Re:Ask HN: How do you document and keep tabs on your infrast...
by sedachv on Saturday March 10, 2018 @01:40AM
(#16557425)
VMs need to be kept track of in whatever system you use for provisioning (AWS, OpenStack), otherwise you now have three sources of truth: what the configuration says should be running, what the DCIM thinks is running, and what is actually running.
I'm not saying your example is wrong, but "there is an even better alternative" doesn't always apply. For smaller scales, sure.