Paweł Domański
101 lines
3.5 KiB
PowerShell
101 lines
3.5 KiB
PowerShell
function Import-DBAToolBoxDependencies {
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<#
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.SYNOPSIS
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Ensures the dbatools module is available and imported.
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#>
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if (-not (Get-Module -ListAvailable dbatools)) {
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throw "The 'dbatools' module is not installed. Please install it using 'Install-Module dbatools'."
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}
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if (-not (Get-Module dbatools)) {
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Import-Module dbatools -ErrorAction Stop
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}
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}
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function Test-SQLConnection {
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<#
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.SYNOPSIS
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Tests connection to a SQL Server instance and returns basic info using native ADO.NET.
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#>
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param(
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[Parameter(Mandatory=$true)]
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[string]$ServerInstance
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)
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$connString = "Server=$ServerInstance;Database=master;Integrated Security=True;Connection Timeout=5;TrustServerCertificate=True;"
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$connection = New-Object System.Data.SqlClient.SqlConnection($connString)
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try {
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$connection.Open()
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# Query basic server properties
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$cmd = $connection.CreateCommand()
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$cmd.CommandText = "SELECT @@VERSION as Version, SERVERPROPERTY('Edition') as Edition, SERVERPROPERTY('MachineName') as Instance, SERVERPROPERTY('ProductVersion') as VerString"
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$reader = $cmd.ExecuteReader()
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if ($reader.Read()) {
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$ver = $reader["VerString"].ToString()
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$edition = $reader["Edition"].ToString()
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$instance = $reader["Instance"].ToString()
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return @{
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Success = $true
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Instance = if ([string]::IsNullOrEmpty($instance)) { $ServerInstance } else { $instance }
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Version = $ver
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Edition = $edition
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Status = "Online"
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}
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} else {
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return @{ Success = $false; Error = "Failed to read server properties." }
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}
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} catch {
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return @{ Success = $false; Error = $_.Exception.Message }
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} finally {
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if ($null -ne $connection -and $connection.State -eq [System.Data.ConnectionState]::Open) {
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$connection.Close()
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}
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}
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}
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function Get-SQLDatabases {
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<#
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.SYNOPSIS
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Gets database information for a SQL Server instance using native ADO.NET.
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#>
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param(
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[Parameter(Mandatory=$true)]
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[string]$ServerInstance
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)
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$connString = "Server=$ServerInstance;Database=master;Integrated Security=True;Connection Timeout=5;TrustServerCertificate=True;"
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$connection = New-Object System.Data.SqlClient.SqlConnection($connString)
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try {
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$connection.Open()
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# Query databases from sys.databases
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$cmd = $connection.CreateCommand()
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$cmd.CommandText = "SELECT name, state_desc, (size * 8.0 / 1024.0) as size_mb, recovery_model_desc FROM sys.databases"
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$adapter = New-Object System.Data.SqlClient.SqlDataAdapter($cmd)
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$table = New-Object System.Data.DataTable
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$null = $adapter.Fill($table)
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$dbList = @()
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foreach ($row in $table.Rows) {
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$dbList += [pscustomobject]@{
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Name = $row.name
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Status = $row.state_desc
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Size = "$([Math]::Round([double]$row.size_mb, 2)) MB"
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RecoveryModel = $row.recovery_model_desc
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}
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}
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return $dbList
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} catch {
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throw "Failed to get databases: $($_.Exception.Message)"
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} finally {
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if ($null -ne $connection -and $connection.State -eq [System.Data.ConnectionState]::Open) {
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$connection.Close()
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}
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}
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}
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Export-ModuleMember -Function Import-DBAToolBoxDependencies, Test-SQLConnection, Get-SQLDatabases |