#!/bin/sh
#
# trigger-rcmp: Trigger remote commands
-# Copyright (c)2014 Alexander Barton (alex@barton.de)
+# Copyright (c)2014-2015 Alexander Barton (alex@barton.de)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
IFACE="eth0"
CMD="uptime"
TIMEOUT="180"
+ SSH_CHECKS="6"
+ WAKE_DELAY="10s"
+ BOOT_DELAY="1m"
+ SHUTDOWN_TIME="+10"
. "$cnf"
echo "$NAME: checking system \"$SYSTEM\" ..."
fping -c1 -q "$SYSTEM" 2>/dev/null
if [ $? -ne 0 ]; then
+ if [ -n "$NO_WAKE" ]; then
+ echo "$NAME: \"$SYSTEM\" seems to be down, skipping job."
+ return 9
+ fi
+
echo "$NAME: \"$SYSTEM\" seems to be down, wake it up ..."
etherwake -b -i "$IFACE" `echo "$SYSTEM" | cut -d'.' -f1`
if [ $? -ne 0 ]; then
echo "$NAME: failed to wake \"$SYSTEM\"!" >&2
return 4
fi
- sleep 3
+ sleep "$WAKE_DELAY"
rsys_was_running=0
else
echo "$NAME: \"$SYSTEM\" is already alive, ok."
rsys_was_running=1
fi
+ for i in `seq 1 $SSH_CHECKS`; do
+ echo "$NAME: checking SSH connection ($i/$SSH_CHECKS) ..."
+ ssh -q -o "ServerAliveInterval 120" "$SYSTEM" true >/dev/null 2>&1 && break
+ echo "$NAME: SSH on \"$SYSTEM\" not ready. Waiting ..."
+ sleep 10s
+ done
+ echo "$NAME: ok, SSH seems to be available on \"$SYSTEM\"."
+
+ if [ "$rsys_was_running" -eq 0 ]; then
+ echo "$NAME: \"$SYSTEM\" just started up. Delaying actions for $BOOT_DELAY ..."
+ sleep "$BOOT_DELAY"
+ fi
+
echo "$NAME: calling \"$CMD\" on \"$SYSTEM\" ..."
echo
- ssh -q "$SYSTEM" "$CMD" </dev/null ; r=$?
+ ssh -q -o "ServerAliveInterval 120" "$SYSTEM" "$CMD" </dev/null ; r=$?
echo
echo "$NAME: remote command ended with return code $r."
rsys_users=`ssh -q "$SYSTEM" w | tail -n +3 | wc -l`
if [ "$rsys_users" = "0" ]; then
echo "$NAME: power off \"$SYSTEM\" again ..."
- ssh -q "$SYSTEM" "sync; shutdown -hP +1"
+ ssh -q -o "ServerAliveInterval 120" "$SYSTEM" "sync; shutdown -hP $SHUTDOWN_TIME" >/dev/null
if [ $? -ne 0 ]; then
echo "$NAME: failed to power off \"$SYSTEM\"!" >&2
return 5
[ $r -eq 0 ] && return 0 || return 1
}
+# Defaults
+NO_WAKE=
+
while [ $# -gt 0 ]; do
case "$1" in
+ --no-wake|-n)
+ NO_WAKE=1; ;;
--help|-*)
do_help; ;;
*)