UpdateManagement-Template.ps1
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<#PSScriptInfo .VERSION 1.0 .GUID 5a1ed24c-9099-4921-a135-bfc13213619b .AUTHOR zachal .COMPANYNAME .COPYRIGHT .TAGS .LICENSEURI .PROJECTURI .ICONURI .EXTERNALMODULEDEPENDENCIES .REQUIREDSCRIPTS .EXTERNALSCRIPTDEPENDENCIES .RELEASENOTES .PRIVATEDATA #> <# .DESCRIPTION Pre Post #> Param() <# .SYNOPSIS Barebones script for Update Management Pre/Post .DESCRIPTION This script is intended to be run as a part of Update Management Pre/Post scripts. It requires a RunAs account. .PARAMETER SoftwareUpdateConfigurationRunContext This is a system variable which is automatically passed in by Update Management during a deployment. #> param( [string]$SoftwareUpdateConfigurationRunContext ) #region BoilerplateAuthentication #This requires a RunAs account $ServicePrincipalConnection = Get-AutomationConnection -Name 'AzureRunAsConnection' Add-AzureRmAccount ` -ServicePrincipal ` -TenantId $ServicePrincipalConnection.TenantId ` -ApplicationId $ServicePrincipalConnection.ApplicationId ` -CertificateThumbprint $ServicePrincipalConnection.CertificateThumbprint $AzureContext = Select-AzureRmSubscription -SubscriptionId $ServicePrincipalConnection.SubscriptionID #endregion BoilerplateAuthentication Write-Output "Input: $SoftwareUpdateConfigurationRunContext" #If you wish to use the run context, it must be converted from JSON $context = ConvertFrom-Json $SoftwareUpdateConfigurationRunContext Write-Output "Context: $context" $RunId = $context.SoftwareUpdateConfigurationRunId Write-Output "Run ID: $RunID" #Configuration settings is another JSON and must be parsed again $Settings = ConvertFrom-Json $context.SoftwareUpdateConfigurationSettings Write-Output "List of settings: $Settings" $VmIds = $Settings.AzureVirtualMachines Write-Output "Azure VMs: $VmIds" #Example: How to create and write to a variable using the pre-script: <# #Create variable named after this run so it can be retrieved New-AzureRmAutomationVariable -ResourceGroupName $ResourceGroup –AutomationAccountName $AutomationAccount –Name $runId -Value "" –Encrypted $false #Set value of variable Set-AutomationVariable –Name $runId -Value $vmIds #> #Example: How to retrieve information from a variable set during the pre-script <# $variable = Get-AutomationVariable -Name $runId #> |