[OpenSIPS-Users] Config include file

[Pauba, Kevin L]

Oh, I forgot to answer you're last question ...

The 'dnl' deletes the newline after the 'define'.  The solution I just posted takes the output from the curl command and trims off the newline.   The regexp() m4 command seems like a little overkill but I didn't find a better way to do it.

I have a very complex (but powerful) m4 configuration that supports 6 different production sites.  It allows me to maintain a single configuration that it tailored each site by a simple m4 command during installation.  Yes, the quoting in m4 can be hairy but I've found it to be much more effective than using bash, perl or python.

Hope that helps!

From: users-bounces at lists.opensips.org [mailto:users-bounces at lists.opensips.org] On Behalf Of Daniel Goepp
Sent: Thursday, September 30, 2010 4:45 PM
To: OpenSIPS users mailling list
Subject: Re: [OpenSIPS-Users] Config include file

Sorry for asking an m4 question here, but it kinda relates to getting a config going for OpenSIPS, and you guys seem to know all about it ;)  I almost have my test working here, very simple to start:

My m4 file:

define(`_OPENSER_HOST',esyscmd(`curl -s http://checkip.dyndns.org/ | grep -o "[[:digit:].]\+"'))dnl
advertise_address="_OPENSER_HOST"

But this generates:

advertise_address="67.218.120.85
"

My understanding from reading the m4 page is that dnl should be trimming the carriage return on the end of the curl response.  But it doesn't appear to be.  Thoughts?

Thanks

-dg

On Thu, Sep 30, 2010 at 1:49 PM, Daniel Goepp <dan at goepp.net<mailto:dan at goepp.net>> wrote:
Just found this:

http://snippets.dzone.com/posts/show/7256

Which has:

curl -s http://checkip.dyndns.org/ | grep -o "[[:digit:].]\+"

It works!

So I'm thinking combining this with uname -a, you guys might have a better solution here.  Going to test now :)

Thanks!

-dg


On Thu, Sep 30, 2010 at 1:43 PM, Daniel Goepp <dan at goepp.net<mailto:dan at goepp.net>> wrote:
I'm definitely familiar with back tick and how this command works, I was just mentioning that the information I need to provide, the system doesn't know.  I could however merge some of these comments, and just have a file on each server that is it's public ip, and execute `cat my_public_ip.txt`  However, after more investigation, some of our boxes do have other differences, for example I just noticed that our 64bit vs 32bit systems have different mpaths.  I'm sure we could get more fancy with executing these commands, check the OS, and set accordingly.  This is very useful information, but for simplicity for now, I think we'll just stick with the original m4 suggestion.

Thanks all.

-dg


On Thu, Sep 30, 2010 at 1:23 PM, Brett Nemeroff <brett at nemeroff.com<mailto:brett at nemeroff.com>> wrote:
The point is, inside the ticks `` you place a shell command that returns whatever you want there.. :)
-Brett

On Thu, Sep 30, 2010 at 3:07 PM, Daniel Goepp <dan at goepp.net<mailto:dan at goepp.net>> wrote:
Unfortunately the hostname is not what we are using, but rather a public IP address which is on the other side of NAT, so the proxies are not aware of what it is.  I believe the m4 solution posted earlier will meet our need though for now, but thanks for the feedback, this is a creative solution ;)

-dg


On Thu, Sep 30, 2010 at 1:00 PM, Pauba, Kevin L <KLPauba at west.com<mailto:KLPauba at west.com>> wrote:
define(`_OPENSER_HOST',`regexp(esyscmd(`hostname -f'),`\<.+\>',\&)')dnl
...
alias="_OPENSER_HOST"

Take special note of the backquote (`).

From: users-bounces at lists.opensips.org<mailto:users-bounces at lists.opensips.org> [mailto:users-bounces at lists.opensips.org<mailto:users-bounces at lists.opensips.org>] On Behalf Of Brett Nemeroff
Sent: Thursday, September 30, 2010 12:22 PM
To: OpenSIPS users mailling list
Subject: Re: [OpenSIPS-Users] Config include file

Check out m4:
http://www.opensips.org/Resources/DocsTools

On Thu, Sep 30, 2010 at 12:19 PM, Daniel Goepp <dan at goepp.net<mailto:dan at goepp.net>> wrote:
We have many proxies that have an identical configuration other than their public IP address.  We set this IP address only for a few things:

In the global parameters:
advertised_address

Then in our routes for:
record_route_preset
rtpproxy_offer
rtpproxy_answer

What I would like to do is create a file on each of these servers (or a DB) that contains that servers public IP, and then put something like an include into the script.  This would make managing our config a lot easier.  So each system would have an identical config and could be updated very easily.  Does this make sense?  Any comments on how this might be done?

Thanks

-dg

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