TfsCmdlets

2.1.3

Private/Admin.psm1

Function _GetInstallationPath($Version, $Component = 'BaseInstallation')
{
    if(-not $Version)
    {
        foreach($v in 20..8)
        {
            if(Test-Path "HKLM:\Software\Microsoft\TeamFoundationServer\${v}.0")
            {
                $Version = "${v}.0"
                break
            }
        }
    
        if(-not $Version)
        {
            throw "No Team Foundation Server installation found in computer $([Environment]::MachineName)"
        }
    }

    $rootKeyPath = "HKLM:\Software\Microsoft\TeamFoundationServer\$Version"

    if ($Component -eq 'BaseInstallation')
    {
        $componentPath = $rootKeyPath
    }
    else
    {
        $componentPath = "$rootKeyPath\InstalledComponents\$Component"
    }

    if (-not (Test-Path $rootKeyPath))
    {
        throw "Team Foundation Server is not installed in computer $([Environment]::MachineName)"
    }

    if (-not (Test-Path $componentPath))
    {
        throw "Team Foundation Server component '$Component' is not installed in computer $([Environment]::MachineName)"
    }

    return _GetRegistryValue -Path $componentPath -Value 'InstallPath'
}

Function _GetConnectionString($Version)
{
    $path = _GetInstallationPath -Version $Version -Component ApplicationTier
    $webConfigPath = Join-Path $path 'Web Services/Web.config'
    $webConfig = [xml] (Get-Content $webConfigPath)

    return (Select-Xml -Xml $webConfig -XPath '/configuration/appSettings/add[@key="applicationDatabase"]/@value').Node.Value
}

Function _GetRegistryValue($Path, $Value)
{
    return Get-ItemProperty -Path $Path -ErrorAction Continue | Select-Object -ExpandProperty $Value
}

Function _TestRegistryValue($Path, $Value)
{
    try
    {
        _GetRegistryValue -Path $Path -Value $Value | Out-Null
        return $true
    }
    finally {}

    return $false
}