ContainerHandling/Get-NavContainerSession.ps1

<#
 .Synopsis
  Get (or create) a PSSession for a NAV/BC Container
 .Description
  Checks the session cache for an existing session. If a session exists, it will be reused.
  If no session exists, a new session will be created.
 .Parameter containerName
  Name of the container for which you want to create a session
 .Parameter silent
  Include the silent switch to avoid the welcome text
 .Example
  $session = Get-BcContainerSession -containerName bcserver
  PS C:\>Invoke-Command -Session $session -ScriptBlock { Set-NavServerInstance -ServerInstance $ServerInstance -restart }
#>

function Get-BcContainerSession {
    [CmdletBinding()]
    Param (
        [string] $containerName = $bcContainerHelperConfig.defaultContainerName,
        [switch] $silent
    )

    Process {
        if ($sessions.ContainsKey($containerName)) {
            $session = $sessions[$containerName]
            try {
                $ok = Invoke-Command -Session $session -ScriptBlock { $true }
                return $session
            }
            catch {
                Remove-PSSession -Session $session
                $sessions.Remove($containerName)
            }
        }
        $containerId = Get-BcContainerId -containerName $containerName
        $so = New-PSSessionOption -IdleTimeout $bcContainerHelperConfig.PsSessionTimeout
        $session = New-PSSession -ContainerId $containerId -RunAsAdministrator -SessionOption $so
        Invoke-Command -Session $session -ScriptBlock { Param([bool]$silent)

            $ErrorActionPreference = 'Stop'
            $runPath = "c:\Run"
            $myPath = Join-Path $runPath "my"

            function Get-MyFilePath([string]$FileName)
            {
                if ((Test-Path $myPath -PathType Container) -and (Test-Path (Join-Path $myPath $FileName) -PathType Leaf)) {
                    (Join-Path $myPath $FileName)
                } else {
                    (Join-Path $runPath $FileName)
                }
            }

            . (Get-MyFilePath "prompt.ps1") -silent:$silent | Out-Null
            . (Get-MyFilePath "ServiceSettings.ps1") | Out-Null
            . (Get-MyFilePath "HelperFunctions.ps1") | Out-Null

            $txt2al = ""
            if ($roleTailoredClientFolder) {
                $txt2al = Join-Path $roleTailoredClientFolder "txt2al.exe"
                if (!(Test-Path $txt2al)) {
                    $txt2al = ""
                }
            }

            Set-Location $runPath
        } -ArgumentList $silent
        $sessions.Add($containerName, $session)
        return $session
    }
}
Set-Alias -Name Get-NavContainerSession -Value Get-BcContainerSession
Export-ModuleMember -Function Get-BcContainerSession -Alias Get-NavContainerSession