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Hemant Kumar c00b136c74 Check for available volume before attach/delete in EBS 
We should check for available volume before performing
attach or delete of EBS volume. This will make sure that
we do not blow up API quota of mutable operations in AWS and stay a
good citizen.
 		2017-11-02 13:36:21 -04:00
..
providers Check for available volume before attach/delete in EBS 2017-11-02 13:36:21 -04:00
BUILD update BUILD files 2017-10-15 18:18:13 -07:00
OWNERS Add cheftako to CP reviewers and wlan0 to approvers. 2017-10-05 14:44:07 -07:00
README.md fix broken cloud provider info urls 2017-09-27 08:49:33 -07:00
cloud.go Use custom error for "unimplemented" 2017-09-26 09:21:53 +02:00
doc.go Use Go canonical import paths 2016-07-16 13:48:21 -04:00
plugins.go add external cloudprovider to clerly denote the offloading off cloudprovider tasks 2017-03-06 10:45:13 -08:00

README.md

Deprecation Notice: This directory has entered maintenance mode and will not be accepting new providers. Cloud Providers in this directory will continue to be actively developed or maintained and supported at their current level of support as a longer-term solution evolves.

Overview:

The mechanism for supporting cloud providers is currently in transition: the original method of implementing cloud provider-specific functionality within the main kubernetes tree (here) is no longer advised; however, the proposed solution is still in development.

Guidance for potential cloud providers:

  • Support for cloud providers is currently in a state of flux. Background information on motivation and the proposal for improving is in the github proposal.
  • In support of this plan, a new cloud-controller-manager binary was added in 1.6. This was the first of several steps (see the proposal for more information).
  • Attempts to contribute new cloud providers or (to a lesser extent) persistent volumes to the core repo will likely meet with some pushback from reviewers/approvers.
  • It is understood that this is an unfortunate situation in which 'the old way is no longer supported but the new way is not ready yet', but the initial path is unsustainable, and contributors are encouraged to participate in the implementation of the proposed long-term solution, as there is risk that PRs for new cloud providers here will not be approved.
  • Though the fully productized support envisioned in the proposal is still 2 - 3 releases out, the foundational work is underway, and a motivated cloud provider could accomplish the work in a forward-looking way. Contributors are encouraged to assist with the implementation of the design outlined in the proposal.

Some additional context on status / direction:

  • 1.6 added a new cloud-controller-manager binary that may be used for testing the new out-of-core cloudprovider flow.
  • Setting cloud-provider=external allows for creation of a separate controller-manager binary
  • 1.7 adds extensible admission control, further enabling topology customization.