diff options
Diffstat (limited to 'doc/server/plugins/probes/index.txt')
| -rw-r--r-- | doc/server/plugins/probes/index.txt | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/doc/server/plugins/probes/index.txt b/doc/server/plugins/probes/index.txt index 306a752b6..2e23c31d5 100644 --- a/doc/server/plugins/probes/index.txt +++ b/doc/server/plugins/probes/index.txt @@ -13,6 +13,9 @@ the system disk, you would want to know this information to correctly generate an `/etc/auto.master` autofs config file for each type. Here we will look at how to do this. +Probes also allow dynamic group assignment for clients, see +:ref:`_server-plugins-probes-dynamic-groups`. + First, create a ``Probes`` directory in our toplevel repository location:: @@ -119,6 +122,45 @@ is to add the ``/etc/auto.master`` to a Bundle: <Path name='/etc/auto.master'/> +.. _server-plugins-probes-dynamic-groups: + +Dynamic Group Assignment +======================== + +The output lines of the probe matching "group:" are used to +dynamically assign hosts to groups. 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. + +Consider the following output of a probe:: + + group:debian-wheezy + group:amd64 + +This assigns the client to the groups debian-wheezy and amd64. + +To prevent clients from manipulating the probe output and choosing +unexpected groups (and receiving their potential sensitive files) you +can use the ``allowed_groups`` option in the ``[probes]`` section of +``bcfg2.conf`` on the server. This whitespace-separated list of +anchored regular expressions (must match the complete group name) +controls dynamic group assignments. Only matching groups are +allowed. The default allows all groups. + +.. versionadded:: 1.3.4 + +Example: + +.. code-block:: ini + + [probes] + allowed_groups = debian-(squeeze|wheezy|sid) i386 + +This allows the groups `debian-squeeze`, `debian-wheezy`, `debian-sid` +and `i386`. With the probe output from above, this setting would +disallow the group `amd64`. + Handling Probe Output ===================== |