Improve Flexvolume Deployment

[verult]

Feature Description

• One-line feature description (can be used as a release note): Provides a way to deploy Flexvolume drivers using DaemonSet, and allows drivers to be discovered automatically on the fly, rather than only at kubelet or controller manager initialization.
• Primary contact (assignee): @verult
• Responsible SIGs: @kubernetes/sig-storage-feature-requests
• Design proposal link (community repo): Dynamic Flexvolume plugin discovery proposal. community#833
• Reviewer(s) - (for LGTM) recommend having 2+ reviewers (at least one from code-area OWNERS file) agreed to review. Reviewers from multiple companies preferred: @bassam @chakri-nelluri @kokhang @liggitt @thockin
• Approver (likely from SIG/area to which feature belongs): @jsafrane @saad-ali
• Feature target (which target equals to which milestone):
  • Alpha release target (x.y): 1.8

[idvoretskyi]

@verult any progress for 1.8?

If yes, please, update the features tracking board with the relevant data.

[verult]

This feature is now complete. Will update the tracking board. Thanks!

Dynamic plugin discovery implementation: kubernetes/kubernetes#50031
Dynamic plugin discovery design doc and recommended Flexvolume deployment method: kubernetes/community#833

[jdumars]

@verult any update on missing docs? PR is due today

[verult]

Awaiting doc writer approval: kubernetes/website#5492

[verult]

Merged!

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