NiCE Library: Restart Health Service

NiCE.Library.W.RestartHealthService.WA (WriteActionModuleType)

WriteAction to restart the Health Service.

Element properties:

Member Modules:

Source Code:

<WriteActionModuleType ID="NiCE.Library.W.RestartHealthService.WA" Accessibility="Public" RunAs="System!System.PrivilegedMonitoringAccount" Batching="false">

  <Configuration/>

  <ModuleImplementation Isolation="Any">

    <Composite>

      <MemberModules>

        <WriteAction ID="WriteEvent" TypeID="Windows!Microsoft.Windows.ScriptWriteAction">

          <ScriptName>RestartHealthService.js</ScriptName>

          <Arguments/>

          <ScriptBody><Script>var oAPI = new ActiveXObject("MOM.ScriptAPI");

var oShell = new ActiveXObject("WScript.Shell");

var objWMIService = GetObject("winmgmts:{impersonationLevel=impersonate}!\\\\.\\root\\cimv2");



var SCRIPT_NAME = "RestartHealthService.js"; 

var SERVICE_NAME = "HealthService"; 



var SW_HIDE = 0;

var CREATE_BREAKAWAY_FROM_JOB = 0x1000000;



var ENU_MESSAGE_BASE = "Restarting Health Service. ";



var EVENTLOG_SUCCESS = 0x0000; // Information event

var EVENTLOG_ERROR_TYPE = 0x0001; // Error event

var EVENTLOG_WARNING_TYPE = 0x0002; // Warning event



var eventIdWarning = 6060;

var eventIdError = 6061;

var eventIdSuccess = 6062;



var ServiceScript = "SELECT ProcessId, State FROM Win32_Service WHERE name = 'HealthService'";

var successul = false;



var Debug = true;



function CopyScriptAndRun() {

    oShell.Run("%ComSpec% /c copy \"" + WScript.ScriptFullName + "\" %Temp%\\" + SCRIPT_NAME);

    var strCommand = oShell.ExpandEnvironmentStrings("%ComSpec% /c cscript.exe //nologo %Temp%\\" + SCRIPT_NAME + " RESTART");

    var objWMIService = GetObject("winmgmts:{impersonationLevel=impersonate}!\\\\.\\root\\cimv2");



    // Configure the process to break away from the job

    var objStartup = objWMIService.Get("Win32_ProcessStartup");

    var objConfig = objStartup.SpawnInstance_();

    objConfig.ShowWindow = SW_HIDE;

    objConfig.CreateFlags = CREATE_BREAKAWAY_FROM_JOB;



    // Create the process

    var objProcess = objWMIService.Get("Win32_Process");

    var intProcessID;

    var intReturn = objProcess.Create(strCommand, null, objConfig, intProcessID);

}



function RestartService() {

    var RestartAttempts = 3;

    var TimeOut = 60 * 1000;



    // Stop Service

    for (var i = 0; i &lt; RestartAttempts; i++) {

        try {

            if (GetServiceState() != "Stopped") {

                if (Debug) WScript.echo("Stopping Service");

                oShell.Run("sc stop HealthService");

                WScript.Sleep(TimeOut);

            }

            else {

                break;

            }

        }

        catch (e) {

            if (e != 0) {

                var errorMessage = ENU_MESSAGE_BASE + "Error: " + e;

                if (Debug) WScript.echo(errorMessage);

                oAPI.LogScriptEvent(SCRIPT_NAME, eventIdWarning, EVENTLOG_WARNING_TYPE, errorMessage);

            }

        }

    }



    // Terminate in case service failed to stop

    if (GetServiceState() != "Stopped") {

        for (var i = 0; i &lt; RestartAttempts; i++) {

            try {

                if (Debug) WScript.echo("Terminate Service");

                var serviceItems = new Enumerator(objWMIService.ExecQuery(ServiceScript));

                var procItems = new Enumerator(objWMIService.ExecQuery("SELECT * FROM Win32_Process WHERE ProcessId = " + serviceItems.item().ProcessId));

                var terminated = false;



                while (!procItems.atEnd()) {

                    var successful = 1;

                    var counter = 0;

                    while (successful != 0 &amp;&amp; counter &lt; RestartAttempts) {

                        successful = procItems.item().Terminate();

                        if (successful == 0) {

                            terminated = true;

                            break;

                        }

                        counter++;

                    }

                    procItems.moveNext()

                }



                if (!terminated) {

                    throw "Failed to Terminate Health Service";

                }

            }

            catch (e) {

                if (e != 0) {

                    var errorMessage = ENU_MESSAGE_BASE + "Error: " + e;

                    if (Debug) WScript.echo(errorMessage);

                    oAPI.LogScriptEvent(SCRIPT_NAME, eventIdWarning, EVENTLOG_WARNING_TYPE, errorMessage);

                }

            }

        }

    }



    // Start Service

    if (GetServiceState() != "Running") {

        WScript.Sleep(TimeOut);

        for (var i = 0; i &lt; RestartAttempts; i++) {

            try {

                if (Debug) WScript.echo("Start Service");

                oShell.Run("sc start HealthService");

                do {

                    WScript.Sleep(20 * 1000);

                }

                while (GetServiceState() == "Start Pending");

                if (GetServiceState() == "Running") {

                    break;

                }

                else {

                    WScript.Sleep(TimeOut);

                }

            }

            catch (e) {

                if (e != 0) {

                    var errorMessage = ENU_MESSAGE_BASE + "Error: " + e;

                    if (Debug) WScript.echo(errorMessage);

                    oAPI.LogScriptEvent(SCRIPT_NAME, eventIdWarning, EVENTLOG_WARNING_TYPE, errorMessage);

                }

            }

        }

        if (GetServiceState() == "Running") {

            var message = ENU_MESSAGE_BASE + "Service successfully restarted.";

            if (Debug) WScript.echo(message);

            oAPI.LogScriptEvent(SCRIPT_NAME, eventIdSuccess, EVENTLOG_SUCCESS, message);

        }

        else {

            var errorMessage = ENU_MESSAGE_BASE + "Failed to restart service.";

            if (Debug) WScript.echo(errorMessage);

            oAPI.LogScriptEvent(SCRIPT_NAME, eventIdError, EVENTLOG_ERROR_TYPE, errorMessage);

        }

    }

    else {

        var errorMessage = ENU_MESSAGE_BASE + "Failed to restart service. Failed to stop service.";

        if (Debug) WScript.echo(errorMessage);

        oAPI.LogScriptEvent(SCRIPT_NAME, eventIdError, EVENTLOG_ERROR_TYPE, errorMessage);

    }

}



function GetServiceState() {

    var serviceItems = new Enumerator(objWMIService.ExecQuery(ServiceScript));

    if (null == serviceItems || null == serviceItems.item()) {

        throw "HealthService does not exist!";

    }

    if (Debug) WScript.echo(serviceItems.item().State);

    return serviceItems.item().State;

}



if (WScript.Arguments.Length &gt; 0) {

    RestartService();

}

else {

    CopyScriptAndRun();

}</Script></ScriptBody>

          <TimeoutSeconds>300</TimeoutSeconds>

        </WriteAction>

      </MemberModules>

      <Composition>

        <Node ID="WriteEvent"/>

      </Composition>

    </Composite>

  </ModuleImplementation>

  <OutputType>System!System.BaseData</OutputType>

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

</WriteActionModuleType>