GJL commented on a change in pull request #6496: [FLINK-10063][tests] Use runit
to supervise mesos processes.
URL: https://github.com/apache/flink/pull/6496#discussion_r208608118
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File path: flink-jepsen/docker/Dockerfile-db
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@@ -35,5 +35,12 @@ RUN mkdir -p /root/.ssh/ && \
chmod 600 /root/.ssh/authorized_keys && \
cat /root/id_rsa.pub >> /root/.ssh/authorized_keys
+COPY sshd-run /etc/sv/service/sshd/run
+RUN chmod +x /etc/sv/service/sshd/run && \
+ ln -sf /etc/sv/service/sshd /etc/service
+
EXPOSE 22
-CMD exec /usr/sbin/sshd -D
+
+# Start runit process supervisor which will bring up sshd.
+# In our tests we can use runit to supervise more processes, e.g., Mesos.
+CMD runsvdir -P /etc/service /dev/null > /dev/null
Review comment:
Yes is needed. It only redirects std err:
> If the log argument is given to runsvdir, all output to standard error is
redirected to this log
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