This works:

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

l8r

From: [email protected] 
[mailto:[email protected]] 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 
<[email protected]<mailto:[email protected]>> 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 
<[email protected]<mailto:[email protected]>> 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 
<[email protected]<mailto:[email protected]>> 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 
<[email protected]<mailto:[email protected]>> 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 
<[email protected]<mailto:[email protected]>> wrote:
define(`_OPENSER_HOST',`regexp(esyscmd(`hostname -f'),`\<.+\>',\&)')dnl
...
alias="_OPENSER_HOST"

Take special note of the backquote (`).

From: [email protected]<mailto:[email protected]> 
[mailto:[email protected]<mailto:[email protected]>]
 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 
<[email protected]<mailto:[email protected]>> 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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