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1 | #!/bin/sh | |
2 | # | |
3 | # Nagios Host/service/network monitoring daemon | |
4 | # | |
5 | # chkconfig: 345 85 24 | |
6 | # description: Host/service/network monitoring daemon which uses snort as NIDS | |
7 | # | |
8 | ||
9 | # Source function library | |
10 | . /etc/rc.d/init.d/functions | |
11 | ||
12 | # Get network config | |
13 | . /etc/sysconfig/network | |
14 | ||
15 | # Get service config | |
16 | [ -f /etc/sysconfig/nagios ] && . /etc/sysconfig/nagios | |
17 | ||
18 | # Check that networking is up. | |
19 | if is_yes "${NETWORKING}"; then | |
20 | if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status ]; then | |
21 | msg_network_down "Nagios" | |
22 | exit 1 | |
23 | fi | |
24 | else | |
25 | exit 0 | |
26 | fi | |
27 | ||
28 | cfg_file=/etc/nagios/nagios.cfg | |
29 | ||
30 | # check for precache | |
31 | precached_object_file=$(awk -F= '/^precached_object_file/{print $2}' $cfg_file) | |
32 | ||
33 | # nagios pid file | |
34 | pid_file=$(awk -F= '/^lock_file/{print $2}' $cfg_file) | |
35 | pid_file=${pid_file:-/var/lib/nagios/nagios.pid} | |
36 | ||
37 | # configtest itself | |
38 | configtest() { | |
39 | /usr/sbin/nagios ${precached_object_file:+-p} -v $cfg_file | |
40 | } | |
41 | ||
42 | # wrapper for configtest: | |
43 | checkconfig() { | |
44 | local details=${1:-0} | |
45 | ||
46 | if [ $details = 1 ]; then | |
47 | # run config test and display report (status action) | |
48 | show "Checking %s configuration" "Nagios"; busy | |
49 | local out | |
50 | out=`configtest 2>&1` | |
51 | RETVAL=$? | |
52 | if [ $RETVAL = 0 ]; then | |
53 | ok | |
54 | else | |
55 | fail | |
56 | fi | |
57 | [ "$out" ] && echo >&2 "$out" | |
58 | else | |
59 | # run config test and abort with nice message if failed | |
60 | # (for actions checking status before action). | |
61 | configtest >/dev/null 2>&1 | |
62 | RETVAL=$? | |
63 | if [ $RETVAL != 0 ]; then | |
64 | show "Checking %s configuration" "Nagios"; fail | |
65 | nls 'Configuration test failed. See details with %s "checkconfig"' $0 | |
66 | exit $RETVAL | |
67 | fi | |
68 | fi | |
69 | } | |
70 | ||
71 | start() { | |
72 | # Check if the service is already running? | |
73 | if [ -f /var/lock/subsys/nagios ]; then | |
74 | msg_already_running "Nagios" | |
75 | return | |
76 | fi | |
77 | ||
78 | checkconfig | |
79 | msg_starting "Nagios" | |
80 | ||
81 | # remove stale cmd pipe (or nagios won't start if it exists) | |
82 | rm -f /var/lib/nagios/rw/nagios.cmd | |
83 | ||
84 | # we're safe to use -x as we did verify config prior startup | |
85 | # precached object file also is created in configtest. | |
86 | daemon /usr/sbin/nagios ${precached_object_file:+-u} -x -d $cfg_file | |
87 | RETVAL=$? | |
88 | if [ $RETVAL -eq 0 ]; then | |
89 | touch /var/lock/subsys/nagios | |
90 | fi | |
91 | } | |
92 | ||
93 | stop() { | |
94 | # Stop daemons. | |
95 | if [ ! -f /var/lock/subsys/nagios ]; then | |
96 | msg_not_running "Nagios" | |
97 | return | |
98 | fi | |
99 | ||
100 | msg_stopping "Nagios" | |
101 | killproc --pidfile $pid_file nagios | |
102 | rm -f /var/lock/subsys/nagios > /dev/null 2>&1 | |
103 | } | |
104 | ||
105 | reload() { | |
106 | if [ ! -f /var/lock/subsys/nagios ]; then | |
107 | msg_not_running "Nagios" | |
108 | RETVAL=7 | |
109 | return | |
110 | fi | |
111 | ||
112 | checkconfig | |
113 | msg_reloading "Nagios" | |
114 | ||
115 | # NOTE: precached object file is created in configtest. | |
116 | killproc --pidfile $pid_file nagios -HUP | |
117 | RETVAL=$? | |
118 | } | |
119 | ||
120 | condrestart() { | |
121 | if [ ! -f /var/lock/subsys/nagios ]; then | |
122 | msg_not_running "Nagios" | |
123 | RETVAL=$1 | |
124 | return | |
125 | fi | |
126 | ||
127 | checkconfig | |
128 | stop | |
129 | start | |
130 | } | |
131 | ||
132 | RETVAL=0 | |
133 | # See how we were called. | |
134 | case "$1" in | |
135 | start) | |
136 | start | |
137 | ;; | |
138 | stop) | |
139 | stop | |
140 | ;; | |
141 | restart) | |
142 | checkconfig | |
143 | stop | |
144 | start | |
145 | ;; | |
146 | try-restart) | |
147 | condrestart 0 | |
148 | ;; | |
149 | reload|force-reload) | |
150 | reload | |
151 | ;; | |
152 | checkconfig|configtest) | |
153 | checkconfig 1 | |
154 | ;; | |
155 | status) | |
156 | status --pidfile $pid_file nagios | |
157 | RETVAL=$? | |
158 | ;; | |
159 | *) | |
160 | msg_usage "$0 {start|stop|restart|try-restart|reload|force-reload|checkconfig|status}" | |
161 | exit 3 | |
162 | esac | |
163 | ||
164 | exit $RETVAL |