internal/functions/get-azureserviceobjective.ps1

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<#
    .SYNOPSIS
        Get the Azure Service Objectives
         
    .DESCRIPTION
        Get the current tiering details from the Azure SQL Database instance
         
    .PARAMETER DatabaseServer
        The name of the database server
         
        If on-premises or classic SQL Server, use either short name og Fully Qualified Domain Name (FQDN).
         
        If Azure use the full address to the database server, e.g. server.database.windows.net
         
    .PARAMETER DatabaseName
        The name of the database
         
    .PARAMETER SqlUser
        The login name for the SQL Server instance
         
    .PARAMETER SqlPwd
        The password for the SQL Server user.
         
    .EXAMPLE
        PS C:\> Get-AzureServiceObjective -DatabaseServer dbserver1.database.windows.net -DatabaseName AxDB -SqlUser User123 -SqlPwd "Password123"
         
        This will get the Azure service objective details from the Azure SQL Database instance located at "dbserver1.database.windows.net"
         
    .NOTES
        Author: Rasmus Andersen (@ITRasmus)
        Author: Mötz Jensen (@Splaxi)
         
#>

function Get-AzureServiceObjective {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [string] $DatabaseServer,

        [Parameter(Mandatory = $true)]
        [string] $DatabaseName,

        [Parameter(Mandatory = $true)]
        [string] $SqlUser,

        [Parameter(Mandatory = $true)]
        [string] $SqlPwd
    )
        
    $sqlCommand = Get-SqlCommand @PsBoundParameters -TrustedConnection $false

    $commandText = (Get-Content "$script:ModuleRoot\internal\sql\get-azureserviceobjective.sql") -join [Environment]::NewLine

    $sqlCommand.CommandText = $commandText

    try {
        Write-PSFMessage -Level InternalComment -Message "Executing a script against the database." -Target (Get-SqlString $SqlCommand)

        $sqlCommand.Connection.Open()

        $reader = $sqlCommand.ExecuteReader()
        
        if ($reader.Read() -eq $true) {
            Write-PSFMessage -Level Verbose "Extracting details from the result retrieved from the Azure DB instance"

            $edition = $reader.GetString(1)
            $serviceObjective = $reader.GetString(2)

            $reader.close()
            
            $sqlCommand.Connection.Close()
            $sqlCommand.Dispose()
            
            [PSCustomObject]@{
                DatabaseEdition          = $edition
                DatabaseServiceObjective = $serviceObjective
            }
        }
        else {
            Write-PSFMessage -Level Host -Message "The query to detect <c='em'>edition</c> and <c='em'>service objectives</c> from the Azure DB instance <c='em'>failed</c>."
            Stop-PSFFunction -Message "Stopping because of missing parameters"
            return
        }
    }
    catch {
        Write-PSFMessage -Level Host -Message "Something went wrong while working against the database" -Exception $PSItem.Exception
        Stop-PSFFunction -Message "Stopping because of errors"
        return
    }
}