PowerShell-скрипт для быстрого восстановления базы данных (SQL Server)

Function Exec(
    [System.String]$command,
    [System.String]$serverInstance
) {
    Invoke-Sqlcmd -Query $command -ServerInstance $ServerInstance
}

Function Test(
    [System.String] $serverInstance
) {
    $command = EXEC master..xp_cmdshell 'set'
    Exec $command $serverInstance
}

Function Reconfigure(
    [System.String] $serverInstance
) {
    $command = RECONFIGURE
    Exec $command $serverInstance
}

Function Show-Advanced-Options(
    [System.String] $serverInstance
) {
    $command = EXEC sp_configure 'show advanced options', 1
    Exec $command $serverInstance
    Reconfigure $serverInstance
}

Function Xp-CmdShell(
    [System.String] $serverInstance
) {
    $command = EXEC sp_configure 'xp_cmdshell', 1
    Exec $command $serverInstance
    $command = RECONFIGURE
    Reconfigure $serverInstance
}

Function Net-Use-Delete(
    [System.String] $drive,
    [System.String] $serverInstance
) {
    $command = EXEC XP_CMDSHELL 'net use $drive /delete /y'
    Exec $command $serverInstance
}

Function Net-Use-Add(
    [System.String] $drive,
    [System.String] $hostPath,
    [System.String] $hostUser,
    [System.String] $hostPassword,
    [System.String] $serverInstance
) {
    $command = EXEC XP_CMDSHELL 'net use $drive $hostPath /user:$hostUser $hostPassword /persistent:yes'
    Exec $command $serverInstance
}

Function Set-Database-Offline(
    [System.String] $dbName,
    [System.String] $serverInstance
) {
    $command = ALTER DATABASE [$dbName] SET OFFLINE WITH ROLLBACK IMMEDIATE
    Exec $command $serverInstance
}

Function Set-Database-Online(
    [System.String] $dbName,
    [System.String] $serverInstance
) {
    $command = ALTER DATABASE [$dbName] SET ONLINE
    Exec $command $serverInstance
}

Function Restore-Database(
    [System.String] $dbName,
    [System.String] $dbFilePath,
    [System.String] $serverInstance
) {
    $command = RESTORE DATABASE [$dbName] FROM DISK = '$dbFilePath' WITH REPLACE
    Exec $command $serverInstance
}

.\Load-Module.ps1 SQLCmd

$serverInstance = BOT-SP2016

$db = @{
    name = SharePoint_Content_80
    path = \db\ksup\content\2019.09.16.00.00.07.bak
}

$hostInfo = @{
    path = $env:hostPath
    user = $env:hostUser
    password = $env:hostPassword
}

Write-Host [x] database preconfig
Show-Advanced-Options $serverInstance
Xp-CmdShell $serverInstance

Write-Host [x] virtual path mappings
Net-Use-Delete H: $serverInstance
Net-Use-Add H: $hostInfo.path $hostInfo.user $hostInfo.password $serverInstance

Write-Host [x] taking database $($db.name) offline
Set-Database-Offline $db.name $serverInstance

Write-Host [x] restorting database $($db.name) from file $($db.path)
$path = Join-Path -Path $hostInfo.path -ChildPath $db.path
Restore-Database $db.name  $path $serverInstance

Write-Host [x] taking database $($db.name) online
Set-Database-Online $db.name $serverInstance
Write-Host [x] scenario completed -ForegroundColor Green