}
use Net::SNMP;
+use IO::Socket::INET;
use RRDs;
+use File::Copy;
use Data::Dumper;
$UPSGRAPH::outdir = "";
(my $session, my $error) = Net::SNMP->session(Hostname => $address,
Community => $community);
- die "session error: $error" unless ($session);
+ if (!$session) {
+ print STDERR "session error: $error";
+ return undef;
+ }
$session->translate(0);
- my $val = $session->get_request($oid);
+ my $result = $session->get_request($oid);
$session->close;
- $val;
+ return undef if (!defined($result));
+
+ $result->{$oid};
+}
+
+sub fetch_tcp(@) {
+ my $address = shift;
+ my $port = shift;
+
+ my $sock = IO::Socket::INET->new(PeerAddr => $address,
+ PeerPort => $port,
+ Proto => 'tcp',
+ Timeout => 1);
+
+ return undef if (!$sock);
+
+ chomp(my $value = <$sock>);
+
+ close($sock);
+
+ if (!$value) {
+ return undef;
+ }
+
+ $value=~ s/\s//g;
+
+ $value;
}
if ($> == 0) {
foreach my $host (@$hosts) {
my $rrdfile = $host->{'rrdfile'};
+ foreach my $var (keys(%{$host->{'vars'}})) {
+ $host->{'vars'}->{$var}->{'min'} = 'U' if (!defined($host->{'vars'}->{$var}->{'min'}));
+ $host->{'vars'}->{$var}->{'max'} = 'U' if (!defined($host->{'vars'}->{$var}->{'max'}));
+ }
+
if (-e "${rrdfile}") {
print "Reading old ${rrdfile} to preserve data...\n";
exit 1;
}
+ if (defined($rrdinfo->{"ds[${field}].min"})) {
+ if ($rrdinfo->{"ds[${field}].min"} ne $host->{'vars'}->{$field}->{'min'}) {
+ RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
+ }
+ } else {
+ if ($host->{'vars'}->{$field}->{'min'} ne 'U') {
+ RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
+ }
+ }
+
+ if (RRDs::error) {
+ print "Error while setting min: " . RRDs::error . "\n";
+ exit 1;
+ }
+
+ if (defined($rrdinfo->{"ds[${field}].max"})) {
+ if ($rrdinfo->{"ds[${field}].max"} ne $host->{'vars'}->{$field}->{'max'}) {
+ RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
+ }
+ } else {
+ if ($host->{'vars'}->{$field}->{'max'} ne 'U') {
+ RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
+ }
+ }
+
+ if (RRDs::error) {
+ print "Error while setting max: " . RRDs::error . "\n";
+ exit 1;
+ }
+
if ($rrdinfo->{'rra[0].rows'} != $keep) {
print "Resizing ${rrdfile}.${field} from " . $rrdinfo->{'rra[0].rows'} .
" to ${keep} samples.\n";
while(1) {
open(HTML, ">${outdir}/index.html.new");
- print HTML '<html><head><meta http-equiv="refresh" content="60"/><meta http-equiv="cache-control" content="no-cache"/><meta http-equiv="pragma" content="no-cache"/><meta http_equiv="expires" content="Sat, 26 Jul 1997 05:00:00 GMT"/><title>USV status</title></head>';
+ print HTML '<html><head><meta http-equiv="refresh" content="60"/><meta http-equiv="cache-control" content="no-cache"/><meta http-equiv="pragma" content="no-cache"/><meta http_equiv="expires" content="Sat, 26 Jul 1997 05:00:00 GMT"/><title>Status</title></head>';
print HTML '<body bgcolor="#ffffff">';
foreach my $host (@$hosts) {
+ print HTML "[<a href=\"#".${host}->{'name'}."\">".${host}->{'name'}."</a>] ";
+ }
+ print HTML "<br>\n";
+
+ foreach my $host (@$hosts) {
+ print HTML "<br>\n";
+ print HTML "<a name=\"".${host}->{'name'}."\"></a>\n";
my $vars = $host->{'vars'};
my $rrdfile = $host->{'rrdfile'};
my $hostname = $host->{'name'};
foreach my $var (@{$host->{'fields'}}) {
delete $vars->{$var}->{'value'};
- my $result = fetch_snmp($host->{'address'}, $host->{'community'}, $vars->{$var}->{'oid'});
+ my $result;
+
+ if ((!defined($vars->{$var}->{'proto'})) ||
+ ($vars->{$var}->{'proto'} eq '') ||
+ ($vars->{$var}->{'proto'} eq 'snmp')) {
+ $result = fetch_snmp($host->{'address'}, $host->{'community'}, $vars->{$var}->{'oid'});
+ } elsif ($vars->{$var}->{'proto'} eq 'tcp') {
+ $result = fetch_tcp($host->{'address'}, $vars->{$var}->{'port'});
+ }
+
next unless (defined $result);
- $vars->{$var}->{'value'} = $result->{$vars->{$var}->{'oid'}};
+ $vars->{$var}->{'value'} = $result;
if (defined($vars->{$var}->{'factor'})) {
$vars->{$var}->{'value'} *= $vars->{$var}->{'factor'};
}
}
foreach my $var (@{$host->{'fields'}}) {
- my @graphdef = ("-t", $hostname." - ".$vars->{$var}->{'name'}, "DEF:${var}=${rrdfile}.${var}:${var}:AVERAGE", "LINE1:${var}#FF0000");
+ my @graphdef = ('-P', "--lazy", "-t", $hostname." - ".$vars->{$var}->{'name'}, "DEF:${var}=${rrdfile}.${var}:${var}:AVERAGE", "LINE1:${var}#FF0000");
+
+ push @graphdef, "VDEF:cur=${var},LAST";
+ push @graphdef, 'GPRINT:cur:Current\\: <span foreground="#FF0000">%.2lf</span>\\r';
+
+ my $mtime;
+ $mtime=(stat("${outdir}/${hostname}.${var}.png.work"))[9];
+
(my $averages, my $width, my $height) =
- RRDs::graph("${outdir}/${hostname}.${var}.png.new",
+ RRDs::graph("${outdir}/${hostname}.${var}.png.work",
"-w", "720", @graphdef);
+ pop @graphdef;
+ pop @graphdef;
+
if (RRDs::error) {
print "Error while graphing: " . RRDs::error . "\n";
} else {
- rename("${outdir}/${hostname}.${var}.png.new", "${outdir}/${hostname}.${var}.png");
+ my $newmtime=(stat("${outdir}/${hostname}.${var}.png.work"))[9];
+ if ((!defined($mtime)) || ($newmtime != $mtime)) {
+ copy("${outdir}/${hostname}.${var}.png.work", "${outdir}/${hostname}.${var}.png.new");
+ rename("${outdir}/${hostname}.${var}.png.new", "${outdir}/${hostname}.${var}.png");
+ }
}
- print HTML "<a href=\"${hostname}.${var}.html\"><img src=\"${hostname}.${var}.png\" width=\"${width}\" height=\"${height}\" border=\"0\"></a>";
+ print HTML "<a href=\"${hostname}.${var}.html\"><img src=\"${hostname}.${var}.png\" width=\"${width}\" height=\"${height}\" border=\"0\"></a><br>\n";
open (HTML2, ">${outdir}/${hostname}.${var}.html.new");
- print HTML2 "<html><head><title>" . $vars->{$var}->{'name'} . "</title></head>";
+ print HTML2 '<html><head><meta http-equiv="refresh" content="60"/><meta http-equiv="cache-control" content="no-cache"/><meta http-equiv="pragma" content="no-cache"/><meta http_equiv="expires" content="Sat, 26 Jul 1997 05:00:00 GMT"/><title>' . $vars->{$var}->{'name'} . '</title></head>';
print HTML2 '<body bgcolor="#ffffff">';
-
push @graphdef, "VDEF:min=${var},MINIMUM";
push @graphdef, "GPRINT:min:Minimum\\: %.2lf";
push @graphdef, "VDEF:cur=${var},LAST";
push @graphdef, "GPRINT:cur:Current\\: %.2lf";
+ $mtime=(stat("${outdir}/${hostname}.${var}.long.png.work"))[9];
($averages, $width, $height) =
- RRDs::graph("${outdir}/${hostname}.${var}.long.png.new",
+ RRDs::graph("${outdir}/${hostname}.${var}.long.png.work",
"-w", "1008", @graphdef);
if (RRDs::error) {
print "Error while graphing: " . RRDs::error . "\n";
} else {
- rename("${outdir}/${hostname}.${var}.long.png.new", "${outdir}/${hostname}.${var}.long.png");
+ my $newmtime=(stat("${outdir}/${hostname}.${var}.long.png.work"))[9];
+ if ((!defined($mtime)) || ($newmtime != $mtime)) {
+ copy("${outdir}/${hostname}.${var}.long.png.work", "${outdir}/${hostname}.${var}.long.png.new");
+ rename("${outdir}/${hostname}.${var}.long.png.new", "${outdir}/${hostname}.${var}.long.png");
+ }
}
print HTML2 "<img src=\"${hostname}.${var}.long.png\" width=\"${width}\" height=\"${height}\"><br>";
+ $mtime=(stat("${outdir}/${hostname}.${var}.week.png.work"))[9];
($averages, $width, $height) =
- RRDs::graph("${outdir}/${hostname}.${var}.week.png.new",
+ RRDs::graph("${outdir}/${hostname}.${var}.week.png.work",
"-w", "1008", "-e", "now", "-s", "end-1w", @graphdef);
if (RRDs::error) {
print "Error while graphing: " . RRDs::error . "\n";
} else {
- rename("${outdir}/${hostname}.${var}.week.png.new", "${outdir}/${hostname}.${var}.week.png");
+ my $newmtime=(stat("${outdir}/${hostname}.${var}.week.png.work"))[9];
+ if ((!defined($mtime)) || ($newmtime != $mtime)) {
+ copy("${outdir}/${hostname}.${var}.week.png.work", "${outdir}/${hostname}.${var}.week.png.new");
+ rename("${outdir}/${hostname}.${var}.week.png.new", "${outdir}/${hostname}.${var}.week.png");
+ }
}
print HTML2 "<img src=\"${hostname}.${var}.week.png\" width=\"${width}\" height=\"${height}\"><br>";
+ $mtime=(stat("${outdir}/${hostname}.${var}.year.png.work"))[9];
($averages, $width, $height) =
- RRDs::graph("${outdir}/${hostname}.${var}.year.png.new",
+ RRDs::graph("${outdir}/${hostname}.${var}.year.png.work",
"-w", "1008", "-e", "now", "-s", "end-1y", @graphdef);
if (RRDs::error) {
print "Error while graphing: " . RRDs::error . "\n";
} else {
- rename("${outdir}/${hostname}.${var}.year.png.new", "${outdir}/${hostname}.${var}.year.png");
+ my $newmtime=(stat("${outdir}/${hostname}.${var}.year.png.work"))[9];
+ if ((!defined($mtime)) || ($newmtime != $mtime)) {
+ copy("${outdir}/${hostname}.${var}.year.png.work", "${outdir}/${hostname}.${var}.year.png.new");
+ rename("${outdir}/${hostname}.${var}.year.png.new", "${outdir}/${hostname}.${var}.year.png");
+ }
}
print HTML2 "<img src=\"${hostname}.${var}.year.png\" width=\"${width}\" height=\"${height}\"><br>";
projects / upsgraph / blobdiff