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Add multiNodeWritable option for RBD Volumes

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This change adds the ability to define a `multiNodeWritable` option in
the Storage Class.

This change does a number of things:
1. Allow multi-node-multi-writer access modes if the SC options is
enabled
2. Bypass the watcher checks for MultiNodeMultiWriter Volumes
3. Maintains existing watcher checks for SingleNodeWriter access modes
regardless of the StorageClass option.

fix lint-errors
This commit is contained in:
j-griffith
2019-03-01 10:45:27 -07:00
committed by mergify[bot]
parent 624b08253c
commit b5b8e46460
9 changed files with 175 additions and 8 deletions
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3
examples/rbd/storageclass.yaml
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@ -35,4 +35,7 @@ parameters:
userid: kubernetes
# uncomment the following to use rbd-nbd as mounter on supported nodes
# mounter: rbd-nbd
# fsType: xfs
# uncomment the following line to enable multi-attach on RBD volumes
# multiNodeWritable: enabled
reclaimPolicy: Delete