CKS: do not save cks username/password which are useless (#7097)

Author: weizhouapache

plugins/integrations/kubernetes-service/src/main/java/com/cloud/kubernetes/cluster/KubernetesClusterManagerImpl.java

@@ -18,10 +18,8 @@
 
 import static com.cloud.utils.NumbersUtil.toHumanReadableSize;
 
-import java.math.BigInteger;
 import java.net.MalformedURLException;
 import java.net.URL;
-import java.security.SecureRandom;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Date;
@@ -793,10 +791,6 @@ public void doInTransactionWithoutResult(TransactionStatus status) {
                 addKubernetesClusterDetailIfIsNotEmpty(details, kubernetesClusterId, ApiConstants.DOCKER_REGISTRY_PASSWORD, dockerRegistryPassword, false);
                 addKubernetesClusterDetailIfIsNotEmpty(details, kubernetesClusterId, ApiConstants.DOCKER_REGISTRY_URL, dockerRegistryUrl, true);
 
-                details.add(new KubernetesClusterDetailsVO(kubernetesCluster.getId(), ApiConstants.USERNAME, "admin", true));
-                SecureRandom random = new SecureRandom();
-                String randomPassword = new BigInteger(130, random).toString(32);
-                details.add(new KubernetesClusterDetailsVO(kubernetesClusterId, ApiConstants.PASSWORD, randomPassword, false));
                 details.add(new KubernetesClusterDetailsVO(kubernetesClusterId, "networkCleanup", String.valueOf(networkCleanup), true));
                 kubernetesClusterDetailsDao.saveDetails(details);
             }