diff options
Diffstat (limited to 'plugins-scripts/check_log.sh')
| -rwxr-xr-x | plugins-scripts/check_log.sh | 88 |
1 files changed, 71 insertions, 17 deletions
diff --git a/plugins-scripts/check_log.sh b/plugins-scripts/check_log.sh index 8f76b1b5..61131236 100755 --- a/plugins-scripts/check_log.sh +++ b/plugins-scripts/check_log.sh @@ -1,8 +1,7 @@ #!/bin/sh # # Log file pattern detector plugin for monitoring -# Written by Ethan Galstad (nagios@nagios.org) -# Last Modified: 07-31-1999 +# Written originally by Ethan Galstad (nagios@nagios.org) # # Usage: ./check_log <log_file> <old_log_file> <pattern> # @@ -70,6 +69,11 @@ print_usage() { echo "Usage: $PROGNAME -F logfile -O oldlog -q query" echo "Usage: $PROGNAME --help" echo "Usage: $PROGNAME --version" + echo "" + echo "Other parameters:" + echo " -a|--all : Print all matching lines" + echo " -p|--perl-regex : Use perl style regular expressions in the query" + echo " -e|--extended-regex : Use extended style regular expressions in the query (not necessary for GNU grep)" } print_help() { @@ -116,34 +120,58 @@ while test -n "$1"; do ;; --filename) logfile=$2 - shift + shift 2 ;; -F) logfile=$2 - shift + shift 2 ;; --oldlog) oldlog=$2 - shift + shift 2 ;; -O) oldlog=$2 - shift + shift 2 ;; --query) query=$2 - shift + shift 2 ;; -q) query=$2 - shift + shift 2 ;; -x) exitstatus=$2 - shift + shift 2 ;; --exitstatus) exitstatus=$2 + shift 2 + ;; + --extended-regex) + ERE=1 + shift + ;; + -e) + ERE=1 + shift + ;; + --perl-regex) + PRE=1 + shift + ;; + -p) + PRE=1 + shift + ;; + --all) + ALL=1 + shift + ;; + -a) + ALL=1 shift ;; *) @@ -152,9 +180,24 @@ while test -n "$1"; do exit "$STATE_UNKNOWN" ;; esac - shift done +# Parameter sanity check +if [ $ERE ] && [ $PRE ] ; then + echo "Can not use extended and perl regex at the same time" + exit "$STATE_UNKNOWN" +fi + +GREP="grep" + +if [ $ERE ]; then + GREP="grep -E" +fi + +if [ $PRE ]; then + GREP="grep -P" +fi + # If the source log file doesn't exist, exit if [ ! -e "$logfile" ]; then @@ -180,9 +223,10 @@ fi # The temporary file that the script should use while # processing the log file. if [ -x /bin/mktemp ]; then - tempdiff=$(/bin/mktemp /tmp/check_log.XXXXXXXXXX) + + tempdiff=$(/bin/mktemp /tmp/check_log.XXXXXXXXXX) else - tempdiff=$(/bin/date '+%H%M%S') + tempdiff=$(/bin/date '+%H%M%S') tempdiff="/tmp/check_log.${tempdiff}" touch "$tempdiff" chmod 600 "$tempdiff" @@ -190,11 +234,21 @@ fi diff "$logfile" "$oldlog" | grep -v "^>" > "$tempdiff" -# Count the number of matching log entries we have -count=$(grep -c "$query" "$tempdiff") -# Get the last matching entry in the diff file -lastentry=$(grep "$query" "$tempdiff" | tail -1) +if [ $ALL ]; then + # Get the last matching entry in the diff file + entry=$($GREP "$query" "$tempdiff") + + # Count the number of matching log entries we have + count=$(echo "$entry" | wc -l) + +else + # Count the number of matching log entries we have + count=$($GREP -c "$query" "$tempdiff") + + # Get the last matching entry in the diff file + entry=$($GREP "$query" "$tempdiff" | tail -1) +fi rm -f "$tempdiff" cat "$logfile" > "$oldlog" @@ -203,7 +257,7 @@ if [ "$count" = "0" ]; then # no matches, exit with no error echo "Log check ok - 0 pattern matches found" exitstatus=$STATE_OK else # Print total matche count and the last entry we found - echo "($count) $lastentry" + echo "($count) $entry" exitstatus=$STATE_CRITICAL fi |