/[cricket]/generate-overview.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Revision 1.7 - (hide annotations)
Sun May 18 02:08:04 2003 UTC (16 years, 6 months ago) by dpavlin
Branch: MAIN
Changes since 1.6: +3 -1 lines
File MIME type: text/plain
auto-configure hostname using hostname -f

1 dpavlin 1.1 #!/usr/bin/perl -w
2     # -*- perl -*-
3    
4     # Generate overview-[Daily|Monthly|Weekly|Yearly].html files
5     # with links to latest graphs produced by cricket
6     #
7     # Maintained by Dobrica Pavlinusic <dpavlin@rot13.org>
8     #
9     # Based on generate-statics.franky from
10     # Copyright (C) 1999 Noam Freedman <noam@noam.com>
11     #
12     #
13     #
14     # This program is free software; you can redistribute it and/or modify
15     # it under the terms of the GNU General Public License as published by
16     # the Free Software Foundation; either version 2 of the License, or
17     # (at your option) any later version.
18     #
19     # This program is distributed in the hope that it will be useful,
20     # but WITHOUT ANY WARRANTY; without even the implied warranty of
21     # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22     # GNU General Public License for more details.
23     #
24     # You should have received a copy of the GNU General Public License
25     # along with this program; if not, write to the Free Software
26     # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27    
28     # Target can be skipped in overview report with skip-overview
29    
30     BEGIN {
31     # $gInstallRoot = (($0 =~ m:^(.*/):)[0] || "./") . ".";
32     require '/etc/cricket/cricket-conf.pl';
33    
34     # You need to update this to point to the URL
35     # you use to access Cricket.
36     # $gBaseURL = "http://localhost/~cricket/grapher.cgi";
37 dpavlin 1.7 my $hostname = `hostname -f`;
38     chomp($hostname);
39     $gBaseURL = "http://$hostname/cgi-bin/cricket/grapher.cgi";
40 dpavlin 1.1
41     # change this to destination directory
42 dpavlin 1.4 $path = "/data/mon/";
43 dpavlin 1.1 }
44    
45     #use lib "$gInstallRoot/../lib";
46     use lib "$Common::global::gInstallRoot/lib";
47    
48     use File::Basename;
49     use LWP::UserAgent;
50     use HTTP::Request;
51     use HTTP::Response;
52    
53     use ConfigTree::Cache;
54    
55     use Common::HandleTarget;
56     use Common::Map;
57     use Common::Options;
58     use Common::Log;
59    
60     Common::Options::commonOptions( 'baseURL=s' => \$gBaseURL );
61     initConst();
62    
63     $Common::global::gCT = new ConfigTree::Cache;
64     $gCT = $Common::global::gCT;
65     $gCT->Base($Common::global::gConfigRoot);
66     $gCT->Warn(\&Warn);
67    
68     if (! $Common::global::gCT->init()) {
69     Die("Failed to open compiled config tree from " .
70     "$Common::global::gConfigRoot/config.db: $!");
71     }
72    
73     # if they gave us no subtrees to focus on, use the root of the config tree
74     if ($#ARGV+1 == 0) {
75     push @ARGV, '/';
76     }
77    
78     my %html; # this will store created html
79    
80     my($subtree);
81     foreach $subtree (@ARGV) {
82     if ($gCT->nodeExists($subtree)) {
83     $gCT->visitLeafs($subtree, \&handleTarget,
84     \&handleTargetInstance, \&localHandleTargetInstance);
85     } else {
86     Warn("Unknown subtree $subtree.");
87     }
88     }
89    
90 dpavlin 1.5 my %html_file;
91    
92     foreach my $item (sort keys %html) {
93     my ($range,$target) = split(/\t/,$item,2);
94     my (undef,$service,$arg) = split(/\//,$target,3);
95    
96     $html_file{"$range/$service"} .= $html{$item};
97     $html_file{"overview-$range"} .= $html{$item};
98     }
99    
100     foreach my $key (keys %html_file) {
101    
102     my $filename = "$path/$key.html";
103     my($dir) = dirname($filename);
104     if (! -d $dir) {
105     Info("Making directory $dir to hold file $filename.");
106     Common::Util::MkDir($dir);
107     }
108     Info("Dumping HTML for $key to $filename.");
109 dpavlin 1.1 open(OUT,"> $filename") || die "can't open output html '$filename': $!";
110 dpavlin 1.5 print OUT "<html><head><title>$key</title></head><body>";
111     print OUT $html_file{$key};
112     print OUT "</body></html>";
113 dpavlin 1.1 close(OUT);
114 dpavlin 1.5
115 dpavlin 1.1 }
116    
117     exit;
118    
119     sub localHandleTargetInstance {
120     my($Name, $target) = @_;
121    
122     $targetpath = $target->{'auto-target-path'};
123     $targetname = $target->{'auto-target-name'};
124    
125     if (! defined($target->{'skip-overview'}))
126     {
127     Info("Working on target $targetname.");
128     my($reqRanges,@ranges);
129    
130     $reqRanges = $target->{'static-ranges'};
131    
132     # if (defined($target->{'static-path'}) &&
133     # defined($target->{'static-name'}))
134     # {
135     # $path = $target->{'static-path'};
136     # $name = $target->{'static-name'};
137    
138     if (1) {
139    
140     my($range, @ranges);
141     @ranges = getRanges($reqRanges);
142    
143     foreach $range (@ranges)
144     {
145     $rangeLabel = rangeToLabel($range);
146    
147     my($paramtarget) = "$targetpath/$targetname";
148    
149     my($paraminst);
150    
151     if (defined($target->{'inst'}))
152     {
153     $paraminst = $target->{'inst'};
154     }
155    
156     my($paramrange) = $range;
157    
158     # DO DSLIST STUFF
159    
160     # find the ds names based on the target type
161     my($ttype) = lc($target->{'target-type'});
162     my($ttRef) = $main::gCT->configHash($Name, 'targettype', $ttype, $target);
163    
164     # If there are views defined, then we generate graphs
165     # for each view.
166    
167     my($dslist);
168    
169     if (defined($ttRef->{'view'}))
170     {
171     my($v);
172     foreach $v (split(/\s*,\s*/, $ttRef->{'view'}))
173     {
174     # views are like this: "cpu: cpu1load cpu5load"
175     my($vname, $dss) = split(/\s*:\s*/, $v, 2);
176    
177     $dslist = $dss;
178     $dslist =~ s/\s*$//;
179     $dslist =~ s/\s+/,/g;
180    
181     $URL = "$gBaseURL?type=png&target=$paramtarget";
182     $URL .= "&dslist=$dslist&range=$paramrange";
183 dpavlin 1.5 my $desc = "$paramtarget $vname";
184 dpavlin 1.6 $desc .= " <b>".$target->{'short-desc'}."</b>" if (defined $target->{'short-desc'});
185 dpavlin 1.1 if ($paraminst ne "") {
186     $URL .= "&inst=$paraminst";
187     }
188    
189     Info("Retrieving graph for $desc");
190     # getURL($URL,"$path/$name-$vname-$rangeLabel.png");
191     $tmp_URL = "$gBaseURL?target=$paramtarget&range=d:w:m:y&view=$vname";
192 dpavlin 1.5 $html{"$rangeLabel\t$paramtarget"}.="$desc<br><a href=\"$tmp_URL\"><img src=$URL></a><br>\n";
193 dpavlin 1.1 }
194     } else {
195     $dslist = $ttRef->{'ds'};
196     # squeeze out any extra spaces
197     $dslist = join(',', split(/\s*,\s*/, $dslist));
198    
199     $URL = "$gBaseURL?type=png&target=$paramtarget";
200     $URL .= "&dslist=$dslist&range=$paramrange";
201 dpavlin 1.5 my $desc ="$paraminst $rangeLabel";
202 dpavlin 1.6 $desc .= " <b>".$target->{'short-desc'}."</b>" if (defined $target->{'short-desc'});
203 dpavlin 1.1 if ($paraminst ne "") {
204     $URL .= "&inst=$paraminst";
205     }
206    
207     Info("Retrieving graph for $desc");
208    
209     # getURL($URL,"$path/$name-$rangeLabel.png");
210     $tmp_URL = "$gBaseURL?target=$paramtarget&range=d:w:m:y";
211 dpavlin 1.5 $html{"$rangeLabel\t$paramtarget"}.="$desc:<br><a href=\"$tmp_URL\"><img src=$URL><a/><br>";
212 dpavlin 1.1 }
213     }
214     }
215     }
216    
217     return;
218     }
219    
220    
221     sub getRanges {
222     my($scales) = @_;
223     $scales = "d:w:m:y" unless (defined($scales));
224    
225     # these definitions mirror how MRTG 2.5 sets up its graphs
226     my(%scaleMap) = ( 'd' => $main::kHour * 42,
227     'w' => $main::kDay * 10,
228     'm' => $main::kWeek * 6,
229     'y' => $main::kMonth * 16);
230    
231     my($scale, @res);
232     foreach $scale (split(/\s*:\s*/, $scales)) {
233     # later, we might do more sophisticated scale specification
234     $scale = $scaleMap{$scale};
235     push @res, $scale;
236     }
237     return @res;
238     }
239    
240    
241     sub initConst {
242     $main::kMinute = 60; # 60 seconds/min
243     $main::kHour = 60 * $main::kMinute;# 60 minutes/hr
244     $main::kDay = 24 * $main::kHour; # 24 hrs/day
245     $main::kWeek = 7 * $main::kDay; # 7 days/week
246     $main::kMonth = 30 * $main::kDay; # 30 days/month
247     $main::kYear = 365 * $main::kDay; # 365 days/year
248    
249     $main::kTypeUnknown = 0;
250     $main::kTypeUnknown = 0; # shut up, -w.
251     $main::kTypeDaily = 1;
252     $main::kTypeWeekly = 2;
253     $main::kTypeMonthly = 3;
254     $main::kTypeYearly = 4;
255    
256     @main::gRangeNameMap = ( undef, 'Daily', 'Weekly', 'Monthly', 'Yearly' );
257    
258     }
259    
260     sub rangeToLabel {
261     my($range) = @_;
262     return $main::gRangeNameMap[rangeType($range)];
263     }
264    
265     sub rangeType {
266     my($range) = @_;
267     my($rangeHours) = $range / 3600;
268    
269     # question: when is kTypeUnknown appropriate?
270    
271     if ($range < $main::kWeek) {
272     return $main::kTypeDaily;
273     } elsif ($range < $main::kMonth) {
274     return $main::kTypeWeekly;
275     } elsif ($range < $main::kYear) {
276     return $main::kTypeMonthly;
277     } else {
278     return $main::kTypeYearly;
279     }
280     }
281    
282    
283     sub getURL
284     {
285     my($url,$filename) = @_;
286    
287     Debug("Fetching url: $url");
288    
289     my $ua = new LWP::UserAgent;
290     my $request = new HTTP::Request('GET', $url);
291     my $response = $ua->request($request);
292    
293     if ($response->is_success) {
294     my($dir) = dirname($filename);
295     if (! -d $dir) {
296     Info("Making directory $dir to hold file $filename.");
297     Common::Util::MkDir($dir);
298     }
299    
300     if (!open(URL,">$filename"))
301     {
302     Error("Error writing to $filename: $!");
303     return;
304     }
305     print URL $response->content;
306     close(URL);
307     }
308     else
309     {
310     Error("Error retrieving target graph: " . $response->message());
311     }
312     }

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