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https://issues.apache.org/jira/browse/GUACAMOLE-1322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17351353#comment-17351353
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Mike Jumper commented on GUACAMOLE-1322:
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{quote}
Also the saml extension doesn't seem to be part of the docker image.
{quote}
Only extensions that are already supported by the image's environment variables
will be present in the image.
{quote}
Trying to add it via volume to /root/.guacamole/extensions folder leads to
errors of the startup script trying to delete the guacamole home folder
(ressource busy).
{quote}
You cannot do this - the entirety of {{/root/.guacamole/}} is automatically
generated at image startup. Instead:
# Mount your own {{GUACAMOLE_HOME}} template directory somewhere _not already
used by the image_
# Set the {{GUACAMOLE_HOME}} environment variable to point to that directory
The image will then copy the contents of your template {{GUACAMOLE_HOME}}
hierarchy into its own {{/root/.guacamole/}} during startup to use as the basis
for its configuration, including any properties in {{guacamole.properties}}.
See:
http://guacamole.apache.org/doc/gug/guacamole-docker.html#guacamole-docker-guacamole-home
> SAML environment variables
> --------------------------
>
> Key: GUACAMOLE-1322
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-1322
> Project: Guacamole
> Issue Type: Improvement
> Components: guacamole-docker
> Affects Versions: 1.3.0
> Reporter: Pazniak Mikhail
> Priority: Major
>
> Please add handling of SAML extension related environment variables
> (saml-idp-metadata-url, saml-idp-url, saml-entity-id, saml-callback-url,
> saml-group-attribute, ...) to the entrypoint shell script of the official
> Docker image.
> Thanks.
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