blob: 423bafc259c48951f52fc70b4a4c6db80705c327 (
plain)
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
120
121
122
123
124
125
|
#!/usr/bin/env bash
get_child_pids() {
if [[ -z "$1" ]]; then echo "get_child_pids:error: \$1 is empty " 1>&2 ; exit 1 ; fi
local parent_pid=$1
ps -o pid --no-headers --ppid $parent_pid
}
# Function to recursively get all descendant PIDs
get_descendant_pids() {
if [[ -z "$1" ]]; then echo "get_descendant_pids:error: \$1 is empty " 1>&2 ; exit 1 ; fi
local parent_pid=$1
local child_pids=$(get_child_pids $parent_pid)
for pid in $child_pids; do
echo $pid
get_descendant_pids $pid
done
}
export LC_ALL=C
function qnd_waitpid()
(
while ps -p $1 &> /dev/null
do
sleep 5
done
)
cd /tmp
source /etc/smokeping/slave_config.conf || { printf "/etc/smokeping/slave_config.conf not found\n" ; exit 1; }
LOGFILE=${LOGFILE:-/var/log/smokeping-slave.log}
CACHEDIR=${CACHEDIR:-/var/lib/smokeping/slave-cache}
SLAVE_SECRET_PATH=${SLAVE_SECRET_PATH:-/etc/smokeping/slave_secret.conf}
SMOKEPING_USER=${SMOKEPING_USER:-smokeping}
if [[ "$MASTER_URL" == "" ]] ; then
printf "Set MASTER_URL= in /etc/smokeping/slave_config.conf\n"
exit 1
fi
if [[ ! -e "$SLAVE_SECRET_PATH" ]] ; then
printf "set SLAVE_SECRET_PATH in /etc/smokeping/slave_config.conf\n"
fi
chmod a-rwx "$SLAVE_SECRET_PATH"
SMOKEPING_PIDFILE=/run/smokeping-slave.pid
start()
{
cd /var/lib/smokeping/
mkdir -p "$CACHEDIR"
chown $SMOKEPING_USER $CACHEDIR
touch "$LOGFILE"
chown $SMOKEPING_USER "$LOGFILE"
while true
do
/sbin/setcap 'CAP_NET_RAW+eip CAP_NET_ADMIN+eip' /usr/sbin/fping
printf "\nStarting smokeping: %s\n" "$(date +'%Y-%m-%dT%H:%M:%S')" >> "$LOGFILE"
unset LC_ALL
unset LC_COLLATE
rm -rf "$CACHEDIR"/*.cache
printf '\nMONITOR:%s New process\n' $(date +'%Y-%m-%dT%H:%M:%S') >> $LOGFILE
/bin/su $SMOKEPING_USER -s/bin/bash -c "\
/usr/bin/smokeping \
--nodaemon \
--master-url=$MASTER_URL\
--cache-dir=$CACHEDIR \
--shared-secret=$SLAVE_SECRET_PATH \
--logfile=$LOGFILE &>> $LOGFILE"
sync
sleep 1
# qnd_waitpid $(cat "$CACHEDIR"/smokeping.pid)
printf "MONITOR:Smokeping died: %s\n" "$(date +'%Y-%m-%dT%H:%M:%S')" | tee "$LOGFILE"
sleep 5
done & >/dev/null 2>&1
WRAPPER_PID=$!
echo "$WRAPPER_PID" > /run/smokeping-slave.pid
}
stop()
{
printf "Killing smokeping slave.\n"
child_pids=$(get_descendant_pids $(cat "$SMOKEPING_PIDFILE"))
printf "PIDS=%s" "$(cat "$SMOKEPING_PIDFILE") $child_pids"
/bin/kill --timeout 3000 TERM --timeout 1000 KILL --signal QUIT $(cat "$SMOKEPING_PIDFILE") $child_pids
}
case "$1" in
start)
printf "case up\n"
start
exit "$?"
;;
stop)
printf "case down\n"
stop
exit "$?"
;;
status)
if [[ -e "$SMOKEPING_PIDFILE" && "" != $(cat "$SMOKEPING_PIDFILE") ]] ; then
pstree -s -p $(cat "$SMOKEPING_PIDFILE")
else
printf "smokeping slave is not running or not running from this service.\n"
fi
;;
restart)
if ! stop
then
exit "$?"
fi
if ! start
then
exit "$?"
fi
;;
*) printf "usage: {up,down,restart,status}\n"
esac
|
