[MESOS-8927] Default executor cannot kill tasks if `LAUNCH_NESTED_CONTAINER` is stuck.

• Type: Bug
• Status: Accepted
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 1.5.1, 1.6.0
• Component/s: containerization, executor
• Labels: default-executor foundations mesosphere
• Epic Link: Default Executor improvements
• Assignee: Unassigned
• Reporter: Chun-Hung Hsiao
• Created: 16/May/18 23:42
• Updated: 20/Feb/19 18:44

Description

In the default executor, if the LAUNCH_NESTED_CONTAINER call never returns, container->launched won't be set, so a follow-up KILL event will be ignored:
https://github.com/apache/mesos/blob/40b40d9b73221388e583fc140280f1eb2b48b832/src/launcher/default_executor.cpp#L1091

This could lead to tasks stuck in TASK_STARTING.