Jie Yu created MESOS-5306:
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Summary: Mounting /etc/xxx files in CNI for command tasks has race
condition.
Key: MESOS-5306
URL: https://issues.apache.org/jira/browse/MESOS-5306
Project: Mesos
Issue Type: Bug
Reporter: Jie Yu
Assignee: Jie Yu
Fix For: 0.29.0
This is because there's no ordering between the execution of the 'isolate()'
method of the CNI isolator and the execution of the preparation scripts in
ContainerLaunchInfo.
For command tasks, currently, we do a recursive bind mount (<rootfs> ->
<sandbox>/.rootfs) in the preparation script returned by the linux filesystem
isolator (same as other volumes). The command executor will then pivot_root
into <sandbox>/.rootfs.
As a result, depending on the timing. the /etc/xxx files mounted at
<rootfs>/etc/xxx might or might not be present in the rootfs for command tasks.
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