overload findById for dnsServer

Author: sudo87

api/src/main/java/org/apache/cloudstack/api/command/user/dns/UpdateDnsServerCmd.java

@@ -76,7 +76,6 @@ public class UpdateDnsServerCmd extends BaseCmd {
     private String publicDomainSuffix;
 
     @Parameter(name = ApiConstants.NAME_SERVERS, type = CommandType.LIST, collectionType = CommandType.STRING,
-            required = true,
             description = "Comma separated list of name servers; used to create NS records for the DNS Zone (for example, ns1.example.com, ns2.example.com)")
     private List<String> nameServers;
 

server/src/main/java/org/apache/cloudstack/dns/dao/DnsServerDao.java

@@ -29,6 +29,9 @@
 import com.cloud.utils.db.GenericDao;
 
 public interface DnsServerDao extends GenericDao<DnsServerVO, Long> {
+
+    DnsServerVO findById(long dnsServerId);
+
     DnsServer findByUrlAndAccount(String url, long accountId);
 
     List<Long> listDnsServerIdsByAccountId(Long accountId);

server/src/main/java/org/apache/cloudstack/dns/dao/DnsServerDaoImpl.java

@@ -74,6 +74,13 @@ public DnsServerDaoImpl() {
 
     }
 
+    @Override
+    public DnsServerVO findById(long dnsServerId) {
+        DnsServerVO dnsServer = super.findById(dnsServerId);
+        loadDetails(dnsServer);
+        return dnsServer;
+    }
+
     @Override
     public DnsServer findByUrlAndAccount(String url, long accountId) {
         SearchCriteria<DnsServerVO> sc = AccountUrlSearch.create();