Automatic merge from submit-queue (batch tested with PRs 42443, 38924, 42367, 42391, 42310)
Dell EMC ScaleIO Volume Plugin
**What this PR does / why we need it**
This PR implements the Kubernetes volume plugin to allow pods to seamlessly access and use data stored on ScaleIO volumes. [ScaleIO](https://www.emc.com/storage/scaleio/index.htm) is a software-based storage platform that creates a pool of distributed block storage using locally attached disks on every server. The code for this PR supports persistent volumes using PVs, PVCs, and dynamic provisioning.
You can find examples of how to use and configure the ScaleIO Kubernetes volume plugin in [examples/volumes/scaleio/README.md](examples/volumes/scaleio/README.md).
**Special notes for your reviewer**:
To facilitate code review, commits for source code implementation are separated from other artifacts such as generated, docs, and vendored sources.
```release-note
ScaleIO Kubernetes Volume Plugin added enabling pods to seamlessly access and use data stored on ScaleIO volumes.
```
Automatic merge from submit-queue
fix kubectl describe pod, show tolerationSeconds
**What this PR does / why we need it**:
tolerationSeconds is now not shown in kubectl describe resutl, this PR is to fix it.
With this fix, pod toleration with tolerationSeconds would like below:
```yaml
Name: bar
Namespace: foo
Node: /
Labels: <none>
Status:
IP:
Controllers: <none>
Containers: <none>
No volumes.
QoS Class:
Node-Selectors: <none>
Tolerations: key1=value1
key2=value2:NoSchedule
key3=value3:NoExecute for 300s
```
**Which issue this PR fixes** :
Related issue: #1574
Related PR: #39469
**Special notes for your reviewer**:
**Release note**:
```release-note
make kubectl describe pod show tolerationSeconds
```
- Add a new type PortworxVolumeSource
- Implement the kubernetes volume plugin for Portworx Volumes under pkg/volume/portworx
- The Portworx Volume Driver uses the libopenstorage/openstorage specifications and apis for volume operations.
Changes for k8s configuration and examples for portworx volumes.
- Add PortworxVolume hooks in kubectl, kube-controller-manager and validation.
- Add a README for PortworxVolume usage as PVs, PVCs and StorageClass.
- Add example spec files
Handle code review comments.
- Modified READMEs to incorporate to suggestions.
- Add a test for ReadWriteMany access mode.
- Use util.UnmountPath in TearDown.
- Add ReadOnly flag to PortworxVolumeSource
- Use hostname:port instead of unix sockets
- Delete the mount dir in TearDown.
- Fix link issue in persistentvolumes README
- In unit test check for mountpath after Setup is done.
- Add PVC Claim Name as a Portworx Volume Label
Generated code and documentation.
- Updated swagger spec
- Updated api-reference docs
- Updated generated code under pkg/api/v1
Godeps update for Portworx Volume Driver
- Adds github.com/libopenstorage/openstorage
- Adds go.pedge.io/pb/go/google/protobuf
- Updates Godep Licenses