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kubernetes: bind /run with rshared,rbind

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Depending on the configuration/components used the system can expect to be able
to share `/var/run/netns` (=`/run/netns` via symlink) bind mounts with other
system level containers, which requires exposing those to the host.

This doesn't appear to be needed when using Docker engine but it is with
cri-containerd.

Signed-off-by: Ian Campbell <ijc@docker.com>
This commit is contained in:
Ian Campbell 2017-09-12 13:21:27 +01:00
parent 9397b9480a
commit 825e43f7c4
1 changed files with 1 additions and 1 deletions
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2
projects/kubernetes/kubernetes/Dockerfile
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@ -45,4 +45,4 @@ WORKDIR /
ENTRYPOINT ["/usr/bin/kubelet.sh"]
COPY --from=build /out /
ENV KUBECONFIG "/etc/kubernetes/admin.conf"
LABEL org.mobyproject.config='{"binds": ["/dev:/dev", "/etc/resolv.conf:/etc/resolv.conf", "/run:/run", "/var:/var:rshared,rbind", "/var/lib/kubeadm:/etc/kubernetes"], "mounts": [{"type": "cgroup", "options": ["rw","nosuid","noexec","nodev","relatime"]}], "capabilities": ["all"], "rootfsPropagation": "shared", "pid": "host", "runtime": {"mkdir": ["/var/lib/kubeadm", "/var/lib/cni/etc", "/var/lib/cni/opt"], "mounts": [{"type": "bind", "source": "/var/lib/cni/opt", "destination": "/opt/cni", "options": ["rw", "bind"]}, {"type": "bind", "source": "/var/lib/cni/etc", "destination": "/etc/cni", "options": ["rw", "bind"]}]}}'
LABEL org.mobyproject.config='{"binds": ["/dev:/dev", "/etc/resolv.conf:/etc/resolv.conf", "/run:/run:rshared,rbind", "/var:/var:rshared,rbind", "/var/lib/kubeadm:/etc/kubernetes"], "mounts": [{"type": "cgroup", "options": ["rw","nosuid","noexec","nodev","relatime"]}], "capabilities": ["all"], "rootfsPropagation": "shared", "pid": "host", "runtime": {"mkdir": ["/var/lib/kubeadm", "/var/lib/cni/etc", "/var/lib/cni/opt"], "mounts": [{"type": "bind", "source": "/var/lib/cni/opt", "destination": "/opt/cni", "options": ["rw", "bind"]}, {"type": "bind", "source": "/var/lib/cni/etc", "destination": "/etc/cni", "options": ["rw", "bind"]}]}}'