Update plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/LibvirtStoragePool.java

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: weizhouapache

plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/LibvirtStoragePool.java

@@ -327,10 +327,18 @@ public boolean isPoolSupportHA() {
     public String getHearthBeatPath() {
         if (StoragePoolType.NetworkFilesystem.equals(type)) {
             String kvmScriptsDir = AgentPropertiesFileHandler.getPropertyValue(AgentProperties.KVM_SCRIPTS_DIR);
-            return Script.findScript(kvmScriptsDir, "kvmheartbeat.sh");
+            String scriptPath = Script.findScript(kvmScriptsDir, "kvmheartbeat.sh");
+            if (scriptPath == null) {
+                throw new CloudRuntimeException("Unable to find heartbeat script 'kvmheartbeat.sh' in directory: " + kvmScriptsDir);
+            }
+            return scriptPath;
         } else if (StoragePoolType.SharedMountPoint.equals(type)) {
             String kvmScriptsDir = AgentPropertiesFileHandler.getPropertyValue(AgentProperties.KVM_SCRIPTS_DIR);
-            return Script.findScript(kvmScriptsDir, "kvmsmpheartbeat.sh");
+            String scriptPath = Script.findScript(kvmScriptsDir, "kvmsmpheartbeat.sh");
+            if (scriptPath == null) {
+                throw new CloudRuntimeException("Unable to find heartbeat script 'kvmsmpheartbeat.sh' in directory: " + kvmScriptsDir);
+            }
+            return scriptPath;
         }
         return null;
     }