git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@147266 65c4cc65-6c06-0410-ace0-fbb531ad65f3
111 lines
2.7 KiB
Bash
111 lines
2.7 KiB
Bash
#!/bin/bash
|
|
# vim:textwidth=80:tabstop=4:shiftwidth=4:smartindent
|
|
#
|
|
# this scripts prompts the user thrice, then tells asterisk to please shut down,
|
|
# then kills asterisk and related processes with SIGTERM, then kills asterisk
|
|
# and related processes with SIGKILL, and then starts asterisk with
|
|
# safe_asterisk. Three arguments are currently supported, --no-countdown,
|
|
# --no-prompt and --no-stop-now-first
|
|
|
|
LOGFILE=/var/log/asterisk/safe_asterisk_restart.log
|
|
ASTERISK=/usr/sbin/asterisk
|
|
SAFE_ASTERISK=/usr/sbin/safe_asterisk
|
|
|
|
DELAY=1 # Seconds between steps in countdown
|
|
COUNTDOWN_FROM=5 # Steps to count down
|
|
DO_COUNTDOWN=1 # Should I do a countdown before restarting asterisk?
|
|
DO_PROMPT=1 # Should I prompt the user?
|
|
TRY_STOP_NOW_FIRST=1 # Attempt a 'stop now' before killing processes. Note
|
|
# that this might make this script hang if asterisk
|
|
# can't respond to the command.
|
|
|
|
# processes to kill. Please list all AGI scripts here as well as the asterisk
|
|
# processes, since asterisk may leave them unkilled.
|
|
PROCVICTIMS="safe_asterisk asterisk mpg123"
|
|
|
|
# helper functions
|
|
# die ["string to print"]
|
|
function die {
|
|
if [[ "$1" != "" ]]; then
|
|
echo $1
|
|
else
|
|
echo "ok. no harm done..."
|
|
fi
|
|
exit
|
|
}
|
|
|
|
# docmd "string to print" "cmd"
|
|
function docmd {
|
|
printf "$1..."
|
|
`$2 >> $LOGFILE 2>&1`
|
|
RETCODE=$?
|
|
sleep $DELAY
|
|
if [[ "$RETCODE" == "0" ]]; then
|
|
echo " OK"
|
|
else
|
|
echo " FAILED"
|
|
fi
|
|
}
|
|
|
|
# prompt "string" "positive answer"
|
|
function prompt {
|
|
printf "$1"
|
|
read answer
|
|
if [[ "$answer" != "$2" ]]; then
|
|
die
|
|
fi
|
|
}
|
|
|
|
# countdown secs
|
|
function countdown {
|
|
echo -n "$1 "
|
|
if [[ $1 > 0 ]]; then
|
|
sleep 1
|
|
countdown $[ $1 - 1 ]
|
|
else
|
|
echo "boom!"
|
|
fi
|
|
}
|
|
|
|
# am I really root?
|
|
if [[ "$UID" != "0" ]]; then
|
|
echo "Sorry, only root can do this." >&2
|
|
exit;
|
|
fi
|
|
|
|
echo "`date`: $0 invoked" >> $LOGFILE
|
|
|
|
# bash
|
|
for i
|
|
do
|
|
if [[ "$i" == "--no-countdown" ]]
|
|
then
|
|
unset DO_COUNTDOWN
|
|
fi
|
|
if [[ "$i" == "--no-prompt" ]]
|
|
then
|
|
unset DO_PROMPT
|
|
fi
|
|
if [[ "$i" == "--no-stop-now-first" ]]
|
|
then
|
|
unset TRY_STOP_NOW_FIRST
|
|
fi
|
|
done
|
|
|
|
[[ $DO_PROMPT ]] && prompt "Are you sure you want to restart asterisk? (yes/no)? " "yes"
|
|
[[ $DO_PROMPT ]] && prompt "Really sure? (yes/no)? " "yes"
|
|
[[ $DO_PROMPT ]] && prompt "Absolutely positive? (YES/no)? " "YES"
|
|
|
|
[[ $DO_COUNTDOWN ]] && echo "OK, I'll do it, but if you're not sure about this, press ctrl+c now."
|
|
[[ $DO_COUNTDOWN ]] && countdown $COUNTDOWN_FROM
|
|
|
|
# doing the dirty work
|
|
[[ $TRY_STOP_NOW_FIRST ]] && docmd "Asking asterisk kindly to shutdown" "$ASTERISK -rx 'stop now'"
|
|
docmd "Sending asterisk processes the TERM signal" "pkill -15 $PROCVICTIMS"
|
|
docmd "Sending asterisk processes KILL signal" "pkill -9 $PROCVICTIMS"
|
|
docmd "Starting safe_asterisk" "$SAFE_ASTERISK"
|
|
for i in $PROCVICTIMS
|
|
do
|
|
ps axf | grep -w $i | grep -v grep
|
|
done
|