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From Andrei Budnik <>
Subject Re: Review Request 72158: Fixed systemd socket activation on old systemd versions.
Date Mon, 24 Feb 2020 16:39:41 GMT

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(Updated Фев. 24, 2020, 4:39 п.п.)

Review request for mesos, Andrei Sekretenko, Greg Mann, and Qian Zhang.

Bugs: MESOS-10098

Repository: mesos


This patch fixes the bug when `listenFdsWithName` function returns
an empty set of file descriptors on pre-227 systemd versions when
`domain_socket_location` value is not equals to the "systemd:unknown".
This happens when a user expects a newer version of systemd and
specifies a "systemd/<value taken from FileDescriptorName>", but
the actual systemd version does not support `FileDescriptorName`.
In this case, `LISTEN_FDNAMES` env variable is not specified,
so all socket FDs, which are specified by the `LISTEN_FDS`,
must be used to locate the path to the domain socket.

Diffs (updated)

  src/linux/systemd.hpp ba960009d4e47f253fccfcd0edeedf4e6cdc0dca 
  src/linux/systemd.cpp 9897473115ac0f9809734c109ba412eefd32e59e 
  src/slave/main.cpp c1e65519f4c684dcd608cbd1a67d7f5945161af4 




internal CI (including CoreOS)


Andrei Budnik

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