48 lines
2.5 KiB
PowerShell
48 lines
2.5 KiB
PowerShell
#requires -Version 5.1
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param(
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[Parameter(Mandatory = $true)][string]$Archive,
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[switch]$Force
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)
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$root = Split-Path $PSScriptRoot -Parent
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if (-not (Test-Path -LiteralPath $Archive -PathType Leaf)) { throw "Backup archive not found: $Archive" }
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if ((Test-Path (Join-Path $root '.env')) -and -not $Force) {
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throw 'Refusing to overwrite an existing deployment without -Force.'
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}
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$staging = Join-Path ([IO.Path]::GetTempPath()) "eternitymail-restore-$([guid]::NewGuid())"
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New-Item -ItemType Directory -Force -Path $staging | Out-Null
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try {
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docker run --rm -v "${Archive}:/backup/archive.tar.gz:ro" -v "${staging}:/restore" alpine:3.21 tar -C /restore -xzf /backup/archive.tar.gz
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if ($LASTEXITCODE) { throw 'Could not extract backup archive.' }
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docker run --rm -v "${staging}:/restore:ro" alpine:3.21 sh -c 'cd /restore && sha256sum -c SHA256SUMS'
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if ($LASTEXITCODE) { throw 'Backup checksum verification failed.' }
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if ($Force) {
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Push-Location $root
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docker compose down
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docker volume rm eternitymail-stalwart-etc eternitymail-stalwart-data eternitymail-stalwart-certs 2>$null
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docker run --rm -v /opt/eternitymail:/data alpine:3.21 sh -c 'rm -rf /data/roundcube-db /data/roundcube-config'
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Pop-Location
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}
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Copy-Item "$staging\.env" (Join-Path $root '.env') -Force
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$project = (Get-Content (Join-Path $root '.env') | Where-Object { $_ -match '^PROJECT_NAME=' } | Select-Object -First 1) -replace '^PROJECT_NAME=', ''
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if (-not $project) { $project = 'eternitymail' }
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foreach ($volume in 'stalwart-etc', 'stalwart-data', 'stalwart-certs') {
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docker volume create "${project}-${volume}" | Out-Null
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docker run --rm -v "${project}-${volume}:/destination" -v "${staging}:/restore:ro" alpine:3.21 tar -C /destination -xzf "/restore/volumes/$volume.tar.gz"
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if ($LASTEXITCODE) { throw "Could not restore volume $volume" }
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}
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foreach ($directory in 'roundcube-db', 'roundcube-config') {
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docker run --rm -v /opt/eternitymail:/data -v "${staging}:/restore:ro" alpine:3.21 sh -c "mkdir -p /data/$directory && tar -C /data/$directory -xzf /restore/bind-mounts/$directory.tar.gz"
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if ($LASTEXITCODE) { throw "Could not restore $directory" }
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}
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Push-Location $root
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docker compose up -d
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Pop-Location
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Write-Output 'Restore complete. Verify with: docker compose ps'
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} finally {
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Pop-Location -ErrorAction SilentlyContinue
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Remove-Item -Recurse -Force $staging -ErrorAction SilentlyContinue
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} |