[QGIS-Developer] reload QGIS Server plugin

Fri Apr 30 07:26:29 PDT 2021

No, no,  no - this is not the way to do it. You don't need to manually 
kill processes.

You need proper startup scripts to properly solve this. Did you follow 
the advice from 
https://docs.qgis.org/3.16/en/docs/server_manual/getting_started.html#nginx-http-server 
with spawn-fcgi or ?

In case of Apache FCGI is started from within the Web server, in case of 
NGINX they run independently. You need to use something like spawn-fcgi 
or fcgiwrap.

How does your complete .service file or startup script look like?

Greetings,

Andreas

On 2021-04-30 16:10, michal.wloga at envirosolutions.pl wrote:

> Dear All,
> I have found a workaround. Killing all working QGIS Server processes 
> works. Nginx will recreate new ones with refreshed resources.
> 
>> sudo pkill qgis_mapserv
> 
> Regards,
> 
> EnviroSolutions Sp. z o. o.
> Michał Włoga
> tel: +48 607 059 157
> coo at envirosolutions.pl
> www.envirosolutions.pl [1]
> 
> Pobieracz Danych GUGiK [2] - laureat nagrody GUGiK na najlepsze 
> wykorzystanie danych i usług GUGiK w 2020 r.
> 
> From: QGIS-Developer [mailto:qgis-developer-bounces at lists.osgeo.org] On 
> Behalf Of michal.wloga at envirosolutions.pl
> Sent: Friday, April 30, 2021 3:31 PM
> To: 'Andreas Neumann' <a.neumann at carto.net>
> Cc: 'qgis-developer' <qgis-developer at lists.osgeo.org>
> Subject: Re: [QGIS-Developer] reload QGIS Server plugin
> 
> Neither. Restarting/realoading nginx does not terminate active qgis 
> server processes. At least with my nginx configuration:
> 
> upstream qgis-server_backend {
> 
> server unix:/var/run/qgis-server-1.sock;
> 
> server unix:/var/run/qgis-server-2.sock;
> 
> server unix:/var/run/qgis-server-3.sock;
> 
> server unix:/var/run/qgis-server-4.sock;
> 
> }
> 
> Regards,
> 
> EnviroSolutions Sp. z o. o.
> Michał Włoga
> tel: +48 607 059 157
> coo at envirosolutions.pl
> www.envirosolutions.pl [1]
> 
> Pobieracz Danych GUGiK [2] - laureat nagrody GUGiK na najlepsze 
> wykorzystanie danych i usług GUGiK w 2020 r.
> 
> From: Andreas Neumann [mailto:andreas at qgis.org]
> Sent: Friday, April 30, 2021 3:11 PM
> To: michal.wloga at envirosolutions.pl
> Cc: Andreas Neumann <a.neumann at carto.net>; qgis-developer 
> <qgis-developer at lists.osgeo.org>
> Subject: Re: [QGIS-Developer] reload QGIS Server plugin
> 
> Hi Michał,
> 
> Which one does not work? The "reload" or the "restart" command?
> 
> The latter should definitely work - otherwise I am really puzzled ...
> 
> Greetings,
> 
> Andreas
> 
> On Fri, 30 Apr 2021 at 14:54, <michal.wloga at envirosolutions.pl> wrote:
> 
> Hi Andreas,
> 
> Unfortunately your approach does not work (mine also).
> 
> Some threads of QGIS Server have not updated a plugin so that I'm 
> receiving different responses from QGIS Server when using different 
> sockets.
> 
> Regards,
> 
> EnviroSolutions Sp. z o. o.
> Michał Włoga
> tel: +48 607 059 157
> coo at envirosolutions.pl
> www.envirosolutions.pl [1]
> 
> Pobieracz Danych GUGiK [2] - laureat nagrody GUGiK na najlepsze 
> wykorzystanie danych i usług GUGiK w 2020 r.
> 
> From: Andreas Neumann [mailto:a.neumann at carto.net]
> Sent: Wednesday, April 28, 2021 9:11 AM
> To: michal.wloga at envirosolutions.pl
> Cc: qgis-developer at lists.osgeo.org
> Subject: Re: [QGIS-Developer] reload QGIS Server plugin
> 
> Hi,
> 
> No - "_systemctl daemon-reload_" is only useful and recommended if you 
> change something in your daemon/service configuration, which is not the 
> case when you want to reload a QGIS server plugin.
> 
> It should be enough to reload or restart your webserver:
> 
> systemctl reload nginx
> 
> or
> 
> systemctl restart nginx
> 
> or whatever the nginx webserver daemon is called on your system.
> 
> Greetings,
> 
> Andreas
> 
> On 2021-04-28 08:43, michal.wloga at envirosolutions.pl wrote:
> 
> Regarding to my question I found an answer:
> 
> The following command seems to be sufficient:
> 
> _systemctl daemon-reload_
> 
> Regards,
> 
> EnviroSolutions Sp. z o. o.
> Michał Włoga
> tel: +48 607 059 157
> coo at envirosolutions.pl
> www.envirosolutions.pl [1]
> 
> Pobieracz Danych GUGiK [2] - laureat nagrody GUGiK na najlepsze 
> wykorzystanie danych i usług GUGiK w 2020 r.
> 
> From: QGIS-Developer [mailto:qgis-developer-bounces at lists.osgeo.org] On 
> Behalf Of michal.wloga at envirosolutions.pl
> Sent: Wednesday, April 28, 2021 8:12 AM
> To: qgis-developer at lists.osgeo.org
> Subject: [QGIS-Developer] reload QGIS Server plugin
> 
> Hello,
> 
> I have QGIS Server installed on ubuntu 20 with nginx + sockets. Is 
> there a way to reload a server plugin other than restarting the host?
> 
> Regards,
> 
> EnviroSolutions Sp. z o. o.
> Michał Włoga
> tel: +48 607 059 157
> coo at envirosolutions.pl
> www.envirosolutions.pl [1]
> 
> Pobieracz Danych GUGiK [2] - laureat nagrody GUGiK na najlepsze 
> wykorzystanie danych i usług GUGiK w 2020 r.
> 
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--

--
Andreas Neumann

QGIS.ORG [3] board member (treasurer)

Links:
------
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[2] 
https://www.envirosolutions.pl/news/118/129/Wtyczka-QGIS---Pobieracz-Danych-GUGiK.html
[3] http://QGIS.ORG
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