Veeam Hyper-V VM Checkpoint Age and Size Probe Action Module

Veeam.Virt.Extensions.HyperV.Module.VMSnapshot.ScriptProbe (ProbeActionModuleType)

Element properties:

Member Modules:

Source Code:

<ProbeActionModuleType ID="Veeam.Virt.Extensions.HyperV.Module.VMSnapshot.ScriptProbe" Accessibility="Internal" Batching="false" PassThrough="false">

  <Configuration>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" minOccurs="1" name="snapshotAge" type="xsd:string"/>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" minOccurs="1" name="snapshotSize" type="xsd:string"/>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" minOccurs="1" name="snapshotAgeThreshold" type="xsd:string"/>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" minOccurs="1" name="snapshotSizeThreshold" type="xsd:string"/>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" minOccurs="1" name="vmName" type="xsd:string"/>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" minOccurs="1" name="hostName" type="xsd:string"/>

  </Configuration>

  <ModuleImplementation Isolation="Any">

    <Composite>

      <MemberModules>

        <ProbeAction ID="ScriptProbe" TypeID="VVEVB!Veeam.Virt.Extensions.ScriptProbe.PropertyBag">

          <ScriptName>VMSnapshotAgeSizeProbe.js</ScriptName>

          <Arguments>$Config/snapshotAge$ $Config/snapshotSize$ $Config/snapshotAgeThreshold$ $Config/snapshotSizeThreshold$ "$Config/vmName$" $Config/hostName$</Arguments>

          <ScriptBody><Script>//VMSnapshotAgeSizeProbe.js

var ARGUMENT_COUNT = 6;



if (WScript.Arguments.length != ARGUMENT_COUNT) {

    WScript.Quit(0);

}



var snapshotAge = convertArg(WScript.Arguments(0));

var snapshotSize = convertArg(WScript.Arguments(1));

var snapshotAgeThreshold = convertArg(WScript.Arguments(2));

var snapshotSizeThreshold = convertArg(WScript.Arguments(3));

var vmName = WScript.Arguments(4);

var hostName = WScript.Arguments(5);



var momApi = new ActiveXObject("MOM.ScriptAPI");

var bag = momApi.CreatePropertyBag();





var msgTxt = "The virtual machine " + vmName + " running on host " + hostName + " is using Checkpoints.\r\n";

if (snapshotAge &gt;= snapshotAgeThreshold) {

    msgTxt += "\r\nThe oldest checkpoint was taken " + snapshotAge + " hours ago. Possibly this checkpoint was left by an interrupted or failed image-level backup, or other process.\r\n";

}

if (snapshotSize &gt;= snapshotSizeThreshold) {

    msgTxt += "\r\nThe total size (of all checkpoints) is " + snapshotSize + " GB. Large checkpoint files can rapidly fill up storage space. Large checkpoints also take a long time to commit when finally deleted.\r\n";

}



bag.AddValue("AlertDescription", msgTxt);

momApi.Return(bag);





function isNumber(n) {

    return !isNaN(parseFloat(n)) &amp;&amp; isFinite(n);

}



function isInt(n) {

    return n % 1 === 0;

}



function convertArg(a) {

    var replaced = false;

    if (a.indexOf(',') &gt; 0) {

        var b = a.replace(',', '.');

        replaced = true;

    } else {

        b = a;

    }



    if (isNumber(b)) {

        if (!isInt(b)) {

            b = Math.round(b * 100) / 100;

        } else {

            b = parseInt(b);

        }

    }



    if (replaced) {

        b = (b + "").replace('.', ',');

    }



    return b;

}</Script></ScriptBody>

          <TimeoutSeconds>300</TimeoutSeconds>

        </ProbeAction>

      </MemberModules>

      <Composition>

        <Node ID="ScriptProbe"/>

      </Composition>

    </Composite>

  </ModuleImplementation>

  <OutputType>System!System.PropertyBagData</OutputType>

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

</ProbeActionModuleType>