Max Neunhöffer created MESOS-3413:
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Summary: Docker containerizer does not symlink persistent volumes
into sandbox
Key: MESOS-3413
URL: https://issues.apache.org/jira/browse/MESOS-3413
Project: Mesos
Issue Type: Bug
Components: containerization, docker, slave
Affects Versions: 0.23.0
Reporter: Max Neunhöffer
For the ArangoDB framework I am trying to use the persistent primitives. nearly
all is working, but I am missing a crucial piece at the end: I have
successfully created a persistent disk resource and have set the persistence
and volume information in the DiskInfo message. However, I do not see any way
to find out what directory on the host the mesos slave has reserved for us. I
know it is ${MESOS_SLAVE_WORKDIR}/volumes/roles/<myRole>/<NAME>_<UUID> but we
have no way to query this information anywhere. The docker containerizer does
not automatically mount this directory into our docker container, or symlinks
it into our sandbox. Therefore, I have essentially no access to it. Note that
the mesos containerizer (which I cannot use for other reasons) seems to create
a symlink in the sandbox to the actual path for the persistent volume. With
that, I could mount the volume into our docker container and all would be well.
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