kvm: fix router.aggregation.command.each.timeout is reset to 600 when update other kvm configs (#4496)

* kvm: fix router.aggregation.command.each.timeout is reset to 600 when update other kvm configs

* remove _params

Author: ustcweizhou

core/src/main/java/com/cloud/agent/resource/virtualnetwork/VirtualRoutingResource.java

@@ -87,7 +87,6 @@ public class VirtualRoutingResource {
     private int _retry;
     private int _port;
     private Duration _eachTimeout;
-    private Map<String, Object> _params;
 
     private String _cfgVersion = "1.0";
 
@@ -397,7 +396,7 @@ private Answer execute(GetDomRVersionCmd cmd) {
     }
 
     public boolean configureHostParams(final Map<String, String> params) {
-        if (_params.get("router.aggregation.command.each.timeout") != null) {
+        if (params.get("router.aggregation.command.each.timeout") != null) {
             String value = (String)params.get("router.aggregation.command.each.timeout");
             _eachTimeout = Duration.standardSeconds(NumbersUtil.parseLong(value, 600));
             if (s_logger.isDebugEnabled()){
@@ -410,7 +409,6 @@ public boolean configureHostParams(final Map<String, String> params) {
 
     public boolean configure(final String name, final Map<String, Object> params) throws ConfigurationException {
         _name = name;
-        _params = params;
 
         String value = (String)params.get("ssh.sleep");
         _sleep = NumbersUtil.parseInt(value, 10) * 1000;