| 1 | #!/usr/bin/perl -w #-d
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| 2 | #
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| 3 | # sar/iostat graphing tool based on rrdtool
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| 4 | # (c) 2004 B. Cornec HP <bruno.cornec@hp.com>
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| 5 | # Licensed under the GPL or Artistic License
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| 6 | #
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| 7 | # Original Charter: Monitor CPU/Load/Net_eth0|2 (io/s)/Disk (io/s)
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| 8 | # 1 mesure par 20 seconde
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| 9 | # So the script has been developped first with that context in mind
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| 10 | # trying to be generic enough to be expandable later on
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| 11 | # More work needs to be done, some code factorized, ...
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| 12 | #
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| 13 | use strict; # Always :-)
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| 14 | use RRDs; # for data management and graphing
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| 15 | use Data::Dumper; # for debug
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| 16 | use HTML::AsSubs; # for HTML generation
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| 17 | use Storable; # for data exchange
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| 18 | use Date::Manip; # for timestamp
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| 19 | use Config::Auto; # for config file
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| 20 | use sario2rrd qw(from_epoch);
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| 21 | # local common functions
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| 22 |
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| 23 |
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| 24 | # Avoid localisation problems in sar
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| 25 | $ENV{LANG}="C";
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| 26 |
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| 27 | #
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| 28 | # Begin of configuration options
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| 29 | #
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| 30 | my $dir = "sar2rrd"; # Place under the html dir of user apache
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| 31 | # Under that directory you should have one
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| 32 | # directory per machine and in it all the
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| 33 | # files resulting form the sar and iostat
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| 34 | # commands (saxx and ioxx). Look at the
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| 35 | # cron file and related script
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| 36 |
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| 37 | my ($l,$p,$uid,$gid,$q,$c,$gc,$apache,$empty) = getpwnam("apache") or die "apache not in passwd file";
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| 38 | my $base = "$apache/html/$dir";
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| 39 | my $config = Config::Auto::parse("$base/$dir.conf");
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| 40 | my @machines = @{$config->{machines}};
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| 41 |
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| 42 | my $debug = 0;
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| 43 | foreach my $a (@ARGV) {
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| 44 | $debug++ if ($a =~ /-v/);
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| 45 | $| = 1; # Flush STDOUT
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| 46 | }
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| 47 | my $m;
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| 48 | my %t;
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| 49 | my %attrio = %{ retrieve("$base/$config->{svgio}") };
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| 50 | my %attrsar = %{ retrieve("$base/$config->{svgsar}") };
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| 51 |
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| 52 | my $h = "$base/index.html";
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| 53 | open (MAIN, "> $h") || die "Unable to create $h : $!";
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| 54 | my @hm = (h1("sar2rrd - sar/iostats monitoring via rrdtool"),
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| 55 | p("List of systems to monitor:"));
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| 56 | my @index;
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| 57 | my @tmp1;
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| 58 | my @tmp2;
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| 59 |
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| 60 | print Dumper($config) if ($debug > 1);
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| 61 |
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| 62 | foreach $m (@machines) {
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| 63 | @tmp1 = ();
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| 64 | @tmp2 = ();
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| 65 | #
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| 66 | # The graphs/HTML generation
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| 67 | #
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| 68 | push @index,li(a({href=>"$m/index.html"}, "$m"));
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| 69 | my $hm = "$base/$m/index.html";
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| 70 | open (MACHINE, "> $hm") || die "Unable to create $hm : $!";
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| 71 | my @hhm = (h1("sar2rrd - Monitoring $m"));
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| 72 | my $img="$base/$m/img";
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| 73 | print "Graphing rrd base for $m under $img\n" if ($debug > 0);
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| 74 | printf "Between %s/%s and %s/%s for sar\n",from_epoch($attrsar{$m}{mintmst}),$attrsar{$m}{mintmst},ParseDate("epoch $attrsar{$m}{maxtmst}"),$attrsar{$m}{maxtmst} if ($debug > 0);
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| 75 | printf "Between %s (%s) and %s (%s) for iostat\n",ParseDate("epoch $attrio{$m}{mintmst}"),$attrio{$m}{mintmst},ParseDate("epoch $attrio{$m}{maxtmst}"),$attrio{$m}{maxtmst} if ($debug > 0);
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| 76 | print "Generating " if ($debug > 0);
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| 77 | mkdir "$img",0755 if (not (-d "$img"));
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| 78 | unlink <$img/*.png>;
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| 79 | print "mem.png " if ($debug > 0);
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| 80 | RRDs::graph("$img/mem.png","-s $attrsar{$m}{mintmst}","-e $attrsar{$m}{maxtmst}","-L KB","-v KiloBytes","-aPNG","-t Memory Report","DEF:s1=$base/$m/$config->{rrdsar}:memoryfree:AVERAGE","AREA:s1#00ee22:Free Memory");
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| 81 | my $rrderror = RRDs::error;
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| 82 | die "Problem while generating graph: $rrderror\n" if ($rrderror);
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| 83 | print "load.png " if ($debug > 0);
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| 84 | RRDs::graph("$img/load.png","-s",$attrsar{$m}{mintmst},"-e",$attrsar{$m}{maxtmst},"-S",$config->{step},"-aPNG","-t","Load Report","DEF:s1=$base/$m/$config->{rrdsar}:load1:AVERAGE","DEF:s2=$base/$m/$config->{rrdsar}:load5:AVERAGE","DEF:s3=$base/$m/$config->{rrdsar}:runq:AVERAGE","LINE2:s1#00b6e4:Load 1m","LINE2:s2#00ee22:Load 5m","LINE2:s3#ff0000:Run Queue");
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| 85 | $rrderror = RRDs::error;
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| 86 | die "Problem while generating graph: $rrderror\n" if ($rrderror);
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| 87 | push @tmp1,td(img({src=>"$config->{http}/$dir/$m/img/mem.png"}));
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| 88 | push @tmp1,td(img({src=>"$config->{http}/$dir/$m/img/load.png"}));
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| 89 | push @tmp1,HTML::AsSubs::tr(@tmp1);
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| 90 |
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| 91 | my $col = 0;
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| 92 | foreach my $i (@{$attrsar{$m}{measures}},@{$attrio{$m}{measures}}) {
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| 93 | if ($i =~ /^eth/) {
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| 94 | $i =~ s/-[inout]+//;
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| 95 | next if (-f "$img/$i.png");
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| 96 | print "$i.png " if ($debug > 0);
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| 97 | RRDs::graph("$img/$i.png","-s",$attrsar{$m}{mintmst},"-e",$attrsar{$m}{maxtmst},"-S",$config->{step},"-aPNG","-t","Network Report","DEF:s1=$base/$m/$config->{rrdsar}:$i-in:AVERAGE","DEF:s2=$base/$m/$config->{rrdsar}:$i-out:AVERAGE","LINE2:s1#ff0000:$i (in)","LINE2:s2#00ee22:$i (out)");
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| 98 | push @tmp2,td(img({src=>"$config->{http}/$dir/$m/img/$i.png"}));
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| 99 | $col++;
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| 100 | if ($col == 2) {
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| 101 | push @tmp1,HTML::AsSubs::tr(@tmp2);
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| 102 | @tmp2 = ();
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| 103 | $col = 0;
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| 104 | }
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| 105 |
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| 106 | }
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| 107 | if (($i =~ /^sd/) || ($i =~ /^hd/) || ($i =~ /^cciss/)) {
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| 108 | $i =~ s/-[inout]+//;
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| 109 | next if (-f "$img/$i.png");
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| 110 | print "$i.png " if ($debug > 0);
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| 111 | RRDs::graph("$img/$i.png","-s",$attrio{$m}{mintmst},"-e",$attrio{$m}{maxtmst},"-S",$config->{step},"-aPNG","-t","Disk Report","DEF:s1=$base/$m/$config->{rrdio}:$i-in:AVERAGE","DEF:s2=$base/$m/$config->{rrdio}:$i-out:AVERAGE","LINE2:s1#ff0000:$i (in)","LINE2:s2#00ee22:$i (out)");
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| 112 | push @tmp2,td(img({src=>"$config->{http}/$dir/$m/img/$i.png"}));
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| 113 | $col++;
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| 114 | if ($col == 2) {
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| 115 | push @tmp1,HTML::AsSubs::tr(@tmp2);
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| 116 | @tmp2 = ();
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| 117 | $col = 0;
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| 118 | }
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| 119 | }
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| 120 | if (($i =~ /^cpu/) || ($i =~ /^all/)) {
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| 121 | $i =~ s/-[a-z]+//;
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| 122 | next if (-f "$img/$i.png");
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| 123 | print "$i.png " if ($debug > 0);
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| 124 | RRDs::graph("$img/$i.png","-s",$attrsar{$m}{mintmst},"-e",$attrsar{$m}{maxtmst},"-S",$config->{step},"-aPNG","-t","CPU Report","DEF:s1=$base/$m/$config->{rrdsar}:$i-idle:AVERAGE","DEF:s2=$base/$m/$config->{rrdsar}:$i-nice:AVERAGE","DEF:s3=$base/$m/$config->{rrdsar}:$i-system:AVERAGE","DEF:s4=$base/$m/$config->{rrdsar}:$i-user:AVERAGE","AREA:s1#00b6e4:$i (idle)","STACK:s2#00ee22:$i (nice)","STACK:s3#ff0000:$i (system)","STACK:s4#000000:$i (user)");
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| 125 | push @tmp2,td(img({src=>"$config->{http}/$dir/$m/img/$i.png"}));
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| 126 | $col++;
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| 127 | if ($col == 2) {
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| 128 | push @tmp1,HTML::AsSubs::tr(@tmp2);
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| 129 | @tmp2 = ();
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| 130 | $col = 0;
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| 131 | }
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| 132 | }
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| 133 | }
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| 134 | $rrderror = RRDs::error;
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| 135 | die "Problem while generating graph: $rrderror\n" if ($rrderror);
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| 136 | print "\n" if ($debug > 0);
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| 137 | push @hhm,table(@tmp1);
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| 138 | my $hhm = body(@hhm);
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| 139 | print MACHINE $hhm->as_HTML;
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| 140 | close(MACHINE);
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| 141 | }
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| 142 | push @hm,ul(@index);
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| 143 | my $hm = body(@hm);
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| 144 | print MAIN $hm->as_HTML;
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| 145 | close MAIN;
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| 146 | print "Point your browser to $config->{http}/$dir/index.html\n" if ($debug > 0);
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