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Delete Orphaned Volumes on a timer #724

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merged 4 commits into from
Jan 24, 2024
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@tiagolobocastro tiagolobocastro commented Jan 23, 2024

fix(csi-controller/gc): list volumes with pagination

Signed-off-by: Tiago Castro <tiagolobocastro@gmail.com>

chore: correct typo in the plaftform code

Signed-off-by: Tiago Castro <tiagolobocastro@gmail.com>

refactor(csi-controller/gc): reduce excessive unwrap and nesting

Signed-off-by: Tiago Castro <tiagolobocastro@gmail.com>

feat(csi-controller/orphaned-vols): gc orphaned volumes on a timer

Due to a k8s bug, when pv deletion is attempted before pvc deletion, we may not
receive the delete request, and thus leaking volumes, which cannot be deleted
through any user facing api.

Existing code to clean up orphaned volumes was being made use for the case when
certain pv events might be missed.
Therefore current WA is to delete the csi-controller pod.
This change makes use of this existing logic but runs it on a given time period
which is by default 5 minutes, which  allows us to automatically WA the bug.

Signed-off-by: Tiago Castro <tiagolobocastro@gmail.com>

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Resolves openebs/mayastor#1269

Due to a k8s bug, when pv deletion is attempted before pvc deletion, we may not
receive the delete request, and thus leaking volumes, which cannot be deleted
through any user facing api.

Existing code to clean up orphaned volumes was being made use for the case when
certain pv events might be missed.
Therefore current WA is to delete the csi-controller pod.
This change makes use of this existing logic but runs it on a given time period
which is by default 5 minutes, which  allows us to automatically WA the bug.

Signed-off-by: Tiago Castro <tiagolobocastro@gmail.com>
Signed-off-by: Tiago Castro <tiagolobocastro@gmail.com>
Signed-off-by: Tiago Castro <tiagolobocastro@gmail.com>
Signed-off-by: Tiago Castro <tiagolobocastro@gmail.com>
@tiagolobocastro
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bors merge

@bors-openebs-mayastor
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Build succeeded:

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2 participants