[jira] [Created] (MESOS-6344) Allow `network/cni` isolator to take a search path for CNI plugins instead of single directory

["Avinash Sridharan (JIRA)" <ji...@apache.org>]

Avinash Sridharan created MESOS-6344:
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             Summary: Allow `network/cni` isolator to take a search path for CNI plugins instead of single directory
                 Key: MESOS-6344
                 URL: https://issues.apache.org/jira/browse/MESOS-6344
             Project: Mesos
          Issue Type: Task
          Components: containerization
            Reporter: Avinash Sridharan
            Assignee: Avinash Sridharan


Currently the `network/cni` isolator expects a single directory with the `--network_cni_plugins_dir` . This is very limiting because this forces the operator to put all the CNI plugins in the same directory. 

With Mesos port-mapper CNI plugin this would also imply that the operator would have to move this plugin from the Mesos installation directory to a directory specified in the `--network_cni_plugins_dir`. 

To simplify the operators experience it would make sense for the `--network_cni_plugins_dir` flag to take in set of directories instead of single directory. The `network/cni` isolator can then search this set of directories to find the CNI plugin.



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