updated server install scripts
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5 changed files with 544 additions and 4 deletions
185
scripts/install-prereqs.ps1
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185
scripts/install-prereqs.ps1
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#Requires -Version 5.1
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<#
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.SYNOPSIS
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Installs everything owpengram-server.bat checks for, via winget: Go, Python 3
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(+ the panel's packages in a venv) and OpenSSL.
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.DESCRIPTION
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Docker is the deliberate exception. It is only reported, with a link: on Windows
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the containers this server needs (PostgreSQL, Redis, MinIO) are Linux images, so
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the daemon has to sit on a Linux kernel -- which means Docker Desktop with WSL2,
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an install that wants a reboot and carries its own licence terms. That is not a
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thing to start behind someone's back.
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.PARAMETER DryRun
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Only report what would be installed.
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.PARAMETER Yes
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Skip the confirmation prompt.
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#>
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param(
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[switch]$DryRun,
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[switch]$Yes
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)
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Set-StrictMode -Version Latest
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$ErrorActionPreference = 'Stop'
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$RepoRoot = (Resolve-Path (Join-Path $PSScriptRoot '..')).Path
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$DockerDocs = 'https://docs.docker.com/desktop/setup/install/windows-install/'
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$GoMinMinor = 25
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function Write-Ok { param([string]$Text) Write-Host "[ok] $Text" -ForegroundColor Green }
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function Write-Info { param([string]$Text) Write-Host "[..] $Text" -ForegroundColor Cyan }
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function Write-Warn { param([string]$Text) Write-Host "[WARN] $Text" -ForegroundColor Yellow }
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function Write-Err { param([string]$Text) Write-Host "[ERROR] $Text" -ForegroundColor Red }
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function Test-Command { param([string]$Name) [bool](Get-Command $Name -ErrorAction SilentlyContinue) }
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# winget puts new tools on the machine/user PATH, but this process was started
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# with the old one -- without this the venv step cannot find the Python it just
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# installed, and the closing "go version" would report the absence of Go.
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function Update-PathFromRegistry {
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$machine = [Environment]::GetEnvironmentVariable('Path', 'Machine')
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$user = [Environment]::GetEnvironmentVariable('Path', 'User')
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$env:Path = (@($machine, $user) | Where-Object { $_ }) -join ';'
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}
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# python.exe on a stock Windows is often the Microsoft Store's app-execution
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# alias: present on PATH, and it opens the Store instead of running anything.
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# Only a real version string counts, which is the same trap owpengram-server.bat
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# documents.
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function Get-WorkingPython {
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foreach ($candidate in @('py -3', 'python3', 'python')) {
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$parts = $candidate.Split(' ')
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if (-not (Test-Command $parts[0])) { continue }
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try {
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$out = & $parts[0] @($parts[1..($parts.Length - 1)] + '--version') 2>&1 | Out-String
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} catch { continue }
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if ($out -match 'Python 3\.') { return $candidate }
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}
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return $null
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}
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function Test-GoRecentEnough {
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if (-not (Test-Command 'go')) { return $false }
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try { $version = (& go env GOVERSION 2>$null | Out-String).Trim() } catch { return $false }
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if ($version -match '^go1\.(\d+)') { return [int]$Matches[1] -ge $GoMinMinor }
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return $false
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}
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# Same precedence owpengram-server.bat uses when it picks an interpreter: the
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# venv when one exists, otherwise whatever Python is on PATH. Checking only the
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# venv would report the packages missing on a machine that already has them
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# installed system-wide, and build a venv nobody asked for.
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function Test-PanelDepsInstalled {
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$checker = Join-Path $RepoRoot 'tui-panel\check_deps.py'
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$venvPython = Join-Path $RepoRoot '.venv\Scripts\python.exe'
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if (Test-Path $venvPython) {
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$missing = & $venvPython $checker 2>$null | Out-String
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return [string]::IsNullOrWhiteSpace($missing)
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}
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$fallback = Get-WorkingPython
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if (-not $fallback) { return $false }
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$parts = $fallback.Split(' ')
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$missing = & $parts[0] @($parts[1..($parts.Length - 1)] + $checker) 2>$null | Out-String
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return [string]::IsNullOrWhiteSpace($missing)
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}
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function Install-WingetPackage {
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param([string]$Id, [string]$Label)
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Write-Info "Installing $Label ($Id)"
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& winget install --exact --id $Id --source winget `
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--accept-package-agreements --accept-source-agreements --disable-interactivity
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# 0 is installed; -1978335189 is "no applicable upgrade", i.e. already current.
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if ($LASTEXITCODE -ne 0 -and $LASTEXITCODE -ne -1978335189) {
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throw "winget failed to install $Id (exit $LASTEXITCODE)"
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}
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Update-PathFromRegistry
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}
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if (-not (Test-Command 'winget')) {
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Write-Err 'winget is not available. Install "App Installer" from the Microsoft Store, then run this again.'
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exit 1
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}
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# --- what is missing ---------------------------------------------------------
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$python = Get-WorkingPython
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$needed = [System.Collections.Generic.List[string]]::new()
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if (-not (Test-GoRecentEnough)) { $needed.Add('go') }
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if (-not $python) { $needed.Add('python') }
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if (-not (Test-Command 'openssl')) { $needed.Add('openssl') }
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if (-not (Test-PanelDepsInstalled)) { $needed.Add('pydeps') }
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$dockerMissing = -not (Test-Command 'docker')
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if ($needed.Count -eq 0 -and -not $dockerMissing) {
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Write-Ok 'All prerequisites are already installed.'
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exit 0
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}
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Write-Host ''
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Write-Host '== Missing prerequisites ==' -ForegroundColor Yellow
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foreach ($item in $needed) {
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switch ($item) {
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'go' { Write-Host " - Go 1.$GoMinMinor+ (builds owpengram-server and the admin panel)" }
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'python' { Write-Host ' - Python 3 (runs the server-panel TUI)' }
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'pydeps' { Write-Host ' - Python packages: textual, psutil, cryptography (into .\.venv)' }
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'openssl' { Write-Host " - OpenSSL (exports the server's RSA public key for clients)" }
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}
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}
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if ($dockerMissing) { Write-Host ' - Docker (runs PostgreSQL, Redis and MinIO) -- install this one yourself, see below' }
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Write-Host ''
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if ($DryRun) {
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Write-Ok 'Dry run -- nothing was installed.'
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exit 0
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}
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if ($needed.Count -gt 0 -and -not $Yes) {
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$answer = Read-Host 'Install these now? [Y/n]'
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if ($answer -and $answer -notmatch '^(y|yes)$') {
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Write-Err 'cancelled'
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exit 1
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}
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}
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if ($needed -contains 'go') { Install-WingetPackage -Id 'GoLang.Go' -Label 'Go' }
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if ($needed -contains 'python') { Install-WingetPackage -Id 'Python.Python.3.13' -Label 'Python 3.13' }
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if ($needed -contains 'openssl') { Install-WingetPackage -Id 'ShiningLight.OpenSSL.Light' -Label 'OpenSSL' }
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# --- the panel's Python packages ---------------------------------------------
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# A venv rather than the machine-wide interpreter, to match what the Linux side
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# does and what owpengram-server.bat already prefers once one exists.
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if ($needed -contains 'pydeps' -or $needed -contains 'python') {
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$python = Get-WorkingPython
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if (-not $python) {
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Write-Err 'Python still is not callable. Open a new terminal and run this script again.'
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exit 1
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}
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Write-Info 'Installing the panel''s Python packages into .\.venv'
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$venvPython = Join-Path $RepoRoot '.venv\Scripts\python.exe'
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if (-not (Test-Path $venvPython)) {
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$parts = $python.Split(' ')
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& $parts[0] @($parts[1..($parts.Length - 1)] + @('-m', 'venv', (Join-Path $RepoRoot '.venv')))
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if ($LASTEXITCODE -ne 0) { throw 'could not create .venv' }
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}
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& $venvPython -m pip install --quiet --upgrade pip
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& $venvPython -m pip install --quiet -r (Join-Path $RepoRoot 'tui-panel\requirements-panel.txt')
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if ($LASTEXITCODE -ne 0) { throw 'could not install the panel''s Python packages' }
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Write-Ok 'Python packages installed'
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}
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Write-Host ''
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if ($dockerMissing) {
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Write-Warn 'Docker still has to be installed by hand.'
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Write-Host " The server's PostgreSQL, Redis and MinIO are Linux containers, so Windows"
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Write-Host ' needs Docker Desktop (it brings the WSL2 backend that runs them).'
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Write-Host " $DockerDocs"
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Write-Host ' Install it, reboot if it asks, then run this script again.'
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Write-Host ''
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}
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if ($needed.Count -gt 0) {
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Write-Ok 'Prerequisites are ready.'
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Write-Host ' Open a new terminal so the updated PATH is picked up, then start the server with:'
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Write-Host ' owpengram-server.bat'
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}
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