Files
DBAdmin/toolbox/Modules/SQLManager.psm1
T
Paweł Domański 8e5a02b968 Jun 3, 2026, 3:39 PM
2026-06-03 13:39:39 +00:00

101 lines
3.5 KiB
PowerShell

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