When you create a VM instance on Google Cloud, you can optionally specify instance metadata. Instance metadata is a list of key/value pairs and the most common use case for using metadata is passing a startup or shutdown script to a VM. But startup and shutdown scripts are not the only platform features that rely on metadata. Compute Engine also uses metadata as a vehicle to implement a range of feature flags as the following list shows: Metadata keyImplemented byWindowsLinux enable-os-invent...
