diff options
Diffstat (limited to 'add-syslog')
| -rwxr-xr-x | add-syslog | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/add-syslog b/add-syslog new file mode 100755 index 0000000..9f1a7e1 --- /dev/null +++ b/add-syslog @@ -0,0 +1,234 @@ +#!/bin/sh +#--------------------------------------------------------------- +# Project : Mandriva Linux +# Module : rpm-helper +# File : add-syslog +# Version : 1 +# Author : Herton Ronaldo Krzesinski +# Created On : Tue Jul 19 23:24:48 2005 +# Modified On : Sat Jul 30 22:25:00 2005 +# Purpose : helper script for rpm scriptlets to add a +# entry filter for software from package into +# syslog (supported sysklogd and syslog-ng). +#--------------------------------------------------------------- + +if [ $# -lt 6 ]; then + echo "usage: $0 <pkg name> <num installed> <source> <facility> <level_begin> <level_end> <log file>" 1>&2 + exit 1 +fi + +priority_order="debug info notice warn,warning err,error crit alert emerg,panic" + +# check range of level priority, example, an level mail.notice in +# syslog.conf will filter and log notice or greater level of messages +not_existing_entry() { + if [ "$3" = "*" -o "$4" = "*" ]; then + if sed "s/#.*$//g" /etc/syslog.conf | grep "$1" | grep -q "$2\.\*" || + sed "s/#.*$//g" /etc/syslog.conf | grep "$1" | grep -q "$2\.=\*"; then + return 1 + fi + lvl_start=`echo $priority_order | cut -d " " -f 1 | sed "s:,.*::"` + num_levels=`echo $priority_order | wc -w` + lvl_end=`echo $priority_order | cut -d " " -f $num_levels | sed "s:,.*::"` + else + lvl_start=$3 + lvl_end=$4 + fi + local begin=0 + for x in $priority_order; do + if [[ "$begin" -eq 0 ]] && ! echo $x | grep -q "$lvl_start"; then + continue + fi + begin=1 + x=`echo $x | sed "s:,: :g"` + for y in $x; do + if sed "s/#.*$//g" /etc/syslog.conf | grep "$1" | grep -q "$2\.$y"; then + return 1 + fi + if sed "s/#.*$//g" /etc/syslog.conf | grep "$1" | grep -q "$2\.=$y"; then + return 1 + fi + done + if echo $x | grep -q "$lvl_end"; then + return 0 + fi + done +} + +add_blank_line() { + [ -n "`tail -n 1 $1`" ] && echo >> $1 || : +} + +pkg=$1 # name of the package +num=$2 # number of packages installed +source=$3 # from where the log will come (log stream) + # NOTE: source must be a unix-stream +facility=$4 # subclass of log source, like kern, mail... +level_begin=$5 # log level, eg.: info, notice, critical... +level_end=$6 # if in a range, you especify level_end + # like when you log from level debug + # untill notice. if not in a range + # you must specify level_end the same as + # level_begin or leave level_end empty +logfile=$7 # log file, like /var/log/messages + +# Don't readd entry on package updates +if [ "$num" -ne 1 ]; then + return 0 +fi + +# just ignore if it's default unix domain socket +[ "$source" = "/dev/log" ] && source="" || : + +# if we only have level_end, assume that level_begin is the lowest +# priority level order +if [ -z "$level_begin" -a -n "$level_end" ]; then + level_begin=`echo $priority_order | cut -d " " -f 1 | sed "s:,.*::"` +fi + +# Do not use deprecated level names, set also label for syslog-ng levels +for loglevel in $priority_order; do + if echo $loglevel | grep -q "$level_begin"; then + level_begin=`echo $loglevel | sed s:,.*::` + break + fi +done +if [ -n "$level_end" ]; then + for loglevel in $priority_order; do + if echo $loglevel | grep -q "$level_end"; then + level_end=`echo $loglevel | sed s:,.*::` + break + fi + done + level_label=${level_begin}_${level_end} +else + level_label=$level_begin +fi + +# Wildcards on begin or end means we want levels until a limit on either side +# Just use wildcard if range of levels contains all levels +if [ "$level_begin" = "debug" -a "$level_end" = "*" -o "$level_begin" = "*" -a "$level_end" = "emerg" ]; then + level_begin="*" + level_end="*" +elif [ "$level_begin" = "*" -a "$level_end" != "*" ]; then + level_begin="debug" +elif [ "$level_begin" != "*" -a "$level_end" = "*" ]; then + level_end="emerg" +elif [ "$level_begin" = "debug" -a "$level_end" = "emerg" ]; then + level_begin="*" + level_end="*" +fi + +# sysklogd handler +if [ -f /etc/syslog.conf ]; then + if [[ -n "$source" ]] && ! grep -q "$source" /etc/sysconfig/syslog; then + . /etc/sysconfig/syslog + SYSLOGD_OPTIONS="$SYSLOGD_OPTIONS -a $source" + sed -i -e :a -e \ + "s:SYSLOGD_OPTIONS=\"[^\"]*\":SYSLOGD_OPTIONS=\"$SYSLOGD_OPTIONS\":g;/SYSLOGD_OPTIONS/N;//ba" \ + /etc/sysconfig/syslog + fi + # we first verify if there isn't already a log entry for the + # logfile/facility/level provided, and then add the entry to + # syslog.conf. Note that we must always remove comments, + # otherwise commented lines are interpreted as active + if not_existing_entry "$logfile" "$facility" "$level_begin" "$level_end"; then + add_blank_line /etc/syslog.conf + if [ "$level_begin" = "*" -a "$level_end" = "*" ]; then + echo -e "$facility.*\t\t\t\t\t\t\t$logfile" >> /etc/syslog.conf + elif [ -n "$level_begin" -a -n "$level_end" -a "$level_begin" != "$level_end" -a "$level_end" = "emerg" ]; then + echo -e "$facility.$level_begin\t\t\t\t\t\t\t$logfile" >> /etc/syslog.conf + elif [ -n "$level_begin" -a -n "$level_end" -a "$level_begin" != "$level_end" ]; then + count=0 + for loglevel in $priority_order; do + if [[ "$count" -eq 0 ]] && ! echo "$loglevel" | grep -q "$level_begin"; then + continue + fi + let count=count+1 + current_level=`echo $loglevel | sed "s:,.*::"` + if ! echo "$loglevel" | grep -q "$level_end"; then + echo -n "$facility.=$current_level;" >> /etc/syslog.conf + else + echo -n "$facility.=$current_level " >> /etc/syslog.conf + break + fi + done + let count=8-count + while [ "$count" -gt 0 ]; do + echo -ne "\t" >> /etc/syslog.conf + let count=count-1 + done + echo -n "$logfile" >> /etc/syslog.conf + elif [ -n "$level_begin" ]; then + echo -e "$facility.=$level_begin\t\t\t\t\t\t\t$logfile" >> /etc/syslog.conf + fi + fi +fi + +# syslog-ng handler +if [ -f /etc/syslog-ng.conf ]; then + config=`sed "s/#.*$//g" /etc/syslog-ng.conf` + add_blank_line /etc/syslog-ng.conf + if ! sed "s/#.*$//g" /etc/syslog-ng.conf | grep -q "$source"; then + if [ -n "$facility" -o -n "$level_begin" -a -n "$logfile" ]; then + echo "source $pkg { unix-stream (\"$source\"); };" >> /etc/syslog-ng.conf + from=$pkg + else + from=`echo $config | sed -n "s:\(.*source[[:space:]]\+\)\([[:alnum:]]\+\)\(.*/dev/log.*\):\2:p"` + fi + else + from=`echo $config | sed -n "s:\(.*source[[:space:]]\+\)\([[:alnum:]]\+\)\(.*$source.*\):\2:p"` + fi + if [ -n "$facility" -o -n "$level_begin" -a -n "$logfile" ]; then + if ! sed "s/#.*$//g" /etc/syslog-ng.conf | grep -q "$logfile"; then + echo "destination ${pkg}_${level_label} { file(\"$logfile\"); };" >> /etc/syslog-ng.conf + dest=${pkg}_${level_label} + else + dest=`echo $config | sed -n "s:\(.*destination[[:space:]]\+\)\([[:alnum:]]\+\)\(.*$logfile.*\):\2:p"` + fi + + if [ -n "$level_begin" -a -n "$level_end" -a "$level_begin" != "$level_end" ]; then + level_str="$level_begin..$level_end" + elif [ "$level_begin" = "*" -a "$level_end" = "*" ]; then + level_str="debug..emerg" + elif [ -n "$level_begin" ]; then + level_str="$level_begin" + fi + if ! sed "s/#.*$//g" /etc/syslog-ng.conf | grep "$facility" | grep -q filter; then + echo "filter f_${pkg}_${level_label} { facility($facility) and level($level_str); };" >> /etc/syslog-ng.conf + filter=f_${pkg}_${level_label} + else + filter=`echo $config | sed -n "s:\(.*filter[[:space:]]\+\)\([[:alnum:]]\+\)\(.*$facility.*\):\2:p"` + curfilt=`echo $config | sed -n "s:\(.*\)\(filter[[:space:]]\+$filter[^}]*};\)\(.*\):\2:gp"` + has_level=0 + levels=`echo $priority_order | sed -n "s:\($level_begin.*\):\1:p"` + levels=`echo $levels | sed -n "s:\(.*$level_end\):\1:p"` + for log_level in $levels; do + if echo $curfilt | grep -q "$log_level"; then + has_level=1 + break + fi + done + if [ "$has_level" -eq 0 ]; then + echo "filter f_${pkg}_${level_label} { facility($facility) and level($level_str); };" >> /etc/syslog-ng.conf + filter=f_${pkg}_${level_label} + fi + fi + if [ -n "$from" -a -n "$dest" -a -n "$filter" ]; then + if ! sed "s/#.*$//g" /etc/syslog-ng.conf | grep "$from" \ + | grep "$dest" | grep "$filter" | grep -q "^[[:space:]]*log"; then + echo "log { source($from); filter($filter); destination($dest); };" \ + >> /etc/syslog-ng.conf + fi + fi + elif [ -n "$source" ]; then + from=`echo $config | sed -n "s:\(.*source[[:space:]]\+\)\([[:alnum:]]\+\)\(.*/dev/log.*\):\2:p"` + if [ -n "$from" ]; then + sed -i -e :a -e \ + "s:\(source[[:space:]]\+$from[[:space:]]*{[^}]*\)\(}[[:space:]]*\);:\1 unix-stream (\"$source\"); };:g;/source/N;//ba" \ + /etc/syslog-ng.conf + fi + fi +fi + +exit 0 |