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56 lines
1.6 KiB
ReStructuredText
56 lines
1.6 KiB
ReStructuredText
.. _targeting-nodegroups:
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===========
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Node groups
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===========
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Nodegroups are declared using a compound target specification. The compound
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target documentation can be found :doc:`here <compound>`.
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The :conf_master:`nodegroups` master config file parameter is used to define
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nodegroups. Here's an example nodegroup configuration within
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``/etc/salt/master``:
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.. code-block:: yaml
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nodegroups:
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group1: 'L@foo.domain.com,bar.domain.com,baz.domain.com or bl*.domain.com'
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group2: 'G@os:Debian and foo.domain.com'
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group3: 'G@os:Debian and N@group1'
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.. note::
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The ``L`` within group1 is matching a list of minions, while the ``G`` in
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group2 is matching specific grains. See the :doc:`compound matchers
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<compound>` documentation for more details.
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.. note::
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Nodgroups can reference other nodegroups as seen in ``group3``. Ensure
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that you do not have circular references. Circular references will be
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detected and cause partial expansion with a logged error message.
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To match a nodegroup on the CLI, use the ``-N`` command-line option:
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.. code-block:: bash
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salt -N group1 test.ping
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To match a nodegroup in your :term:`top file`, make sure to put ``- match:
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nodegroup`` on the line directly following the nodegroup name.
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.. code-block:: yaml
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base:
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group1:
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- match: nodegroup
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- webserver
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.. note::
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When adding or modifying nodegroups to a master configuration file, the master must be restarted
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for those changes to be fully recognized.
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A limited amount of functionality, such as targeting with -N from the command-line may be
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available without a restart.
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