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| yuanbin | Hi, I have a question. I see you node check has two status record senlin, but nova support more status record , the snelin why not support record more status ? | 06:02 |
|---|---|---|
| yuanbin | The senlin code do check get status, the status is not active, senlin will be record status error? I don't understand | 06:04 |
| Qiming | hi, yuanbin | 06:09 |
| Qiming | there is no direct translation from nova status to senlin node status | 06:09 |
| Qiming | if a sever is not active, it is not usable, from senlin's point of view, it is in error status | 06:10 |
| Qiming | node is an abstraction of all types of resources, we are not supposed to directly expose nova server statuses | 06:10 |
| yuanbin | Qiming, ok. | 06:13 |
| yuanbin | Qiming, I find os/nova/server.py module support nova rebuild, but senlin don't support rebuild, why ? | 06:13 |
| Qiming | ... | 06:14 |
| Qiming | os/nova/server.py is a profile type implementation | 06:14 |
| Qiming | it can support whatever operations exposed by the nova API | 06:15 |
| Qiming | these operations are used for different purposes | 06:15 |
| Qiming | 'rebuild' is there for supporting the health policy | 06:15 |
| Qiming | and there are node_op and cluster_op APIs allowing you to invoke them | 06:16 |
| yuanbin | the helath manager , i don't find rebuild, i only find (event or cluster_check(node_check)) failed after execute "do_delete, do_create_ | 06:17 |
| Qiming | don't try read the source code first | 06:18 |
| Qiming | the code is not structured as you see it | 06:18 |
| Qiming | try understand how policies work first | 06:18 |
| yuanbin | ok, thanks | 06:19 |
| Qiming | REBUILD is modeled as an action that can be invoked when a health policy is attached to your cluster and your cluster is about nova servers | 06:20 |
| Qiming | do_rebuild is a method you can invoke on nova servers | 06:21 |
| Qiming | health policy will leverage that method for failure recovery | 06:21 |
| Qiming | in addition to this | 06:24 |
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| Qiming | we are adding support to client side tool so that you can do | 06:24 |
| Qiming | senlin cluster op reboot my_cluster | 06:25 |
| Qiming | senlin cluster op reboot -P type=soft my_cluster | 06:25 |
| yuanbin | senlin support do_recover(do_delete, do_create）or do_rebuild(nova rebuild）， the health policy check failure after which choice ? | 06:26 |
| Qiming | again, don't try understand the code before reading some basics | 06:27 |
| Qiming | https://docs.openstack.org/developer/senlin/ | 06:27 |
| yuanbin | cluster reboot, Under the cluster node will be reboot ? | 06:28 |
| Qiming | all nodes in a cluster will execute such an operation | 06:29 |
| Qiming | it is a batch operation when issued on a cluster | 06:29 |
| Qiming | I'm telling you what the do_rebuild method in os/nova/server means | 06:29 |
| yuanbin | I unstand the nova about rebuild | 06:30 |
| Qiming | you understand libvirt, qemu and qemu-kvm and kvm Linux kernel module | 06:31 |
| Qiming | then what? | 06:31 |
| Qiming | those knowledge is not helping you to make your resource managment life any easier | 06:31 |
| yuanbin | Qiming, thanks | 06:34 |
| Qiming | np | 06:34 |
| Qiming | you may want to start reading some boring docs before understanding where the project is heading | 06:35 |
| Qiming | and whether it suits your need | 06:35 |
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| openstackgerrit | Hongbin Li proposed openstack/senlin master: Refresh resource status before doing node_recover https://review.openstack.org/438379 | 09:07 |
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| openstackgerrit | Qiming Teng proposed openstack/senlin master: WIP: Fix tempest test https://review.openstack.org/437798 | 12:51 |
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| ThiagoCMC | Qiming, bug reported: https://bugs.launchpad.net/senlin/+bug/1668398 | 21:04 |
| openstack | Launchpad bug 1668398 in senlin "Ocata / Senlin / Ubuntu LTS: os.heat.stack profile create fails, SDKException" [Undecided,New] | 21:04 |
| ThiagoCMC | Ha! Marking it as invalid... | 21:06 |
| ThiagoCMC | Region name was wrong... lol | 21:07 |
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| ThiagoCMC | It would be nice if Senlin outputs better error messages. | 21:08 |
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