VMware Workstation 7 Manual do Utilizador descarregar pdf (Página 424)

Workstation User’s Manual

424 VMware, Inc.

Writing Plug-In Policy Scripts

YoucanwritescriptstocontrolcertainpoliciesinVMwarePlayer.Youmayuseany

languagethatissupportedontheuser’scomputer.

Forsecurityreasons,scriptsmustbedeployedaspartofapackageandinstalledbythe

packageinstaller.Userscannotmodifythesescripts.

Whenscriptsrun,theymustwritethea

ppropriateval

uestotheStdOut file.Outputto

theStdOutfilemightbeupto4096byteslong.

PlaceanyscriptsyouwanttouseforapackageintheACE Resourcesdirectoryinthe

virtualmachinedirectory.DonotplacetheminasubdirectoryoftheACE Resources

directory.Ifthesc

riptsneedanyadditionalresourcefiles,placethosefilesinthemain

ACE Resourcesdirectory.Makesurethescriptusesrelativepathstoreferencethose

resources.

ScriptscanalsowritemessagestotheStdErrfile.OutputtotheStdErrfilemaybeup

to4096byteslong.AnymessagesgeneratedontheStdErrfilearecapturedinth

elog

fileontheenduser’smachineatthefollowinglocation:

<UserAppData>\VMware\VMware ACE\<package_name>\Virtual

Machines\<VM_name>\vmware.log

Theexitcodeofascriptindicateswhetherthescriptsucceededorfailed.

Table 19‐1describestheenvironmentvariablessetinthescriptexecutionenvironment.

AllscriptsruneachtimetheenduserstartsVMwarePlayerorresetsthevirtual

machine.Somemightrunmoreoften.Forexample,anexpirationscriptisrunevery24

hours.

Thesam

plescriptspresentedin“ExamplesofPolicyScripts”onpage 425areinstalled

withVMwarePlayerinthefollowinglocation:

C:\Program Files\VMware\VMware Player\Samples

Thetopicsthatfollowshowtheformatfortheoutputthatyourscriptsmustwritetothe

StdOutfiletocontrolvariouspolicies.

Table 19-1. Environment Variables

Variable Description

VMWARE_MASTER_ID TheIDoftheACE‐enabledvirtualmachine(ACEmaster).

VMWARE_PACKAGE_ID TheIDofthepackagethevirtualmachinewasinstantiated

from.

VMWARE_INSTANCE_ID ABooleanvaluethatissettoTRUEthefirsttimethevirtual

machineispoweredon.Otherwise,itissettoFALSE.

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VMware Workstation 7 Manual do Utilizador Página 424