cloud-controller-manager/CSI - experimental features

[davidmccormick]

Allow cloud-controller-manager and CSI in master branch for further testing.
Both are disabled by default. We need to test these in readiness for when EBS volume provisioning will be removed from the kube-controller-manager in-tree drivers.
By adding CSI we can provision EBS volumes without the in-tree drivers.
Both cloud-controller-manager and CSI are working in new clusters but the migration code is problematic and can get stuck detaching a volume from a removed non-csi node...

E0217 22:32:13.112266       1 reconciler.go:238] attacherDetacher.DetachVolume failed to start for volume "pvc-5b937379-4cf4-4cb9-877d-c978ca30626f" (UniqueName: "kubernetes.io/aws-ebs/aws://eu-west-2a/vol-05515c17b1d470bdd") on node "ip-172-31-30-191.eu-west-2.compute.internal" : DetachVolume.NodeUsingCSIPlugin failed for volume "pvc-5b937379-4cf4-4cb9-877d-c978ca30626f" (UniqueName: "kubernetes.io/aws-ebs/aws://eu-west-2a/vol-05515c17b1d470bdd") on node "ip-172-31-30-191.eu-west-2.compute.internal" : csinode.storage.k8s.io "ip-172-31-30-191.eu-west-2.compute.internal" not found
E0217 22:32:13.212540       1 reconciler.go:238] attacherDetacher.DetachVolume failed to start for volume "pvc-5b937379-4cf4-4cb9-877d-c978ca30626f" (UniqueName: "kubernetes.io/aws-ebs/aws://eu-west-2a/vol-05515c17b1d470bdd") on node "ip-172-31-30-191.eu-west-2.compute.internal" : DetachVolume.NodeUsingCSIPlugin failed for volume "pvc-5b937379-4cf4-4cb9-877d-c978ca30626f" (UniqueName: "kubernetes.io/aws-ebs/aws://eu-west-2a/vol-05515c17b1d470bdd") on node "ip-172-31-30-191.eu-west-2.compute.internal" : csinode.storage.k8s.io "ip-172-31-30-191.eu-west-2.compute.internal" not found
E0217 22:32:13.312775       1 reconciler.go:238] attacherDetacher.DetachVolume failed to start for volume "pvc-5b937379-4cf4-4cb9-877d-c978ca30626f" (UniqueName: "kubernetes.io/aws-ebs/aws://eu-west-2a/vol-05515c17b1d470bdd") on node "ip-172-31-30-191.eu-west-2.compute.internal" : DetachVolume.NodeUsingCSIPlugin failed for volume "pvc-5b937379-4cf4-4cb9-877d-c978ca30626f" (UniqueName: "kubernetes.io/aws-ebs/aws://eu-west-2a/vol-05515c17b1d470bdd") on node "ip-172-31-30-191.eu-west-2.compute.internal" : csinode.storage.k8s.io "ip-172-31-30-191.eu-west-2.compute.internal" not found

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
To complete the pull request process, please assign davidmccormick
You can assign the PR to them by writing /assign @davidmccormick in a comment when ready.

The full list of commands accepted by this bot can be found here.

Needs approval from an approver in each of these files:

• OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[codecov-io]

Codecov Report

Merging #1835 into master will decrease coverage by 0.17%.
The diff coverage is 4.54%.

@@            Coverage Diff             @@
##           master    #1835      +/-   ##
==========================================
- Coverage   24.58%   24.41%   -0.18%     
==========================================
  Files          98       98              
  Lines        5072     5116      +44     
==========================================
+ Hits         1247     1249       +2     
- Misses       3685     3727      +42     
  Partials      140      140

Impacted Files	Coverage Δ
pkg/api/types.go	0% <ø> (ø)	⬆️
pkg/api/cluster.go	0% <0%> (ø)	⬆️
pkg/model/node_pool_config.go	22.89% <0%> (-1.79%)	⬇️
pkg/model/node_pool_compile.go	60.25% <100%> (+1.04%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update b34d9b6...53a4b67. Read the comment docs.