Hi, Ravitez!
You have my answers inline.
Best regards,
Răzvan Crainea
OpenSIPS Solutions
www.opensips-solutions.com
On 05/14/2017 12:01 AM, Ravitez Ravi wrote:
Hi All,
I’m trying to run opensips with load balancer module but it fails to
come up. Below are details of what I have done and been trying. My
questions are in */bold italics and highlighted in yellow/*. Request
you to take a look and help.
*_Objective:_* Install OpenSIPS 1.11.10 with TLS on RHEL 6.5 for load
balancing SIP traffic
*_Procedure followed:_*
1.Download and install OpenSIPS1.11.10 on RHEL 6.5 with default
configuration:
a.Downloaded
http://opensips.org/pub/opensips/1.11.10/opensips-1.11.10-tls.tar.gz
b.Un-tar and un-zip the downloaded file
c.Go to opensips-1.11.10-tls folder, ran make menuconfig, select
Compile And Install OpenSIPS and followed by Exit & Save All Changes
d.Run opensips on command line, ensure the opensips process is running
using ‘ps -ef | grep opensips’ command and stop the process using
‘killall opensips’
2.Get necessary dependencies straightened out for load balancer as
mentioned in section 1.4 in
http://www.opensips.org/html/docs/modules/1.11.x/load_balancer.html
a.The section lists the following OpenSIPS modules: i) /Dialog/ –
Dialog module, ii) /Dialog/ – TM module, iii) /database/ – one of the
DB modules.
b.I did not see any specific dialog module either in Configure Compile
Flags or Configure Excluded Modules, however, I could see
/usr/local/lib64/opensips/modules/dialog.so and assumed this is the
intended module. */Not sure if it covers both Dialog and TM. Please
clarify./*
dialog.so only covers the dialog module. tm.so implements the
transaction module, so in your config you have to compile and load both
modules. If you are not doing any custom compile & install, these two
modules are built and installed by default.
*//*
c.I selected db_mysql from Configure Excluded Modules and got a
message “You have enabled the 'db_mysql' module, so please install '
development libraries of mysql-client , typically libmysqlclient-dev'”
while saving. I could not find the RPM for RHEL. The closed I could
find is libmysqlclient16-devel-5.1.69-1.w6.x86_64.rpm which fails to
get installed. */Am I in right path here? Please advise./*
Try to install mysql-devel. This package should provide all the
development libraries for mysql. libmysqlclient-devel is used on a
debian system.
d.I was following an example mentioned section 3.2 in
http://www.opensips.org/Documentation/Tutorials-LoadBalancing.
The section shows following modules to be loaded:
loadmodule "modules/maxfwd/maxfwd.so"
loadmodule "modules/sl/sl.so"
loadmodule "modules/db_mysql/db_mysql.so"
loadmodule "modules/tm/tm.so"
loadmodule "modules/xlog/xlog.so"
loadmodule "modules/uri/uri.so"
loadmodule "modules/rr/rr.so"
loadmodule "modules/dialog/dialog.so"
loadmodule "modules/mi_fifo/mi_fifo.so"
loadmodule "modules/mi_xmlrpc/mi_xmlrpc.so"
loadmodule "modules/signaling/signaling.so"
loadmodule "modules/textops/textops.so"
loadmodule "modules/load_balancer/load_balancer.so"
However, the sub-directories mentioned in above list is not seen on my
file system after OpenSIPS installation, yet I see some of the above
list shared libraries under /usr/local/lib64/opensips/modules. */Hope
this is ok./*
That example is relative to the sources code. In your setup you should
either set the default path to the modules (using mpath), or specify the
full path of the so. I guess you've done the second thing, which should
be ok.
e.The defaults opensips.cfg provided includes most of the above listed
modules, but the below libraries were missing which are needed for
load balancer:
loadmodule "modules/dialog.so"
loadmodule "modules/textops.so"
loadmodule "modules/load_balancer/load_balancer.so"
loadmodule "modules/db_mysql/db_mysql.so"
loadmodule "modules/xlog/xlog.so"
loadmodule "modules/mi_xmlrpc/mi_xmlrpc.so
I was able to successfully start opensips after loading dialog.so and
textops.so, however, opensips refuses to start when I load
load_balancer.so with following error:
May 13 16:40:18 kuat opensips: INFO:core:shm_mem_init: allocating SHM
block
May 13 16:40:18 kuat opensips[22969]: NOTICE:core:main: version:
opensips 1.11.10-tls (x86_64/linux)
May 13 16:40:18 kuat opensips[22969]: INFO:core:main: using 32 Mb
shared memory
May 13 16:40:18 kuat opensips[22969]: INFO:core:main: using 2 Mb
private memory per process
May 13 16:40:18 kuat opensips[22969]: INFO:core:evi_publish_event:
Registered event <E_CORE_THRESHOLD(0)>
May 13 16:40:18 kuat opensips[22969]: INFO:core:evi_publish_event:
Registered event <E_CORE_SHM_THRESHOLD(1)>
May 13 16:40:18 kuat opensips[22969]: INFO:core:evi_publish_event:
Registered event <E_CORE_PKG_THRESHOLD(2)>
May 13 16:40:18 kuat opensips[22969]: NOTICE:signaling:mod_init:
initializing module ...
May 13 16:40:18 kuat opensips[22969]: INFO:sl:mod_init: Initializing
StateLess engine
May 13 16:40:18 kuat opensips[22969]: INFO:tm:mod_init: TM -
initializing...
May 13 16:40:18 kuat opensips[22969]: INFO:rr:mod_init: rr - initializing
May 13 16:40:18 kuat opensips[22969]: INFO:maxfwd:mod_init:
initializing...
May 13 16:40:18 kuat opensips[22969]: INFO:sipmsgops:mod_init:
initializing...
May 13 16:40:18 kuat opensips[22969]: INFO:usrloc:ul_init_locks: locks
array size 512
May 13 16:40:18 kuat opensips[22969]: INFO:core:evi_publish_event:
Registered event <E_UL_AOR_INSERT(3)>
May 13 16:40:18 kuat opensips[22969]: INFO:core:evi_publish_event:
Registered event <E_UL_AOR_DELETE(4)>
May 13 16:40:18 kuat opensips[22969]: INFO:registrar:mod_init:
initializing...
May 13 16:40:18 kuat opensips[22969]: INFO:acc:mod_init: initializing...
May 13 16:40:18 kuat opensips[22969]: INFO:core:evi_publish_event:
Registered event <E_ACC_EVENT(5)>
May 13 16:40:18 kuat opensips[22969]: INFO:core:evi_publish_event:
Registered event <E_ACC_CDR(6)>
May 13 16:40:18 kuat opensips[22969]: INFO:core:evi_publish_event:
Registered event <E_ACC_MISSED_EVENT(7)>
May 13 16:40:18 kuat opensips[22969]: INFO:dialog:mod_init: Dialog
module - initializing
May 13 16:40:18 kuat opensips[22969]: INFO:textops:mod_init:
initializing...
May 13 16:40:18 kuat opensips[22969]: INFO:load_balancer:mod_init:
Load-Balancer module - initializing
*May 13 16:40:18 kuat opensips[22969]: ERROR:load_balancer:mod_init:
DB URL is not defined!*
*May 13 16:40:18 kuat opensips[22969]: ERROR:core:init_mod: failed to
initialize module load_balancer*
*May 13 16:40:18 kuat opensips[22969]: ERROR:core:main: error while
initializing modules*
May 13 16:40:18 kuat opensips[22969]: INFO:core:cleanup: cleanup
May 13 16:40:18 kuat opensips: INFO:core:daemonize: pre-daemon process
exiting with -1
*/Looks like this is due to DB module. Is this correct?/*
Yes. Most probably you haven't complied the db_mysql module, due to the
fact that you didn't install the mysql-devel package.
*//*
f.I do not see following shared libraries. */Please let me know which
modules should I load to get them./*
loadmodule "modules/db_mysql/db_mysql.so"
This should be built and installed after installing mysql-devel package.
Also, make sure you have db_mysql selected in after you run 'make
menuconfig'.
loadmodule "modules/xlog/xlog.so"
The xlog module no loger exists (since 1.6 I think). The functions have
been moved in opensips core.
loadmodule "modules/mi_xmlrpc/mi_xmlrpc.so"
This module has been replaced by the mi_xmlrpc_ng module.
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