path: root/localwebresolve

#!/bin/bash
# /usr/local/sbin/localwebresolve: Webstats maintenance script
# Written by Jonas Smedegaard <dr@jones.dk>

# halt on errors (NB! this is a bashism...)
set -e

function usage()    {
    echo "Usage: $(basename $0) <YYYY.MM> [<website> [<website>...]]"
    echo "  If no website is given, all are attempted"
    exit 1
}

function exit1()    {
    echo "Error: $1"
    echo "Exiting..."
    exit 1
}

# automagically configure when run from cron dirs
case $1 in
    ????.??)
    YEARDOTMONTH=$1
    ;;
    *)
    usage
    ;;
esac
shift

ROOT=1
user=www-data
group=www-data

LOGROOT=/var/log/apache
WEBROOT=/var/www

# Options: $1=LOGROOT, $2=WEBROOT, $3=WEBSITE, $4=YEARDOTMONTH
function resolveddir()      { echo $1/$3; }
function webdirs()      { find $1 -type d -mindepth 1 -maxdepth 1 | grep '\.*\.' | sed 's!$1!!'; }
#function logfiles()        { $(ls -r $LOGDIR/*-access*.gz) $(ls -r $LOGDIR/access*.??.gz) $(ls -r $LOGDIR/access*.?.gz) $(ls -r $LOGDIR/access*.?); }
function logcontent()       { for file in $(find $1/$3 -name "$YEARDOTMONTH.??.gz" ! -name '*00.gz' -type f -mindepth 1 -maxdepth 1 -follow | sort); do zcat $file; done; for file in $(find $1/$3 -name "$YEARDOTMONTH.??" ! -name '*00' -type f -mindepth 1 -maxdepth 1 -follow | sort); do cat $file; done; }
function logremove()        { for file in $(find $1/$3 -name "$YEARDOTMONTH.??.gz" ! -name '*00.gz' -type f -mindepth 1 -maxdepth 1 -follow | sort); do rm -f $file; done; for file in $(find $1/$3 -name "$YEARDOTMONTH.??" ! -name '*00' -type f -mindepth 1 -maxdepth 1 -follow | sort); do rm -f $file; done; }

# The above can be overridden
LOCALCONFIG=/etc/local/webresolve.conf
. $LOCALCONFIG || exit1 "Unable to read local config file $LOCALCONFIG"

# variables and functions too boring to be configurable
JDRESOLVE_BIN="/usr/bin/jdresolve"
JDRESOLVE_DB="/var/cache/jdresolve/hosts.db"
#JDRESOLVE_OPTIONS="-r -t 5 --database=$JDRESOLVE_DB --dbfirst --expiredb=48"
# DB access doesn't work currently (no output...)
#JDRESOLVE_OPTIONS="-r --database=$JDRESOLVE_DB --dbfirst --expiredb=48"
JDRESOLVE_OPTIONS="-r"
JDRESOLVE_MERGE_OPTIONS="--mergedb --database=$JDRESOLVE_DB"
LOGRESOLVE_BIN="/usr/sbin/logresolve"

# Webiste/independent checks
test -d $WEBROOT || exit1 "Webroot \"$WEBROOT\" doesn't exist"
test -d $LOGROOT || exit1 "Logroot \"$LOGROOT\" doesn't exist"
if [ -x $JDRESOLVE_BIN ]; then
    touch $JDRESOLVE_DB || exit1 "Couldn't touch JDRESOLVE_DB"
fi

# Resolve logs for websites from stdin or all default sites
WEBSITES=$@
if [ "$WEBSITES" = "" ]; then
    WEBSITES=$(webdirs $LOGROOT $WEBROOT $WEBSITE)
fi

for WEBSITE in $WEBSITES; do
    RESOLVEDDIR=$(resolveddir $LOGROOT $WEBROOT $WEBSITE) || exit1 "Unable to resolve RESOLVEDDIR."
# FIXME test -d $RESOLVEDDIR/.. || exit1 "Directory above RESOLVEDDIR doesn't exist."

    if [ $DEBUG ]; then
        echo "Resolving logfiles $YEARDOTMONTH for $WEBSITE in $RESOLVEDDIR:"
        JDRESOLVE_OPTIONS="$JDRESOLVE_OPTIONS -p"
    else
        JDRESOLVE_OPTIONS="$JDRESOLVE_DB -n"
    fi

    LOGDATA="$RESOLVEDDIR/$YEARDOTMONTH.00"
    [ -e $LOGDATA ] && exit1 "File $LOGDATA exists already."
    [ -e $LOGDATA.gz ] && exit1 "File $LOGDATA exists (compressed) already."
    touch $LOGDATA || exit1 "Couldn't touch LOGDATA files."

    if [ -x $JDRESOLVE_BIN ]; then
        [ $DEBUG ] && echo "$WEBSITE: DNS-resolve new logdata using jdresolve"
# DB access doesn't work currently (no output...)
#       logcontent $LOGROOT $WEBROOT $WEBSITE | $JDRESOLVE_BIN $JDRESOLVE_OPTIONS - >> $LOGDATA
#       jdresolve $JDRESOLVE_MERGE_OPTIONS $LOGDATA
        logcontent $LOGROOT $WEBROOT $WEBSITE | $JDRESOLVE_BIN $JDRESOLVE_OPTIONS - >> $LOGDATA
    elif [ -x $LOGRESOLVE_BIN ]; then
        [ $DEBUG ] && echo "$WEBSITE: DNS-resolve new logdata using logresolve"
        logcontent $LOGROOT $WEBROOT $WEBSITE | $LOGRESOLVE_BIN >> $LOGDATA
    else
        [ $DEBUG ] && echo "$WEBSITE: Merging new logdata without DNS-resolving (no resolver found)"
        logcontent $LOGROOT $WEBROOT $WEBSITE >> $LOGDATA
    fi

    if [ -s $LOGDATA ]; then
        gzip -f9 $LOGDATA
    fi
    logremove $LOGROOT $WEBROOT $WEBSITE
done