shell script to list all geard installed containers

gearls.sh

#!/bin/bash

cd /var/lib/containers/units
units=$(find . -maxdepth 2 | grep '.service' | awk -F'/' '{print $3}')

keys=( LoadState ActiveState SubState UnitFileState )

result=""

for unit in $units; do
  unit_info=$(systemctl show "$unit")
  result="${result}${unit}"
  #echo -n "$unit"
  for query_key in "${keys[@]}"; do
        result="$result $(echo "$unit_info" | grep $query_key | awk -F'=' '{printf " %s", $2}')"
  done
  result="$result\n"
done

echo -e "$result" | column -t -s ' '

Sampel output:

[root@localhost units]# gearls
ctr-busy.1.service    loaded    inactive    dead    enabled
ctr-busy.2.service    loaded    inactive    dead    enabled