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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 | # configtest itself | |
34 | configtest() { | |
35 | /usr/sbin/nagios ${precached_object_file:+-p} -v $cfg_file | |
36 | } | |
37 | ||
38 | # wrapper for configtest: | |
39 | checkconfig() { | |
40 | local details=${1:-0} | |
41 | ||
42 | if [ $details = 1 ]; then | |
43 | # run config test and display report (status action) | |
44 | show "Checking %s configuration" "Nagios"; busy | |
45 | local out | |
46 | out=`configtest 2>&1` | |
47 | RETVAL=$? | |
48 | if [ $RETVAL = 0 ]; then | |
49 | ok | |
50 | else | |
51 | fail | |
52 | fi | |
53 | [ "$out" ] && echo >&2 "$out" | |
54 | else | |
55 | # run config test and abort with nice message if failed | |
56 | # (for actions checking status before action). | |
57 | configtest >/dev/null 2>&1 | |
58 | RETVAL=$? | |
59 | if [ $RETVAL != 0 ]; then | |
60 | show "Checking %s configuration" "Nagios"; fail | |
61 | nls 'Configuration test failed. See details with %s "checkconfig"' $0 | |
62 | exit $RETVAL | |
63 | fi | |
64 | fi | |
65 | } | |
66 | ||
67 | start() { | |
68 | # Check if the service is already running? | |
69 | if [ -f /var/lock/subsys/nagios ]; then | |
70 | msg_already_running "Nagios" | |
71 | return | |
72 | fi | |
73 | ||
74 | checkconfig | |
75 | msg_starting "Nagios" | |
76 | ||
77 | # remove stale cmd pipe (or nagios won't start if it exists) | |
78 | rm -f /var/lib/nagios/rw/nagios.cmd | |
79 | ||
80 | # we're safe to use -x as we did verify config prior startup | |
81 | # precached object file also is created in configtest. | |
82 | daemon /usr/sbin/nagios ${precached_object_file:+-u} -x -d $cfg_file | |
83 | RETVAL=$? | |
84 | if [ $RETVAL -eq 0 ]; then | |
85 | touch /var/lock/subsys/nagios | |
86 | fi | |
87 | } | |
88 | ||
89 | stop() { | |
90 | # Stop daemons. | |
91 | if [ ! -f /var/lock/subsys/nagios ]; then | |
92 | msg_not_running "Nagios" | |
93 | return | |
94 | fi | |
95 | ||
96 | msg_stopping "Nagios" | |
97 | killproc nagios -TERM | |
98 | rm -f /var/lock/subsys/nagios > /dev/null 2>&1 | |
99 | } | |
100 | ||
101 | reload() { | |
102 | if [ ! -f /var/lock/subsys/nagios ]; then | |
103 | msg_not_running "Nagios" | |
104 | RETVAL=7 | |
105 | return | |
106 | fi | |
107 | ||
108 | checkconfig | |
109 | msg_reloading "Nagios" | |
110 | ||
111 | # NOTE: precached object file is created in configtest. | |
112 | killproc nagios -HUP | |
113 | RETVAL=$? | |
114 | } | |
115 | ||
116 | condrestart() { | |
117 | if [ ! -f /var/lock/subsys/nagios ]; then | |
118 | msg_not_running "Nagios" | |
119 | RETVAL=$1 | |
120 | return | |
121 | fi | |
122 | ||
123 | checkconfig | |
124 | stop | |
125 | start | |
126 | } | |
127 | ||
128 | RETVAL=0 | |
129 | # See how we were called. | |
130 | case "$1" in | |
131 | start) | |
132 | start | |
133 | ;; | |
134 | stop) | |
135 | stop | |
136 | ;; | |
137 | restart) | |
138 | checkconfig | |
139 | stop | |
140 | start | |
141 | ;; | |
142 | try-restart) | |
143 | condrestart 0 | |
144 | ;; | |
145 | reload|force-reload) | |
146 | reload | |
147 | ;; | |
148 | checkconfig|configtest) | |
149 | checkconfig 1 | |
150 | ;; | |
151 | status) | |
152 | status nagios | |
153 | RETVAL=$? | |
154 | ;; | |
155 | *) | |
156 | msg_usage "$0 {start|stop|restart|try-restart|reload|force-reload|checkconfig|status}" | |
157 | exit 3 | |
158 | esac | |
159 | ||
160 | exit $RETVAL |