whereami

#!/bin/bash

myenv=""

if [ ! -z $container ]; then
   myenv="${myenv}In a $container container. "
else
   myenv="${myenv}On a $(uname) server. "
fi

if mount | grep 'overlay on / ' >& /dev/null; then
   myenv="${myenv}Inside an overlay filesystem. "
fi

if [ -f /var/run/secrets/kubernetes.io ]; then
   myenv="${myenv}Inside a Kubernetes cluster. "
fi

if systemd-detect-virt >& /dev/null; then
   myenv="${myenv}Running in a VM. "
fi

if [ ! -z $SSH_CONNECTION ]; then
   myenv="${myenv}In someone else's computer. "
fi

echo $myenv