Thank you Fred, Yes I think I would go for that. On Sun, Jul 14, 2019 at 6:06 PM Fred Posner <[email protected]> wrote:
> All of these seem like hacks to resolve the problem of you not being able > to resolve the hostname. > > Perhaps there’s a docker setting or dns you can use to provide stability > or investigate why the host isn’t being resolved. > > If the host doesn’t exist when you start kamailio then clearly it will be > down and a better way would be to add the dispatcher entries when the host > exists and reload. > > If you search for kamailio and docker, Sean McCord has discussed this at > both astricon and kamailio world. > > -- Fred > > > > On Jul 14, 2019, at 09:20, David Villasmil <[email protected]> > wrote: > > If the dns resolution fails, don’t you get the event route > dispatcher:dst-down > fired? > You could use that route to remove the entry from the dispatcher list. > > David > > On Sun, 14 Jul 2019 at 12:29, Amir <[email protected]> wrote: > >> Thank you, Maybe I should develop a health check mechanism and save the >> result in kamailio db and after that: >> kamctl dispatcher reload >> >> On Sun, Jul 14, 2019 at 3:23 PM Sergey Safarov <[email protected]> >> wrote: >> >>> as option you can reload dispatcher table instead of kamailio restart. >>> kamctl dispatcher reload >>> >>> >>> >>> On Sun, Jul 14, 2019 at 1:27 PM Amir <[email protected]> wrote: >>> >>>> 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 <[email protected]> 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 <[email protected]> >>>>> 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 <[email protected]> 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 <[email protected]> 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 <[email protected]> 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 >>>>>>> > [email protected] >>>>>>> > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>>>> > >>>>>>> > _______________________________________________ >>>>>>> > Kamailio (SER) - Users Mailing List >>>>>>> > [email protected] >>>>>>> > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> --Mojtaba Esfandiari.S >>>>>>> >>>>>>> _______________________________________________ >>>>>>> Kamailio (SER) - Users Mailing List >>>>>>> [email protected] >>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> Kamailio (SER) - Users Mailing >>>>>> [email protected]https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>>> >>>>>> -- >>>>>> Henning Westerholt - https://skalatan.de/blog/ >>>>>> Kamailio services - https://skalatan.de/services >>>>>> >>>>>> _______________________________________________ >>>> Kamailio (SER) - Users Mailing List >>>> [email protected] >>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>> >>> _______________________________________________ >>> Kamailio (SER) - Users Mailing List >>> [email protected] >>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>> >> _______________________________________________ >> Kamailio (SER) - Users Mailing List >> [email protected] >> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >> > -- > Regards, > > David Villasmil > email: [email protected] > phone: +34669448337 > > _______________________________________________ > Kamailio (SER) - Users Mailing List > [email protected] > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users > > _______________________________________________ > Kamailio (SER) - Users Mailing List > [email protected] > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >
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