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436 lines
8.8 KiB
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===========================
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Configuring the Salt Minion
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===========================
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The Salt system is amazingly simple and easy to configure, the two components
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of the Salt system each have a respective configuration file. The
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:command:`salt-master` is configured via the master configuration file, and the
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:command:`salt-minion` is configured via the minion configuration file.
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.. seealso::
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:ref:`example minion configuration file <configuration-examples-minion>`
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The Salt Minion configuration is very simple, typically the only value that
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needs to be set is the master value so the minion can find its master.
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Minion Primary Configuration
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----------------------------
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.. conf_minion:: master
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``master``
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----------
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Default: ``salt``
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The hostname or ipv4 of the master.
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.. code-block:: yaml
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master: salt
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.. conf_minion:: master_port
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``master_port``
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---------------
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Default: ``4506``
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The port of the master ret server, this needs to coincide with the ret_port
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option on the Salt master.
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.. code-block:: yaml
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master_port: 4506
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.. conf_minion:: user
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``user``
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--------
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Default: ``root``
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The user to run the Salt processes
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.. code-block:: yaml
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user: root
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.. conf_minion:: pki_dir
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``pki_dir``
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-----------
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Default: :file:`/etc/salt/pki`
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The directory used to store the minion's public and private keys.
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.. code-block:: yaml
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pki_dir: /etc/salt/pki
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.. conf_minion:: id
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``id``
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------
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Default: hostname (as returned by the Python call: ``socket.getfqdn()``)
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Explicitly declare the id for this minion to use, if left commented the id
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will be the hostname as returned by the Python call: ``socket.getfqdn()``
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Since Salt uses detached ids it is possible to run multiple minions on the
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same machine but with different ids, this can be useful for Salt compute
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clusters.
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.. code-block:: yaml
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id: foo.bar.com
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.. conf_minion:: sub_timeout
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``sub_timeout``
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---------------
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The minion connection to the master may be interrupted, the minion will
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verify the connection every so many seconds, to disable connection
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verification set this value to 0
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.. code-block:: yaml
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sub_timeout: 60
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.. conf_minion:: cachedir
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``cachedir``
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------------
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Default: :file:`/var/cache/salt`
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The location for minion cache data.
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.. code-block:: yaml
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cachedir: /var/cache/salt
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.. conf_minion:: cache_jobs
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``cache_jobs``
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--------------
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Default: ``False``
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The minion can locally cache the return data from jobs sent to it, this
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can be a good way to keep track minion side of the jobs the minion has
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executed. By default this feature is disabled, to enable set cache_jobs
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to True
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.. code-block:: yaml
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cache_jobs: False
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.. conf_minion:: acceptance_wait_time
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``acceptance_wait_time``
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------------------------
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Default: ``10``
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The number of seconds to wait until attempting to re-authenticate with the
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master.
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.. code-block:: yaml
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acceptance_wait_time: 10
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Minion Module Management
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------------------------
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.. conf_minion:: disable_modules
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``disable_modules``
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-------------------
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Default: ``[]`` (all modules are enabled by default)
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The event may occur in which the administrator desires that a minion should not
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be able to execute a certain module. The sys module is built into the minion
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and cannot be disabled.
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This setting can also tune the minion, as all modules are loaded into ram
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disabling modules will lover the minion's ram footprint.
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.. code-block:: yaml
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disable_modules:
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- test
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- solr
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.. conf_minion:: disable_returners
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``disable_returners``
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---------------------
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Default: ``[]`` (all returners are enabled by default)
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If certain returners should be disabled, this is the place
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.. code-block:: yaml
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disable_returners:
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- mongo_return
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.. conf_minion:: module_dirs
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``module_dirs``
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---------------
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Default: ``[]``
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A list of extra directories to search for Salt modules
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.. code-block:: yaml
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module_dirs:
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- /var/lib/salt/modules
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.. conf_minion:: returner_dirs
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``returner_dirs``
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-----------------
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Default: ``[]``
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A list of extra directories to search for Salt returners
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.. code-block:: yaml
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returners_dirs:
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- /var/lib/salt/returners
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.. conf_minion:: states_dirs
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``states_dirs``
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---------------
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Default: ``[]``
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A list of extra directories to search for Salt states
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.. code-block:: yaml
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states_dirs:
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- /var/lib/salt/states
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.. conf_minion:: render_dirs
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``render_dirs``
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---------------
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Default: ``[]``
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A list of extra directories to search for Salt renderers
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.. code-block:: yaml
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render_dirs:
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- /var/lib/salt/renderers
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.. conf_minion:: cython_enable
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``cython_enable``
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-----------------
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Default: ``False``
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Set this value to true to enable auto-loading and compiling of ``.pyx`` modules,
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This setting requires that ``gcc`` and ``cython`` are installed on the minion
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.. code-block:: yaml
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cython_enable: False
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State Management Settings
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-------------------------
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.. conf_minion:: renderer
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``renderer``
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------------
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Default: ``yaml_jinja``
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The default renderer used for local state executions
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.. code-block:: yaml
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renderer: yaml_jinja
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.. conf_minion:: state_verbose
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``state_verbose``
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-----------------
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Default: ``False``
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state_verbose allows for the data returned from the minion to be more
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verbose. Normally only states that fail or states that have changes are
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returned, but setting state_verbose to ``True`` will return all states that
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were checked
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.. code-block:: yaml
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state_verbose: True
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.. conf_minion:: autoload_dynamic_modules
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``autoload_dynamic_modules``
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----------------------------
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Default: ``True``
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autoload_dynamic_modules Turns on automatic loading of modules found in the
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environments on the master. This is turned on by default, to turn of
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autoloading modules when states run set this value to ``False``
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.. code-block:: yaml
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autoload_dynamic_modules: True
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.. conf_minion:: clean_dynamic_modules
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Default: ``True``
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clean_dynamic_modules keeps the dynamic modules on the minion in sync with
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the dynamic modules on the master, this means that if a dynamic module is
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not on the master it will be deleted from the minion. By default this is
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enabled and can be disabled by changing this value to ``False``
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.. code-block:: yaml
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clean_dynamic_modules: True
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.. conf_minion:: environment
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``environment``
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---------------
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Default: ``None``
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Normally the minion is not isolated to any single environment on the master
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when running states, but the environment can be isolated on the minion side
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by statically setting it. Remember that the recommended way to manage
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environments is to isolate via the top file.
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.. code-block:: yaml
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environment: None
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Security Settings
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-----------------
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.. conf_minion:: open_mode
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``open_mode``
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-------------
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Default: ``False``
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Open mode can be used to clean out the PKI key received from the Salt master,
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turn on open mode, restart the minion, then turn off open mode and restart the
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minion to clean the keys.
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.. code-block:: yaml
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open_mode: False
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Thread Settings
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---------------
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.. conf_minion:: multiprocessing
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Default: ``True``
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Disable multiprocessing support by default when a minion receives a
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publication a new process is spawned and the command is executed therein.
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.. code-block:: yaml
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multiprocessing: True
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Minion Logging Settings
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-----------------------
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.. conf_minion:: log_file
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``log_file``
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------------
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Default: :file:`/var/log/salt/minion`
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The location of the minion log file
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.. code-block:: yaml
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log_file: /var/log/salt/minion
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.. conf_minion:: log_level
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``log_level``
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-------------
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Default: ``warning``
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The level of messages to send to the log file.
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One of 'info', 'quiet', 'critical', 'error', 'debug', 'warning'.
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.. code-block:: yaml
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log_level: warning
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.. conf_minion:: log_granular_levels
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``log_granular_levels``
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-----------------------
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Default: ``{}``
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Logger levels can be used to tweak specific loggers logging levels.
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Imagine you want to have the Salt library at the 'warning' level, but, you
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still wish to have 'salt.modules' at the 'debug' level:
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.. code-block:: yaml
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log_granular_levels:
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'salt': 'warning',
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'salt.modules': 'debug'
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.. conf_minion:: include
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``include``
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-----------
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Default: ``not defined``
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The minion can include configuration from other files. To enable this,
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pass a list of paths to this option. The paths can be either relative or
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absolute; if relative, they are considered to be relative to the directory
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the main minion configuration file lives in. Paths can make use of
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shell-style globbing. If no files are matched by a path passed to this
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option then the minion will log a warning message.
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.. code-block:: yaml
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# Include files from a minion.d directory in the same
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# directory as the minion config file
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include: minion.d/*
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# Include a single extra file into the configuration
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include: /etc/roles/webserver
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# Include several files and the minion.d directory
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include:
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- extra_config
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- minion.d/*
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- /etc/roles/webserver
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