Utility script to create a Terraform working directory from a repository

Copy-QaInfra.ps1

<#
.SYNOPSIS
    Utility script to create a Terraform working directory from a repository
.EXAMPLE
    Copy-QaInfra.ps1 -VariablePath ./mke_412_rc1 -DestinationPath ./mke_412_ga -Verbose
#>
[CmdletBinding()]
param (
    # Path to the items to copy
    [ValidateScript({Test-Path $_ -PathType Container})]
    [Parameter(mandatory=$false)]
    [string]
    $RepoPath = '/mnt/c/Users/rleap/Documents/gitrepo/qa-infra',

    # Files to includes in the operation (qualifies the Path parameter)
    [Parameter(mandatory=$false)]
    [string[]]
    $FileTypeToInclude = @('*.tf','*.json','*.yaml','*.tpl','*.tmpl','*.tftpl','*.sh','*.ps1','*.psm1','*.psd1','*.py','*.js','*.md','*.toml','*.cfg','*.example'),

    # Add any bare filenames (no extension) you want copied
    [Parameter(mandatory=$false)]
    [string[]]
    $BareNamesToInclude = @('Makefile','MAKEFILE'),

    # Directories to exclude from the operation (qualifies the Path parameter)
    [Parameter(mandatory=$false)]
    [string[]]
    $DirToExclude = @('.git','.terraform','ssh_keys','img','images'),

    # Path to Terraform variable definition files specific to the configuration
    [ValidateScript({Test-Path $_ -PathType Container})]
    [Parameter(mandatory=$true)]
    [string]
    $VariablePath,

    # Path to the working directory
    [Parameter(mandatory=$true)]
    [string]
    $DestinationPath
)


function Copy-ViaRsync {
    [CmdletBinding(SupportsShouldProcess = $true)]
    param(
        [Parameter(Mandatory)]
        [string]$Path,

        [Parameter(Mandatory)]
        [string]$Destination,

        [string[]]$Include = @(),
        [string[]]$Exclude = @(),
        [switch]$Recurse,  # kept for compatibility
        [switch]$Force     # kept for compatibility
    )

    if (-not (Test-Path -LiteralPath $Destination -PathType Container)) {
        $null = New-Item -ItemType Directory -Path $Destination -Force
    }

    $rsync = '/usr/bin/rsync'
    if (-not (Test-Path -LiteralPath $rsync)) { $rsync = 'rsync' }

    $src = ($Path.TrimEnd('/')) + '/'
    $dst = ($Destination.TrimEnd('/')) + '/'

    # Use a non-reserved name instead of $args
    [string[]]$rsyncArgs = @('-a','-m')  # archive + prune empty dirs

    if ($VerbosePreference -eq 'Continue') {
        $rsyncArgs += @('-v','--itemize-changes','--info=NAME')
    }

    $rsyncArgs += '--include=*/'
    foreach ($p in $Include) { if ($p) { $rsyncArgs += "--include=$p" } }
    foreach ($d in $Exclude) { if ($d) { $rsyncArgs += "--exclude=/$d/**" } }
    $rsyncArgs += '--exclude=*'
    $rsyncArgs += @($src, $dst)

    if ($PSCmdlet.ShouldProcess("$src -> $dst", "rsync $($rsyncArgs -join ' ')")) {
        & $rsync @rsyncArgs
        if ($LASTEXITCODE -ne 0) { throw "rsync exited with code $LASTEXITCODE" }
    }
}


if (-not(Test-Path -Path $DestinationPath -PathType Container)) {
    $null = New-Item -Path $DestinationPath -ItemType Directory -ErrorAction Stop
}

$includes = @($FileTypeToInclude + $BareNamesToInclude)
Copy-ViaRsync -Path $RepoPath -Destination $DestinationPath -Include $includes -Exclude $DirToExclude -Recurse -Force
Copy-Item -Path (Join-Path -Path $VariablePath -ChildPath '*.tfvars') -Destination $DestinationPath -PassThru