39 lines
1.1 KiB
PowerShell
39 lines
1.1 KiB
PowerShell
[CmdletBinding()]
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param(
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[Parameter(Mandatory = $true)]
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[string]$BackupDirectory
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)
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$ErrorActionPreference = "Stop"
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$target = (Resolve-Path -LiteralPath $BackupDirectory).Path
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$requiredFiles = @(
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"SHA256SUMS",
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"postgres.dump",
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"postgres.contents",
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"minio-data.tar.gz",
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"manifest.txt"
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)
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foreach ($file in $requiredFiles) {
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if (-not (Test-Path -LiteralPath (Join-Path $target $file) -PathType Leaf)) {
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throw "备份缺少文件：$file"
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}
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}
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foreach ($line in Get-Content -LiteralPath (Join-Path $target "SHA256SUMS")) {
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if ($line -notmatch "^([0-9a-fA-F]{64})\s{2}(.+)$") {
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throw "SHA256SUMS 格式无效：$line"
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}
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$expected = $Matches[1].ToLowerInvariant()
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$file = $Matches[2]
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$path = Join-Path $target $file
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if (-not (Test-Path -LiteralPath $path -PathType Leaf)) {
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throw "校验文件不存在：$file"
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}
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$actual = (Get-FileHash -Algorithm SHA256 -LiteralPath $path).Hash.ToLowerInvariant()
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if ($actual -ne $expected) {
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throw "备份校验失败：$file"
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}
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}
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Write-Output "备份校验通过：$target"
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