Public/SSM/Set-ATSSMWindowsAdminUser.ps1
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function Set-ATSSMWindowsAdminUser { <# .SYNOPSIS Use SSM to set up an admin user on one or more Windows instances .DESCRIPTION Uses SSM to set up a user from the given credentials as a local administrator on the target instances. Instances are checked for being Windows, running, passed status checks and SSM enabled. This is good for instances created without a key pair, or just to create a user that isn't Administrator. .PARAMETER InstanceId List of instance IDs on which to set credential .PARAMETER Username Username to set .PARAMETER Password Password to set .PARAMETER Credential PSCredential containing credentials to set. .EXAMPLE Get-Credential | Set-ATSSMWindowsAdminUser -InstanceId i-00000000,i-00000001 Prompt for credential and add as an admin user on given instances. .EXAMPLE Set-ATSSMWindowsAdminUser -InstanceId i-00000000,i-00000001 -Username jdoe -Password Password1 Add given user with password as admin on given instances. #> param ( [Parameter(Mandatory = $true)] [string[]]$InstanceId, [Parameter(Mandatory = $true, ParameterSetName = 'ByUserName')] [string]$Username, [Parameter(Mandatory = $true, ParameterSetName = 'ByUserName')] [string]$Password, [Parameter(Mandatory = $true, ParameterSetName = 'ByCredential', ValueFromPipeline = $true)] [PSCredential]$Credential ) $instanceTypes = Get-SSMEnabledInstances -InstanceId $InstanceId if (-not $instanceTypes.Windows) { Write-Warning "No instances found that are Windows, running, passed status checks, SSM enabled and ready." return } Write-Host "Setting credentials on $($instanceTypes.Windows -join ', ')" if ($PSCmdlet.ParameterSetName -eq 'cred') { $nc = $Credential.GetNetworkCredential() $Username = $nc.UserName $Password = $nc.Password } $script = "net user $Username `"$Password`" /add ; net localgroup Administrators $Username /add" Invoke-ATSSMPowerShellScript -InstanceIds $InstanceId -ScriptBlock ([scriptblock]::Create($script)) -AsText $script = $null } |