source: trunk/scripts/munin/web/all-usage.cgi @ 2869

Last change on this file since 2869 was 2059, checked in by quentin, 15 years ago

Sort the UUIDs so that dom0 appears first

  • Property svn:executable set to *
File size: 2.4 KB
Line 
1#!/usr/bin/perl -wT
2
3use diagnostics;
4use constant GRAPH_DIR => "/var/lib/munin/xvm-prod-hosts.mit.edu";
5use CGI;
6use CGI::Carp qw(fatalsToBrowser);
7use RRDs;
8use File::Spec::Functions;
9
10our %graph_types = (cpu => "xen_cpu");
11our %formats = qw(svg image/svg+xml png image/png eps application/postscript pdf application/pdf);
12
13my @args = (qw(
14--font LEGEND:7:/usr/share/munin/VeraMono.ttf
15--font UNIT:7:/usr/share/munin/VeraMono.ttf
16--font AXIS:7:/usr/share/munin/VeraMono.ttf
17-
18--title), "Domain CPU usage", qw(
19--base 1000
20-r
21--lower-limit 0
22--vertical-label %
23--height 600
24--width 800
25--units-exponent 0));
26
27my $q = new CGI;
28
29my $format = $q->param("format") || "png";
30my $mime_type;
31if (exists($formats{$format})) {
32    $format =~ m|^(\w+)$| or die "Invalid format";
33    $format = $1;
34    $mime_type = $formats{$format};
35} else {
36    die "Invalid format";
37}
38
39push @args, "--imgformat", uc($format);
40
41my $days = $q->param("days") || "8";
42$days =~ m|^(\d+)$| or die "Invalid number of days specified";
43$days = int($1);
44
45my $type = $q->param("type") || "cpu";
46$type =~ m|^(\w+)$| or die "Invalid graph type";
47$type = $graph_types{$1} or die "Invalid graph type";
48
49my $path = catfile(GRAPH_DIR, "*-$type-????????_????_????_????_????????????-?.rrd");
50my @files = glob $path or die "No data found";
51
52push @args, "--start", "-".$days."d";
53
54my %uuids = map { m|(........_...._...._...._............)-.\.rrd$|; $1, 1 } @files;
55
56# Color list shamelessly stolen from munin-graph
57my @COLOUR = ("#22ff22", "#0022ff", "#ff0000", "#00aaaa", "#ff00ff",
58              "#ffa500", "#cc0000", "#0000cc", "#0080C0", "#8080C0", "#FF0080",
59              "#800080", "#688e23", "#408080", "#808000", "#000000", "#00FF00",
60              "#0080FF", "#FF8000", "#800000", "#FB31FB");
61my $color_index = 0;
62
63foreach my $uuid (sort keys %uuids) {
64  my @uuid_files = grep { m|$uuid-.\.rrd$| } @files;
65  foreach my $i (0..$#uuid_files) {
66    $uuid_files[$i] =~ m|^([^:]+)$|;
67    push @args, "DEF:odata_${uuid}_$i=$1:42:AVERAGE";
68    push @args, "CDEF:data_${uuid}_$i=odata_${uuid}_$i,UN,0,odata_${uuid}_$i,IF,10000,/";
69  }
70  push @args, "CDEF:total_${uuid}=0,".join(",+,", map {"data_${uuid}_$_"} 0..$#uuid_files).",+";
71  push @args, "AREA:total_${uuid}".$COLOUR[($color_index++)%@COLOUR]."::STACK";
72  # print STDERR "VM $uuid: @uuid_files\n";
73}
74
75$ENV{"PATH"} = "/usr/local/bin:/usr/bin:/bin";
76
77print $q->header(-type=>$mime_type);
78$|=1;
79
80{
81    use Data::Dumper;
82    print STDERR "XVM usage: ", Dumper(\@args);
83}
84RRDs::graph (@args);
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