[PLAT-15569] Block pause universe if it has ephemeral storage

Summary: Pausing a universe with ephemeral storage will cause dataloss, so block it.

Test Plan: paused universe with ephemeral storage. it failed the API

Reviewers: muthu, nsingh

Reviewed By: muthu, nsingh

Subscribers: yugaware

Differential Revision: https://phorge.dev.yugabyte.com/D41699

managed/src/main/java/com/yugabyte/yw/commissioner/tasks/PauseUniverse.java

@@ -10,8 +10,12 @@
 
 package com.yugabyte.yw.commissioner.tasks;
 
+import static play.mvc.Http.Status.BAD_REQUEST;
+
 import com.yugabyte.yw.commissioner.BaseTaskDependencies;
 import com.yugabyte.yw.commissioner.UserTaskDetails.SubTaskGroupType;
+import com.yugabyte.yw.common.PlatformServiceException;
+import com.yugabyte.yw.forms.UniverseDefinitionTaskParams;
 import com.yugabyte.yw.forms.UniverseTaskParams;
 import com.yugabyte.yw.models.Universe;
 import java.util.UUID;
@@ -34,6 +38,19 @@ public Params params() {
     return (Params) taskParams;
   }
 
+  @Override
+  public void validateParams(boolean isFirstTry) {
+    super.validateParams(isFirstTry);
+    if (isFirstTry) {
+      // Verify the task params.
+      Universe universe = Universe.getOrBadRequest(taskParams().getUniverseUUID());
+      if (UniverseDefinitionTaskParams.hasEphemeralStorage(universe.getUniverseDetails())) {
+        throw new PlatformServiceException(
+            BAD_REQUEST, "Cannot pause universe with ephemeral storage");
+      }
+    }
+  }
+
   @Override
   public void run() {
     try {