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Gracefully handle failed ENI SG update #1341

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merged 3 commits into from
May 19, 2021
Merged

Gracefully handle failed ENI SG update #1341

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83af18e
gracefully handle stale ENI's SG updates
jayanthvn Dec 22, 2020
9a2c6d9
Added counter for IMDS out of sync
jayanthvn Apr 8, 2021
293116b
Added the counter for IMDS out of sync
jayanthvn May 4, 2021
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5 changes: 5 additions & 0 deletions pkg/awsutils/awsutils.go
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Original file line number Diff line number Diff line change
Expand Up @@ -474,6 +474,11 @@ func (cache *EC2InstanceMetadataCache) RefreshSGIDs(mac string) error {
_, err = cache.ec2SVC.ModifyNetworkInterfaceAttributeWithContext(context.Background(), attributeInput)
awsAPILatency.WithLabelValues("ModifyNetworkInterfaceAttribute", fmt.Sprint(err != nil), awsReqStatus(err)).Observe(msSince(start))
if err != nil {
if aerr, ok := err.(awserr.Error); ok {
if aerr.Code() == "InvalidNetworkInterfaceID.NotFound" {
awsAPIErrInc("IMDSMetaDataOutOfSync", err)
}
}
awsAPIErrInc("ModifyNetworkInterfaceAttribute", err)
//No need to return error here since retry will happen in 30seconds and also
//If update failed due to stale ENI then returning error will prevent updating SG
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