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
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