Fix restart MS issue and method mappings in provisioner.sh

Author: abh1sar

plugins/hypervisors/external/src/main/java/com/cloud/hypervisor/external/provisioner/simpleprovisioner/SimpleExternalProvisioner.java

@@ -272,13 +272,12 @@ public RunCustomActionAnswer runCustomAction(RunCustomActionCommand cmd) {
     public void prepareScripts(Long extensionId, Long extensionResourceId) {
         String destinationPath = String.format(EXTENSION_SCRIPT_PATH, extensionId, extensionResourceId);
         File destinationFile = new File(destinationPath);
+        filledExtensionPath = destinationPath;
         if (destinationFile.exists()) {
             logger.info("File already exists at " + destinationPath + ", skipping copy.");
             return;
         }
 
-        filledExtensionPath = destinationPath;
-
         String destinationDir = destinationPath.substring(0, destinationPath.lastIndexOf('/'));
         Script mkdirScript = new Script(true, "/bin/mkdir", 0, logger);
         mkdirScript.add("-p", destinationDir);

scripts/vm/hypervisor/external/simpleExternalProvisioner/provisioner.sh

@@ -99,13 +99,13 @@ case $action in
         delete "$parameters"
         ;;
     start)
-        prepare "$parameters"
+        start "$parameters"
         ;;
     stop)
-        create "$parameters"
+        stop "$parameters"
         ;;
     reboot)
-        delete "$parameters"
+        reboot "$parameters"
         ;;
     status)
         status "$parameters"