Initial revision1.09

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+#!/usr/bin/perl
+
+# $Id: make_combined_log.pl,v 1.1 2001/11/28 05:26:54 helios Exp $
+#
+# make_combined_log.pl
+#
+# Usage: make_combined_log <days> <virtual host>
+#
+# This perl script extracts the httpd access data from a MySQL database
+# and formats it properly for parsing by 3rd-party log analysis tools.
+#
+# The script is intended to be run out by cron.  Its commandline arguments tell
+# it how many days' worth of access records to extract, and which virtual_host
+# you are interested in (because many people log several virthosts to one MySQL
+# db.) This permits you to run it daily, weekly, every 9 days -- whatever you
+# decide.
+#
+# Note: By "days" I mean "chunks of 24 hours prior to the moment this script is
+# run." So if you run it at 4:34 p.m. on the 12th, it will go back through 4:34
+# p.m. on the 11th.
+#
+# Known issues:
+# * Because GET and POST are not discriminated in the MySQL log, we'll just
+#   assume that all requests are GETs.  This should have negligible effect
+#   on any analysis software.  This could be remedied IF you stored the full
+#   HTTP request in your database instead of just the URI, but that's going to
+#   cost you a LOT of space really quickly...
+#
+# * Because this is somewhat of a quick hack it doesn't do the most robust
+#   error checking in the world.  Run it by hand to confirm your usage before
+#   putting it in crontab.
+
+$| = 1;
+
+use DBI;
+
+# Remember, $#ARGV is parameters minus one...
+if ($#ARGV != 1) {
+        die "Incorrect usage, please read the perl source code for correct usage."
+}
+
+$days     = $ARGV[0];
+$virthost = $ARGV[1];
+
+#
+# Set up the proper variables to permit database access
+#
+$serverName = "your.dbmachine.com";
+$serverPort = "3306";
+$serverUser = "someuser";
+$serverPass = "somepass";
+$serverTbl  = "acc_log_tbl";
+$serverDb   = "apache";
+
+#
+# Other constants
+#
+$st_tz = "-0800";
+$dt_tz = "-0700";
+$type = "GET";
+$http = "HTTP/1.1";
+
+$now = time();
+$start = $now - (86400 * $days);
+
+#
+# Connect and fetch the records
+#
+$dbh = DBI->connect("DBI:mysql:database=$serverDb;host=$serverName;port=$serverPort",$serverUser,$serverPass);
+if (not $dbh) {
+        die "Unable to connect to the database.  Please check your connection variables. (Bad password? Incorrect perms?)";
+}
+
+$records = $dbh->prepare("select remote_host,remote_user,request_uri,request_duration,time_stamp,status,bytes_sent,referer,agent from $serverTbl where virtual_host='$virthost' and time_stamp >= $start");
+$records->execute;
+if (not $records) {
+        die "No such table or the select returned no records."
+}
+
+#Right
+#ariston.netcraft.com - - [14/Nov/2001:05:13:39 -0800] "GET / HTTP/1.0" 200 502 "-" "Mozilla/4.08 [en] (Win98; I)"
+#ariston.netcraft.com - - [14/Nov/2001:05:13:39 -0800] "GET / HTTP/1.0" 200 502 "-" "Mozilla/4.08 [en] (Win98; I)"
+
+#Bad
+#ariston.netcraft.com - - [2001-11-14 05:13:39 -0800] "GET / HTTP/1.1" 200 502 "-" "Mozilla/4.08 [en] (Win98; I)"
+#ariston.netcraft.com - - [2001-11-14 05:13:39 -0800] "GET / HTTP/1.1" 200 502 "-" "Mozilla/4.08 [en] (Win98; I)"
+
+
+#
+# Pull out the data row by row and format it
+#
+while (@data = $records->fetchrow_array) {
+        ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime($data[4]);
+        $year=$year+1900;
+
+        # Create format for leading-zero formatting
+        if ($day < 10) { $day = "0$day"; }
+        if ($month < 10) { $month = "0$month"; }        
+        if ($hour < 10) { $hour = "0$hour"; }
+        if ($min < 10) { $min = "0$min"; }
+        if ($sec < 10) { $sec = "0$sec"; }
+        
+        # Convert numeric month to string month
+    for ($mon) {
+                if    (/00/)  { $mon = "Jan";} 
+                elsif (/01/)  { $mon = "Feb";} 
+                elsif (/02/)  { $mon = "Mar";} 
+                elsif (/03/)  { $mon = "Apr";}
+                elsif (/04/)  { $mon = "May";}
+                elsif (/05/)  { $mon = "Jun";}
+                elsif (/06/)  { $mon = "Jul";}
+                elsif (/07/)  { $mon = "Aug";}
+                elsif (/08/)  { $mon = "Sep";}
+                elsif (/09/)  { $mon = "Oct";}
+                elsif (/10/)  { $mon = "Nov";}
+                elsif (/11/)  { $mon = "Dec";}
+    }
+    
+    # Create the output
+        print "$data[0] $data[1] - [$mday/$mon/$year:$hour:$min:$sec ";
+        if ($isdst) {
+                print "$dt_tz\] ";
+        } else {
+                print "$st_tz\] ";
+        }
+        print "\"$type $data[2] $http\" $data[5] $data[6] \"$data[7]\" \"$data[8]\"\n";
+}
+
+#
+# Done
+#
+$records->finish;
+