3 # trigger-rcmp: Trigger remote commands
4 # Copyright (c)2014 Alexander Barton (alex@barton.de)
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
10 # Please read the file COPYING, README and AUTHORS for more information.
13 NAME="`basename "$0"`"
14 RCMD_D="/usr/local/etc/rcmd.d"
16 PATH="$PATH:/usr/local/sbin:/usr/sbin"
19 echo "Usage: $0 <rcmd> [<rcmd> [...]]" >&2
32 echo "$NAME: failed to read \"$cnf\"!"
38 echo "$NAME: checking system \"$SYSTEM\" ..."
39 fping -c1 -q "$SYSTEM" 2>/dev/null
41 echo "$NAME: \"$SYSTEM\" seems to be down, wake it up ..."
42 etherwake -b -i "$IFACE" `echo "$SYSTEM" | cut -d'.' -f1`
44 echo "$NAME: failed to wake \"$SYSTEM\"!" >&2
47 echo "$NAME: waiting for \"$SYSTEM\" to respond ..."
48 for i in `seq 1 $TIMEOUT`; do
49 fping -c1 -q "$SYSTEM" 2>/dev/null
53 fping -c1 -q "$SYSTEM" 2>/dev/null
55 echo "$NAME: failed to wake \"$SYSTEM\"!" >&2
61 echo "$NAME: \"$SYSTEM\" is already alive, ok."
65 echo "$NAME: calling \"$CMD\" on \"$SYSTEM\" ..."
68 ssh -q "$SYSTEM" "$CMD" </dev/null ; r=$?
71 echo "$NAME: remote command ended with return code $r."
74 if [ "$rsys_was_running" -eq 0 ]; then
75 rsys_users=`ssh -q "$SYSTEM" w | tail -n +3 | wc -l`
76 if [ "$rsys_users" = "0" ]; then
77 echo "$NAME: power off \"$SYSTEM\" again ..."
78 ssh -q "$SYSTEM" "sync; shutdown -hP +1"
80 echo "$NAME: failed to power off \"$SYSTEM\"!" >&2
84 echo "$NAME: not shutting down \"$SYSTEM\", \c"
85 [ $rsys_users -eq 1 ] \
86 && echo "there is 1 user logged in!" \
87 || echo "there are $rsys_users users logged in!"
90 echo "$NAME: \"$SYSTEM\" was already alive, not shutting down."
92 [ $r -eq 0 ] && return 0 || return 1
95 while [ $# -gt 0 ]; do
105 [ $# -gt 0 ] || do_help
108 while [ $# -gt 0 ]; do
110 if [ ! -r "$cnf" ]; then
111 echo "$NAME: can't read \"$cnf\"!"
114 echo "$NAME: working on \"$1\" - `date "+%Y-%m-%d %H:%M:%S"`"
116 echo "$NAME: done ($r) - `date "+%Y-%m-%d %H:%M:%S"`"
118 [ $r -ne 0 ] && result=1