1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
#! /bin/sh
### BEGIN INIT INFO
# Provides: lbcd
# Required-Start: $remote_fs $network $syslog
# Required-Stop: $remote_fs $network $syslog
# Default-Start: 2 3 4 5
# Default-Stop:
# Short-Description: Load balancer client daemon
# Description: Provides system load, login, and service information
# via UDP, intended primarily for use with the lbnamed
# load balancing system.
### END INIT INFO
# Author: Russ Allbery <rra@debian.org>
PATH=/sbin:/bin:/usr/sbin:/usr/bin
DESC="load balancer client daemon"
NAME=lbcd
DAEMON=/usr/sbin/$NAME
DAEMON_OPTS=
PIDDIR=/var/run/$NAME
PIDFILE=${PIDDIR}/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
OWNER=lbcd
GROUP=lbcd
# Exit if the package is not installed.
[ -x "$DAEMON" ] || exit 0
# Read configuration variable file if it is present.
[ -r /etc/default/$NAME ] && . /etc/default/$NAME
# Load the VERBOSE setting and other rcS variables.
. /lib/init/vars.sh
# Define LSB log_* functions and init_is_upstart.
. /lib/lsb/init-functions
# Add the PID file flag to DAEMON_OPTS since the init script relies on a
# specific PID file location.
DAEMON_OPTS="$DAEMON_OPTS -P $PIDFILE"
# Create a directory for the PID file, since lbcd runs as a non-root user and
# creates its own PID file.
create_piddir()
{
mkdir -p "$PIDDIR"
chown "$OWNER":"$GROUP" "$PIDDIR"
}
# Start the daemon.
do_start()
{
create_piddir
start-stop-daemon --start --quiet --chuid "$USER":"$GROUP" \
--pidfile "$PIDFILE" --exec "$DAEMON" --test > /dev/null || return 1
start-stop-daemon --start --quiet --chuid "$USER":"$GROUP" \
--pidfile "$PIDFILE" --exec "$DAEMON" -- $DAEMON_OPTS || return 2
}
# Stop the daemon.
do_stop()
{
start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 \
--pidfile "$PIDFILE" --name "$NAME"
RETVAL="$?"
[ "$RETVAL" = 2 ] && return 2
rm -f "$PIDFILE"
return "$RETVAL"
}
case "$1" in
start)
[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
do_start
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
stop)
[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
do_stop
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
status)
status_of_proc -p "$PIDFILE" "$DAEMON" "$NAME" && exit 0 || exit $?
;;
reload|force-reload)
# No need to reload, as there's no configuration.
;;
restart)
log_daemon_msg "Restarting $DESC" "$NAME"
do_stop
case "$?" in
0|1)
do_start
case "$?" in
0) log_end_msg 0 ;;
1) log_end_msg 1 ;; # Old process is still running
*) log_end_msg 1 ;; # Failed to start
esac
;;
*)
# Failed to stop.
log_end_msg 1
;;
esac
;;
*)
echo "Usage: $SCRIPTNAME {start|stop|status|restart}" >&2
exit 3
;;
esac
:
|
