Powershell Functions

functions.ps1

$VMMUname = ''
$VMMPass = ''
$Sess = @{}

function Show-VMMMemory {
	[alias("vmmspec")]
	param()
	$hostname = $Sess['vmm'].ComputerName
	Write-Output "Getting memory spec details for $hostname ..."
	Invoke-Command -Session $Sess['vmm'] {	
		$totalMem = 0;
		$usedMem = 0;
		Write-Output "+++ Powered on VMs`n"
		$vms = Get-SCVirtualMachine -VMMServer localhost
		$vms | ForEach-Object {
			if ($_.MemoryAssignedMB -gt 0) {
				[PSCustomObject]@{
					Name             = $_.Name
					ID               = $_.ID
					StatusString     = $_.StatusString
					AssignedMemoryGB = ($_.MemoryAssignedMB / 1024.0)
				} | ConvertTo-Json
				$usedMem += $_.MemoryAssignedMB;
				$totalMem += $_.MemoryAssignedMB;
			}
		};
		Write-Output "+++ Hosts`n"
		$vmHosts = Get-SCVMHost -VMMServer localhost;
		$vmHosts | ForEach-Object {
			[PSCustomObject]@{
				Name              = $_.Name
				AvailableMemoryGB = ($_.AvailableMemory / 1024.0)
			} | ConvertTo-Json
			$totalMem += $_.AvailableMemory
		};
		$usedMem = ($usedMem / 1024 + 0.0);
		$totalMem = ($totalMem / 1024 + 0.0);
		Write-Output "`n+++ UsedMemoryGB =  $usedMem"
		Write-Output "+++ TotalMemoryGB =  $totalMem"
	}
	Write-Output "+++ HostName = $hostname"
}

class Host {
	[string]$FQDN
	[string]$Name
	[string]$Description
}

$vmmpods = @(
	[Host]@{FQDN = '10.184.137.134'; Name = 'VMMNEBDEV0805'; Description = 'TotalMemoryGB: 28.64' }
	[Host]@{FQDN = '10.225.95.100'; Name = 'VMMNEBDEV0050'; Description = 'TotalMemoryGB: 72.58' }
	[Host]@{FQDN = '10.225.91.184'; Name = 'VMMNEBDEV0103'; Description = 'TotalMemoryGB: 40.99' }
	[Host]@{FQDN = '10.184.155.2'; Name = 'VMMNEBSTD0582'; Description = 'TotalMemoryGB: 19.44' }
)

function Get-Session {
	param (
		[Parameter(Mandatory = $true)][string]$ComputerName,
		[Parameter(Mandatory = $true)][string]$Username,
		[Parameter(Mandatory = $true)][string]$Passwd
	)
	$DebugPreference = 'Continue';
	if ($Sess[$ComputerName]) {
		Write-Debug "Returning cached session to $ComputerName..."
		$Sess['latest'] = $Sess[$ComputerName]
		return $Sess['latest']
	}
	Write-Debug "Connecting to $ComputerName..."
	$DebugPreference = 'SilentlyContinue';
	$passSec = ConvertTo-SecureString -String $Passwd -AsPlainText -Force
	$cred = New-Object -TypeName 'System.Management.Automation.PSCredential' -ArgumentList $Username, $passSec
	$so = New-PsSessionOption -SkipCACheck -SkipCNCheck
	$Sess[$ComputerName] = New-PSSession -ComputerName $ComputerName -Authentication 'negotiate' -Credential $cred -SessionOption $so
	$Sess['latest'] = $Sess[$ComputerName]
	return $Sess['latest']
}

function Get-VMMSession {
	[alias("vmmg")]
	param (
		[string]$ComputerName
	)
	if ($ComputerName -eq '') {
		$vmmpods
		return $null
	}
	$pod = $null
	foreach ($vmmpod in $vmmpods) {
		if (($ComputerName -eq ($vmmpod.FQDN.Split("."))[3]) -or ($ComputerName -eq $vmmpod.Name)) {
			$pod = $vmmpod
		}
	}
	if ($pod) { $ComputerName = $pod.FQDN }
	$Sess['vmm'] = Get-Session $ComputerName $VMMUname $VMMPass
	if ($pod) {
		$Sess[($pod.FQDN.Split("."))[3]] = $Sess['vmm']
		$Sess[$pod.Name] = $Sess['vmm']
	}
	return $Sess['vmm']
}

function Enter-VMMSession {
	[alias("vmme")]
	param (
		[string]$ComputerName
	)	
	if ((!$ComputerName) -and $Sess['vmm']) {
		$Session = $Sess['vmm']
	} else {
		$Session = Get-VMMSession $ComputerName
	}
	if ($Session) {
		Enter-PSSession $Session
	}
}
function Invoke-VMMSession {
	[alias("vmmi")]
	param (
		[string]$script,
		[string]$Session
	)
	$script = $script -replace '(Get-SC[a-z]*)(?! -VMMServer)', '$1 -VMMServer localhost '
	if (!$Session) {
		$Session = $Sess['vmm']
	}
	$scriptBlock = [Scriptblock]::Create($script)
	Invoke-Command -Session $Sess['vmm'] -ScriptBlock $scriptBlock
}


function DelVM {
  Invoke-Command -Session $Sess['vmm'] -Script { $VMs = Get-SCVirtualMachine | Where-Object { $_.Name -match '^(arc|sn)-' }; $vm.length; foreach ($vm in $vms) { $null = Remove-SCVirtualmachine -VM $vm; } }
}
function DelVMT {
  Invoke-Command -Session $Sess['vmm'] -Script { $VMTs = Get-SCVMTemplate | Where-Object { $_.Name -match 'Temporary' }; $vmts.length; foreach ($vmt in $vmts) { $null = Remove-SCVMTemplate -VMTemplate $vmt; } }
}

function fix_perf {
  sudo net stop WinMgmt; sudo net start WinMgmt;
}

function Invoke-ScriptVMM() {
  [alias("vmmscr")]
  param (
    [string]$ScriptPath,
    $Session
  )
  if (!$Session) {
    $Session = $Sess['vmm']
  }
  $Parameters = @{
    Session  = $Session
    FilePath = $ScriptPath
  }
  Invoke-Command @Parameters
}

function Invoke-ScriptVMMAll() {
  [alias("vmmscra")]
  param (
    [string]$ScriptPath
  )
  foreach ($vmmpod in $vmmpods) {
    $FQDN = $vmmpod.FQDN
    $null = Get-VMMSession $FQDN
    Invoke-ScriptVMM $ScriptPath
  }
}


function Reset-WslServe {
	Get-Service LxssManager | Restart-Service
	wsl -t Ubuntu-18.04
}

profile.ps1

Set-PSReadlineKeyHandler -Key ctrl+d -Function DeleteCharOrExit

# Chocolatey profile
$ChocolateyProfile = "$env:ChocolateyInstall\helpers\chocolateyProfile.psm1"
if (Test-Path($ChocolateyProfile)) {
	Import-Module "$ChocolateyProfile"
}

Invoke-Expression (&starship init powershell)

. $HOME/Code/ps1/functions.ps1

function Reset-WslServe {
	Get-Service LxssManager | Restart-Service
	wsl -t Ubuntu
}