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Add a section on updating the fileserver

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Erik Johnson 2017-04-04 10:24:36 -05:00
parent 4e3a2d066a
commit 906d02f395
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doc/ref/internals/fileserver-and-client.rst
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@ -113,3 +113,19 @@ Most of the user-facing interaction with the fileclient happens via the
:mod:`cp <salt.modules.cp>` module. The functions in this module instantiate a
fileclient instance (if one is not already saved to the ``__context__``
dunder) and run fileclient functions.
Updating the Fileserver
-----------------------
The master daemon spawns a process dedicated to routine maintenance tasks upon
startup. This process runs an instance of ``salt.master.Maintenance``, which
loops forever, running a series of functions and then sleeping for a length of
time determined by the :conf_master:`loop_interval` config option. One of the
maintenance tasks is to update the fileserver, and it essentially runs
``salt.fileserver.Fileserver.update()``, which as we know from above will run
all configured backends' ``update()`` functions, if present. This is now remote
fileservers like ``git``, ``hg``, and ``svn`` stay up-to-date.
For the local file_client (FSClient), since it does not interact with the
master, upon spawning of its FSChan it will update the fileserver.