From c86dd7de4b6627ff5bccb105bb4c06f6cd70d602 Mon Sep 17 00:00:00 2001
From: "Alan J. Pippin" <ajp@pippins.net>
Date: Mon, 3 Mar 2008 08:02:25 -0700
Subject: [PATCH] Added ability to parse snapshot total log files.

---
 zfs-log-parser | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)

diff --git a/zfs-log-parser b/zfs-log-parser
index 5657725..d43e650 100755
--- a/zfs-log-parser
+++ b/zfs-log-parser
@@ -6,6 +6,7 @@
 
 $logfile=shift(@ARGV);
 $startdate=shift(@ARGV);
+$backup_pool="backups";
 
 sub usage {
     print "Usage: $0 <log file> <date>\n";
@@ -17,6 +18,9 @@ $kilo = 1024;
 $mega = 1024 * 1024;
 $giga = 1024 * 1024 * 1024;
 
+%month2num = ( "Jan" => "01", "Feb" => "02", "Mar" => "03", "Apr" => "04", "May" => "05", "Jun" => "06",
+	       "Jul" => "07", "Aug" => "08", "Sep" => "09", "Oct" => "10", "Nov" => "11", "Dec" => "12");
+
 sub time_to_seconds {
     my ($hour,$minute,$sec) = @_;
     $seconds = ($hour * 60 * 60) + ($minute * 60) + ($sec);
@@ -83,6 +87,59 @@ sub parse_replicate_logfile {
     }
 }
 
+sub parse_snapshot_totals_logfile {
+    %totals=();
+    $in_totals=0;
+    $maxlen=0;
+    $header="";
+    while(<FILE>) {
+	$line = $_;
+	if(($in_totals == 0) && ($line =~ /(\S+)\s+(\S+)\s+(\d+)\s+(\d+):(\d+):(\d+)\s+(\S+)\s+(\S+)/)) {
+	    $dayname=$1; $month=$2; $daynum=$3; $hour=$4; $minute=$5; $sec=$6; $year=$8;
+	    $in_totals = 1;
+	    $month = $month2num{$month};
+	    if($daynum < 10) { $daynum = "0".$daynum; }
+	    $date="$month-$daynum-$year";
+	    if(!defined $dates{$date}) { $header .= $date . " "; }
+	    $dates{$date} = 1;
+	}
+	if(($in_totals == 1) && ($line =~ /^\s+$/)) {
+	    $in_totals = 0;
+	}
+	if(($in_totals == 1) && ($line =~ /(\S+)\s+([\d\.]+)(\w+)\s+(\d+)/)) {
+	    $filesystem = $1; $data = $2; $size = $3; $num_snaps = $4;
+	    if($filesystem =~ /Snapshots/) { next; }
+	    if($filesystem =~ /$backup_pool/) { next; }
+	    if(length($filesystem) > $maxlen) { $maxlen = length($filesystem); }
+	    if($size =~ /K/i) { $data = $data * $kilo; }
+	    if($size =~ /M/i) { $data = $data * $mega; }
+	    if($size =~ /G/i) { $data = $data * $giga; }
+	    chomp($line);
+	    $totals{$filesystem}{$date}{data} = $data;
+	    if($totals{$filesystem}{start_data} == 0) { $totals{$filesystem}{start_data} = $data; }
+	    $totals{$filesystem}{delta} = $data - $totals{$filesystem}{start_data};
+	}
+    }
+    $total_delta=0;
+    printf("%-${maxlen}s %s %s\n","ZFS Filesystem","$header","Net Change");
+    foreach $filesystem (sort keys %totals) {
+	$hashref = $totals{$filesystem};
+	$data="";
+	foreach $date (sort keys %$hashref) {
+	    if($date !~ /(\d+)-(\d+)-(\d+)/) { next; }
+	    $date_data=adjust_data($totals{$filesystem}{$date}{data});
+	    $data .= sprintf("%10s",$date_data). " ";
+	}
+	$data_total=adjust_data($data_total);
+	$total_delta+=$totals{$filesystem}{delta};
+	$delta=adjust_data($totals{$filesystem}{delta});
+	printf("%-${maxlen}s %s %10s\n",$filesystem,$data,$delta);
+    }
+    $data_len=length($data);
+    $total_delta=adjust_data($total_delta);
+    printf("%-${maxlen}s %-${data_len}s %10s\n","Totals:","",$total_delta);
+}
+
 #########
 # MAIN
 #########
@@ -90,5 +147,6 @@ sub parse_replicate_logfile {
 open(FILE,"$logfile") || die "-E- Unable to open $logfile\n";
 
 if($logfile =~ /replicate/) { parse_replicate_logfile(); }
+if($logfile =~ /snapshot-totals/) { parse_snapshot_totals_logfile(); }
 
 close(FILE);
-- 
2.34.1