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Merge pull request #66728 from gnufied/fix-volume-modifition-aws

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Automatic merge from submit-queue (batch tested with PRs 66489, 66728, 66739). 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>.

Speed up volume modifications on AWS

Volume becomes reusable after it reached optimizing state.

/sig storage
/sig aws


```release-note
Make EBS volume expansion faster
```

cc @d-nishi @kokhang
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Kubernetes Submit Queue 2018-07-30 17:10:04 -07:00 committed by GitHub
commit 1f8b3fded9
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4
pkg/cloudprovider/providers/aws/aws.go
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@ -1796,7 +1796,9 @@ func (d *awsDisk) modifyVolume(requestGiB int64) (int64, error) {
return false, err return false, err
} }
if aws.StringValue(volumeModification.ModificationState) == ec2.VolumeModificationStateCompleted { // According to https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/monitoring_mods.html
// Size changes usually take a few seconds to complete and take effect after a volume is in the Optimizing state.
if aws.StringValue(volumeModification.ModificationState) == ec2.VolumeModificationStateOptimizing {
return true, nil return true, nil
} }
return false, nil return false, nil