Merge pull request #3412 from yike21/update-document-for-karmadactlinterpret

add an example for examples/karmadactlinterpret/README.md

Author: karmada-bot

examples/karmadactlinterpret/README.md

@@ -11,7 +11,7 @@ karmadactl interpret -f resourceinterpretercustomization.yaml --check
 *Execute the InterpretReplica rule*
 
 ```shell
-karmadactl interpret -f resourceinterpretercustomization.yaml --observed-file observed-deploy-nginx.yaml --operation=InterpretReplica
+karmadactl interpret -f resourceinterpretercustomization.yaml --observed-file observed-deploy-nginx.yaml --operation InterpretReplica
 ```
 
 *Execute the Retain rule*
@@ -20,6 +20,12 @@ karmadactl interpret -f resourceinterpretercustomization.yaml --observed-file ob
 karmadactl interpret -f resourceinterpretercustomization.yaml --desired-file desired-deploy-nginx.yaml --observed-file observed-deploy-nginx.yaml --operation Retain
 ```
 
+*Execute the ReviseReplica rule*
+
+```shell
+karmadactl interpret -f resourceinterpretercustomization.yaml --desired-replica 3 --observed-file observed-deploy-nginx.yaml --operation ReviseReplica
+```
+
 *Execute the InterpretStatus rule*
 
 ```shell

examples/karmadactlinterpret/resourceinterpretercustomization.yaml

@@ -57,21 +57,8 @@ spec:
         end
     dependencyInterpretation:
       luaScript: >
+        local kube = require("kube")
         function GetDependencies(desiredObj)
-          dependentSas = {}
-          refs = {}
-          if desiredObj.spec.template.spec.serviceAccountName ~= '' and desiredObj.spec.template.spec.serviceAccountName ~= 'default' then
-            dependentSas[desiredObj.spec.template.spec.serviceAccountName] = true
-          end
-          local idx = 1
-          for key, value in pairs(dependentSas) do
-            dependObj = {}
-            dependObj.apiVersion = 'v1'
-            dependObj.kind = 'ServiceAccount'
-            dependObj.name = key
-            dependObj.namespace = desiredObj.metadata.namespace
-            refs[idx] = dependObj
-            idx = idx + 1
-          end
+          refs = kube.getPodDependencies(desiredObj.spec.template, desiredObj.metadata.namespace)
           return refs
         end