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csi: nomad volume detach command (#8584)

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The soundness guarantees of the CSI specification leave a little to be desired
in our ability to provide a 100% reliable automated solution for managing
volumes. This changeset provides a new command to bridge this gap by providing
the operator the ability to intervene.

The command doesn't take an allocation ID so that the operator doesn't have to
keep track of alloc IDs that may have been GC'd. Handle this case in the
unpublish RPC by sending the client RPC for all the terminal/nil allocs on the
selected node.
This commit is contained in:
Tim Gross
2020-08-11 10:18:54 -04:00
committed by GitHub
parent d21ef34cbc
commit fbefdb98c3
12 changed files with 353 additions and 45 deletions
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5
vendor/github.com/hashicorp/nomad/api/csi.go generated vendored
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@@ -60,6 +60,11 @@ func (v *CSIVolumes) Deregister(id string, force bool, w *WriteOptions) error {
return err
}
func (v *CSIVolumes) Detach(volID, nodeID string, w *WriteOptions) error {
_, err := v.client.delete(fmt.Sprintf("/v1/volume/csi/%v/detach?node=%v", url.PathEscape(volID), nodeID), nil, w)
return err
}
// CSIVolumeAttachmentMode duplicated in nomad/structs/csi.go
type CSIVolumeAttachmentMode string