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Munin Kamailio Plugin

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Oussama Hammami 2012-05-04 13:47:10 +02:00
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plugins/kamailio/kamailio_transactions_users Executable file
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#!/usr/bin/perl
# -*- perl -*-
=head1 NAME
Munin plugin to monitor the number of users and transactions in Kamailio using 'statistics' table.
=head1 APPLICABLE SYSTEMS
It requires MySQL 'statistics' table created in Kamailio database.
http://siremis.asipto.com/install-charts-panel/
=head1 CONFIGURATION
[kamailio*]
user root
group root
env.mysql <optional-override-of-mysqladmin-path>
env.mysqlauth -u<User> -p<Password>
env.kamailiodb <kamailio data base>
It is most usual that root must run the mysql command.
=head2 Proxy config
use rtimer module to run periodically a route. In that route you insert the values in database.
SIP Proxy configuration file:
loadmodule "rtimer.so"
loadmodule "sqlops.so"
loadmodule "cfgutils.so"
...
modparam("rtimer", "timer", "name=tst;interval=300;mode=1;")
modparam("rtimer", "exec", "timer=tst;route=8")
modparam("sqlops","sqlcon","ca=>mysql://openser:openserrw@localhost/openser")
...
route[8] {
sql_query("ca",
"insert into statistics (time_stamp,random,shm_used_size,shm_real_used_size,
shm_max_used_size,shm_free_used_size,ul_users,ul_contacts) values ($Ts,
$RANDOM,$stat(used_size),$stat(real_used_size),$stat(max_used_size),
$stat(free_size),$stat(location-users),$stat(location-contacts))","ra");
}
Note: second parameter of sql_query(...) is a single line. Next version, based on SIP-Router.org project will support string parameters broken in multiple lines.
=head2 Database
You have to create a new table in Kamailio (OpenSER) database:
CREATE TABLE `statistics` (
`id` int(10) unsigned NOT NULL auto_increment,
`time_stamp` int(10) unsigned NOT NULL default '0',
`random` int(10) unsigned NOT NULL default '0',
`shm_used_size` int(10) unsigned NOT NULL default '0',
`shm_real_used_size` int(10) unsigned NOT NULL default '0',
`shm_max_used_size` int(10) unsigned NOT NULL default '0',
`shm_free_used_size` int(10) unsigned NOT NULL default '0',
`ul_users` int(10) unsigned NOT NULL default '0',
`ul_contacts` int(10) unsigned NOT NULL default '0',
PRIMARY KEY (`id`)
) ENGINE=MyISAM;
Now all is ready for Kamailio (OpenSER), you can restart it.
=head1 BUGS
None known
=head1 AUTHOR
Copyright 2012 - Voxtrot <www.voxtrot.com>
Oussama Hammami <oussamacvoxtrot.com>
=head1 LICENSE
GPLv2
=head1 VERSION
$Id: kamailio_transactions_users 2012-04-19 16:13 $
=head1 MAGIC MARKERS
#%# family=manual
#%# capabilities=autoconf
=cut
use strict;
my $MYSQL = $ENV{mysql} || "mysql";
my $COMMAND = "$MYSQL $ENV{mysqlauth} $ENV{kamailiodb} -e 'select * from statistics order by id desc limit 1\\G'";
my %WANTED = ( "ul_users" => "users",
"ul_contact" => "contacts",
"tm_active" => "transactions",
);
my %VALUE = ( "users" => 0,
"contacts" => 0,
"transactions" => 0,
);
my $arg = shift();
if ($arg eq 'config') {
print_config();
exit();
} elsif ($arg eq 'autoconf') {
unless (test_service() ) {
print "yes\n";
} else {
print "no\n";
}
exit 0;
}
open(SERVICE, "$COMMAND |")
or die("Could not execute '$COMMAND': $!");
while (<SERVICE>) {
my ($k, $v) = (m/(\w+).*?(\d+(?:\.\d+)?)/);
next unless ($k);
if (exists $WANTED{$k} ) {
$VALUE{$WANTED{$k}}=$v;
}
}
close(SERVICE);
for my $key (keys %VALUE) {
print ("$key.value $VALUE{$key}\n");
}
sub print_config {
print ("graph_title Kamailio transactions and location\n");
# Arguments to "rrdtool graph". In this case, tell it that the
# lower limit of the graph is '0', and that 1k=1000 (not 1024).
print("graph_args --base 1000 --lower-limit 0\n");
print("graph_vlabel user/transaction\n");
print("graph_scale no\n");
print("graph_category kamailio\n");
print("graph_info The graph describes the number of users/transaction on kamailio.\n");
print("users.label users\n");
print("contacts.label contacts\n");
print("transactions.label transactions\n");
print("users.info Average sip users for the five minutes.\n");
print("contacts.info Average sip contacts for the five minutes.\n");
print("transactions.info Average sip transactions for the five minutes.\n");
print("graph_order transactions users contacts\n");
print("users.type GAUGE\n");
print("contacts.type GAUGE\n");
print("transactions.type GAUGE\n");
print("users.draw LINE1\n");
print("contacts.draw LINE1\n");
print("transactions.draw AREA\n");
print("users.colour 00CCC9\n");
print("contacts.colour 8498A0\n");
print("transactions.colour E6D300\n");
# Ensure min values (useful when using 'DERIVE' as 'type').
print("users.min 0\n");
print("contacts.min 0\n");
print("transactions.min 0\n");
}
sub test_service {
system ("$MYSQL --version >/dev/null 2>/dev/null");
if ($? == 0)
{
system ("$COMMAND >/dev/null 2>/dev/null");
if ($? == 0)
{
print "yes\n";
}
else
{
print "no (could not connect to mysql)\n";
}
}
else
{
print "no (mysql not found)\n";
}
exit 0;
}