Tuesday, 2015-10-20

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openstackgerritMerged openstack/senlin: Zone placement policy  https://review.openstack.org/22168402:08
openstackgerritMerged openstack/senlin: Add project_safe param for cluster/node load  https://review.openstack.org/23677902:10
openstackgerritMerged openstack/senlin: Make profile related DB query project_safe  https://review.openstack.org/23678502:10
openstackgerritMerged openstack/senlin: Updated from global requirements  https://review.openstack.org/23468102:32
openstackgerritxu-haiwei proposed openstack/senlin: Revise cluster_add_nodes action's behavior  https://review.openstack.org/23572802:43
openstackgerritxu-haiwei proposed openstack/senlin: Revise cluster_add_nodes action's behavior  https://review.openstack.org/23572802:49
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openstackgerritYanyan Hu proposed openstack/senlin: Make event related DB queries project safe  https://review.openstack.org/23737803:05
openstackgerritYanyan Hu proposed openstack/senlin: Make trigger related DB queries project safe  https://review.openstack.org/23738403:40
elynnHi a question, can I update min_size or mix_size of a cluster03:45
Yanyanhuelynn, yes04:01
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Yanyanhuit can be done through cluster resize API04:01
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Yanyanhuin cluster update API, only name, metadata, parent, timeout and profile can be updated04:03
Yanyanhuhi, elynn, I guess for senlin cluster resource, the updating of different properties may need to be supported using different senlin API interfaces04:06
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elynnYanyanhu, I got it.04:16
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openstackgerritMerged openstack/senlin: Revise cluster_add_nodes action's behavior  https://review.openstack.org/23572806:07
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elynnA question about profile update for cluster.08:37
elynnIs it able to update profile for a cluster?08:37
elynnI got an error saying "Cannot update a cluster to a different profile type, operation aborted"08:37
Qiminghi, updating a profile to a different type is not allowed08:38
Qimingsay you have a cluster of nova servers, and now you want it to contain heat stacks, that is not acceptable08:39
Qimingit is perfectly okay to update a cluster to a different profile of the same type08:39
elynnThat means I can update to a profile with the same type, even though I change the heat template in spec?08:40
Qimingyes, whatever template you want to use08:41
elynnAfter update, new nodes will create with new profile while old nodes are  not changed?08:41
Qimingthese are strictly separated actions in senlin08:41
Qimingfor 'update', it only means you are replacing the profile used by a cluster08:42
Qimingfor changing the size of a cluster (add/remove nodes), it is not an 'update'08:42
Qimingit is called 'resize'08:42
Qimingfor heat stack update, we have a dependent patch not yet merged: https://review.openstack.org/#/c/225560/08:43
elynnI mean scale-out08:43
Qimingyes, scale-out is not called an update either08:44
Qimingwe deliberately avoided calling all changes an 'update'08:44
Qimingthat is making things very difficult in Heat08:44
elynnIf I using cluster-update and change the profile, what will happen?08:44
Qimingthe cluster is locked08:44
Qimingthen all nodes in that cluster will be invoked with a do_update() call08:45
Qimingthe 'do_update()' call will then be passed to the drivers (say nova or heat) to update the profile used08:45
Qimingwhen all those actions complete08:45
Qimingcluster update ends and lock is released08:45
Qimingduring this operation, you won't be able to resize the cluster, for example08:46
Qimingit is *locked* for update08:46
elynnOk, I got it. Say if I use  os.heat.stack type of profile for cluster, If I do cluster-update to update the a new profile, then all nodes will do stack-update to fit for the new profile.08:48
elynnSame for the nova instance, isn't it?08:48
Qimingit is designed that way08:49
Qimingbut I cannot guarantee you the update operation works at the moment, :(08:49
Qimingthe update behavior is completely up to the backend service (nova, heat ...)08:50
Qimingwe just call their update APIs to get things done08:50
elynnIf I update spec for the profile,  what will happen to cluster which using this profile?08:53
Qiming'spec' field is not updatable08:53
Qimingif you update that field, you will get a new profile created with a new ID08:54
elynnold profile will be deleted?08:54
Qimingwhen you do  PUT /senlin/v1/profiles/<ID>  {'spec': 'something new'}08:55
elynnWhy do we accept it as parameter in profile-update command, since it doesn't behave like usual update.08:55
Qimingyou are basically saying: hey, create a new profile using this spec, and copy all other properties from the one I specified08:56
Qimingit can be forbidden08:56
Qimingobviously a trade-off08:56
Qimingit is strange08:56
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Qimingmaybe we should declare it loudly ... profile spec cannot be updated08:57
elynnI didn't allow it to update in my spec, so that's ok for me...08:57
Qimingand it doesn't hurt to know more about our original thinking08:58
Qimingallowing update to profile spec is not a convenience, I see no strong use case of that, only endless problems to solve08:58
YanyanhuI guess maybe we should just forbid profile updating  :)08:59
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Qimingit is weird that an update request creates a new object with a new ID09:00
elynnSo the profile name and metadata can not update for now?09:00
Yanyanhuand too many potential issues if a profile which has been used to create cluster/node is updated09:00
Qimingit is more like: senlin profile-create --spec <file> --copy-properties-from <existing_profile_id>09:00
elynnprofile-update will always create a new profile?09:00
Qimingname and metadata can be updated freely09:01
Qimingyes, that sounds a bad design, right?09:01
Qimingwas trying to be more friendly to users09:01
Qimingmaybe it was wrong09:01
Qimingfeel free to propose a patch to kill it09:04
Qimingit is okay to add something later, but removing something that is already in would be a huge headache09:04
elynnyes, need to figure out how to implement this in another way before we remove it.09:09
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openstackgerritYanyan Hu proposed openstack/senlin: Make trigger related DB queries project safe  https://review.openstack.org/23738409:49
openstackgerritYanyan Hu proposed openstack/senlin: Add config option for name uniqueness  https://review.openstack.org/23405109:49
openstackgerritYanyan Hu proposed openstack/senlin: Make webhook related DB query project safe  https://review.openstack.org/23684109:49
openstackgerritShu Muto proposed openstack/senlin-dashboard: Add STATUS into detail view of node  https://review.openstack.org/23749509:53
openstackgerritvenkatamahesh proposed openstack/senlin-dashboard: Change repository from stackforge to openstack  https://review.openstack.org/23668609:58
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openstackgerrityan.haifeng proposed openstack/python-senlinclient: Delete openstack folder to advoid import issue  https://review.openstack.org/23763715:21
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