Sie können das nachfolgend aufgeführte Beispielskript für ein Upgrade von Horizon Agent auf mehreren virtuellen Linux-Maschinen (VMs) anpassen und anwenden. Dieses Skript verwendet SSH zur Ausführung von Befehlen auf den Linux-VMs.

Für das Kopieren und Einfügen des Skriptinhalts ohne Seitenumbrüche verwenden Sie die HTML-Version dieses Themas, die auf der Dokumentationsseite von Horizon 7 unter https://www.vmware.com/support/pubs/view_pubs.html verfügbar ist.

Skripteingabe

Dieses Skript liest eine Eingabedatei, die im Kapitel Eingabedatei für die PowerCLI-Beispielskripts zur Bereitstellung von Linux-Desktops beschrieben ist. Es gibt verschiedene Eingabeaufforderungen für die folgenden Informationen aus:

  • Annahme der Horizon Agent-Endbenutzerlizenzvereinbarung (EULA)

  • IP-Adresse von vCenter Server

  • Anmeldename des Administrators für vCenter Server

  • Kennwort des Administrators für vCenter Server

  • Anmeldename des Administrators für den ESXi-Host

  • Kennwort des Administrators für den ESXi-Host

  • Anmeldename des Benutzers für das Linux-Gastbetriebssystem

  • Kennwort des Benutzers für das Linux-Gastbetriebssystem

  • Pfad für das Horizon Agent-TAR-Archiv

  • Aktualisieren auf verwaltete VM

  • Installieren der Smartcard-Umleitungsfunktion

Skriptinhalt

<#
Upload the Linux Agent installer tar ball and re-install
#>

#-----------------------------------------------------Functions------------------------------------------------------------------
function GetInput
{
    Param($prompt, $IsPassword = $false)
    $prompt = $prompt + ": "
    Write-Host $prompt -NoNewLine
    [Console]::ForegroundColor = "Blue"
    if ($IsPassword)
    {
        $input = Read-Host -AsSecureString
        $input = [Runtime.InteropServices.Marshal]::PtrToStringAuto([Runtime.InteropServices.Marshal]::SecureStringToBSTR($input))
    }
    else
    {
        $input = Read-Host
    }
    
    [Console]::ResetColor()
    return $input
}
function Check_SSH_Client
{
    Param($IsPlink, $IsPSCP)
    if ($IsPlink)
    {
        if (Test-Path ".\plink.exe")
        {
          write-host  -ForeGroundColor Yellow 'SSH client "plink.exe" found'
        }   
        else
        {
          write-host  -ForeGroundColor Red 'SSH client "plink.exe" not found, please download from its official web site'
          exit
        }
    }    
    if ($IsPSCP)
    {
        if (Test-Path ".\pscp.exe")
        {
          write-host  -ForeGroundColor Yellow 'SSH client "pscp.exe" found'
        }   
        else
        {
          write-host  -ForeGroundColor Red 'SSH client "pscp.exe" not found, please download from its official web site'
          exit
        }
    } 
}

function RunCmdViaSSH
{
    Param($VM_Name, $User, $Password, $Cmd, $returnOutput = $false)
    
    $VM= Get-VM $VM_Name
    $IP = $VM.guest.IPAddress[0]
    write-host "Run cmd on $VM_Name ($IP)"
    if($returnOutput)
    {
        $command = "echo yes | .\plink.exe -ssh -l $user -pw $password $IP " + '"' + $cmd +'"'
        $output = Invoke-Expression $command
        return $output    
    }
    else
    {
        echo yes | .\plink.exe -ssh -l $user -pw $password $IP "$cmd"
    }
    
}

function UploadFileViaSSH
{
    Param($VM_Name, $User, $Password, $LocalPath, $DestPath)
    
    $VM= Get-VM $VM_Name
    $IP = $VM.guest.IPAddress[0]
    $command = "echo yes | .\pscp.exe -l $User -pw $Password $LocalPath $IP" + ":" + "$DestPath"
    write-host "Upload file $LocalPath to VM $VM_Name with user $User"
    Invoke-Expression $command
}

#-----------------------------------------------------Handle input-------------------------------------------------------------------
"-----------------------------------------------------"
Check_SSH_Client -IsPlink $true -IsPSCP $true
"-----------------------------------------------------"
$acceptEULA = GetInput -prompt 'Accept Linux View Agent EULA in tar bundle ("yes" or "no")' -IsPassword $false
if ($acceptEULA -ne "yes")
{
	write-host  -ForeGroundColor Red "You need accept the EULA with 'yes'(case sensitive)"
	exit
}
$vcAddress = GetInput -prompt "Your vCenter address" -IsPassword $false
$vcAdmin = GetInput -prompt "Your vCenter admin user name" -IsPassword $false
$vcPassword = GetInput -prompt "Your vCenter admin user password" -IsPassword $true
"-----------------------------------------------------"
$guestUser = GetInput -prompt 'Your VM guest OS user name' -IsPassword $false
$guestPassword = GetInput -prompt 'Your VM guest OS user password' -IsPassword $true
"-----------------------------------------------------"
$agentInstaller = GetInput -prompt 'Type the View Agent tar ball path' -IsPassword $false
"-----------------------------------------------------"
$UpgradeToManagedVM = GetInput -prompt 'Upgrade to managed VM ("yes" or "no")' -IsPassword $false
if (($UpgradeToManagedVM -ne "yes") -AND $UpgradeToManagedVM -ne "no")
{
	write-host  -ForeGroundColor Red "You need select 'yes' or 'no'(case sensitive)"
	exit
}
$installSmartcard = GetInput -prompt 'Install the Smartcard redirection feature ("yes" or "no")' -IsPassword $false
if (($installSmartcard -ne "yes") -AND $installSmartcard -ne "no")
{
	write-host  -ForeGroundColor Red "You need select 'yes' or 'no'(case sensitive)"
	exit
}
"-----------------------------------------------------"

#$csvFile = Read-Host 'Csv File '
$csvFile = '.\CloneVMs.csv'

#check if file exists
if (!(Test-Path $agentInstaller))
{
write-host  -ForeGroundColor Red "installer File not found"
exit
}

#check if file exists
if (!(Test-Path $csvFile))
{
write-host  -ForeGroundColor Red "CSV File not found"
exit
}
#-----------------------------------------------------Functions------------------------------------------------------------------
function GetSourceInstallerMD5()
{
    $agentInstallerPath = Convert-Path $agentInstaller;
    $md5 = New-Object -TypeName System.Security.Cryptography.MD5CryptoServiceProvider;
    $md5HashWithFormat = [System.BitConverter]::ToString($md5.ComputeHash([System.IO.File]::ReadAllBytes($agentInstallerPath)));
    $md5Hash = ($md5HashWithFormat.replace("-","")).ToLower();
    return $md5Hash;
}

#-----------------------------------------------------Main------------------------------------------------------------------
#Get installer MD5Sum
$installerMD5Hash = GetSourceInstallerMD5;

#Connect to vCenter
$VC_Conn_State = Connect-VIServer $vcAddress -user $vcAdmin -password $vcPassword
if([string]::IsNullOrEmpty($VC_Conn_State))
{
   Write-Host 'Exit since failed to login vCenter'
   exit
}
else
{
  Write-Host 'vCenter is connected'
}

#Read input CSV file
$csvData = Import-CSV $csvFile

$destFolder = "/home/$guestUser/"

#Handle VMs one by one
foreach ($line in $csvData)
{
    "`n-----------------------------------------------------"
    $VMName = $line.VMName
    write-host -ForeGroundColor Yellow "VM: $VMName`n"
    
    $cmd = "rm -rf VMware-*-linux-*"
    Write-Host "Run cmd '$cmd' in VM '$VMName' with user '$guestUser'"
    RunCmdViaSSH -VM_Name $VMName -User $guestUser -Password $guestPassword -Cmd $cmd

 
    #Upload installer tar ball to Linux VM
    Write-Host "Upload File '$agentInstaller' to '$destFolder' of VM '$VMName' with user '$guestUser'"
    UploadFileViaSSH -VM_Name $VMName -User $guestUser -Password $guestPassword -LocalPath $agentInstaller -DestPath $destFolder
    
    #Check the uploaded installer md5sum
    $cmd = "md5sum VMware-*-linux-*"
    Write-Host "Run cmd '$cmd' in VM '$VMName' with user '$guestUser'"
    $output = RunCmdViaSSH -VM_Name $VMName -User $guestUser -Password $guestPassword -Cmd $cmd -$returnOutput $true

    if($output.Contains($installerMD5Hash))
    {
        Write-Host $VMName": Uploaded installer's MD5Sum matches the local installer's MD5Sum";
        Write-Host $VMName": Extract the installer and do installation";        

        $cmd = "tar -xzf VMware-*-linux-*.tar.gz"
        Write-Host "Run cmd '$cmd' in VM '$VMName' with user '$guestUser'"
        RunCmdViaSSH -VM_Name $VMName -User $guestUser -Password $guestPassword -Cmd $cmd
 
        $cmd = "sudo setenforce 0";
        Write-Host "Set the selinux to permissive mode: $cmd"
        RunCmdViaSSH -VM_Name $VMName -User $guestUser -Password $guestPassword -Cmd $cmd

        $cmd = "sudo killall /usr/lib/vmware/viewagent/VMwareBlastServer/VMwareBlastServer"
        Write-Host "Stop VMwareBlastServer before upgrading: $cmd"
        RunCmdViaSSH -VM_Name $VMName -User $guestUser -Password $guestPassword -Cmd $cmd

        #Run the upgrade command.
        $cmd = "cd VMware-*-linux-* && sudo ./install_viewagent.sh -r yes -A yes -m $installSmartcard -M $UpgradeToManagedVM"
        Write-Host "Run upgrade cmd in VM '$VMName' with user '$guestUser': $cmd"
        RunCmdViaSSH -VM_Name $VMName -User $guestUser -Password $guestPassword -Cmd $cmd
        Write-Host -ForeGroundColor Yellow "Linux Agent installer will reboot the Linux VM after upgrade, and you may hit the ssh connection closed error message, which is expectation"    
    }
    else
    {
        Write-Host $VMName": Uploaded installer's MD5Sum does NOT match the local installer's MD5Sum";
        Write-Host $VMName": Skip the installation. Please check your network and VMware Tools status";
        exit;
    }
}
Disconnect-VIServer $vcAddress -Confirm:$false
exit

Skriptausführung

Die folgenden Meldungen resultieren aus einer Ausführung des Skripts:

PowerCLI C:\scripts> .\InstallAgent.ps1
--------------------------------------------------
Accept Linux Horizon Agent EULA in tar bundle ("yes" or "no"): yes
Your vCenter address: 10.117.44.17
Your vCenter admin user name: administrator
Your vCenter admin user password: *******
--------------------------------------------------
Your VM guest OS user name: ViewUser
Your VM guest OS user password: *******
--------------------------------------------------
Type the Horizon Agent tar ball path. Please take care of the installer arch: .\VMware-viewagent-linux-x86_64-x.y.z-1234567.tar.gz
----------------------------------------------------------------------------------------------------------
Upgrade to managed VM ("yes" or "no"): yes
Install the Smartcard redirection feature (""yes" or "no"): no