7 print(header(-status=>500),
15 our $R= '/var/lib/collectd/rrd/chiark.greenend.org.uk';
16 our $SELF= '/home/ijackson/things/rrd-graphs';
18 my $self= url(-relative=>1);
20 our (@sections, %sections, %graphs);
22 our @timeranges= (3600, map { $_*86400 } qw(1 7 28), 13*7+1);
25 my ($section, $gname, $basis, $args) = @_;
26 $basis->{Args}= $args;
27 $basis->{Slower}= 0 unless exists $basis->{Slower};
28 $graphs{$section,$gname}= $basis;
29 if (!exists $sections{$section}) {
30 push @sections, $section;
32 push @{ $sections{$section} }, $gname;
35 graph('General', 'Load', { },
37 "DEF:load=$R/load/load.rrd:shortterm:AVERAGE",
38 (map { "DEF:$_=$R/processes/ps_state-$_.rrd:value:AVERAGE" }
39 qw(blocked running stopped paging sleeping zombies)),
40 "AREA:running#88f:running processes:STACK",
41 "AREA:blocked#8f8:blocked processes:STACK",
42 "AREA:paging#f88:paging processes:STACK",
46 graph('General', 'Processes', { },
48 (map { "DEF:$_=$R/processes/ps_state-$_.rrd:value:AVERAGE" }
49 qw(blocked running stopped paging sleeping zombies)),
50 "CDEF:busy=0".(join '', map { ",$_,+" } qw(running blocked paging)),
51 "AREA:sleeping#ccc:sleeping:STACK",
52 "AREA:stopped#00f:stopped:STACK",
53 "AREA:zombies#ff0:zombie:STACK",
54 "AREA:busy#000:busy:STACK",
57 graph('General', 'CPU', { Units => '[%]' },
61 (map { "DEF:$thing$_=$R/cpu-$_/cpu-$thing.rrd:value:AVERAGE" }
63 "CDEF:$thing=0".join('', map { ",$thing$_,+" } (0..7)).",8.0,/";
64 } qw(idle interrupt nice softirq steal system user wait)),
65 "AREA:system#00f:system:STACK",
66 "AREA:wait#f88:wait:STACK",
67 "AREA:nice#ccc:nice:STACK",
68 "AREA:user#080:user:STACK",
69 "AREA:softirq#f0f:softirq:STACK",
70 "AREA:interrupt#ff0:interrupt:STACK",
71 "AREA:steal#0ff:steal:STACK",
74 graph('General', 'Memory', { },
76 (map { "DEF:swap_$_=$R/swap/swap-$_.rrd:value:AVERAGE" }
77 qw(free used cached)),
78 (map { "DEF:mem_$_=$R/memory/memory-$_.rrd:value:AVERAGE" }
79 qw(buffered free used cached)),
80 "CDEF:c_swap_used=0,swap_used,-",
81 "CDEF:c_swap_cached=0,swap_cached,-",
82 "CDEF:c_swap_free=0,swap_free,-",
83 "AREA:c_swap_used#000:used swap",
84 "AREA:c_swap_cached#888:\"cached\" swap:STACK",
85 # "AREA:c_swap_free#88f:free swap:STACK",
86 "AREA:mem_used#ff0:used memory",
87 "AREA:mem_buffered#00f:page cache:STACK",
88 "AREA:mem_cached#008:buffer cache:STACK",
89 "AREA:mem_free#ccc:unused memory:STACK",
92 graph('General', 'Network', { Units => '[/sec; tx +ve; errs x1000]' },
95 ("DEF:tx_$_=$R/interface/if_$_-eth0.rrd:tx:AVERAGE",
96 "DEF:rx_$_=$R/interface/if_$_-eth0.rrd:rx:AVERAGE",
97 "CDEF:mrx_$_=0,rx_$_,-")
98 } qw(octets packets errors)),
100 ("CDEF:${_}_kb=${_}_octets,1024,/",
101 "CDEF:${_}_errsx=${_}_errors,1000,*")
103 "AREA:tx_kb#080:kby",
104 "LINE:tx_packets#0f0:pkts",
105 "LINE:tx_errsx#000:errs",
106 "AREA:mrx_kb#008:kby",
107 "LINE:mrx_packets#00f:pkts",
108 "LINE:mrx_errsx#444:errs",
111 graph('General', 'Users', { },
113 "DEF:users=$R/users/users.rrd:users:AVERAGE",
114 "LINE:users#008:users"
117 foreach my $src (<$R/df/df-*.rrd>) {
122 graph('Disk space', $vol, {
127 (map { "DEF:$_=$src:$_:AVERAGE" } qw(free used)),
128 "AREA:used#000:used:STACK",
129 "AREA:free#88f:free:STACK",
133 foreach my $src (<$SELF/news-stats/*.rrd>) {
137 $site =~ s,_(in|out)$,,;
139 $site =~ s/^([-.0-9a-z]+)_//;
142 $inout eq 'out' ? "$us -> $site" : "$site -> $us",
147 (map { "DEF:$_=$src:$_:AVERAGE" }
148 qw(missing offered deferred unwanted accepted
149 rejected body_missing)),
150 "AREA:accepted#00f:ok",
151 "AREA:body_missing#ff0:missing:STACK",
152 "AREA:rejected#f00:rej:STACK",
153 "AREA:unwanted#bbb:unw:STACK",
154 "AREA:deferred#eee:deferred:STACK",
158 (map { "DEF:$_=$src:$_:AVERAGE" }
159 qw(accepted refused rejected duplicate)),
160 (map { ("DEF:bytes_$_=$src:${_}_size:AVERAGE",
161 "CDEF:kb_$_=bytes_$_,1024,/")
162 } qw(accepted duplicate)),
163 "AREA:accepted#00f:ok:STACK",
164 "AREA:rejected#f00:rej:STACK",
165 "AREA:duplicate#000:dupe:STACK",
166 "AREA:refused#bbb:unw:STACK",
167 "LINE:kb_duplicate#ff0:kb dupe",
168 "LINE:kb_accepted#008:kb",
172 if (param('debug')) {
173 print "Content-Type: text/plain\n\n";
180 my $var= $nav->{Variable};
181 $$var= param($nav->{Param});
182 $$var= $nav->{Default} if !defined $$var;
183 die $nav->{Param} unless grep { $_ eq $$var } @{ $nav->{Values} };
184 push @navsettings, $nav;
192 Variable => \$section,
193 Default => $sections[0],
194 Values => [@sections],
195 Show => sub { return $_[0]; }
199 my $gname= param('graph');
201 sub num_param ($$$$) {
202 my ($param,$def,$min,$max) = @_;
203 my $v= param($param);
204 return $def if !defined $v;
205 $v =~ m/^([1-9]\d{0,8})$/ or die;
207 die unless $v >= $min && $v <= $max;
212 my $g= $graphs{$section,$gname};
215 my @args= @{ $g->{Args} };
217 my $width= num_param('w',370,100,1600);
218 my $height= num_param('h',200,100,1600);
220 my $end= param('end');
222 $end =~ m/^(\d+)$/ or die;
223 unshift @args, qw(--end now --start), "end-${end}s";
225 if (param('debug')) {
226 print((join "\n",@args),"\n"); exit 0;
228 print "Content-Type: image/png\n\n";
231 $title .= " $g->{Units}" if $g->{Units};
232 unshift @args, '-t', $title;
234 exec (qw(rrdtool graph - -a PNG --full-size-mode),
235 '-w',$width, '-h',$height,
242 print header(), start_html($title);
244 foreach my $nav (@navsettings) {
246 print $nav->{Desc}, ": ";
248 my $current= $nav->{Variable}; $current= $$current;
249 foreach my $couldbe (@{ $nav->{Values} }) {
251 my $show= $nav->{Show}($couldbe);
252 if ($couldbe eq $current) {
253 print "<b>$show</b>";
255 print "<a href=\"$self";
257 foreach my $nav2 (@navsettings) {
258 my $current2= $nav2->{Variable}; $current2= $$current2;
259 $current2= $couldbe if $nav2->{Param} eq $nav->{Param};
260 next if $current2 eq $nav2->{Default};
261 print $delim2, "$nav2->{Param}=$current2";
264 print "\">$show</a>";
268 $outerdelim= "<br>\n";
275 my $detail= param('detail');
277 my $g= $graphs{$section,$detail};
279 start_page("$detail graphs");
280 foreach my $end (@timeranges[$g->{Slower}..$g->{Slower}+3]) {
281 my $imgurl= "$self?graph=$detail§ion=$section&end=$end";
282 print "<a href=\"$imgurl&w=780&h=800\"><img src=\"$imgurl\"></a>\n";
291 Desc => 'Time interval',
298 return ('Narrower', 'Normal', 'Wider')[$sl];
302 if (param('debug')) {
304 print Dumper(\%graphs);
308 start_page("$section graphs");
310 foreach my $gname (@{ $sections{$section} }) {
311 my $g= $graphs{$section,$gname};
312 print "<a href=\"$self?detail=$gname§ion=$section\">";
313 my $end= $timeranges[$g->{Slower}+$sloth];
314 my $imgurl= "$self?graph=$gname§ion=$section&end=$end";
315 print "<img src=\"$imgurl\"></a>\n";