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60 lines
1.7 KiB
ReStructuredText
60 lines
1.7 KiB
ReStructuredText
The daemon
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==========
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Supysonic comes with an optional daemon service that currently provides the
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following features:
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- background scans
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- library changes detection
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- jukebox mode
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Background scans
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----------------
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First of all, the daemon allows running backgrounds scans, meaning you can start
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scans from the :doc:`command-line interface <../man/supysonic-cli>` and do
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something else while it's scanning (otherwise the scan will block the CLI until
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it's done). Background scans also enable the web UI to run scans, while you have
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to use the CLI to do so if you don't run the daemon.
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Library watching
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----------------
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Instead of manually running a scan every time your library changes, the daemon
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can listen to any library change and update the database accordingly. This
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watcher is started along with the daemon but can be disabled to only keep
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background scans. Please refer to :ref:`conf-daemon` of the configuration to
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enable or disable it.
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Jukebox
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-------
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Finally, the daemon acts as a backend for the jukebox mode, allowing to play
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audio on the machine running Supysonic. More details on the :doc:`../jukebox`
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page.
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Running it
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----------
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The daemon is :doc:`../man/supysonic-daemon`, it is a non-exiting process.
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If you want to keep it running in background, either use the old
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:command:`nohup` or :command:`screen` methods, or start it as a systemd unit.
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Below is a basic service file to load it through systemd. Modify it to match
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your installation and save it as
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:file:`/etc/systemd/system/supysonic-daemon.service`.
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.. code-block:: ini
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[Unit]
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Description=Supysonic Daemon
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[Service]
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User=someuser
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Group=somegroup
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WorkingDirectory=/home/supysonic
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ExecStart=/usr/bin/python3 -m supysonic.daemon
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[Install]
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WantedBy=multi-user.target
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