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Merge pull request #56147 from andyzhangx/mountoptions-azuredisk

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Automatic merge from submit-queue (batch tested with PRs 57172, 55382, 56147, 56146, 56158). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

add mount options support for azure disk

**What this PR does / why we need it**:
add mount options support for azure disk

example azure class with mount options:
```
kind: StorageClass
apiVersion: storage.k8s.io/v1
metadata:
  name: hdd
provisioner: kubernetes.io/azure-disk
mountOptions:
  - barrier=1
  - acl
parameters:
  skuname: Standard_LRS
  kind: Managed
  fstype: ext3
```

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #56131

**Special notes for your reviewer**:

**Release note**:

```
add mount options support for azure disk
```
/sig azure
/assign @rootfs
This commit is contained in:
Kubernetes Submit Queue 2017-12-14 12:38:15 -08:00 committed by GitHub
commit bf5f96d64a
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4
pkg/volume/azure_dd/azure_mounter.go
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@ -104,6 +104,10 @@ func (m *azureDiskMounter) SetUpAt(dir string, fsGroup *int64) error {
options = append(options, "ro")
}
if m.options.MountOptions != nil {
options = volume.JoinMountOptions(m.options.MountOptions, options)
}
glog.V(4).Infof("azureDisk - Attempting to mount %s on %s", diskName, dir)
isManagedDisk := (*volumeSource.Kind == v1.AzureManagedDisk)
globalPDPath, err := makeGlobalPDPath(m.plugin.host, volumeSource.DataDiskURI, isManagedDisk)