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Docker Confluence not persisent seraph-config Edited

I'm using the latest official confluence docker image with a persistent volume for /opt and /var.

 

When I change the seraph-config.xml for Crowd SSO inside the container or directly on volume it will be overwritten after a restart and not take effect.

 

confluence_1  | INFO:root:Generating /opt/atlassian/confluence/confluence/WEB-INF/classes/seraph-config.xml from template seraph-config.xml.j2

2 answers

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Dave_Chevell Atlassian Team Sep 04, 2019

@Philipp_Kayser This file is being generated from a Jinja2 template, which can be found at /opt/atlassian/etc/seraph-config.xml.j2 inside the container. If you want to replace the template with your own template (this can contain merge fields, or can be a "normal" static file you've hand-crafted), simply overwrite the template file.

For example, to build from our image with your custom file:

FROM atlassian/confluence-server:latest
COPY seraph-config.xml /opt/atlassian/etc/seraph-config.xml.j2

You can also edit the "live" version of the template inside a running container, or copy your own file into a running container also. In other words, if you want to change it, change the template by whichever method you find most appropriate.

 

Having said that: Can you advise what changes you want to make to seraph-config.xml (I can guess, but I would like to make 100% sure).

One of our aims with our Docker images is to allow the maximum amount of from-the-environment configuration, since containers should be able to be "disposable" and configuration should always be able to be injected. If I can confirm your use case we can take a look at ways we can enable injecting the configuration you're after via a supported environment variable, which would allow you to avoid editing the file altogether

Thank you! It would be great for future to use more env-variables for the configuration like enabling crowd and sso.

I am editing the serph-config to allow for Crowd SSO. I have the serph-config set as a volume, but every time I restart the container, it overwrites the file. This seems like a bug in the Confluence container. It shouldn't overwrite the config file that I've edited from a volume. 

1 vote

Hi @Philipp_Kayser ,

Latest Official Confluence docker image - just to confirm, are you referring to https://hub.docker.com/r/atlassian/confluence-server

docker pull atlassian/confluence-server

Tested by starting Atlassian Confluence following the Quick Start from Docker Hub link above:

docker run -v /data/your-confluence-home:/var/atlassian/application-data/confluence --name="confluence" -d -p 8090:8090 -p 8091:8091 atlassian/confluence-server

If so, could you please confirm if the seraph-config.xml file you are modified preserves its original user and group permission, meaning that if you run the following command:

docker exec -it confluence /bin/bash -c "ls -l /opt/atlassian/confluence/confluence/WEB-INF/classes/seraph-config.xml"

Do you seen root root for seraph-config.xml?

-rw-r--r-- 1  root root   2841 Sep  4 13:44 seraph-config.xml

Kind regards,
Rafael

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