Enables the new instance-metadata-tags option on all AWS EC2 instances via the AWS CLI.

Enable-EC2MetadataTags.ps1

$regions = $regions = (aws ec2 describe-regions | ConvertFrom-Json).Regions

foreach($region in $regions.RegionName) {
  $instances = (aws --region $($region) ec2 describe-instances | ConvertFrom-Json ).Reservations.Instances

foreach($instance in $instances) {
    aws --region $($region) ec2 modify-instance-metadata-options --instance-id $($instance.InstanceId) --instance-metadata-tags enabled
    }
}