[SR-Users] Kamailio Asterisk integration with docker DNS Problem

Amir gheshlaghy at gmail.com
Sun Jul 14 12:26:00 CEST 2019


Sorry for mistyping :
I can make it work like this:
Start Kamailio first Then start asterisk containers Then restart *KAMAILIO*


On Sun, Jul 14, 2019 at 2:50 PM Amir <gheshlaghy at gmail.com> wrote:

> Hi Henning
> Thank you for clearing that up, I have 3 problem which you have mentioned
> 2 of them:
> - because of the missing DNS entry your Kamailio would not (re)start
> properly: I tried flag 16  as you mentioned but still dose not work
> 1 sip:asterisk:7060 16
> 1 sip:asterisk2:7060 16
> 1 sip:asterisk3:7060 16
> - because of the missing DNS entry the dispatcher module would not detect
> the asterisk server as "down"
> - because of the missing DNS entry my Asterisks would not (re)start
> properly
> maybe I should try asterisk realtime for the last problem
>
> I can make it work like this:
> Start Kamailio first Then start asterisk containers Then restart astersik
>
> Cheers
> Amir
>
>
> On Sun, Jul 14, 2019 at 1:31 PM Henning Westerholt <hw at skalatan.de> wrote:
>
>> Hello Amir,
>>
>> what is your issue exactly:
>>
>> - because of the missing DNS entry the dispatcher module would not detect
>> the asterisk server as "down"
>>
>> - because of the missing DNS entry your Kamailio would not (re)start
>> properly
>>
>> You could try with flag 16 to disable DNS resolution at startup in your
>> dispatcher file:
>>
>>
>> https://kamailio.org/docs/modules/5.2.x/modules/dispatcher.html#idm1020020140
>>
>> Cheers,
>>
>> Henning
>> Am 14.07.19 um 09:33 schrieb Amir:
>>
>> I do not have a DNS server, Docker User-defined networks has it's own
>> built in DNS server,
>> The problem is when I stop a container its DNS record would be deleted
>> and therefore kamailio server could not check server health.
>> I think if I could tell kamailio server that IF you did not find a DNS
>> record it means that a server is down my solution would work.
>>
>> On Sat, Jul 13, 2019 at 10:56 PM Mojtaba <mespio at gmail.com> wrote:
>>
>>> Hello,
>>> Did you add SRV record for each server in your DNS server?
>>>
>>> On Sat, Jul 13, 2019 at 6:07 PM Fred Posner <fred at palner.com> wrote:
>>> >
>>> > The error indicates kamailio can not resolve the location of
>>> asterisk2. Try checking the dns (can you resolve it on the kamailio box?)
>>> or using the IP.
>>> >
>>> > -- Fred
>>> >
>>> >
>>> > On Jul 13, 2019, at 07:09, Amir <gheshlaghy at gmail.com> wrote:
>>> >
>>> > Hi
>>> > I have created a kamailio container with docker and two asterisk
>>> container
>>> > And this is my dispatcher list:
>>> > 1 sip:asterisk:5060
>>> > 1 sip:asterisk2:5060
>>> > and this is my both asterisk SIP.conf
>>> > [Kamailio]
>>> > host=kamailio
>>> > port=5060
>>> > insecure=invite
>>> > type=friend
>>> > context=from-internal
>>> >
>>> > The problem is that I use User-defined networks which has its own DNS
>>> > when a container starts a dns record would be set
>>> > If I start a kamailio first then start two asterisks the asterisk
>>> works fine
>>> > because the name "kamailio" has been set in docker dns
>>> > but I should restart the kamailio because at startup It could not
>>> resolve astersik dns records
>>> > after the everything works fine but if the any of the asterisk
>>> instances crash/stop kamailio
>>> > can not detect that because a dns record would not be available:
>>> >
>>> > 17(22) ERROR: <core> [core/resolve.c:1684]: sip_hostport2su(): could
>>> not resolve hostname: "asterisk2"
>>> > 17(22) ERROR: tm [ut.h:309]: uri2dst2(): failed to resolve "asterisk2"
>>> > 17(22) ERROR: tm [uac.c:452]: t_uac_prepare(): no socket found
>>> > 17(22) ERROR: dispatcher [dispatch.c:3110]: ds_ping_set(): unable to
>>> ping [sip:asterisk2:5060]
>>> >
>>> >
>>> > It is kind of loop , I think maybe I can fix asterisk problem with
>>> asterisk realtime and
>>> > set the sip.conf in database.
>>> > anyone has any suggestion for this problem?
>>> >
>>> > _______________________________________________
>>> > Kamailio (SER) - Users Mailing List
>>> > sr-users at lists.kamailio.org
>>> > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>> >
>>> > _______________________________________________
>>> > Kamailio (SER) - Users Mailing List
>>> > sr-users at lists.kamailio.org
>>> > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>
>>>
>>>
>>> --
>>> --Mojtaba Esfandiari.S
>>>
>>> _______________________________________________
>>> Kamailio (SER) - Users Mailing List
>>> sr-users at lists.kamailio.org
>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>
>>
>> _______________________________________________
>> Kamailio (SER) - Users Mailing Listsr-users at lists.kamailio.orghttps://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
>> --
>> Henning Westerholt - https://skalatan.de/blog/
>> Kamailio services - https://skalatan.de/services
>>
>>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.kamailio.org/pipermail/sr-users/attachments/20190714/f8cb5afe/attachment.html>


More information about the sr-users mailing list