[jira] [Updated] (MESOS-3820) Refactor libprocess initialization to allow for test-only reinitialization of the server socket

["Joseph Wu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MESOS-3820?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joseph Wu updated MESOS-3820:
-----------------------------
    Story Points: 5  (was: 3)

> Refactor libprocess initialization to allow for test-only reinitialization of the server socket
> -----------------------------------------------------------------------------------------------
>
>                 Key: MESOS-3820
>                 URL: https://issues.apache.org/jira/browse/MESOS-3820
>             Project: Mesos
>          Issue Type: Task
>          Components: libprocess, test
>            Reporter: Joseph Wu
>            Assignee: Joseph Wu
>              Labels: mesosphere
>
> *Background*
> Libprocess initialization includes the spawning of a variety of global processes and the creation of the server socket which listens for incoming requests.  Some properties of the server socket are configured via environment variables, such as the IP and port or the SSL configuration.
> In the case of tests, libprocess is initialized once per test binary.  This means that testing different configurations (SSL in particular) is cumbersome as a separate process would be needed for every test case.
> *Proposal*
> # Follow the [example of the SSL library|https://github.com/apache/mesos/blob/master/3rdparty/libprocess/src/openssl.cpp#L280] and allow tests to declare an internal function for re-initializing a portion of libprocess.
> # Move the [existing creation of the server socket|https://github.com/apache/mesos/blob/master/3rdparty/libprocess/src/process.cpp#L852-L856] into a {{reinitialize_server_socket}} function.
> # Add any necessary cleanup for swapping server sockets.
> # Consider whether any additional locking is required in the {{reinitialize_server_socket}} function.



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