Jie Yu created MESOS-9518:
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Summary: CNI_NETNS should not be set for orphan containers that do
not have network namespace
Key: MESOS-9518
URL: https://issues.apache.org/jira/browse/MESOS-9518
Project: Mesos
Issue Type: Bug
Components: cni
Affects Versions: 1.7.0, 1.6.1, 1.5.1, 1.4.2
Reporter: Jie Yu
We introduced a new agent flag in MESOS-9492 so that CNI configs can be
persisted across reboot. This is for some CNI plugins to be able to cleanup IP
allocated to the containers after a sudden reboot of the host (not all CNI
plugins need this).
It's important to unset `CNI_NETNS` environment variable after reboot when
invoking CNI plugin "DEL" command so that it conforms to the spec:
{noformat}
When CNI_NETNS and/or prevResult are not provided, the plugin should clean up
as many resources as possible (e.g. releasing IPAM allocations) and return a
successful response.
{noformat}
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