Sometimes you gotta break all your AWS tags

FixDumbTagMistake.ps1

# Change up $role / $product as needed

$MajorEnv = 'int'
$EnvNumber = '01'
$Env = "$MajorEnv$EnvNumber"
$Role = 'es-master'
$values = "$Env-$Role*"
$Product = 'los'

# Get empty web server tags
$Instances = (get-ec2instance -Filter @( @{name='tag:aws:cloudformation:stack-name'; values=$values}) | Select-Object -ExpandProperty instances).instanceid

$tag = New-Object Amazon.EC2.Model.Tag
$tag.Key = "Name"
$tag.Value = "$MajorEnv$EnvNumber-$Role"

$instances | New-EC2Tag -Tag $tag -Force

$tag = New-Object Amazon.EC2.Model.Tag
$tag.Key = "Patch Group"
$tag.Value = "$MajorEnv-$Role"

$instances | New-EC2Tag -Tag $tag -Force

$tag = New-Object Amazon.EC2.Model.Tag
$tag.Key = "role"
$tag.Value = $Role

$instances | New-EC2Tag -Tag $tag -Force

$tag = New-Object Amazon.EC2.Model.Tag
$tag.Key = "product"
$tag.Value = $Product

$instances | New-EC2Tag -Tag $tag -Force

$tag = New-Object Amazon.EC2.Model.Tag
$tag.Key = "environment"
$tag.Value = $Env

$instances | New-EC2Tag -Tag $tag -Force

$tag = New-Object Amazon.EC2.Model.Tag
$tag.Key = "major environment"
$tag.Value = $MajorEnv

$instances | New-EC2Tag -Tag $tag -Force