[SR-Users] Kamailio in cloud environments

Mon Nov 11 06:20:52 CET 2019

How about to create set of systemd drop-in for cloud providers and then
package them?
User will simple install package like "kamailio-cfg-google"
or "kamailio-cfg-amazon" and get part of kamailio runtime config.
Please comment here
https://github.com/kamailio/kamailio/issues/2125

On Mon, Nov 11, 2019 at 8:00 AM Sergey Safarov <s.safarov at gmail.com> wrote:

> You can also update kamailio.cfg to include listeners.cfg
> Example. Need add to kamailio.cfg
>
> ####### Listeners ##########
> include_file "/var/run/kamailio/listeners-eth0.cfg"
>
> Before kamailio started you will generate listeners.cfg file.
> This may by done by drop-in file.
> Need create "/etc/systemd/system/kamailio.service.d/10-listners-eth0.conf"
> with content
> [Service]
> ExecStartPre=/bin/curl -s -S --output
> /var/run/kamailio/listeners-eth0.cfg
> http://169.254.169.254/latest/meta-data/public-ipv4
> ExecStartPre=/bin/sed --in-place --regexp-extended -e
> 's/(.*)/listen=udp:\1:5060\nlisten=tcp:\1:5060\n/'
> /var/run/kamailio/listeners-eth0.cfg
>
>
>
> On Mon, Nov 11, 2019 at 2:50 AM David Villasmil <
> david.villasmil.work at gmail.com> wrote:
>
>> That's the one, thanks @Karsten!
>>
>>
>> More info, i changed my systemd unit to execute a script when
>> starting up, like so:
>>
>> # cat /etc/systemd/system/multi-user.target.wants/kamailio.service
>> [Unit]
>> Description=Kamailio (OpenSER) - the Open Source SIP Server
>> After=network.target
>>
>> [Service]
>> Type=forking
>> Environment='CFGFILE=/etc/kamailio/kamailio.cfg'
>> Environment='SHM_MEMORY=64'
>> Environment='PKG_MEMORY=8'
>> Environment='USER=kamailio'
>> Environment='GROUP=kamailio'
>> EnvironmentFile=-/etc/default/kamailio
>> EnvironmentFile=-/etc/default/kamailio.d/*
>> # PIDFile requires a full absolute path
>> PIDFile=/var/run/kamailio/kamailio.pid
>> ExecStart=/etc/kamailio/startkam.sh
>> Restart=on-abort
>>
>> [Install]
>> WantedBy=multi-user.target
>>
>> And /etc/kamailio/startkam.sh is like:
>>
>> #!/bin/bash
>>
>> MYSQL=$(/etc/kamailio/aws-getpass.sh dev us-east-1 dburl)
>> SHM_MEMORY=64
>> PKG_MEMORY=8
>> USER=kamailio
>> GROUP=kamailio
>> CFGFILE=/etc/kamailio/kamailio.cfg
>> /usr/sbin/kamailio -P /var/run/kamailio/kamailio.pid -f $CFGFILE -m
>> $SHM_MEMORY -M $PKG_MEMORY -u $USER -g $GROUP -A "DBURL=\"$MYSQL\"" -A
>> "CBDBURL=\"cb=>$MYSQL\"" -A "ASGDBURL=\"asg=>$MYSQL\""
>>
>> which in turn calls /etc/kamailio/aws-getpass.sh, which is the actual
>> script talking to AWS via BOTO3 to get the data i need.
>>
>> You can just change the params and use them in your kam script normally
>> like:
>>
>> modparam("acc", "db_url", DBURL )
>>
>> Hope that helps.
>>
>> Regards,
>>
>> David Villasmil
>> email: david.villasmil.work at gmail.com
>> phone: +34669448337
>>
>>
>> On Sun, Nov 10, 2019 at 9:22 PM Alex Balashov <abalashov at evaristesys.com>
>> wrote:
>>
>>> -A ... oh wow. That's savvy! Cheers.
>>>
>>> On Sun, Nov 10, 2019 at 08:51:59PM +0100, Karsten Horsmann wrote:
>>>
>>> > Hi David,
>>> >
>>> > You mean this thread from may 2019.
>>> > https://lists.kamailio.org/pipermail/sr-users/2019-May/105599.html
>>> >
>>> > Pro Tipp, search on lists.kamailio.org/pipermail/ to get your link.
>>> Great
>>> > help the mailing list archive btw.
>>> >
>>> > Cheers
>>> > Karsten
>>> >
>>> > David Villasmil <david.villasmil.work at gmail.com> schrieb am So., 10.
>>> Nov.
>>> > 2019, 19:03:
>>> >
>>> > > I needed to discover the user/pass for the dB when kamailio starts
>>> so as
>>> > > not to store it locally. I get the data via an AWS script, then start
>>> > > kamailio passing the parameters, then use of those in the script.
>>> You can
>>> > > do exactly this to get and set the current ip address.
>>> > >
>>> > > I don’t know how to share a thread from this mailing list, but
>>> search for
>>> > > the subject “ define a DBURL with SLQOPS fails” and you will find
>>> all info
>>> > > there.
>>> > >
>>> > > On Sun, 10 Nov 2019 at 17:48, Alex Balashov <
>>> abalashov at evaristesys.com>
>>> > > wrote:
>>> > >
>>> > >> On Sun, Nov 10, 2019 at 06:16:44PM +0100, Alejandro Recarey wrote:
>>> > >>
>>> > >> > Hi, I am trying to get kamailio working cloud provider,
>>> autoscaling
>>> > >> > them behind a TCP load balancer.
>>> > >> >
>>> > >> > Is there a way for kamailio to discover its Public IP at startup?
>>> Or
>>> > >> > do people generally program their own startup scripts that modify
>>> the
>>> > >> > kamailio config file before starting it?
>>> > >>
>>> > >> They generally do the latter, especially since public IP discovery
>>> > >> mechanisms tend to be specific to the cloud provider.
>>> > >>
>>> > >> But various templating mechanisms make this quite easy to do.
>>> > >>
>>> > >> --
>>> > >> Alex Balashov | Principal | Evariste Systems LLC
>>> > >>
>>> > >> Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
>>> > >> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
>>> > >>
>>> > >> _______________________________________________
>>> > >> Kamailio (SER) - Users Mailing List
>>> > >> sr-users at lists.kamailio.org
>>> > >> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>> > >>
>>> > > --
>>> > > Regards,
>>> > >
>>> > > David Villasmil
>>> > > email: david.villasmil.work at gmail.com
>>> > > phone: +34669448337
>>> > > _______________________________________________
>>> > > 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
>>>
>>>
>>> --
>>> Alex Balashov | Principal | Evariste Systems LLC
>>>
>>> Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
>>> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
>>>
>>> _______________________________________________
>>> Kamailio (SER) - Users Mailing List
>>> sr-users at lists.kamailio.org
>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>
>> _______________________________________________
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>>
>
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