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Conflicts: doc/topics/cloud/linode.rst doc/topics/cloud/misc.rst doc/topics/cloud/parallels.rst doc/topics/cloud/proxmox.rst Conflicts: doc/topics/development/architecture.rst doc/topics/development/translating.rst
59 lines
1.5 KiB
ReStructuredText
59 lines
1.5 KiB
ReStructuredText
.. _ext_processes:
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===============================
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Running Custom Master Processes
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===============================
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In addition to the processes that the Salt Master automatically spawns,
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it is possible to configure it to start additional custom processes.
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This is useful if a dedicated process is needed that should run throughout
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the life of the Salt Master. For periodic independent tasks, a
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:doc:`scheduled runner <../jobs/schedule.rst>` may be more appropriate.
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Processes started in this way will be restarted if they die and will be
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killed when the Salt Master is shut down.
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Example Configureation
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======================
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Processes are declared in the master config file with the `ext_processes`
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option. Processes will be started in the order they are declared.
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.. code-block:: yaml
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ext_processes:
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- mymodule.TestProcess
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- mymodule.AnotherProcess
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Example Process Class
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=====================
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.. code-block:: python
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# Import python libs
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import time
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import logging
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from multiprocessing import Process
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# Import Salt libs
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from salt.utils.event import SaltEvent
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log = logging.getLogger(__name__)
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class TestProcess(Process):
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def __init__(self, opts):
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Process.__init__(self)
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self.opts = opts
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def run(self):
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self.event = SaltEvent('master', self.opts['sock_dir'])
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i = 0
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while True:
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self.event.fire_event({'iteration': i}, 'ext_processes/test{0}')
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time.sleep(60) |