Creating a Silk Central Agent-Clusters File

Before you can complete this task you must export the Silk Performer agent pool as an XML file (which includes the connection properties, capabilities, and system information of an agent) for each agent in your agent pool.

You only need to create one Silk Central agent-clusters file. The file may contain one or more agent clusters, each of which specifies its associated agents including their capabilities, connection properties and system information. The contents of the file you create will be available to all Silk Performer users on the Workload Configuration dialog when they select the Dynamic assignment to Silk Central agent cluster option.

You must create a Silk Central agent-clusters file if you intend to run your test against a Silk Central agent cluster (this is configured by clicking the Dynamic assignment to Silk Central agent cluster button on the Workload Configuration > Agent Assignment tab). Workloads that use a Silk Central agent cluster can be executed from within the Silk Performer Workbench and they can be scheduled as Silk Central tests.

Create an empty XML file on your local system. This file must be accessible by Silk Central. It can be placed under source control within your Silk Central directory structure.
Use the contents of an exported agent pool file to build the agent-clusters file as structured in the example below. The contents of an exported agent-pool file and the agent-clusters file are nearly identical, so this typically only involves enclosing the <AgentPool/> elements of the exported agent-pool file within a <SctmAgentClusters/> element.

Example of a manually created Silk Central agent-clusters file

This manually created agent-clusters file includes a SctmAgentClusters root element. Within the root element are AgentPool elements, one for each agent pool in the cluster. Within each AgentPool element are Agent elements that convey the connection properties, capabilities, and system information of the individual agents.

<?xml version='1.0' encoding='UTF-8'?>

<SctmAgentClusters>
 <AgentPool name="cluster_1">
  <Agent id="LAB100">
    <ConnProperty name="ConnectPort">19200</ConnProperty>
    <ConnProperty name="ConnectSecurePort">19201</ConnProperty>
    <ConnProperty name="IpAddress">192.168.1.100</ConnProperty>
    <ConnProperty name="LastConnectStatus">5</ConnProperty>
    <ConnProperty name="UseAuthentication">false</ConnProperty>
    <Capability maxVU="390" name=".Net"></Capability>
				<Capability maxVU="100" name="Browser-driven"></Capability>
    <Capability maxVU="39" name="Citrix"></Capability>
    <Capability maxVU="3900" name="General"></Capability>
    <Capability maxVU="39" name="GuiLTest"></Capability>
    <Capability maxVU="390" name="Java"></Capability>
    <Capability maxVU="390" name="ODBC"></Capability>
    <Capability maxVU="390" name="Oracle OCI"></Capability>
    <Capability maxVU="39" name="SAPGUI"></Capability>
    <Capability maxVU="390" name="Tuxedo"></Capability>
    <SysInfo name="AgentRAC">7803300</SysInfo>
    <SysInfo name="AgentVersion">7.8.0.3332</SysInfo>
    <SysInfo name="Memory">2039 MB</SysInfo>
    <SysInfo name="ProcType"></SysInfo>
    <SysInfo name="ProcessorCount">1</SysInfo>
    <SysInfo name="ProcessorSpeed">3200 MHz</SysInfo>
    <SysInfo name="ServicePack"></SysInfo>
    <SysInfo name="SysVersion">5.0</SysInfo>
    <SysInfo name="System">WinNT</SysInfo>
  </Agent>
  <Agent id="lab101">
    <ConnProperty name="AuthPassword"></ConnProperty>
    <ConnProperty name="ConnectPort">19200</ConnProperty>
    <ConnProperty name="ConnectSecurePort">19201</ConnProperty>
    <ConnProperty name="EncryptionSSL">false</ConnProperty>
    <ConnProperty name="HTTPTunnel">:8080</ConnProperty>
    <ConnProperty name="IpAddress">192.168.1.101</ConnProperty>
    <ConnProperty name="LastConnectStatus">5</ConnProperty>
    <ConnProperty name="SOCKSTunnel">:1080</ConnProperty>
    <ConnProperty name="UseAuthentication">false</ConnProperty>
    <ConnProperty name="UseHttpTunnel">false</ConnProperty>
    <ConnProperty name="UseSocksTunnel">false</ConnProperty>
    <Capability maxVU="380" name=".Net"></Capability>
				<Capability maxVU="100" name="Browser-driven"></Capability>
    <Capability maxVU="38" name="Citrix"></Capability>
    <Capability maxVU="3800" name="General"></Capability>
    <Capability maxVU="38" name="GuiLTest"></Capability>
    <Capability maxVU="380" name="Java"></Capability>
    <Capability maxVU="380" name="ODBC"></Capability>
    <Capability maxVU="380" name="Oracle OCI"></Capability>
    <Capability maxVU="38" name="SAPGUI"></Capability>
    <Capability maxVU="380" name="Tuxedo"></Capability>
    <SysInfo name="AgentRAC">7803300</SysInfo>
    <SysInfo name="AgentVersion">7.8.0.3343</SysInfo>
    <SysInfo name="Memory">1983 MB</SysInfo>
    <SysInfo name="ProcType">Intel Pentium IV</SysInfo>
    <SysInfo name="ProcessorCount">2</SysInfo>
    <SysInfo name="ProcessorSpeed">3200 MHz</SysInfo>
    <SysInfo name="ServicePack">Service Pack 2</SysInfo>
    <SysInfo name="SysVersion">5.2</SysInfo>
    <SysInfo name="System">WinNT</SysInfo>
  </Agent>
 </AgentPool>
 <AgentPool name="cluster_2">
  <Agent id="LAB200">
    <ConnProperty name="ConnectPort">19200</ConnProperty>
    <ConnProperty name="ConnectSecurePort">19201</ConnProperty>
    <ConnProperty name="IpAddress">192.168.2.200</ConnProperty>
    <ConnProperty name="LastConnectStatus">5</ConnProperty>
    <ConnProperty name="UseAuthentication">false</ConnProperty>
    <Capability maxVU="390" name=".Net"></Capability>
				<Capability maxVU="100" name="Browser-driven"></Capability>
    <Capability maxVU="39" name="Citrix"></Capability>
    <Capability maxVU="3900" name="General"></Capability>
    <Capability maxVU="39" name="GuiLTest"></Capability>
    <Capability maxVU="390" name="Java"></Capability>
    <Capability maxVU="390" name="ODBC"></Capability>
    <Capability maxVU="390" name="Oracle OCI"></Capability>
    <Capability maxVU="39" name="SAPGUI"></Capability>
    <Capability maxVU="390" name="Tuxedo"></Capability>
    <SysInfo name="AgentRAC">7803300</SysInfo>
    <SysInfo name="AgentVersion">7.8.0.3332</SysInfo>
    <SysInfo name="Memory">2039 MB</SysInfo>
    <SysInfo name="ProcType"></SysInfo>
    <SysInfo name="ProcessorCount">1</SysInfo>
    <SysInfo name="ProcessorSpeed">3200 MHz</SysInfo>
    <SysInfo name="ServicePack"></SysInfo>
    <SysInfo name="SysVersion">5.0</SysInfo>
    <SysInfo name="System">WinNT</SysInfo>
  </Agent>
  <Agent id="lab201">
    <ConnProperty name="AuthPassword"></ConnProperty>
    <ConnProperty name="ConnectPort">19200</ConnProperty>
    <ConnProperty name="ConnectSecurePort">19201</ConnProperty>
    <ConnProperty name="EncryptionSSL">false</ConnProperty>
    <ConnProperty name="HTTPTunnel">:8080</ConnProperty>
    <ConnProperty name="IpAddress">192.168.2.201</ConnProperty>
    <ConnProperty name="LastConnectStatus">5</ConnProperty>
    <ConnProperty name="SOCKSTunnel">:1080</ConnProperty>
    <ConnProperty name="UseAuthentication">false</ConnProperty>
    <ConnProperty name="UseHttpTunnel">false</ConnProperty>
    <ConnProperty name="UseSocksTunnel">false</ConnProperty>
    <Capability maxVU="380" name=".Net"></Capability>
				<Capability maxVU="100" name="Browser-driven"></Capability>
    <Capability maxVU="38" name="Citrix"></Capability>
    <Capability maxVU="3800" name="General"></Capability>
    <Capability maxVU="38" name="GuiLTest"></Capability>
    <Capability maxVU="380" name="Java"></Capability>
    <Capability maxVU="380" name="ODBC"></Capability>
    <Capability maxVU="380" name="Oracle OCI"></Capability>
    <Capability maxVU="38" name="SAPGUI"></Capability>
    <Capability maxVU="380" name="Tuxedo"></Capability>
    <SysInfo name="AgentRAC">7803300</SysInfo>
    <SysInfo name="AgentVersion">7.8.0.3343</SysInfo>
    <SysInfo name="Memory">1983 MB</SysInfo>
    <SysInfo name="ProcType">Intel Pentium IV</SysInfo>
    <SysInfo name="ProcessorCount">2</SysInfo>
    <SysInfo name="ProcessorSpeed">3200 MHz</SysInfo>
    <SysInfo name="ServicePack">Service Pack 2</SysInfo>
    <SysInfo name="SysVersion">5.2</SysInfo>
    <SysInfo name="System">WinNT</SysInfo>
  </Agent>
  <Agent id="lab203">
    <ConnProperty name="ConnectPort">19200</ConnProperty>
    <ConnProperty name="ConnectSecurePort">19201</ConnProperty>
    <ConnProperty name="IpAddress">192.168.2.203</ConnProperty>
    <ConnProperty name="LastConnectStatus">5</ConnProperty>
    <ConnProperty name="UseAuthentication">false</ConnProperty>
    <Capability maxVU="650" name=".Net"></Capability>
				<Capability maxVU="100" name="Browser-driven"></Capability>
    <Capability maxVU="65" name="Citrix"></Capability>
    <Capability maxVU="6500" name="General"></Capability>
    <Capability maxVU="65" name="GuiLTest"></Capability>
    <Capability maxVU="650" name="Java"></Capability>
    <Capability maxVU="650" name="ODBC"></Capability>
    <Capability maxVU="650" name="Oracle OCI"></Capability>
    <Capability maxVU="65" name="SAPGUI"></Capability>
    <Capability maxVU="650" name="Tuxedo"></Capability>
    <SysInfo name="AgentRAC">7803300</SysInfo>
    <SysInfo name="AgentVersion">7.8.0.3371</SysInfo>
    <SysInfo name="Memory">3318 MB</SysInfo>
    <SysInfo name="ProcType"></SysInfo>
    <SysInfo name="ProcessorCount">2</SysInfo>
    <SysInfo name="ProcessorSpeed">3000 MHz</SysInfo>
    <SysInfo name="ServicePack"></SysInfo>
    <SysInfo name="SysVersion">5.2</SysInfo>
    <SysInfo name="System">WinNT</SysInfo>
  </Agent>
 </AgentPool>
</SctmAgentClusters>

Once you have created an agent clusters file, you must configure Silk Central to reference the file. Silk Central will copy the file to the execution servers so that whenever a Silk Performer project with dynamic workload-assignment is executed, the project will read the file to determine how workload should be allocated to the agents within the cluster.