[BACKPORT 2025.1.2][PLAT-18355] Add common labels to YBA generated objects for the universe

Summary:
[PLAT-18355] Add common labels to YBA generated objects for the universe
Original commit: fe80a16 / D48481

Test Plan:
phabricator itest
local manual test

Reviewers: dshubin, vkumar, anabaria

Reviewed By: anabaria

Subscribers: yugaware

Differential Revision: https://phorge.dev.yugabyte.com/D48861

Author: amannijhawan

managed/src/main/java/com/yugabyte/yw/common/ShellKubernetesManager.java

@@ -1372,7 +1372,9 @@ private void createPodDisruptionBudgetPolicy(
           cluster.uuid);
       return;
     }
-    String pdbPolicyYaml = generatePDBPolicyYaml(universe, cluster, serverType);
+    // Get helm overrides to extract commonLabels
+    Map<String, Object> commonLabels = extractCommonLabelsFromHelmOverrides(cluster);
+    String pdbPolicyYaml = generatePDBPolicyYaml(universe, cluster, serverType, commonLabels);
     PlacementInfo pi = cluster.placementInfo;
     boolean isReadOnlyCluster = cluster.clusterType == ClusterType.ASYNC;
     KubernetesPlacement placement = new KubernetesPlacement(pi, isReadOnlyCluster);
@@ -1402,7 +1404,10 @@ private void createPodDisruptionBudgetPolicy(
   }
 
   private String generatePDBPolicyYaml(
-      Universe universe, UniverseDefinitionTaskParams.Cluster cluster, ServerType serverType) {
+      Universe universe,
+      UniverseDefinitionTaskParams.Cluster cluster,
+      ServerType serverType,
+      Map<String, Object> commonLabels) {
     Map<String, Object> policy = new HashMap<String, Object>();
     policy.put("apiVersion", "policy/v1");
     policy.put("kind", "PodDisruptionBudget");
@@ -1412,7 +1417,13 @@ private String generatePDBPolicyYaml(
             universe.getName(),
             cluster.clusterType.equals(ClusterType.PRIMARY) ? "primary" : "replica",
             serverType.name().toLowerCase());
-    policy.put("metadata", ImmutableMap.of("name", policyName));
+    Map<String, Object> metadata = new HashMap<>();
+    metadata.put("name", policyName);
+    // Add commonLabels to metadata if present
+    if (commonLabels != null && !commonLabels.isEmpty()) {
+      metadata.put("labels", commonLabels);
+    }
+    policy.put("metadata", metadata);
     policy.put("spec", createPDBSpec(cluster, universe, serverType));
     Yaml yaml = new Yaml();
     try {
@@ -1474,6 +1485,43 @@ private Optional<Object> createPDBMatchExpressions(
     }
   }
 
+  /**
+   * Extracts commonLabels from helm overrides. Similar to generateHelmOverride() in
+   * KubernetesCommandExecutor, this checks merged overrides which include provider, universe, and
+   * AZ-level overrides. Returns the first non-empty commonLabels found.
+   *
+   * @param cluster The cluster to extract commonLabels from
+   * @return Map of commonLabels, or empty map if not found
+   */
+  @SuppressWarnings("unchecked")
+  private Map<String, Object> extractCommonLabelsFromHelmOverrides(
+      UniverseDefinitionTaskParams.Cluster cluster) {
+    try {
+      // Get final overrides which merges provider, universe, and AZ overrides
+      // This follows the same precedence as generateHelmOverride() in KubernetesCommandExecutor:
+      // provider overrides -> universe overrides -> AZ overrides
+      Map<UUID, Map<String, Object>> finalOverrides =
+          KubernetesUtil.getFinalOverrides(
+              cluster, cluster.userIntent.universeOverrides, cluster.userIntent.azOverrides);
+
+      // Check merged overrides (which include provider, universe, and AZ overrides)
+      // The merged overrides follow the same precedence as generateHelmOverride()
+      if (finalOverrides != null && !finalOverrides.isEmpty()) {
+        for (Map<String, Object> mergedOverrides : finalOverrides.values()) {
+          if (mergedOverrides != null && mergedOverrides.containsKey("commonLabels")) {
+            Object commonLabelsObj = mergedOverrides.get("commonLabels");
+            if (commonLabelsObj instanceof Map) {
+              return (Map<String, Object>) commonLabelsObj;
+            }
+          }
+        }
+      }
+    } catch (Exception e) {
+      log.warn("Error extracting commonLabels from helm overrides: {}", e.getMessage());
+    }
+    return new HashMap<>();
+  }
+
   public void checkOpentelemetryOperatorRunning() {
     List<String> commandList =
         ImmutableList.of("kubectl", "api-resources", "--api-group=opentelemetry.io");