code.delx.au - monosys/blob - find-services-to-restart

   1 #!/bin/bash
   2
   3 function get_pids_to_restart {
   4     sudo lsof +c 0 / | \
   5         grep 'DEL\|(deleted)' | \
   6         awk '{print $2}' | \
   7         sort -u
   8 }
   9
  10 function find_service_for_pid {
  11     systemctl status "$1" | \
  12         head -n1 | \
  13         awk '{print $2}' | \
  14         grep '\.service$'
  15 }
  16
  17 function is_cron_child {
  18     if [ "$1" != "cronie.service" ]; then
  19         return 1
  20     fi
  21     if systemctl show cronie -p MainPID | grep -q "$2"; then
  22         return 1
  23     fi
  24     return 0
  25 }
  26
  27 function echo_kill_pid {
  28     echo "sudo kill $1 # $(ps -p"$1" -o user=,cmd=)"
  29 }
  30
  31 function echo_restart_service {
  32     echo "sudo systemctl restart $1"
  33 }
  34
  35 for pid in $(get_pids_to_restart); do
  36     if [ "$pid" = 1 ]; then
  37         echo "sudo systemctl daemon-reexec"
  38         exit 0
  39     fi
  40
  41     service="$(find_service_for_pid "$pid")"
  42     if is_cron_child "$service" "$pid"; then
  43         echo_kill_pid "$pid"
  44
  45     elif [ -n "$service" ]; then
  46         echo_restart_service "$service"
  47
  48     else
  49         echo_kill_pid "$pid"
  50     fi
  51
  52 done | sort -u
  53