StorageObjectInUseProtection (was Persistent Volume Claim Protection)

[pospispa]

Feature Description

• One-line feature description (can be used as a release note): Prevent deletion of Storage Object that is In active Use (was Prevent deletion of Persistent Volume Claims that are used by a pod in 1.9)
• Primary contact (assignee): Pavel Pospisil (@pospispa)
• Responsible SIGs: @kubernetes/sig-storage-feature-requests
• Design proposal link (community repo): Postpone Deletion of a Persistent Volume Claim in case It Is Used by a Pod community#1174
• Reviewer(s) - (for LGTM) recommend having 2+ reviewers (at least one from code-area OWNERS file) agreed to review. Reviewers from multiple companies preferred:
  • @msau42
  • @jsafrane
• Approver (likely from SIG/area to which feature belongs): @jsafrane
• Feature target (which target equals to which milestone):
  • Alpha release target (x.y): 1.9
  • Beta release target (x.y): 1.10
  • Stable release target (x.y): 1.11

[pospispa]

/assign

[pospispa]

This feature aims to fix the bug: kubernetes/kubernetes#45143

[saad-ali]

PR implementing this feature: https://.com/kubernetes/kubernetes/pull/55824/files

[zacharysarah]

@pospispa 👋 Please indicate in the 1.9 feature tracking board
whether this feature needs documentation. If yes, please open a PR and add a link to the tracking spreadsheet. Thanks in advance!

[pospispa]

@zacharysarah it seems I don't have write permission for the 1.9 feature tracking board.
Anyway, this feature needs documentation and a documentation PR is opened:
kubernetes/website#6415

[stewart-yu]

Does have progress in this feature? I want to track about it

[pospispa]

The alpha version of this feature is merged. PRs:

• Postpone Deletion of a Persistent Volume Claim in case It Is Used by a Pod kubernetes#55824
• kubectl: Add Terminating state to PVCs kubernetes#55873

The alpha version doesn't include changes to scheduler that are not critical for the alpha version. Changes into scheduler are already approved (kubernetes/kubernetes#55957) and will be merged into K8s 1.10.

Documentatio PR is open and documentation is under review.

To sum it up, the alpha version of this feature should be released in K8s 1.9.