doc: Add back dynamic groups documentation

Signed-off-by: Sol Jerome <sol.jerome@gmail.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/doc/unsorted/dynamic_groups.txt b/doc/unsorted/dynamic_groups.txt
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+.. -*- mode: rst -*-
+
+.. _unsorted-dynamic_groups:
+
+==============
+Dynamic Groups
+==============
+
+Bcfg2 supports the use of dynamic groups. These groups are not included
+in a client's profile group, but instead are derived from the results
+of probes executed on the client. These dynamic groups need not already
+exist in ``Metadata/groups.xml``. If a dynamic group is defined in
+``Metadata/groups.xml``, clients that include this group will also get
+all included groups and bundles.
+
+Setting up dynamic groups
+=========================
+
+In order to define a dynamic group, setup a probe that outputs the text
+based on system properties::
+
+    group:groupname
+
+This output is processed by the Bcfg2 server, and results in dynamic
+group membership in groupname for the client. See the :ref:`Probes
+<server-plugins-probes-index>` page for a more thorough description
+of probes.