so that we cri service don't have to get sandbox controller everytime it
needs to call sandbox controller api.
Signed-off-by: Abel Feng <fshb1988@gmail.com>
As `setupSandboxFiles` was done in sandbox controller, it is difficult
here to know if the sandbox controller has done and where the host path
in. Make sure the host path exists before adding them to linux container
mounts, otherwise, the container would generate some unnecessary mounts.
Signed-off-by: Zhang Tianyang <burning9699@gmail.com>
See kubernetes/enhancements issue 3857 (PR 3858).
Replaces PR 9713 `cri: make read-only mounts recursively read-only`
Unlike PR 9713, this PR does not automatically upgrade RO mounts to RRO.
Test depends on:
- kubernetes-sigs/cri-tools PR 1344
Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
