cephfs: set Pool parameter to empty for Snapshot-backed volumes #4047
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| // Pool parameters is optional and only used to set 'pool_layout' arguement for | ||
| // subvolume and subvolume clone create commands. | ||
| // Setting this to emtpy since it is not used with Snapshot-backed volume. | ||
| vo.Pool = "" |
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Add an E2E testing to ensure it works and we will not break it in the future.
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/test ci/centos/mini-e2e/k8s-1.27 |
| // Pool parameters is optional and only used to set 'pool_layout' argument for | ||
| // subvolume and subvolume clone create commands. | ||
| // Setting this to empty since it is not used with Snapshot-backed volume. | ||
| vo.Pool = "" |
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Why should this not be the same as the pool of the original volume?
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Why should this not be the same as the pool of the original volume?
The original volume's pool is set only for create pvc/clone cmd as pool_layout (pool is retrieved directly from pv attributes) and is not saved anywhere and not used anywhere else.
The parentBackingSnapVolOpts here does not have its pool parameter set.
| if vo.Pool != "" { | ||
| return errors.New("cannot set pool for snapshot-backed volume") | ||
| } | ||
| // Pool parameters is optional and only used to set 'pool_layout' argument for |
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Pool parameters to Pool parameter
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@Mergifyio rebase |
Set VolumeOptions.Pool parameter to empty for Snapshot-backed volumes. This Pool parameter is optional and only used as 'pool-layout' parameter during subvolume and subvolume clone create request in cephcsi and not used for Snapshot-backed volume at all. It is not saved anywhere for use in subsequent operations after create too. Therefore, We can set it to empty and not error out. Signed-off-by: rakshith-r <[email protected]>
✅ Branch has been successfully rebased |
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/test ci/centos/k8s-e2e-external-storage/1.25 |
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/test ci/centos/k8s-e2e-external-storage/1.26 |
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/test ci/centos/k8s-e2e-external-storage/1.27 |
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/test ci/centos/mini-e2e-helm/k8s-1.25 |
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/test ci/centos/mini-e2e-helm/k8s-1.26 |
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/test ci/centos/mini-e2e-helm/k8s-1.27 |
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/test ci/centos/mini-e2e/k8s-1.25 |
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/test ci/centos/mini-e2e/k8s-1.26 |
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/test ci/centos/mini-e2e/k8s-1.27 |
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/test ci/centos/upgrade-tests-cephfs |
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/test ci/centos/upgrade-tests-rbd |
Describe what this PR does
Set VolumeOptions.Pool parameter to empty for Snapshot-backed volumes. This Pool parameter is optional and only used as 'pool_layout' parameter during subvolume and subvolume clone create request in cephcsi and not used for Snapshot-backed volume at all.
It is not saved anywhere for use in subsequent operations after create too. Therefore, We can set it to empty and not error out.
Refer: https://docs.ceph.com/en/latest/cephfs/fs-volumes/?highlight=pool_layout#fs-subvolumes
Resolves: #3820