Revert "upgrade ovs-ovn pod by generation version instead of chart ve…

…rsion (#1960)" (#3386)

This reverts commit f075458.

Signed-off-by: 马洪贞 <hzma@alauda.io>

dist/images/upgrade-ovs.sh

@@ -1,11 +1,11 @@
 #!/bin/bash
 
-dsGenVer=`kubectl get ds -n kube-system ovs-ovn -o jsonpath={.metadata.generation}`
+dsChartVer=`kubectl get ds -n kube-system ovs-ovn -o jsonpath={.metadata.annotations.chart-version}`
 podNames=`kubectl get pod -n kube-system | grep ovs-ovn | awk '{print $1}'`
 for pod in $podNames
 do
-  podGenVer=`kubectl get pod -n kube-system $pod -o jsonpath={.metadata.labels.pod-template-generation}`
-  if [ $dsGenVer == $podGenVer ]
+  podChartVer=`kubectl get pod -n kube-system $pod -o jsonpath={.metadata.annotations.chart-version}`
+  if [ $dsChartVer == $podChartVer ]
   then
     echo "pod $pod alreay upgraded"
     continue