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scheduler: merge Reserve and Unreserve plugins

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Previously, separate interfaces were defined for Reserve and Unreserve
plugins. However, in nearly all cases, a plugin that allocates a
resource using Reserve will likely want to register itself for Unreserve
as well in order to free the allocated resource at the end of a failed
scheduling/binding cycle. Having separate plugins for Reserve and
Unreserve also adds unnecessary config toil. To that end, this patch
aims to merge the two plugins into a single interface called a
ReservePlugin that requires implementing both the Reserve and Unreserve
methods.
This commit is contained in:
Adhityaa Chandrasekar
2020-06-15 21:52:54 +00:00
parent 8adcd7978e
commit ec83143342
23 changed files with 243 additions and 288 deletions
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1
pkg/scheduler/framework/plugins/volumebinding/volume_binding.go
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@@ -66,7 +66,6 @@ var _ framework.PreFilterPlugin = &VolumeBinding{}
var _ framework.FilterPlugin = &VolumeBinding{}
var _ framework.ReservePlugin = &VolumeBinding{}
var _ framework.PreBindPlugin = &VolumeBinding{}
var _ framework.UnreservePlugin = &VolumeBinding{}
// Name is the name of the plugin used in Registry and configurations.
const Name = "VolumeBinding"