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rancher / kim

In ur kubernetes, buildin ur imagez
Apache License 2.0
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support for running kim in a k3s container #40

Closed dweomer closed 3 years ago

dweomer commented 3 years ago

With kim binding to the containerd it is running under, buildkit requires some bidirectional mounting under /tmp, /var/lib/buildkit, and /var/lib/rancher (because the containerd persistent root lives under here). Because these are bind mounts from the "host" we can know where they are located on disk and we leverage that in some init containers to attempt to nsenter into the host pid+mount namespaces to make these locations shared. The mount --make-rshared attempts can fail silently without prevent kim from working as expected so long as the actual locations on disk are under shared/rshared mountpoints.

Signed-off-by: Jacob Blain Christen jacob@rancher.com

dweomer commented 3 years ago

These changes should also mitigate #38