public/EC2/Switch-AWSHelperInstanceSecurityGroups.ps1
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<# .EXAMPLE Switch-AWSHelperInstanceSecurityGroups -CurrentInstanceID 'i-0210e383e3d655d40' -ReplacementInstanceID 'i-0085c230708198b6f' -Region eu-west-1 #> function Switch-AWSHelperInstanceSecurityGroups{ [CmdletBinding(SupportsShouldProcess=$true)] param( [Parameter(Mandatory=$true)] [string]$CurrentInstanceID, [Parameter(Mandatory=$true)] [string]$ReplacementInstanceID, [Parameter(Mandatory=$true)] [string]$Region ) $CurrentInstance = Get-EC2Instance -InstanceId $CurrentInstanceID -Region $Region | Select -ExpandProperty Instances $CurrentInstanceSGs = $CurrentInstance.SecurityGroups.groupid $ReplacementInstance = Get-EC2Instance -InstanceId $ReplacementInstanceID -Region $Region | Select -ExpandProperty Instances $ReplacementInstanceSGs = $ReplacementInstance.SecurityGroups.groupid Write-Verbose "Replacing $CurrentInstanceID security groups with those from $ReplacementInstanceID" Edit-EC2InstanceAttribute -InstanceId $CurrentInstanceID -Group $ReplacementInstanceSGs -Region $Region Write-Verbose "Replacing $ReplacementInstanceID security groups with those from $CurrentInstanceID" Edit-EC2InstanceAttribute -InstanceId $ReplacementInstanceID -Group $CurrentInstanceSGs -Region $Region } |