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Merge pull request #295 from cryptickrisp/master

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Fixes plugins/network/bandwidth_ initialization for first runs
This commit is contained in:
Kenyon Ralph 2013-04-26 21:02:36 -07:00
commit f5cc9a868d
1 changed files with 19 additions and 9 deletions
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28
plugins/network/bandwidth_
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@ -23,6 +23,11 @@ public IP and if so it will suggest monitoring those interfaces. If all
IP addresses are private the setup will have to be done manually. Suggest
does not handle IPv6 addresses.
Environment Variables:
* monthlycap => monthly cap to draw warnings at in bytes
* uploadonly => if set display (and count against warnings) only upload bytes
=head1 USAGE
Any device found in /proc/net/dev can be monitored. Examples include ipsec*,
@ -32,7 +37,7 @@ Please note that aliases cannot be monitored with this plugin.
=head1 VERSION
$Id: bandwidth_,v 1.35 2012/01/23 20:04:33 root Exp $
$Id: bandwidth_,v 1.37 2012/01/23 20:04:33 root Exp $
=head1 AUTHOR
@ -75,12 +80,14 @@ my $count30 = 2592000; # The number of seconds in 30 days
my $unix_ts = time;
my $rollover = 4294967295;
eval { init(); };
my $monthlyCap = ($ENV{monthlycap} or 268435456000);
my $warnRate = $monthlyCap/$count30;
init();
sub autoconf {
$0 =~ /bandwidth_(.+)*$/;
$interface = $1;
exit 2 unless defined $interface;
$history = "/var/lib/munin/plugin-state/bandwidth_$interface.state";
}
@ -166,7 +173,7 @@ sub arg {
sub print_config {
print <<EOM;
graph_title Monthly Bandwidth average
graph_title Monthly Bandwidth average ($interface)
graph_vlabel Bytes (per sec)
average.label current 30 day average bytes/sec
monthly.label monthly project based on 30 day average
@ -177,9 +184,9 @@ monthly.info Your projected monthly network rate based on your average network r
graph_category network
graph_args --base 1024 -l 0
graph_info This graph show your current average bandwidth usage and projected 30 day average based on your last 30 day usage.
average.warning 103563
monthly.warning 268435456000
30dayusage.warning 268435456000
average.warning $warnRate
monthly.warning $monthlyCap
30dayusage.warning $monthlyCap
EOM
exit 0;
}
@ -263,7 +270,9 @@ sub sum_old {
sub munin_output {
my $period = $unix_ts - $oldest_ts;
my $total30 = $input_30days + $output_30days;
return unless $period; #can't estimate anything from a single point, so don't.
my $total30 = $output_30days;
$total30 += $input_30days unless $ENV{uploadonly};
my $average30 = $total30 / $period;
print "average.value $average30\n";
print "monthly.value " . $average30 * $count30 . "\n";
@ -271,8 +280,9 @@ sub munin_output {
}
sub init {
arg();
autoconf();
arg();
exit 2 unless defined $interface;
retrieve_history();
read_traffic();
bit32or64();