88 lines
3.4 KiB
PowerShell
88 lines
3.4 KiB
PowerShell
[CmdletBinding()]
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param(
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[Parameter(Mandatory = $true)]
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[string]$BackupFileName,
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[Parameter(Mandatory = $true)]
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[string]$DatabaseName,
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[Parameter(Mandatory = $true)]
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[string]$DataLogicalName,
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[Parameter(Mandatory = $true)]
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[string]$LogLogicalName,
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[string]$ContainerName = "ys-tplus-sqlserver-dev",
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[string]$BackupRoot = "D:\work\app\tplus-sqlserver\backup",
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[string]$DataRoot = "D:\work\app\tplus-sqlserver\data",
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[string]$LogRoot = "D:\work\app\tplus-sqlserver\log",
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[Parameter(Mandatory = $true)]
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[SecureString]$SaPassword
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)
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Set-StrictMode -Version Latest
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$ErrorActionPreference = "Stop"
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. (Join-Path $PSScriptRoot "container_sql.ps1")
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if ($DatabaseName -notmatch '^[A-Za-z_][A-Za-z0-9_]{0,127}$') {
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throw "恢复数据库名只能使用字母、数字和下划线。"
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}
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if ([IO.Path]::GetFileName($BackupFileName) -ne $BackupFileName) {
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throw "备份文件名不能包含目录。"
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}
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foreach ($path in @($BackupRoot, $DataRoot, $LogRoot)) {
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if (-not [IO.Path]::GetFullPath($path).StartsWith("D:\", [StringComparison]::OrdinalIgnoreCase)) {
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throw "恢复目录必须位于 D 盘。"
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}
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}
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$mounts = docker inspect $ContainerName --format '{{json .Mounts}}' | ConvertFrom-Json
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if ($LASTEXITCODE -ne 0) { throw "无法读取 SQL Server 容器挂载。" }
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foreach ($pair in @(
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@{ Target="/var/opt/mssql/data"; Source=$DataRoot },
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@{ Target="/var/opt/mssql/log"; Source=$LogRoot },
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@{ Target="/var/opt/mssql/backup"; Source=$BackupRoot }
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)) {
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$mount = @($mounts | Where-Object { $_.Destination -eq $pair.Target })
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if ($mount.Count -ne 1 -or $mount[0].Type -ne "bind") {
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throw "目标目录未明确绑定到宿主机 D 盘：$($pair.Target)"
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}
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if ([IO.Path]::GetFullPath($mount[0].Source) -ine [IO.Path]::GetFullPath($pair.Source)) {
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throw "实际挂载与恢复目录配置不一致：$($pair.Target)"
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}
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}
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foreach ($path in @($BackupRoot, $DataRoot, $LogRoot)) {
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if (-not (Test-Path -LiteralPath $path)) {
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New-Item -ItemType Directory -Path $path -Force | Out-Null
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}
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}
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$backupPath = Join-Path $BackupRoot $BackupFileName
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if (-not (Test-Path -LiteralPath $backupPath)) {
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throw "找不到备份文件：$backupPath"
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}
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$containerBackupPath = "/var/opt/mssql/backup/$BackupFileName"
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$dataPath = "/var/opt/mssql/data/$DatabaseName.mdf"
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$logPath = "/var/opt/mssql/log/$DatabaseName`_log.ldf"
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$safeDatabaseIdentifier = $DatabaseName.Replace("]", "]]" )
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$safeDatabaseLiteral = $DatabaseName.Replace("'", "''")
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$safeDataLogicalName = $DataLogicalName.Replace("'", "''")
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$safeLogLogicalName = $LogLogicalName.Replace("'", "''")
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$safeBackupPath = $containerBackupPath.Replace("'", "''")
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$sql = @"
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RESTORE VERIFYONLY FROM DISK = N'$safeBackupPath';
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IF DB_ID(N'$safeDatabaseLiteral') IS NOT NULL
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BEGIN
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THROW 51000, 'Target database exists; refusing to overwrite.', 1;
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END;
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RESTORE DATABASE [$safeDatabaseIdentifier]
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FROM DISK = N'$safeBackupPath'
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WITH MOVE N'$safeDataLogicalName' TO N'$dataPath',
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MOVE N'$safeLogLogicalName' TO N'$logPath',
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RECOVERY, STATS = 5;
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ALTER DATABASE [$safeDatabaseIdentifier] SET READ_ONLY;
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DBCC CHECKDB (N'$safeDatabaseLiteral') WITH NO_INFOMSGS;
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"@
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Write-Host "正在校验并恢复备份（密码不会输出）……"
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Invoke-TPlusContainerSql -ContainerName $ContainerName -Sql $sql -SaPassword $SaPassword
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Write-Host "恢复完成：$DatabaseName；数据库文件位于 D 盘绑定目录。"
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