[OpenSIPS-Users] Load balancer problem

[Bogdan-Andrei Iancu]

Hi,

By "failing" you mean the "load_balance" function returns false in script ?

Could you post the output of:

	opensipsctl fifo lb_list


Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 26.08.2014 15:04, Anshuman S Rawat wrote:
>
> Hi,
>
> I am trying to use the load_balancer module for load balancing 
> requests between 2 OpenSIPS instances but my load_balance() function 
> is failing for reasons I couldn't figure out.
>
> My load balancer table looks like this.
>
> +----+----------+-------------------------+-----------+------------+-------------+
>
> | id | group_id | dst_uri | resources | probe_mode | description |
>
> +----+----------+-------------------------+-----------+------------+-------------+
>
> |  1 |        1 | sip:192.168.1.18:6606   | vm=1000 |          2 
> |             |
>
> |  2 |        1 | sip:192.168.1.15:3300 | vm=1000 |          2 
> |             |
>
> +----+----------+-------------------------+-----------+------------+-------------+
>
> Loaded modules:
>
> loadmodule "db_mysql.so"
>
> loadmodule "sl.so"
>
> loadmodule "tm.so"
>
> loadmodule "rr.so"
>
> loadmodule "maxfwd.so"
>
> loadmodule "usrloc.so"
>
> loadmodule "signaling.so"
>
> loadmodule "registrar.so"
>
> loadmodule "textops.so"
>
> loadmodule "mi_fifo.so"
>
> loadmodule "xlog.so"
>
> loadmodule "nathelper.so"
>
> loadmodule "lcr.so"
>
> loadmodule "dialog.so"
>
> loadmodule "siptrace.so"
>
> #loadmodule "uac.so"
>
> loadmodule "path.so"
>
> loadmodule "load_balancer.so"
>
> loadmodule "auth.so"
>
> loadmodule "auth_db.so"
>
> loadmodule "msilo.so"
>
> Module specific parameters:
>
> # -- load balancer --
>
> modparam("load_balancer", "db_url", 
> "mysql://user:password@localhost/opensips")
>
> modparam("load_balancer", "db_table", "load_balancer")
>
> modparam("load_balancer", "probing_interval", 30)
>
> Syslog contains the following on startup:
>
> Aug 26 07:58:23 tatatest2 /usr/local/sbin/opensips[19419]: 
> NOTICE:core:main: version: opensips 1.6.0-notls (x86_64/linux)
>
> Aug 26 07:58:23 tatatest2 /usr/local/sbin/opensips[19419]: 
> INFO:core:main: using 128 Mb shared memory
>
> Aug 26 07:58:23 tatatest2 /usr/local/sbin/opensips[19419]: 
> INFO:core:main: using 16 Mb private memory per process
>
> Aug 26 07:58:23 tatatest2 /usr/local/sbin/opensips[19419]: 
> INFO:sl:mod_init: Initializing StateLess engine
>
> Aug 26 07:58:23 tatatest2 /usr/local/sbin/opensips[19419]: 
> INFO:tm:mod_init: TM - initializing...
>
> Aug 26 07:58:23 tatatest2 /usr/local/sbin/opensips[19419]: 
> INFO:maxfwd:mod_init: initializing...
>
> Aug 26 07:58:23 tatatest2 /usr/local/sbin/opensips[19419]: 
> INFO:usrloc:ul_init_locks: locks array size 512
>
> Aug 26 07:58:23 tatatest2 /usr/local/sbin/opensips[19419]: 
> NOTICE:signaling:mod_init: initializing module ...
>
> Aug 26 07:58:23 tatatest2 /usr/local/sbin/opensips[19419]: 
> INFO:registrar:mod_init: initializing...
>
> Aug 26 07:58:23 tatatest2 /usr/local/sbin/opensips[19419]: 
> INFO:textops:mod_init: initializing...
>
> Aug 26 07:58:23 tatatest2 /usr/local/sbin/opensips[19419]: 
> INFO:xlog:mod_init: initializing...
>
> Aug 26 07:58:23 tatatest2 /usr/local/sbin/opensips[19419]: 
> INFO:dialog:mod_init: Dialog module - initializing
>
> Aug 26 07:58:23 tatatest2 /usr/local/sbin/opensips[19419]: 
> INFO:siptrace:mod_init: initializing...
>
> Aug 26 07:58:23 tatatest2 /usr/local/sbin/opensips[19419]: 
> INFO:path:mod_init: initializing...
>
> Aug 26 07:58:23 tatatest2 /usr/local/sbin/opensips[19419]: 
> INFO:load_balancer:mod_init: Load-Balancer module - initializing
>
> Aug 26 07:58:23 tatatest2 /usr/local/sbin/opensips[19419]: 
> INFO:auth:mod_init: initializing...
>
> Aug 26 07:58:23 tatatest2 /usr/local/sbin/opensips[19419]: 
> INFO:auth_db:mod_init: initializing...
>
> Aug 26 07:58:23 tatatest2 /usr/local/sbin/opensips[19419]: 
> INFO:core:probe_max_receive_buffer: using a UDP receive buffer of 512 kb
>
> load_balance() is called from main route the following way-
>
> if (load_balance("1","vm"))
>
> {
>
> xlog("L_NOTICE", "Loadbalancer: route:method ($rm) r-uri ($ru) : 
> Contact : $ct  :callID $ci: destination: $du\n");
>
> t_on_failure("3");
>
> t_on_reply("1");
>
> t_relay();
>
> }
>
> else
>
> {
>
> xlog("L_NOTICE", "Loadbalancer: route:method ($rm) r-uri ($ru) : 
> Contact : $ct  :callID $ci: FAILED $retcode\n");
>
> t_reply("500", "Service unavailable");
>
> }
>
> The function always fails and I couldn't figure out why.
>
> What am I doing wrong?
>
> Thanks,
>
> Anshuman
>
>
>
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