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Merge pull request #45049 from wongma7/volumeinuse

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Automatic merge from submit-queue (batch tested with PRs 46686, 45049, 46323, 45708, 46487)

Log an EBS vol's instance when attaching fails because VolumeInUse

Messages now look something like this:
E0427 15:44:37.617134   16932 attacher.go:73] Error attaching volume "vol-00095ddceae1a96ed": Error attaching EBS volume "vol-00095ddceae1a96ed" to instance "i-245203b7": VolumeInUse: vol-00095ddceae1a96ed is already attached to an instance
        status code: 400, request id: f510c439-64fe-43ea-b3ef-f496a5cd0577. The volume is currently attached to instance "i-072d9328131bcd9cd"
weird that AWS doesn't bother to put that information in there for us (it does when you try to delete a vol that's in use)
```release-note
NONE
```
This commit is contained in:
Kubernetes Submit Queue 2017-06-01 03:42:05 -07:00 committed by GitHub
commit 43ac38e29e
1 changed files with 23 additions and 1 deletions
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24
pkg/cloudprovider/providers/aws/aws.go
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@ -1522,6 +1522,28 @@ func (c *Cloud) getAwsInstance(nodeName types.NodeName) (*awsInstance, error) {
return awsInstance, nil
}
// wrapAttachError wraps the error returned by an AttachVolume request with
// additional information, if needed and possible.
func wrapAttachError(err error, disk *awsDisk, instance string) error {
if awsError, ok := err.(awserr.Error); ok {
if awsError.Code() == "VolumeInUse" {
info, err := disk.describeVolume()
if err != nil {
glog.Errorf("Error describing volume %q: %v", disk.awsID, err)
} else {
for _, a := range info.Attachments {
if disk.awsID != awsVolumeID(aws.StringValue(a.VolumeId)) {
glog.Warningf("Expected to get attachment info of volume %q but instead got info of %q", disk.awsID, aws.StringValue(a.VolumeId))
} else if aws.StringValue(a.State) == "attached" {
return fmt.Errorf("Error attaching EBS volume %q to instance %q: %v. The volume is currently attached to instance %q", disk.awsID, instance, awsError, aws.StringValue(a.InstanceId))
}
}
}
}
}
return fmt.Errorf("Error attaching EBS volume %q to instance %q: %v", disk.awsID, instance, err)
}
// AttachDisk implements Volumes.AttachDisk
func (c *Cloud) AttachDisk(diskName KubernetesVolumeID, nodeName types.NodeName, readOnly bool) (string, error) {
disk, err := newAWSDisk(c, diskName)
@ -1578,7 +1600,7 @@ func (c *Cloud) AttachDisk(diskName KubernetesVolumeID, nodeName types.NodeName,
if err != nil {
attachEnded = true
// TODO: Check if the volume was concurrently attached?
return "", fmt.Errorf("Error attaching EBS volume %q to instance %q: %v", disk.awsID, awsInstance.awsID, err)
return "", wrapAttachError(err, disk, awsInstance.awsID)
}
if da, ok := c.deviceAllocators[awsInstance.nodeName]; ok {
da.Deprioritize(mountDevice)