1#!/bin/sh 2# validation reporter - reports validation failures to a collection server. 3# Copyright NLnet Labs, 2010 4# BSD license. 5 6 7### 8# Here is the configuration for the validation reporter 9# it greps the failure lines out of the log and sends them to a server. 10 11# The pidfile for the reporter daemon. 12pidfile="/var/run/validation-reporter.pid" 13 14# The logfile to watch for logged validation failures. 15logfile="/var/log/unbound.log" 16 17# how to notify the upstream 18# nc is netcat, it sends tcp to given host port. It makes a tcp connection 19# and writes one log-line to it (grepped from the logfile). 20# the notify command can be: "nc the.server.name.org 1234" 21# the listening daemon could be: nc -lk 127.0.0.1 1234 >> outputfile & 22notify_cmd="nc localhost 1234" 23 24 25### 26# Below this line is the code for the validation reporter, 27# first the daemon itself, then the controller for the daemon. 28reporter_daemon() { 29 trap "rm -f \"$pidfile\"" EXIT 30 tail -F $logfile | grep --line-buffered "unbound.*info: validation failure" | \ 31 while read x; do 32 echo "$x" | $notify_cmd 33 done 34} 35 36 37### 38# controller for daemon. 39start_daemon() { 40 echo "starting reporter" 41 nohup $0 rundaemon </dev/null >/dev/null 2>&1 & 42 echo $! > "$pidfile" 43} 44 45kill_daemon() { 46 echo "stopping reporter" 47 if test -s "$pidfile"; then 48 kill `cat "$pidfile"` 49 # check it is really dead 50 if kill -0 `cat "$pidfile"` >/dev/null 2>&1; then 51 sleep 1 52 while kill -0 `cat "$pidfile"` >/dev/null 2>&1; do 53 kill `cat "$pidfile"` >/dev/null 2>&1 54 echo "waiting for reporter to stop" 55 sleep 1 56 done 57 fi 58 fi 59} 60 61get_status_daemon() { 62 if test -s "$pidfile"; then 63 if kill -0 `cat "$pidfile"`; then 64 return 0; 65 fi 66 fi 67 return 1; 68} 69 70restart_daemon() { 71 kill_daemon 72 start_daemon 73} 74 75condrestart_daemon() { 76 if get_status_daemon; then 77 echo "reporter ("`cat "$pidfile"`") is running" 78 exit 0 79 fi 80 start_daemon 81 exit 0 82} 83 84status_daemon() { 85 if get_status_daemon; then 86 echo "reporter ("`cat "$pidfile"`") is running" 87 exit 0 88 fi 89 echo "reporter is not running" 90 exit 1 91} 92 93case "$1" in 94 rundaemon) 95 reporter_daemon 96 ;; 97 start) 98 start_daemon 99 ;; 100 stop) 101 kill_daemon 102 ;; 103 restart) 104 restart_daemon 105 ;; 106 condrestart) 107 condrestart_daemon 108 ;; 109 status) 110 status_daemon 111 ;; 112 *) 113 echo "Usage: $0 {start|stop|restart|condrestart|status}" 114 exit 2 115 ;; 116esac 117exit $? 118