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Introduce new kubelet volume manager

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This commit adds a new volume manager in kubelet that synchronizes
volume mount/unmount (and attach/detach, if attach/detach controller
is not enabled).

This eliminates the race conditions between the pod creation loop
and the orphaned volumes loops. It also removes the unmount/detach
from the `syncPod()` path so volume clean up never blocks the
`syncPod` loop.
This commit is contained in:
saadali
2016-05-29 19:22:22 -07:00
parent 9b6a505f8a
commit 542f2dc708
85 changed files with 5547 additions and 2093 deletions
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6
pkg/volume/empty_dir/empty_dir.go
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@@ -85,6 +85,10 @@ func (plugin *emptyDirPlugin) CanSupport(spec *volume.Spec) bool {
return false
}
func (plugin *emptyDirPlugin) RequiresRemount() bool {
return false
}
func (plugin *emptyDirPlugin) NewMounter(spec *volume.Spec, pod *api.Pod, opts volume.VolumeOptions) (volume.Mounter, error) {
return plugin.newMounterInternal(spec, pod, plugin.host.GetMounter(), &realMountDetector{plugin.host.GetMounter()}, opts)
}
@@ -101,7 +105,7 @@ func (plugin *emptyDirPlugin) newMounterInternal(spec *volume.Spec, pod *api.Pod
mounter: mounter,
mountDetector: mountDetector,
plugin: plugin,
rootContext: opts.RootContext,
rootContext: plugin.host.GetRootContext(),
MetricsProvider: volume.NewMetricsDu(getPath(pod.UID, spec.Name(), plugin.host)),
}, nil
}