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#!/usr/bin/perl -w |
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# -*- perl -*- |
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|
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# Generate overview-[Daily|Monthly|Weekly|Yearly].html files |
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# with links to latest graphs produced by cricket |
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# |
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# Maintained by Dobrica Pavlinusic <dpavlin@rot13.org> |
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# |
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# Based on generate-statics.franky from |
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# Copyright (C) 1999 Noam Freedman <noam@noam.com> |
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# |
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# |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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|
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# Target can be skipped in overview report with skip-overview |
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|
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BEGIN { |
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# $gInstallRoot = (($0 =~ m:^(.*/):)[0] || "./") . "."; |
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require '/etc/cricket/cricket-conf.pl'; |
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|
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# You need to update this to point to the URL |
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# you use to access Cricket. |
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# $gBaseURL = "http://localhost/~cricket/grapher.cgi"; |
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my $hostname = `hostname -f`; |
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chomp($hostname); |
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$gBaseURL = "http://$hostname/cgi-bin/cricket/grapher.cgi"; |
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|
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# change this to destination directory |
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$path = "/data/mon/"; |
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} |
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|
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#use lib "$gInstallRoot/../lib"; |
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use lib "$Common::global::gInstallRoot/lib"; |
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|
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use File::Basename; |
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use LWP::UserAgent; |
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use HTTP::Request; |
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use HTTP::Response; |
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|
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use ConfigTree::Cache; |
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|
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use Common::HandleTarget; |
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use Common::Map; |
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use Common::Options; |
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use Common::Log; |
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|
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Common::Options::commonOptions( 'baseURL=s' => \$gBaseURL ); |
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initConst(); |
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|
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$Common::global::gCT = new ConfigTree::Cache; |
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$gCT = $Common::global::gCT; |
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$gCT->Base($Common::global::gConfigRoot); |
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$gCT->Warn(\&Warn); |
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|
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if (! $Common::global::gCT->init()) { |
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Die("Failed to open compiled config tree from " . |
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"$Common::global::gConfigRoot/config.db: $!"); |
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} |
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|
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# if they gave us no subtrees to focus on, use the root of the config tree |
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if ($#ARGV+1 == 0) { |
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push @ARGV, '/'; |
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} |
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|
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my %html; # this will store created html |
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|
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my($subtree); |
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foreach $subtree (@ARGV) { |
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if ($gCT->nodeExists($subtree)) { |
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$gCT->visitLeafs($subtree, \&handleTarget, |
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\&handleTargetInstance, \&localHandleTargetInstance); |
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} else { |
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Warn("Unknown subtree $subtree."); |
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} |
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} |
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|
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my %html_file; |
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|
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foreach my $item (sort keys %html) { |
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my ($range,$target) = split(/\t/,$item,2); |
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my (undef,$service,$arg) = split(/\//,$target,3); |
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|
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$html_file{"$range/$service"} .= $html{$item}; |
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$html_file{"overview-$range"} .= $html{$item}; |
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} |
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|
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foreach my $key (keys %html_file) { |
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|
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my $filename = "$path/$key.html"; |
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my($dir) = dirname($filename); |
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if (! -d $dir) { |
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Info("Making directory $dir to hold file $filename."); |
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Common::Util::MkDir($dir); |
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} |
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Info("Dumping HTML for $key to $filename."); |
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open(OUT,"> $filename") || die "can't open output html '$filename': $!"; |
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print OUT "<html><head><title>$key</title></head><body>"; |
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print OUT $html_file{$key}; |
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print OUT "</body></html>"; |
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close(OUT); |
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|
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} |
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|
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exit; |
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|
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sub localHandleTargetInstance { |
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my($Name, $target) = @_; |
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|
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$targetpath = $target->{'auto-target-path'}; |
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$targetname = $target->{'auto-target-name'}; |
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|
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if (! defined($target->{'skip-overview'})) |
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{ |
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Info("Working on target $targetname."); |
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my($reqRanges,@ranges); |
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|
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$reqRanges = $target->{'static-ranges'}; |
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|
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# if (defined($target->{'static-path'}) && |
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# defined($target->{'static-name'})) |
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# { |
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# $path = $target->{'static-path'}; |
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# $name = $target->{'static-name'}; |
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|
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if (1) { |
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|
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my($range, @ranges); |
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@ranges = getRanges($reqRanges); |
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|
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foreach $range (@ranges) |
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{ |
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$rangeLabel = rangeToLabel($range); |
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|
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my($paramtarget) = "$targetpath/$targetname"; |
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|
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my($paraminst); |
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|
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if (defined($target->{'inst'})) |
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{ |
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$paraminst = $target->{'inst'}; |
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} |
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|
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my($paramrange) = $range; |
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|
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# DO DSLIST STUFF |
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|
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# find the ds names based on the target type |
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my($ttype) = lc($target->{'target-type'}); |
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my($ttRef) = $main::gCT->configHash($Name, 'targettype', $ttype, $target); |
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|
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# If there are views defined, then we generate graphs |
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# for each view. |
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|
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my($dslist); |
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|
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if (defined($ttRef->{'view'})) |
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{ |
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my($v); |
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foreach $v (split(/\s*,\s*/, $ttRef->{'view'})) |
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{ |
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# views are like this: "cpu: cpu1load cpu5load" |
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my($vname, $dss) = split(/\s*:\s*/, $v, 2); |
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|
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$dslist = $dss; |
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$dslist =~ s/\s*$//; |
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$dslist =~ s/\s+/,/g; |
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|
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$URL = "$gBaseURL?type=png&target=$paramtarget"; |
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$URL .= "&dslist=$dslist&range=$paramrange"; |
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my $desc = "$paramtarget $vname"; |
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$desc .= " <b>".$target->{'short-desc'}."</b>" if (defined $target->{'short-desc'}); |
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if ($paraminst ne "") { |
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$URL .= "&inst=$paraminst"; |
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} |
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Info("Retrieving graph for $desc"); |
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# getURL($URL,"$path/$name-$vname-$rangeLabel.png"); |
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$tmp_URL = "$gBaseURL?target=$paramtarget&range=d:w:m:y&view=$vname"; |
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$html{"$rangeLabel\t$paramtarget"}.="$desc<br><a href=\"$tmp_URL\"><img src=$URL></a><br>\n"; |
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} |
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} else { |
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$dslist = $ttRef->{'ds'}; |
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# squeeze out any extra spaces |
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$dslist = join(',', split(/\s*,\s*/, $dslist)); |
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|
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$URL = "$gBaseURL?type=png&target=$paramtarget"; |
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$URL .= "&dslist=$dslist&range=$paramrange"; |
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my $desc ="$paraminst $rangeLabel"; |
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$desc .= " <b>".$target->{'short-desc'}."</b>" if (defined $target->{'short-desc'}); |
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if ($paraminst ne "") { |
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$URL .= "&inst=$paraminst"; |
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} |
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Info("Retrieving graph for $desc"); |
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|
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# getURL($URL,"$path/$name-$rangeLabel.png"); |
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$tmp_URL = "$gBaseURL?target=$paramtarget&range=d:w:m:y"; |
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$html{"$rangeLabel\t$paramtarget"}.="$desc:<br><a href=\"$tmp_URL\"><img src=$URL><a/><br>"; |
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} |
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} |
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} |
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} |
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|
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return; |
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} |
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|
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|
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sub getRanges { |
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my($scales) = @_; |
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$scales = "d:w:m:y" unless (defined($scales)); |
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|
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# these definitions mirror how MRTG 2.5 sets up its graphs |
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my(%scaleMap) = ( 'd' => $main::kHour * 42, |
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'w' => $main::kDay * 10, |
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'm' => $main::kWeek * 6, |
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'y' => $main::kMonth * 16); |
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|
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my($scale, @res); |
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foreach $scale (split(/\s*:\s*/, $scales)) { |
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# later, we might do more sophisticated scale specification |
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$scale = $scaleMap{$scale}; |
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push @res, $scale; |
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} |
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return @res; |
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} |
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|
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|
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sub initConst { |
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$main::kMinute = 60; # 60 seconds/min |
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$main::kHour = 60 * $main::kMinute;# 60 minutes/hr |
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$main::kDay = 24 * $main::kHour; # 24 hrs/day |
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$main::kWeek = 7 * $main::kDay; # 7 days/week |
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$main::kMonth = 30 * $main::kDay; # 30 days/month |
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$main::kYear = 365 * $main::kDay; # 365 days/year |
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|
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$main::kTypeUnknown = 0; |
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$main::kTypeUnknown = 0; # shut up, -w. |
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$main::kTypeDaily = 1; |
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$main::kTypeWeekly = 2; |
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$main::kTypeMonthly = 3; |
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$main::kTypeYearly = 4; |
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|
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@main::gRangeNameMap = ( undef, 'Daily', 'Weekly', 'Monthly', 'Yearly' ); |
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|
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} |
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|
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sub rangeToLabel { |
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my($range) = @_; |
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return $main::gRangeNameMap[rangeType($range)]; |
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} |
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|
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sub rangeType { |
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my($range) = @_; |
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my($rangeHours) = $range / 3600; |
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|
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# question: when is kTypeUnknown appropriate? |
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|
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if ($range < $main::kWeek) { |
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return $main::kTypeDaily; |
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} elsif ($range < $main::kMonth) { |
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return $main::kTypeWeekly; |
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} elsif ($range < $main::kYear) { |
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return $main::kTypeMonthly; |
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} else { |
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return $main::kTypeYearly; |
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} |
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} |
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|
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|
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sub getURL |
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{ |
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my($url,$filename) = @_; |
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|
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Debug("Fetching url: $url"); |
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|
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my $ua = new LWP::UserAgent; |
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my $request = new HTTP::Request('GET', $url); |
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my $response = $ua->request($request); |
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|
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if ($response->is_success) { |
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my($dir) = dirname($filename); |
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if (! -d $dir) { |
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Info("Making directory $dir to hold file $filename."); |
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Common::Util::MkDir($dir); |
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} |
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|
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if (!open(URL,">$filename")) |
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{ |
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Error("Error writing to $filename: $!"); |
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return; |
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} |
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print URL $response->content; |
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close(URL); |
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} |
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else |
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{ |
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Error("Error retrieving target graph: " . $response->message()); |
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} |
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} |
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