Create MySqlAutoScaleUP.ps1

Utility/MySQL/MySqlAutoScaleUP.ps1

@@ -0,0 +1,196 @@
+<#
+.SYNOPSIS
+    Auto scale up Managed MySQL DB to the next higher vCPU
+
+.DESCRIPTION
+    This runbook will auto scale up Managed MySQL DB instance to the next 
+    higher available vCPU configuration with a given Tier 
+
+.PARAMETER ResourceGroupName
+    The name of Resource Group
+
+.PARAMETER ServerName
+    The name of Server
+
+.PARAMETER SkuTier
+    The name current Tier
+
+.EXAMPLE
+    MySQLAutoScaleUP -ResourceGroupName "prod" -Server 'dbazure' -SkuTier "Gen5"
+
+.NOTES
+    AUTHOR: Vikrant Pawar
+    LASTEDIT: Sep 20th 2021 
+#>
+
+workflow MySQLAutoScaleUP
+{
+    ########################################################
+
+    # Parameters
+
+    ########################################################
+
+    [CmdletBinding()]
+
+    param(
+
+        [Parameter(Mandatory=$True,Position=0)]
+
+        [ValidateLength(1,100)]
+
+        [string]$ResourceGroupName,
+
+
+
+        [Parameter(Mandatory=$True,Position=1)]
+
+        [ValidateLength(1,100)]
+
+        [string]$ServerName,
+
+
+
+        [Parameter(Mandatory=$False,Position=2)]
+
+        [ValidateLength(1,100)]
+
+        [string]$SkuTier
+
+    )
+
+
+
+    # Track the execution date & time
+    $StartDate=(GET-DATE)
+
+
+
+    ########################################################
+
+    # Log-in to Azure with AZ (standard code)
+
+    ########################################################
+
+    Write-Verbose -Message 'Connecting to Azure'
+
+
+
+    # Name of the Azure Run As a connection
+
+    $ConnectionName = 'AzureRunAsConnection'
+
+    try
+
+    {
+
+        # Get the connection properties to connect Azure resources
+
+        $ServicePrincipalConnection = Get-AutomationConnection -Name $ConnectionName      
+
+
+
+        'Log in to Azure...'
+
+    # $null = Connect-AzAccount `
+
+        #    -ServicePrincipal `
+
+        #   -TenantId $ServicePrincipalConnection.TenantId `
+
+        #  -ApplicationId $ServicePrincipalConnection.ApplicationId `
+
+        # -CertificateThumbprint $ServicePrincipalConnection.CertificateThumbprint 
+
+            $null = Add-AzAccount `
+            -ServicePrincipal `
+            -TenantId $servicePrincipalConnection.TenantId `
+            -ApplicationId $servicePrincipalConnection.ApplicationId `
+            -CertificateThumbprint $servicePrincipalConnection.CertificateThumbprint 
+
+    }
+
+    catch 
+
+    {
+
+        if (!$ServicePrincipalConnection)
+
+        {
+
+            #Missed to 'Create Azure Run As account' 
+
+            $ErrorMessage = "Connection $ConnectionName not found."
+
+            throw $ErrorMessage
+
+        }
+
+        else
+
+        {
+
+            # additional execption
+
+            Write-Error -Message $_.Exception.Message
+
+            throw $_.Exception
+
+        }
+
+    }
+
+
+
+    ########################################################
+
+    # Setting SKU Tier for MySQLDatabase
+
+    ########################################################
+    "get current sku"
+    $CurrentSKU = (Get-AzMySqlServer -Name $ServerName -ResourceGroupName $ResourceGroupName).skuname
+    $CurrentVCPU = $CurrentSKU.substring($CurrentSKU.length-2,2)
+    $NewVCPU = 2*$CurrentVCPU
+    $NewSKU = $SkuTier + "_" + $NewVCPU
+    "current sku is $CurrentSKU and vCPU $CurrentVCPU, New SKU is $NewSKU"
+
+
+    If($CurrentSKU -eq $NewSKU)
+
+    {
+
+        # Validating the existing SKU value
+
+        Write-Error "Cannot change pricing tier of $ServerName because the new SKU $SkuTier tier is equal to current SKU tier $CurrentSKU."
+
+        return
+
+    }
+
+    else
+
+    {
+
+        try
+
+        {
+
+            # updating the existing SKU value with the new one
+            "Upscaling from SKU tier $CurrentSKU to $NewSKU"
+            Write-Verbose -Message "Upscaling from SKU tier $CurrentSKU to $NewSKU"
+            Update-AzMySqlServer -Name "$($ServerName)" -ResourceGroupName  "$($ResourceGroupName)" -sku "$($NewSKU)"
+
+        }
+
+        catch
+
+        {
+
+            Write-Error -Message $_.Exception.Message
+
+            throw $_.Exception
+
+        }    
+
+    }
+}