On 11/1/2023 7:43 AM, Víctor J. Sánchez wrote:
Hi all,
I'm using Apache Guacamole 1.5.3 with a docker container. I need to
change several settings as user-mapping.xml, guacamole.properties or
include new extensions i.e. change my custom GUACAMOLE_HOME and keep it
accross docker restarts.
The command I use to start Guacamole in docker is:
docker run --name mymachine-guacamole --restart unless-stopped --link
mymachine-guacd:guacd -e GUACAMOLE_HOME=/etc/guacamole -v
guacamole-home:/etc/guacamole -d -p 8080:8080 guacamole/guacamole:latest
Firstly I created the docker volume guacamole-home with my persistent
Guacamole settings.
When I watch the docker logs I see between other lines:
...
11:37:54.419 [localhost-startStop-1] INFO
o.a.g.environment.LocalEnvironment - GUACAMOLE_HOME is
"/home/guacamole/.guacamole".
11:37:54.523 [localhost-startStop-1] INFO
o.a.g.GuacamoleServletContextListener - Read configuration parameters
from "/home/guacamole/.guacamole/guacamole.properties".
...
So I don't know why GUACAMOLE_HOME isn't changed before Tomcat starts or
the start.sh script doesn't take into account. Moreover the start.sh
script always cleans GUACAMOLE_HOME at start.
The "guacamole/guacamole" Docker image uses the "GUACAMOLE_HOME"
environment variable to define a template that is used for the actual
GUACAMOLE_HOME seen by the webapp, which in the image is always
"~/.guacamole" of the Tomcat service.
If specified, the contents of "GUACAMOLE_HOME" are copied over to
"~/.guacamole" and used as the basis for the rest of the configuration,
which is generated from environment variables.
See:
https://guacamole.apache.org/doc/gug/guacamole-docker.html#custom-extensions-and-guacamole-home
Your changes will persist across restarts since the true configuration
directory is entirely regenerated from the template you provide each
time the image starts. If your template is consistent, so will be the
configuration of the container. If your template changes, those changes
will take effect after next restart.
- Mike
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