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Merge pull request #39476 from rootfs/azure-logging 

Automatic merge from submit-queue

azure disk: add logging on disk attach

**What this PR does / why we need it**:
While we were debugging a failed azure disk attach, we were missing logging information to identify the root cause. This fix logs information at each stage of attach to help identify where problem is once it happens again.

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

**Special notes for your reviewer**:

**Release note**:

NONE
pull/6/head
Kubernetes Submit Queue 2017-04-07 16:03:44 -07:00 committed by GitHub
parent 98a4c6ba7f 7dae0547ec
commit 6198c469cd
1 changed files with 2 additions and 1 deletions
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3
pkg/volume/azure_dd/attacher.go
View File

@ -94,6 +94,7 @@ func (attacher *azureDiskAttacher) Attach(spec *volume.Spec, nodeName types.Node
// Volume is already attached to node.
glog.V(4).Infof("Attach operation is successful. volume %q is already attached to node %q at lun %d.", volumeSource.DiskName, instanceid, lun)
} else {
glog.V(4).Infof("GetDiskLun returned: %v. Initiating attaching volume %q to node %q.", err, volumeSource.DataDiskURI, nodeName)
getLunMutex.LockKey(instanceid)
defer getLunMutex.UnlockKey(instanceid)
@ -102,7 +103,7 @@ func (attacher *azureDiskAttacher) Attach(spec *volume.Spec, nodeName types.Node
glog.Warningf("no LUN available for instance %q", nodeName)
return "", fmt.Errorf("all LUNs are used, cannot attach volume %q to instance %q", volumeSource.DiskName, instanceid)
}
glog.V(4).Infof("Trying to attach volume %q lun %d to node %q.", volumeSource.DataDiskURI, lun, nodeName)
err = attacher.azureProvider.AttachDisk(volumeSource.DiskName, volumeSource.DataDiskURI, nodeName, lun, compute.CachingTypes(*volumeSource.CachingMode))
if err == nil {
glog.V(4).Infof("Attach operation successful: volume %q attached to node %q.", volumeSource.DataDiskURI, nodeName)