netx/packaging/download_postgres.ps1

82 lines
3.3 KiB
PowerShell

param(
[string]$Version = "16.4-1",
[string]$OutDir = ""
)
$ErrorActionPreference = "Stop"
. "$PSScriptRoot\_common.ps1"
# EnterpriseDB binary zip (Windows x86-64). Override with -Version if the URL 404s.
$ver = $Version
$url = "https://get.enterprisedb.com/postgresql/postgresql-$ver-windows-x64-binaries.zip"
$cache = if ($OutDir) { $OutDir } else { Join-Path $PSScriptRoot "cache" }
$zipPath = Join-Path $cache "postgresql-$ver-windows-x64-binaries.zip"
$partialPath = "$zipPath.partial"
$extractRoot = Join-Path $cache "pgsql-$ver"
$destPgsql = Join-Path $PSScriptRoot "postgres\pgsql"
if (-not (Test-Path $cache)) {
New-Item -ItemType Directory -Path $cache -Force | Out-Null
}
Write-Host "==> PostgreSQL binaries URL: $url"
if (-not (Test-Path $zipPath)) {
Write-Host "==> Downloading (large; may take several minutes)..."
$curl = Get-Command curl.exe -ErrorAction SilentlyContinue
if ($curl) {
# PostgreSQL's archive is several hundred MB. Resume interrupted transfers
# instead of restarting the entire download when the CDN drops a connection.
& $curl.Source --fail --location --retry 8 --retry-all-errors --retry-delay 3 `
--connect-timeout 30 --continue-at - --output $partialPath $url
if ($LASTEXITCODE -ne 0) {
throw "postgres_download_failed: curl exit $LASTEXITCODE (partial file kept at $partialPath)"
}
Move-Item -LiteralPath $partialPath -Destination $zipPath -Force
} else {
# Fallback for environments without curl; retry from scratch on transient errors.
$downloaded = $false
for ($attempt = 1; $attempt -le 3 -and -not $downloaded; $attempt++) {
try {
Invoke-WebRequest -Uri $url -OutFile $partialPath -UseBasicParsing
Move-Item -LiteralPath $partialPath -Destination $zipPath -Force
$downloaded = $true
} catch {
if ($attempt -eq 3) { throw }
Remove-Item -LiteralPath $partialPath -Force -ErrorAction SilentlyContinue
Start-Sleep -Seconds (5 * $attempt)
}
}
}
} else {
Write-Host "==> Using cached zip: $zipPath"
}
if (Test-Path $extractRoot) {
Remove-Item -Recurse -Force $extractRoot
}
New-Item -ItemType Directory -Path $extractRoot -Force | Out-Null
Write-Host "==> Extracting..."
Expand-Archive -Path $zipPath -DestinationPath $extractRoot -Force
# Zip usually contains a top-level "pgsql" folder.
$found = Get-ChildItem -Path $extractRoot -Recurse -Filter "pg_ctl.exe" -ErrorAction SilentlyContinue |
Select-Object -First 1
if (-not $found) {
throw "pg_ctl.exe not found after extract; check zip layout"
}
$pgsqlSrc = Split-Path -Parent (Split-Path -Parent $found.FullName)
Write-Host "==> Found pgsql tree: $pgsqlSrc"
if (Test-Path $destPgsql) {
Remove-Item -Recurse -Force $destPgsql
}
New-Item -ItemType Directory -Path (Split-Path -Parent $destPgsql) -Force | Out-Null
Copy-Item -Path $pgsqlSrc -Destination $destPgsql -Recurse -Force
$pgCtl = Join-Path $destPgsql "bin\pg_ctl.exe"
if (-not (Test-Path $pgCtl)) {
throw "install_failed: missing $pgCtl"
}
Write-Host "==> Bundled PostgreSQL ready: $destPgsql" -ForegroundColor Green
Write-Host " Tip: data directory is NOT here; setup_first_run / start scripts use the NetX data root."