Execute Cluster Node Method

Microsoft.Windows.Cluster.Node.Action (WriteActionModuleType)

This Write Action executes actions in cluster nodes.

Element properties:

Member Modules:

Overrideable Parameters:

Source Code:

<WriteActionModuleType ID="Microsoft.Windows.Cluster.Node.Action" Accessibility="Internal" RunAs="Cluster!Microsoft.Windows.Cluster.PrivilegedAccount" Batching="false">

  <Configuration>

    <xsd:element name="MethodName" type="xsd:string"/>

    <xsd:element name="TimeoutSeconds" type="xsd:integer"/>

  </Configuration>

  <OverrideableParameters>

    <OverrideableParameter ID="TimeoutSeconds" Selector="$Config/TimeoutSeconds$" ParameterType="int"/>

  </OverrideableParameters>

  <ModuleImplementation Isolation="Any">

    <Composite>

      <MemberModules>

        <WriteAction ID="WA" TypeID="System!System.CommandExecuter">

          <ApplicationName/>

          <WorkingDirectory/>

          <CommandLine>cscript ClusterNodeExecuteMethod.js "$Target/Property[Type='ClusLibrary!Microsoft.Windows.Cluster.Node']/NodeName$" "$Config/MethodName$"</CommandLine>

          <TimeoutSeconds>$Config/TimeoutSeconds$</TimeoutSeconds>

          <RequireOutput>true</RequireOutput>

          <Files>

            <File>

              <Name>ClusterNodeExecuteMethod.js</Name>

              <Contents><Script>

                        //Copyright (c) Microsoft Corporation. All rights reserved.

                        var oArgs = WScript.Arguments;



                        // Process Arguments:

                        //      0 - Node

                        //      1 - MethodName



                        var strComputer, MethodName;

                        var Trace = false;



                        strComputer = oArgs(0);

                        MethodName  = oArgs(1);



                        try

                        {

                            // there is difference between 2003 and 2008

                            // check if object has method to pause/resume node



                            var objSvc = null;



                            if ( HasMethod ( "MSCluster_Service", MethodName ) )

                            {

                                objSvc = GetObject("winmgmts:{impersonationLevel=impersonate}!\\\\" + strComputer + "\\root\\mscluster:MSCluster_Service.Name=\"ClusterService\",SystemName=\"" + strComputer + "\"");

                            }

                            else if ( HasMethod ( "MSCluster_Node", MethodName ) )

                            {

                                objSvc = GetObject("winmgmts:{impersonationLevel=impersonate}!\\\\" + strComputer + "\\root\\mscluster:MSCluster_Node.Name=\"" + strComputer + "\"");

                            }



                            if ( !(objSvc == null) )

                            {

                                PrintTrace("EXECUTING METHOD " + MethodName);



                                // Get the WMI method and setup the params

                                var objMethod = objSvc.Methods_.Item(MethodName);



                                // Execute the method and retrieve the value

                                var objOutParam = objSvc.ExecMethod_(objMethod.Name);

                            }

                        }

                        catch (e)

                        {

                            PrintError(e);

                        }



                        function HasMethod(className, methodName)

                        {

                            var methods = null;



                            try

                            {

                                var objSvc = GetObject("winmgmts:{impersonationLevel=impersonate}!\\\\" + strComputer + "\\root\\mscluster:" + className);

                                methods = objSvc.Methods_.Item(methodName);

                            }

                            catch(e)

                            {

                            }



                            if (methods == null)

                            {

                                PrintTrace("There is no method " + methodName + " in class " + className);

                                return false;

                            }



                            PrintTrace("Method " + methodName + " in class " + className + " was found!");

                            return true ;

                        }



                        function PrintTrace(msg)

                        {

                            if (Trace)

                            {

                                WScript.Echo(msg);

                            }

                        }



                        function PrintError(error)

                        {

                            if (Trace)

                            {

                                WScript.Echo("============================= BEGIN SCRIPT ERROR =================================\n");

                                WScript.Echo("Error Number : " + error.number);

                                WScript.Echo("Error Code : " + (error.number &amp; 0xFFFF));

                                WScript.Echo("Win32 Facility : " + (error.number&gt;&gt;16 &amp; 0x1FFF));

                                WScript.Echo("Error Description : " + error.description + "\n");

                                WScript.Echo("============================== END SCRIPT ERROR ==================================\n");

                            }

                        }

                      </Script></Contents>

              <Unicode>false</Unicode>

            </File>

          </Files>

        </WriteAction>

      </MemberModules>

      <Composition>

        <Node ID="WA"/>

      </Composition>

    </Composite>

  </ModuleImplementation>

  <InputType>System!System.BaseData</InputType>

</WriteActionModuleType>