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To debug a problem, I'm trying to run the eclipsecbi/jenkins-jnlp-agent
docker image on my own machine. Unfortunately, it fails to start:

$ sudo docker run -it eclipsecbi/jenkins-jnlp-agent
standard_init_linux.go:190: exec user process caused "permission denied"

The problem is that the uid_entrypoint script is mode 744, owned by root,
and thus not executable by the default user.

In the Dockerfile, change

RUN chmod u+x /usr/local/bin/uid_entrypoint && \

to

RUN chmod +x /usr/local/bin/uid_entrypoint && \

Images like ubuntu-gtk3-metacity:18.10-gtk3.24 seem tailored for building and testing UI apps.
Most of the graphical apps in Eclipse ecosystem at the moment are RCP apps or Eclipse plugins, and most (if not all do require Java and Tycho -which are part of the CBI recommended stack-). It would be convenient to have java and Maven installed in those images so they could more easily reused by many projects.

It has been added via 521fcc6 but not published for some reason on https://hub.docker.com/r/eclipsecbi/fedora-gtk3-mutter/tags .
@mbarbero any idea what goes wrong?

This image seems to have no .vnc folder (despite being configured to have one), leading to Xvnc jenkins plugin failing the build.
You can tweak this job and play with the Pipeline to add some ls here and there and see that no .vnc folder can be found where expected.

Fedora ships pure(unmodified) GTK stack making it extremely useful when having to verify and report smth upstream to GTK developers.

Using new fedora-gtk3-mutter:29-gtk3.24 image, I see /home/jenkins/workspace/testDockerXvnc@tmp/durable-3bb33cba/script.sh: line 2: /home/vnc/.vnc/passwd: Permission denied when trying to generate a password for Xvnc: https://jenkins.eclipse.org/wildwebdeveloper/job/testDockerXvnc/20/console .
So I try to remove this line about the password as it's supposed to be fixed in the Docker image directly; and I see

Starting xvnc
Executing shell script inside container [container] of pod [cbi-xvnc-test-4-fg6sm-t4cc5]
Executing command: "vncserver" ":64" "-localhost" "-nolisten" "tcp" 
exit
sh: /home/vnc/.vnc/cbi-xvnc-test-4-fg6sm-t4cc5:64.pid: Permission denied
sh: /home/vnc/.vnc/cbi-xvnc-test-4-fg6sm-t4cc5:64.log: Permission denied

cat: '/home/vnc/.vnc/cbi-xvnc-test-4-fg6sm-t4cc5:64.pid': No such file or directory

WARNING: The first attempt to start Xvnc failed, possibly because the font
catalog is not properly configured.  Attempting to determine an appropriate
font path for this system and restart Xvnc using that font path ...
sh: /home/vnc/.vnc/cbi-xvnc-test-4-fg6sm-t4cc5:64.pid: Permission denied
sh: /home/vnc/.vnc/cbi-xvnc-test-4-fg6sm-t4cc5:64.log: Permission denied

cat: '/home/vnc/.vnc/cbi-xvnc-test-4-fg6sm-t4cc5:64.pid': No such file or directory
Could not start Xvnc.

(in test job and actual "production" job).

The change that was implemented for Xvnc in 0067ca3 is actually a major regression. It seems best if it were reverted at the moment and some fixed images republished.
Former a workaround which is to run mkdir -p ${HOME}/.vnc && echo "123456" | vncpasswd -f > ${HOME}/.vnc/passwd && chmod 600 ${HOME}/.vnc/passwd during the build (for example in the Jenkinsfile) doesn't work any more.

If you need to test those images, feel free to have fun with https://jenkins.eclipse.org/wildwebdeveloper/job/testDockerXvnc

Hi!

We use the popular Syna theme for Hugo. Sadly the theme is incompatible with hugo 0.78.1 and hugo 0.81.0 which are the two versions which are currently offered by eclipsecbi/hugo_extended.

Instead we require Hugo 0.76.5.
We experience issues for quite a while, see for example these dropdowns not working: https://www.eclipse.org/ecp/emfforms/downloads/.
This is fixed with a downgrade to Hugo 0.76.5.
We also tried updating the theme and using the latest version of Hugo but sadly either doesn't work.

Can we build and push an image based on hugo 0.76.5? If yes, how do you want to go about it? For example we could open a PR for the Jenkinsfile and revert immediately after merging?

I tried to build the fedora image and run into a problem. Steps to reproduce (Mac/Linux):

git clone https://github.com/eclipse-cbi/dockerfiles.git
cd dockerfiles/
docker build fedora-gtk3-mutter/29-gtk3.24/

Step 2/11 : COPY scripts/uid_entrypoint /usr/local/bin/uid_entrypoint
COPY failed: stat /var/lib/docker/tmp/docker-builder378917498/scripts/uid_entrypoint: no such file or directory

This can be worked around by copying the scripts directory to the directory containing the Dockerfile (found a hint here).

cp -r scripts/ fedora-gtk3-mutter/29-gtk3.24/scripts

But there might be a better solution?