Vacuum journalctl of nodes in your inventory

.vacuum-nodes.sh

#!/usr/bin/env bash

exitCode(){
    case $1 in
        0)
        echo "Completed with success"
        ;;
        *)
        echo "Exited with failure: $1"
        ;;
    esac
}

for NODE in node{1..4}; do
    echo "Vacuuming on $NODE"
    ssh $NODE sudo journalctl --vacuum-time=6h
    exitCode $?
done