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<p>Hi Luke,</p>
<p>Real time processing of the logs and dispatch based on those
C-???? values into a database of sorts then I reckon. You will
probably still need some way to link C-???? to the CDR entries,
but that IMHO is optional depending on how your support process.<br>
<br>
<br>
</p>
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<p>Kind Regards,<br>
Jaco<br>
<br>
On 2023/01/18 16:33, Luke Escudé wrote:<br>
</p>
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<blockquote type="cite"
cite="mid:SA0PR18MB3647954471EDE5C807C6900ABEC79@SA0PR18MB3647.namprd18.prod.outlook.com">
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<div class="elementToProof"><span style="font-family: Calibri,
Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0,
0, 0); background-color: rgb(255, 255, 255);"
class="elementToProof">In our case, we've managed to turn
Asterisk into a Docker container, so we can scale up/out as
much as needed.</span></div>
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<div class="elementToProof" style="font-family: Calibri, Arial,
Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);
background-color: rgb(255, 255, 255);">
Interestingly, after running about 500 containers in production
(500 asterisk instances) we've found that there's a lot of
untapped power in the smaller containers, so we ended up
designing our PBX web portal and our dial plan to be
multi-tenant.</div>
<div class="elementToProof" style="font-family: Calibri, Arial,
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So, effectively, we can stick about 20 customers (roughly 100 to
400 SIP endpoints total) on a single Asterisk docker container
without breaking a sweat.</div>
<div class="elementToProof" style="font-family: Calibri, Arial,
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The main issue now is trying to filter the real-time console
output - We don't give customers access to any of that of
course, just filtered logs and events via our web portal, which
is permissions-based - so that a technician can diagnose a
possible call flow failure without having to grep through tons
of information.</div>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt"
face="Calibri, sans-serif" color="#000000"><b>From:</b> Jaco
Kroon <a class="moz-txt-link-rfc2396E" href="mailto:jaco@uls.co.za"><jaco@uls.co.za></a><br>
<b>Sent:</b> Wednesday, January 18, 2023 1:31 AM<br>
<b>To:</b> Asterisk Developers Mailing List
<a class="moz-txt-link-rfc2396E" href="mailto:asterisk-dev@lists.digium.com"><asterisk-dev@lists.digium.com></a>; Luke Escudé
<a class="moz-txt-link-rfc2396E" href="mailto:luke@primevox.net"><luke@primevox.net></a><br>
<b>Subject:</b> Re: [asterisk-dev] Logging and multi-tenancy</font>
<div> </div>
</div>
<div>
<p>Hi Luke,</p>
<p><br>
</p>
On 2022/12/23 18:48, Luke Escudé wrote:<br>
<blockquote type="cite">
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So, it's possible to achieve multi-tenancy in Asterisk with
well-designed dial plan. By multi-tenancy, in terms of
Asterisk, I mean each "customer" has their own separate dial
plan, and each customer cannot "see" another.</div>
</blockquote>
<p>As long as each "customer" has their own "endpoint" details
(for whatever protocol they use to connect), yes, this is
technically possible. There are other risks associated, eg,
if you give them access to AMI or even to the CLI ... how do
you control data visibility? This just gets very, very risky.<br>
</p>
<p><br>
</p>
<p>Given that a well tuned asterisk instance can use sub 100MB
of RAM ... I don't see the problem with running an asterisk
instance per tenant. Eliminates most of the above concerns,
and if you do it right, pretty much all of the issues just
goes away. The one serious downside is that you need to bind
each one to a different IP ... which is also not a major
problem, one idea around this is to use a SIP proxy to
dispatch to the correct "private" IP based on the registered
to realm.<br>
</p>
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However, when it comes to looking at the asterisk
CLI/console, you see all the calls flowing across all dial
plans, which can be a lot to look at.</div>
</blockquote>
Correct.<br>
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What is the possibility of adding some kind of "tenancy
filtering" to CLI logging?</div>
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Extremely unlikely.<br>
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<br>
Example: At the beginning of a dial plan call, let's say
exten => s, we set LoggingTenancy(customer_id), then all
of the subsequent log messages are visible in the CLI only
if you run the "logging view tenant (x)" or something like
this.</div>
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That would make it easier to diagnose call issues on
high-volume systems.</div>
</blockquote>
<p>Agreed. We generally use the full log. So in logger.conf:</p>
<p><br>
</p>
<p>full => notice,warning,error,debug,verbose(4),dtmf,fax</p>
<p><br>
</p>
<p>Now each call will have a C-?????? tag associated with it.
So after the call has completed, find the C-????? tag (You can
for example use your LoggingTenancy idea here, but something
like Verbose(TENTANT=?????, CLI=${CALLERID(full},
DST=${EXTEN}) - this will give you something to grep for in
the full log to find C-??????, then grep C-?????? full.<br>
</p>
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I, personally, do not have the ability to implement this,
but I wanted to put it out there.</div>
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