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Add snapshot creation, deletion and restore from snapshot, Clone from PVC support for CephFS volumes. #394

Merged
merged 27 commits into from
Aug 8, 2020
Merged

Add snapshot creation, deletion and restore from snapshot, Clone from PVC support for CephFS volumes. #394

merged 27 commits into from
Aug 8, 2020

Commits on Aug 7, 2020

  1. deploy: add csi-cephfsplugin provisioner deployment and role 

    Signed-off-by: Humble Chirammal <[email protected]>
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    humblec authored and mergify-bot committed Aug 7, 2020
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  2. helm: add deployment charts for cephfs csi snapshotter and roles 

    Signed-off-by: Humble Chirammal <[email protected]>
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  3. e2e: add/modify deployment files for cephfs snapshot/clone tests 

    Add snapshot class, snapshot, restore, clone PVC and pod yamls
for e2e test to consume

Signed-off-by: Humble Chirammal <[email protected]>
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  4. deploy: update external provisioner version to v1.6.0 from v1.4.0 

    update helm chart and deploy yaml for version upgrade

Signed-off-by: Humble Chirammal <[email protected]>
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  5. e2e: introduce writeDataInPod() to write data to an attached PVC 

    writeDataInPod() write data to the attached PVC using `dd` command
It leave the pod and pvc state as it is.

Signed-off-by: Humble Chirammal <[email protected]>
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  6. e2e: introduce createCephFSSnapshotClass creation 

    Signed-off-by: Humble Chirammal <[email protected]>
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  7. e2e: add test cases for cephfs snapshot creation,deletion and restore 

    Signed-off-by: Humble Chirammal <[email protected]>
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  8. cephfs: make use of expand operation lock in ControllerExpandVolume 

    Signed-off-by: Humble Chirammal <[email protected]>
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  9. cephfs: add snapshotlock and operationlock to controllerserver 

    Signed-off-by: Humble Chirammal <[email protected]>
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  10. cephfs: change createBackingVolume to accomodate clone operations 

    adjust createBackingVolume() to create a subvolume from snapshot
or existing subvolume by taking restore or clone operation locks

Signed-off-by: Humble Chirammal <[email protected]>
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  11. cephfs: add checkContentSource() to validate the data source 

    checkContentSource() validate the data source in the request
and then populate volumeOptions or snapshotshot identifier in
case of snapshot source. If the data source is volume, then
parentVolumeOption and pvID are populated.

Signed-off-by: Humble Chirammal <[email protected]>
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  12. cephfs: add various error strings for command validation 

    Compared to previous version of the error strings, this change
depend on error strings like ENOENT, EEXIST, EINVAL..etc
The format of the error strings change in different cluster versions
and the error code return should not change. This also add extra
error strings for snapshot and clone operation outputs

Signed-off-by: Humble Chirammal <[email protected]>
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  13. cephfs: retrieve NewCSISnapshotJournal with namespace set 

    Signed-off-by: Humble Chirammal <[email protected]>
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  14. cephfs: introduce newSnapshotOptionsFromID to generate volOpt and sid 

    From provided CSI volume ID this populate volumeOptions and snapshot
identifier after connecting to the snapJournal.

Signed-off-by: Humble Chirammal <[email protected]>
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  15. cephfs: add snapshot create/delete capabilities in controllerserver 

    Signed-off-by: Humble Chirammal <[email protected]>
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  16. cephfs: use delete operation lock in delete volume 

    Signed-off-by: Humble Chirammal <[email protected]>
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  17. cephfs: change createvolume for snapshot/clone workflow 

    Signed-off-by: Humble Chirammal <[email protected]>
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  18. cephfs: add snapshot and clone helper functions 

    Signed-off-by: Humble Chirammal <[email protected]>
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  19. cephfs: Change checkVolExist for snapshot and clone workflow 

    Signed-off-by: Humble Chirammal <[email protected]>
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  20. cephfs: validate create volume request 

    Also add functionality to generate snap from request
and to get mon and clusterID from the request

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  21. cephfs: add snap reserve/unreserve and snap exist functionalities 

    Signed-off-by: Humble Chirammal <[email protected]>
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  22. cephfs: remove inValidCommmand and errNotFoundString 

    Signed-off-by: Humble Chirammal <[email protected]>
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  23. cephfs: add subvolume struct and getSubvolumeInfo calls 

    Signed-off-by: Humble Chirammal <[email protected]>
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  24. cephfs: getVolumeRootPathCeph and purgeVolume use new error strings 

    Signed-off-by: Humble Chirammal <[email protected]>
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  25. cephfs: add snapshot create and delete functionalilies 

    It also add helper routines like parsetime,doSnapshot..etc

Signed-off-by: Humble Chirammal <[email protected]>
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  26. cephfs: introduce parsetime() to parse createdAt field in snap return 

    Signed-off-by: Humble Chirammal <[email protected]>
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  27. e2e: remove volume populate test case and also change writeDataInPod() 

    As we are populating the volume in other two test cases for clone and
snapshot operation, we dont need a specific test case now.
WriteDataInPod() function is also changed to take the pod spec and write
some data to it

Signed-off-by: Humble Chirammal <[email protected]>
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