Set-AzElasticPool.ps1

#Requires -Version 5.0
#Requires -Modules Az.Sql

<#
    .SYNOPSIS
        Modifies properties of an elastic database pool in Azure SQL Database
    
    .DESCRIPTION  
        
    .NOTES
        This PowerShell script was developed and optimized for ScriptRunner. The use of the scripts requires ScriptRunner. 
        The customer or user is authorized to copy the script from the repository and use them in ScriptRunner. 
        The terms of use for ScriptRunner do not apply to this script. In particular, ScriptRunner Software GmbH assumes no liability for the function, 
        the use and the consequences of the use of this freely available script.
        PowerShell is a product of Microsoft Corporation. ScriptRunner is a product of ScriptRunner Software GmbH.
        © ScriptRunner Software GmbH

    .COMPONENT
        Requires Module Az.Sql
        Requires Library script AzureAzLibrary.ps1

    .LINK
        https://github.com/scriptrunner/ActionPacks/blob/master/Azure/SQL

    .Parameter PoolName
        [sr-en] Specifies the name of the elastic pool
        [sr-de] Name des elastic pools

    .Parameter ServerName
        [sr-en] Specifies the name of the server that contains the elastic pool
        [sr-de] Name des Servers auf dem sich der elastic pool befindet

    .Parameter ResourceGroupName
        [sr-en] Specifies the name of the resource group that contains the elastic pool 
        [sr-de] Name der resource group die den elastic pool enthält

    .Parameter Edition
        [sr-en] Specifies the edition of the Azure SQL Database used for the elastic pool 
        [sr-de] Edition der Azure SQL-Datenbank

    .Parameter LicenseType
        [sr-en] The license type for the Azure Sql database 
        [sr-de] Lizenz Type der Datenbank

    .Parameter StorageMB
        [sr-en] Specifies the storage limit, in megabytes, for the elastic pool 
        [sr-de] Speichergrenzwert in Megabyte

    .Parameter Dtu
        [sr-en] Specifies the total number of shared DTUs for the elastic pool 
        [sr-de] Gesamtzahl der freigegebenen DTUs

    .Parameter DatabaseDtuMax
        [sr-en] Specifies the maximum number of Database Throughput Units (DTUs) that any single database in the pool can consume 
        [sr-de] Maximale Anzahl von DTUs 

    .Parameter DatabaseDtuMin
        [sr-en] Specifies the minimum number of DTUs that the elastic pool guarantees to all the databases in the pool 
        [sr-de] Mindestanzahl von DTUs 

    .Parameter ZoneRedundant
        [sr-en] The zone redundancy to associate with the Azure Sql Elastic Pool 
        [sr-de] Zonenredundanz, die dem Azure Sql Elastic Pool zugeordnet werden soll
#>

param( 
    [Parameter(Mandatory = $true)]
    [string]$PoolName,
    [Parameter(Mandatory = $true)]
    [string]$ResourceGroupName,
    [Parameter(Mandatory = $true)]
    [string]$ServerName,
    [ValidateSet('Basic','Standard','Premium','DataWarehouse','Free','Stretch','GeneralPurpose','BusinessCritical')]
    [string]$Edition ,
    [string]$LicenseType,
    [int]$StorageMB,  
    [int]$Dtu,
    [int]$DatabaseDtuMax,
    [int]$DatabaseDtuMin,
    [switch]$ZoneRedundant
)

Import-Module Az.Sql

try{
    [string[]]$Properties = @('ElasticPoolName','ResourceGroupName','ServerName','State','Edition','Dtu','DatabaseDtuMax','DatabaseDtuMin','StorageMB','CreationDate','Tags')
    
    [hashtable]$cmdArgs = @{'ErrorAction' = 'Stop'
                            'Confirm' = $false
                            'ServerName' = $ServerName
                            'ResourceGroupName' = $ResourceGroupName
                            'ElasticPoolName' = $PoolName
                            'ZoneRedundant' = $ZoneRedundant}
    
    if([System.String]::IsNullOrWhiteSpace($Edition) -eq $false){
        $cmdArgs.Add('Edition',$Edition)
    }
    if([System.String]::IsNullOrWhiteSpace($LicenseType) -eq $false){
        $cmdArgs.Add('LicenseType',$LicenseType)
    }
    if($StorageMB -gt 0){
        $cmdArgs.Add('StorageMB',$StorageMB)
    }    
    if($Dtu -gt 0){
        $cmdArgs.Add('Dtu',$Dtu)
    }    
    if($DatabaseDtuMax -gt 0){
        $cmdArgs.Add('DatabaseDtuMax',$DatabaseDtuMax)
    }    
    if($DatabaseDtuMin -gt 0){
        $cmdArgs.Add('DatabaseDtuMin',$DatabaseDtuMin)
    }

    $ret = Set-AzSqlElasticPool @cmdArgs | Select-Object $Properties

    if($SRXEnv) {
        $SRXEnv.ResultMessage = $ret 
    }
    else{
        Write-Output $ret
    }
}
catch{
    throw
}
finally{
}