scheduler: datacenter updates should be destructive #10864
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Updates to the datacenter field should be destructive for any allocation that is on a node no longer in the list of datacenters, but inplace for any allocation on a node that is still in the list. Add a check for this change to the system and generic schedulers after we've checked the task definition for updates and obtained the node for each current allocation.
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tgross
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Jul 7, 2021
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| // The alloc is on a node that's now in an ineligible DC | ||
| if !helper.SliceStringContains(job.Datacenters, node.Datacenter) { | ||
| continue | ||
| } |
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As I noted in #10746 (comment) I'm not wild about the placement of this check, because it means we can't really test the behavior except in the whole-scheduler tests as I've done in TestServiceSched_JobModify_Datacenters
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scheduler: datacenter updates should be destructive
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Fixes #10746
Updates to the datacenter field should be destructive for any allocation that
is on a node no longer in the list of datacenters, but inplace for any
allocation on a node that is still in the list. Add a check for this change to
the system and generic schedulers after we've checked the task definition for
updates and obtained the node for each current allocation.