Patch an Ubuntu server with PowerCLI and SSH-Sessions

GitHub for code: https://github.com/konstruktoid/Powershell/blob/master/vmSSH.ps1

# http://www.powershelladmin.com/wiki/SSH_from_PowerShell_using_the_SSH.NET_library

# https://my.vmware.com/web/vmware/info/slug/datacenter_cloud_infrastructure/vmware_vsphere_with_operations_management/5_5#drivers_tools

#

# adduser --no-create-home --shell /bin/bash RUSER   

# RUSER        ALL=NOPASSWD:/usr/bin/aptitude update, /usr/bin/aptitude -y upgrade

#

# We should be using authorized keys instead but these different PowerShell versions, modules, permissions and what not is as fun as the plague

#

Import-Module SSH-Sessions

if (!(Get-PSSnapin -Name VMware.VimAutomation.Core -ErrorAction SilentlyContinue))

{

            Add-PSSnapin VMware.VimAutomation.Core

}

Connect-VIServer -Server SERVER -User USER -Password PASSWORD

$VMName = "VM01"

$Username = "RUSER" <# unprivileged user with specific sudo permissions #>

$Password = "RPASSWORD"

$RECV = "YOUR EMAIL <your.email@example.com>"

$Outputfile = ".\PoSHupdate.txt"

$SMTPserver = "smtp.example.com"

$VM = Get-VM $VMName

$IP = $VM.guest.IPAddress[0]

$Date = Get-Date -f yyMMddHHmm

$aptitude = 'echo -e $Password\n|sudo -S /usr/bin/aptitude update && echo -e $Password\n|sudo -S /usr/bin/aptitude -y upgrade'

$logger_start = 'logger -p user.info "`id -r` Aptitude PoSH update starting"'

$logger_end = 'logger -p user.info "`id -r` Aptitude PoSH update completed"'

$release = 'lsb_release -d|sed s/.*://'

New-Snapshot -VM $VM -Memory:$true -Name "Aptitude PoSH update" -Description "Aptitude PoSH update $Date"

New-SshSession -ComputerName $IP -Username $UserName -Password $Password

Invoke-SshCommand -InvokeOnAll -Command $logger_start -q

Invoke-SshCommand -InvokeOnAll -Command $aptitude -q

Invoke-SshCommand -InvokeOnAll -Command $logger_end -q

$VMRelease = Invoke-SshCommand -InvokeOnAll -Command $release -q

Remove-SshSession -RemoveAll

Set-VM -VM $VM -Description "$VMRelease - Patched $Date" -Confirm:$false

"Aptitude PoSH update completed" | Out-File $OutputFile

$VM | Select Name, Description, Host | Format-List | Out-File $OutputFile -Append

$VM | Get-Snapshot | Select Description, Created, IsCurrent | Format-List | Out-File $OutputFile -Append

$body= (Get-Content $OutputFile | Out-String )

Send-MailMessage -from $RECV -to $RECV -subject "Aptitude PoSH update $Date" -body $body -dno onSuccess, onFailure -smtpServer $SMTPserver