Monday, 2019-01-21

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openstackgerritBrin Zhang proposed openstack/heat-specs master: Change openstack-dev to openstack-discuss  https://review.openstack.org/62187301:00
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therveramishra: Have you seen errors like http://logs.openstack.org/15/617915/4/check/heat-functional-orig-mysql-lbaasv2/cec2898/ ?10:29
therveLooks like we're waiting on a dogpile lock, and it makes stack creation times out10:29
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ramishratherve: I guess these errors happen regularly, never tried to investigate, InternalServerError for timeout?10:34
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therveramishra: Yeah10:36
therveIn the engine you can see nothing happens for ~40s on that request10:36
* therve away10:37
ramishratherve: I don't see any traceback anywhere for the 50010:37
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mikecmpblltryna get my head around autoscaling with heat. given an example of autoscaling application server pool; when you update application code, how do you ensure that newly added instances use the latest code?10:56
mikecmpblli thought about imaging on deploy and then updating the stack with the image, but updating the image property of the resource restarts all the instances. i'm not sure if that's the optimal approach10:57
mikecmpblls/restarts/replaces11:04
ramishramikecmpbll: We update all members in the group unlike AWS. You can use SoftwareDeployments in heat if you want, that would update the applications as software configurations11:11
ramishrahttps://docs.openstack.org/heat/latest/template_guide/software_deployment.html#software-deployment-resources11:11
ramishrabut you would need images with heat-agents11:11
mikecmpbllso you build an image with new code and spin up new instances to replace old?11:12
mikecmpblli'll do some reading on software deployments 👍🏼11:12
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openstackgerritMerged openstack/heat master: Replace tripleo-scenario002-multinode with scenario002-standalone  https://review.openstack.org/62824911:13
ygk_12345hi all11:13
ygk_12345can someone explain me what is the maxpersonality value here in this code11:13
ygk_12345https://github.com/openstack/heat/blob/master/heat/engine/resources/openstack/nova/server.py#L158711:13
ygk_12345i am facing an error while working with stacks11:14
ramishramikecmpbll: if the image changes then either the old instance would be rebuild/replaced based on image_update_policy property https://docs.openstack.org/heat/latest/template_guide/openstack.html#OS::Nova::Server11:16
mikecmpbllramishra : interesting, thanks. i guess i have to worry about how to make whatever change (rebuild/replace) graceful, in the wider context of the live application11:21
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ygk_12345can someone help me with the error please11:30
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mikecmpbllygk_12345 : personality is a set of files to create on instance boot11:33
mikecmpblllooks like you're providing more than your provider accepts11:33
ygk_12345mikecmpbll: I have default quota. i am the admin here11:33
ygk_12345mikecmpbll: I am launching as admin11:34
mikecmpbll /shrug, i'm just reading the docs 🤓11:34
ygk_12345mikecmpbll: i am providing a single file as well11:35
ygk_12345mikecmpbll: this is the error http://paste.openstack.org/show/743037/11:38
ygk_12345mikecmpbll: any idea whats causing this error ?11:40
ramishraygk_12345: that limit comes from nova, personality_files feature has been deprecated in nova, Looks like those are removed from the api in 2.57 microversion11:40
ramishrahttps://github.com/openstack/nova/blob/master/nova/api/openstack/compute/rest_api_version_history.rst#25711:40
ramishrathat could be the reason it's not working for you11:40
ygk_12345ramishra: i am using rocky11:40
ramishraygk_12345: does not matter 2.57 is quite old11:41
ygk_12345ramishra: what could I do now ?11:41
ramishrayou should not use that feature11:41
ygk_12345ramishra: then how to pass the files in heat for a OS::Nova:Server resource ?11:41
ramishraWithout nova providing the api, I guess it would not work with heat, you can use config_drive rather than injecing file or build those files to your image11:44
ygk_12345ramishra: so it will not work with rocky now ?11:44
ygk_12345ramishra: can we use config drive with heat ?11:45
ramishraygk_12345: unless we drop the api microversion when making those nova api calls, it won't work.. We should deprecate and remove that feature soon as it's broken now11:46
ramishrayeah, I think we've a property to enable config drive11:47
ygk_12345ramishra: what could be the workaround in my case ?11:47
therveramishra: message timeout in the api logs11:49
ygk_12345ramishra: any idea ?12:01
ramishratherve: Ah, I did not see that earlier, Was looking for some other string12:15
ramishraygk_12345: if you want a hack, you can change the mox_microversion in heat https://github.com/openstack/heat/blob/master/heat/engine/clients/os/nova.py#L66 to 2.56 and I guess it would work12:16
ramishramay be we should make it configurable in the future12:17
ygk_12345ramishra: how to check the present micro version in my setup ?12:17
ramishraygk_12345: As I said, you have to change code;)12:17
ygk_12345ramishra: ok, thanks12:18
ygk_12345ramishra: how to find the present api version on my rocky setup ?12:19
ramishraygk_12345: I don't know if there is cli support for it or not12:21
ygk_12345ramishra: ok12:21
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ygk_12345ramishra: i need one help from you13:01
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-openstackstatus- NOTICE: The error causing post failures on jobs has been corrected. It is safe to recheck these jobs.19:16
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