3e7172d49e
Automatic merge from submit-queue Add sync state loop in master's volume reconciler At master volume reconciler, the information about which volumes are attached to nodes is cached in actual state of world. However, this information might be out of date in case that node is terminated (volume is detached automatically). In this situation, reconciler assume volume is still attached and will not issue attach operation when node comes back. Pods created on those nodes will fail to mount. This PR adds the logic to periodically sync up the truth for attached volumes kept in the actual state cache. If the volume is no longer attached to the node, the actual state will be updated to reflect the truth. In turn, reconciler will take actions if needed. To avoid issuing many concurrent operations on cloud provider, this PR tries to add batch operation to check whether a list of volumes are attached to the node instead of one request per volume. |
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