Check whether a machine is virtual machine

How to check whether a machine is virtual machine?

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$ hostnamectl status

if the output shows  "Chassis: vm" , it is virtual machine.

For physical machine it shows something like "Chassis: laptop"
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Another command to try
$  systemd-detect-virt

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source:
https://www.ostechnix.com/check-linux-system-physical-virtual-machine/

LinchPin tool

LinchPin is a simple and flexible hybrid cloud orchestration tool. Its intended purpose is managing cloud resources across multiple infrastructures. These resources can be provisioned, decommissioned, and configured all using declarative data and a simple command-line interface.

Documentation:

https://linch-pin.readthedocs.io/en/develop/index.html#index-why-linchpin

GitHub link:

https://github.com/CentOS-PaaS-SIG/linchpin