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Handle pod deletion when PrevResult has VLAN 0 #2323

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merged 2 commits into from
Mar 30, 2023
Merged

Handle pod deletion when PrevResult has VLAN 0 #2323

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e7d0516
handle PrevResult with VLAN ID of 0
jdn5126 Mar 17, 2023
9daabc3
use constant for reserved VLAN ID
jdn5126 Mar 22, 2023
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6 changes: 5 additions & 1 deletion cmd/routed-eni-cni-plugin/cni.go
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Original file line number Diff line number Diff line change
Expand Up @@ -431,9 +431,13 @@ func tryDelWithPrevResult(driverClient driver.NetworkAPIs, conf *NetConf, k8sArg
return false, nil
}
podVlanID, err := strconv.Atoi(dummyIface.Mac)
if err != nil || podVlanID == 0 {
if err != nil {
return true, errors.Errorf("malformed vlanID in prevResult: %s", dummyIface.Mac)
}
// If VLAN value is 0, return without handling so that normal delete logic can occur.
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if podVlanID == 0 {
return false, nil
}
if isNetnsEmpty(netNS) {
log.Infof("Ignoring TeardownPodENI as Netns is empty for SG pod:%s namespace: %s containerID:%s", k8sArgs.K8S_POD_NAME, k8sArgs.K8S_POD_NAMESPACE, k8sArgs.K8S_POD_INFRA_CONTAINER_ID)
return true, nil
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4 changes: 2 additions & 2 deletions cmd/routed-eni-cni-plugin/cni_test.go
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Expand Up @@ -604,7 +604,7 @@ func Test_tryDelWithPrevResult(t *testing.T) {
wantErr: errors.New("malformed vlanID in prevResult: xxx"),
},
{
name: "malformed vlanID in prevResult - 0",
name: "vlanID in prevResult - 0",
fields: fields{},
args: args{
conf: &NetConf{
Expand Down Expand Up @@ -643,7 +643,7 @@ func Test_tryDelWithPrevResult(t *testing.T) {
},
contVethName: "eth0",
},
wantErr: errors.New("malformed vlanID in prevResult: 0"),
want: false,
},
{
name: "confVeth don't exists",
Expand Down