| flwang1 | i found the token passed to mistral can't initialize keystone client | 07:37 |
| flwang1 | therve: here is the bug i opened https://bugs.launchpad.net/mistral/+bug/1634090 | 07:38 |
| openstack | Launchpad bug 1634090 in Mistral "Failed to create keystone client" [Undecided,New] - Assigned to Fei Long Wang (flwang) | 07:38 |
| flwang1 | personally i think it's a bug of mistral | 07:38 |
| flwang1 | but i just wanna get your opinion on this | 07:38 |
| flwang1 | you're an expert of trust | 07:38 |
| flwang1 | based on my understanding, the token trustee got based trust id should have the same permission like the trustor, right? | 07:39 |
| therve | Yep | 07:40 |
| therve | So you can create the trust, but then you can auth with it? | 07:41 |
| therve | I'd try to use the trust without mistral | 07:41 |
| flwang1 | yep, the auth works i think, since i can see the request in mistral | 07:42 |
| flwang1 | but mistral will use the token to built a keystone client to get service endpoint, e.g. heat's endpoint | 07:42 |
| flwang1 | when building the client, mistral balmed | 07:42 |
| therve | Ah ok | 07:43 |
| flwang1 | mistral throws exception at here https://github.com/openstack/mistral/blob/master/mistral/utils/openstack/keystone.py#L33 | 07:44 |
| therve | It's possible that mistral needs to be aware of the fact that's it's a trust token | 07:49 |
| therve | flwang1, We should probably enter https://github.com/openstack/mistral/blob/master/mistral/utils/openstack/keystone.py#L125 but we don't | 07:52 |
| flwang1 | therve: what's the real difference between a normal token and a trust token? | 07:59 |
| flwang1 | technically, i assume they should be same | 08:00 |
| flwang1 | at least, 'same' means they can do same things | 08:00 |
| therve | Well, yes, but there are some limitations | 08:00 |
| flwang1 | any doc/link about the limitations? | 08:01 |
| flwang1 | btw, how should i understand the 'is_trust_scoped'? | 08:01 |
| flwang1 | this is the context of mistral when it handles the request from zaqar | 08:02 |
| flwang1 | MistralContext {u'project_name': None, u'user_id': u'af6f84aaf58442cb85fc34e9ba6d58a4', u'roles': [u''], u'auth_uri': u'http://127.0.0.1:5000/v3', u'auth_cacert': None, u'auth_token': u'e86a0754f9e04fc79ca58b6d833a6f8a', u'expires_at': u'2016-10-18T08:11:25.000000Z', u'is_trust_scoped': False, u'project_id': None, u'user_name': u'admin', u'target_service_catalog': None} | 08:02 |
| therve | It seems is_trust_scoped is only informed internally | 08:02 |
| flwang1 | is_trust_scoped = Flase | 08:02 |
| therve | flwang1, You have only one empty role, that's strange | 08:02 |
| flwang1 | since i'm using admin user under admin project | 08:03 |
| flwang1 | it's a devstack env | 08:03 |
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| flwang1 | i think mistral is using the is_trust_scoped in a very limited way, see https://github.com/openstack/mistral/blob/master/mistral/services/security.py#L51 | 08:06 |
| flwang1 | it's the only place that is_trust_scoped can be set as 'True' | 08:07 |
| flwang1 | which is for mistral webhook | 08:07 |
| flwang1 | so for a token like what we're using, it's a trust token, but mistral 'hardcode'(believe) it as False | 08:08 |
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| therve | I think it's an internal flag that they use, it shouldn't really matter | 08:21 |
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| flwang1 | therve: many thanks | 09:47 |
| therve | No pb! | 09:47 |
| flwang1 | all good now | 09:47 |
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| nadya | hi folks! Could anyone please talk to me about kafka support in zaqar? | 12:42 |
| therve | nadya, Hi | 12:55 |
| nadya | hi therve! Could you please tell me what is the status of kafka support? | 12:55 |
| therve | nadya, Non existent | 12:56 |
| nadya | hehe :) | 12:56 |
| nadya | ok, so is that technically possible to introduce it? | 12:57 |
| therve | I think there may be a spike somewhere, so yeah I suppose | 12:57 |
| nadya | therve: I mean, for example in oslo.messaging there is a pluggable structure. To support a new driver (e.g. kafka) we need to create a new implementation. Is that the same in zaqar? | 13:00 |
| therve | nadya, Yes. Zaqar already supports several drivers (mongo and redis) | 13:00 |
| nadya | therve: ok. I think I should investigate code a little bit and will come back to you later. Thank you very much for your help! | 13:03 |
| therve | No problem | 13:03 |
| therve | flaper87, Do we have traces somewhere of a kafka driver? | 13:04 |
| flaper87 | therve: I do not :( | 13:04 |
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| -openstackstatus- NOTICE: We are away of pycparser failures in the gate and working to address the issue. | 14:06 | |
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| -openstackstatus- NOTICE: pycparser 2.16 released to fix assertion error from today. | 16:12 | |
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| jasond | hi, is there some documentation on subscription options somewhere? | 21:10 |
| flwang | jasond: hi, unfortunately, not too much, which driver you're looking for? | 21:26 |
| jasond | flwang: i was just working on the heat resource for zaqar subscriptions | 21:27 |
| flwang | jasond: cool, subscription's options is just a dict/json, technically, you can put anything in it | 21:27 |
| jasond | flwang: ok, thanks. i will just pass the options data along to zaqar then | 21:28 |
| flwang | but for email driver and trust driver, there are some specific reserved 'attributes' | 21:28 |
| flwang | for email subscription, we support from and subject, see https://github.com/openstack/zaqar/blob/master/zaqar/notification/tasks/mailto.py#L45 | 21:29 |
| flwang | for webhook/trust, we support 'post_data' see https://github.com/openstack/zaqar/blob/master/zaqar/notification/tasks/webhook.py#L37 | 21:31 |
| flwang | i will add this in developer documents, thanks for reminding me :) | 21:32 |
| jasond | flwang: i did see that post_data part in the code. made me wonder. thanks for the info | 21:32 |
| flwang | post_data is a little bit confused i would say | 21:34 |
| flwang | jasond: let me give a good example for that, wait a sec | 21:34 |
| flwang1 | jasond: see http://paste.openstack.org/show/586283/ | 21:35 |
| flwang1 | it's a subscription for mistral and using trust | 21:35 |
| flwang1 | to trigger an execution of a mistral workflow | 21:35 |
| jasond | flwang1: nice, that helps | 21:36 |
| flwang1 | mistral need a specific post body format, for an execution, it needs 'workflow_id' and 'input' | 21:36 |
| flwang1 | and, we also need to 'inject' the message body to that post body | 21:36 |
| flwang1 | so i assume you got the idea now | 21:36 |
| jasond | flwang1: yes. thank you. i will add you to the gerrit review when i get it up | 21:37 |
| flwang1 | it's not a perfect solution, but it works as charm | 21:37 |
| flwang1 | jasond: no problem, i'm happy to review it | 21:37 |
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