91 lines
2 KiB
Bash
91 lines
2 KiB
Bash
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#!/bin/sh
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#
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# generates per minute stats for generic syslog files
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# call it:
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#
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# lograte.sh [OPTIONS] <logfile>
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#
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# or for online monitoring
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#
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# tail -f <logfile> | lograte.sh [OPTIONS]
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#
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# by JPK
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PATH=/usr/local/bin:/bin:/usr/bin
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# default values
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PATTERN=".*"
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MINIMUM=1
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TOPLIST=10
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# show usage
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Usage () {
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{
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echo "Usage: `basename $0` -m <mincount> -t <topcount> -s <filter> <file> <file> ...";
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echo " -m minimum events to display"
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echo " -t how many rankings?"
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echo " -T print rankings only"
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echo " -s filter input through this regexp"
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echo "Example: `basename $0` -m 10 -t 5 -s \"(panic|error)\" /var/log/messages"
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} >&2
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}
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# parse arguments
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while getopts Tt:m:s: o
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do case "$o" in
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s) PATTERN="$OPTARG";;
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m) MINIMUM="$OPTARG";;
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t) TOPLIST="$OPTARG";;
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T) TOPONLY=1;;
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*) Usage;
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exit 1;;
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esac
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done
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shift `expr $OPTIND - 1`
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# a single awk
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awk ' ($0 ~ PATTERN) {
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split($3,TIME,":");
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CURRTIME=$1 " " $2 " " TIME[1] ":" TIME[2];
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if (LASTTIME != CURRTIME) {
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if (COUNT >= MINIMUM) {
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if (!(TOPONLY == 1)) {
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printf ( "%s %7d events, %8.2f per sec\n", LASTTIME, COUNT, ( COUNT / 60 ) );
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};
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for (i=1;i<=TOPLIST;i++) {
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if (COUNT > MAXCOUNT[i]) {
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MAXCOUNT[i+1]=MAXCOUNT[i];
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MAXCOUNT[i]=COUNT;
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MAXTIME[i+1]=MAXTIME[i];
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MAXTIME[i]=LASTTIME;
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break;
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};
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};
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};
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COUNT=1;
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} else {
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COUNT++;
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};
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LASTTIME=CURRTIME;
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}
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END {
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if (CURRTIME != "") {
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if ( (COUNT >= MINIMUM) && (!(TOPONLY == 1)) ) {
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printf ( "%s %7d events, %8.2f per sec\n\n", LASTTIME, COUNT, ( COUNT / 60 ) );
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};
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print "###########";
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printf ("# TOP %3d #\n",TOPLIST);
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print "###########";
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for (i=1;i<=TOPLIST;i++) {
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printf ( "# TOP %3d:\t%s %7d events, %8.2f per sec\n", i, MAXTIME[i], MAXCOUNT[i], ( MAXCOUNT[i] / 60 ) );;
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};
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exit 0;
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} else {
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exit 1;
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};
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}' PATTERN="${PATTERN}" MINIMUM="${MINIMUM}" TOPLIST="${TOPLIST}" TOPONLY="${TOPONLY}" $*
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# set exitcode=1 if no matching lines found
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exit $?
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