+foreach my $src (<$R/df/df-*.rrd>) {
+ my $vol= $src;
+ $vol =~ s,\.rrd$,, or next;
+ $vol =~ s,.*/,,;
+ $vol =~ s,^df-,,;
+ graph('Disk space', $vol, {
+ Slower => 1,
+ },
+ [ '-A','-l',0,'-r',
+ qw(-b 1024 -l 0),
+ (map { "DEF:$_=$src:$_:AVERAGE" } qw(free used)),
+ "AREA:used#000:used:STACK",
+ "AREA:free#88f:free:STACK",
+ ]);
+}
+
+our %news_name_map;
+
+if (!open NM, '<', "$SELF/data/news/name-map") {
+ die unless $!==&ENOENT;
+} else {
+ while (<NM>) {
+ s/^\s*//; s/\s+$//;
+ next unless m/^[^\#]/;
+ m/^(\S+)\s+(in|out|\*)\s+(\S+)$/ or die;
+ if ($2 eq '*') {
+ $news_name_map{$1,$_}= $3 foreach qw(in out);
+ } else {
+ $news_name_map{$1,$2}= $3;
+ }
+ }
+}
+
+our @news_graphs;
+
+foreach my $src (<$SELF/data/news/*.rrd>) {
+ my $site= $src;
+ $site =~ s,\.rrd$,, or next;
+ $site =~ s,.*/,,;
+ $site =~ s,_(in|out)$,,;
+ my $inout= $1;
+ $site =~ s/^([-.0-9a-z]+)_//;
+ my $us= $1; # all very well but we ignore it
+ my $newsite= $news_name_map{$site,$inout};
+ $site= $newsite if defined $newsite;
+ next if $site eq '-';
+ #my $sk= join '.', reverse split /\./, $site;
+ my $sk= $site;
+ $sk .= " $&" if $sk =~ s/^[^.]*(?:news|nntp|peer)[^.]*\.//;
+ $sk .= " $inout";
+ push @news_graphs, [ $sk, $site, $inout, $src ];
+}
+
+foreach my $siteinfo (sort { $a->[0] cmp $b->[0] } @news_graphs) {
+ my ($sortkey, $site, $inout, $src)= @$siteinfo;
+ graph_of_group("News", $site, $inout,
+ {
+ Units => '[art/s]',
+ TimeRanges => [ map { $_*86400 } qw(1 7 31), 366, 366*3 ]
+ }, $inout eq 'out' ?
+ [
+ (map { "DEF:$_=$src:$_:AVERAGE" }
+ qw(missing deferred unwanted accepted rejected body_missing)),
+ "AREA:accepted#00f:ok",
+ "AREA:body_missing#ff0:miss:STACK",
+ "AREA:rejected#f00:rej:STACK",
+ "AREA:unwanted#aaa:unw:STACK",
+ "AREA:deferred#ddd:defer:STACK",
+ ] :
+ [
+ (map { "DEF:$_=$src:$_:AVERAGE" }
+ qw(accepted refused rejected duplicate)),
+ (map { ("DEF:bytes_$_=$src:${_}_size:AVERAGE",
+ "CDEF:kb_$_=bytes_$_,1024,/")
+ } qw(accepted duplicate)),
+ "AREA:accepted#00f:ok:STACK",
+ "AREA:rejected#f00:rej:STACK",
+ "AREA:duplicate#000:dupe:STACK",
+ "AREA:refused#aaa:unw:STACK",
+ "CDEF:kb_accepted_smooth=kb_accepted,<interval/60>,TREND",
+ "LINE:kb_duplicate#ff0:kb dupe",
+ "LINE:kb_accepted_smooth#008:~kb",
+ ]);
+}
+
+our %disk_rdev2rrd;
+
+foreach my $physdiskrrd (<$R/disk-*/disk_octets.rrd>) {
+ $physdiskrrd =~ s,octets\.rrd$,, or die;
+ $physdiskrrd =~ m,-([^/]+)/disk_$, or die;
+ my $physdev= "/dev/$1";
+ if (!stat $physdev) {
+ die "$physdev $!" unless $!==&ENOENT;
+ next;
+ }
+ die "$physdev ?" unless S_ISBLK((stat _)[2]);
+ $disk_rdev2rrd{(stat _)[6]}= $physdiskrrd;
+}
+
+our @disk_vgs;
+
+sub lvgraphs {
+ my ($vg, $label, $factor, $rcolour, $wcolour) = @_;
+ my @lvs;
+ my $varname= $vg;
+ $varname =~ s/[^0-9a-zA-Y]/ sprintf "Z%02x", ord($&) /ge;
+ my $vginfo= {
+ Name => $label,
+ Varname => $varname,
+ Colour => { 'read' => $rcolour, 'write' => $wcolour },
+ Lvs => []
+ };
+ foreach my $bo (qw(octets ops)) {
+ foreach my $rw (qw(read write)) {
+ $vginfo->{VarDefs}{$bo}{$rw}= [];
+ $vginfo->{Sumdef}{$bo}{$rw}= '0';
+ }
+ }
+ my $ix=0;
+ foreach my $lvpath (</dev/$vg/*>) {
+ my $lv= $lvpath; $lv =~ s,.*/,,;
+ if (!stat $lvpath) {
+ die "$lvpath $!" unless $!==&ENOENT;
+ next;
+ }
+ die "$lvpath ?" unless S_ISBLK((stat _)[2]);
+ my $rrd= $disk_rdev2rrd{(stat _)[6]};
+ next unless defined $rrd;
+
+ my $lvinfo= { Name => $lv };
+ push @{ $vginfo->{Lvs} }, $lvinfo;
+
+ foreach my $bo (qw(octets ops)) {
+ $lvinfo->{Defs}{$bo}=
+ [
+ (map { ("DEF:$_=${rrd}${bo}.rrd:$_:AVERAGE") } qw(read write)),
+ "CDEF:mwrite=0,write,-",
+ "AREA:read#00f:read",
+ "AREA:mwrite#f00:write"
+ ];
+
+ foreach my $rw (qw(read write)) {
+ $ix++;
+ my $tvar= "lv_${rw}_${bo}_${varname}_${ix}";
+ push @{ $vginfo->{VarDefs}{$bo}{$rw} },
+ "DEF:$tvar=${rrd}${bo}.rrd:$rw:AVERAGE";
+ $vginfo->{Sumdef}{$bo}{$rw} .= ",$tvar,+";
+ }
+ }
+ }
+ foreach my $bo (qw(octets ops)) {
+ foreach my $rw (qw(read write)) {
+ my $defs= [];
+ push @$defs, @{ $vginfo->{VarDefs}{$bo}{$rw} };
+ push @$defs, "CDEF:${rw}_vg_${varname}=".
+ $vginfo->{Sumdef}{$bo}{$rw}.
+ sprintf(",%f,*", $rw eq 'write' ? -$factor : $factor);
+ $vginfo->{Defs}{$bo}{$rw}= $defs;
+ }
+ }
+ push @disk_vgs, $vginfo;
+}
+
+lvgraphs('vg-main', 'main', 1, qw(00f f00));
+lvgraphs('vg-chiark-stripe', 'stripe', 0.5, qw(008 800));
+
+foreach my $bo (qw(octets ops)) {
+ my @a= ();
+ foreach my $rw (qw(read write)) {
+ my $stack= '';
+ foreach my $vginfo (@disk_vgs) {
+ push @a, @{ $vginfo->{Defs}{$bo}{$rw} };
+ push @a, "AREA:${rw}_vg_$vginfo->{Varname}#".
+ $vginfo->{Colour}{$rw}.
+ ":$vginfo->{Name} ".substr($rw,0,1).
+ $stack;
+ $stack= ':STACK';
+ }
+ }
+ graph_of_group('IO', 'IO', $bo, { Units => '[/s]' }, \@a);
+}
+
+foreach my $vginfo (@disk_vgs) {
+ foreach my $bo (qw(octets ops)) {
+ foreach my $lv (@{ $vginfo->{Lvs} }) {
+ graph_of_group('IO', "$vginfo->{Name} $lv->{Name}",
+ $bo, { Units => '[/s]' }, $lv->{Defs}{$bo});
+ }
+ }
+}
+
+push @{ $section_groups{General} }, {
+ Section => 'IO',
+ Group => 'IO',
+ UrlParams => "section=IO&sloth=SLOTH"
+};
+
+}
+#---------- right, that was the initialisation ----------
+
+our $self= url(-relative=>1);
+