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diff --git a/source/configuration/modules/mmexternal.rst b/source/configuration/modules/mmexternal.rst new file mode 100644 index 0000000..afc85cc --- /dev/null +++ b/source/configuration/modules/mmexternal.rst @@ -0,0 +1,110 @@ +******************************************************** +Support module for external message modification modules +******************************************************** + +=========================== =========================================================================== +**Module Name:** **mmexternal** +**Author:** `Rainer Gerhards <https://rainer.gerhards.net/>`_ <rgerhards@adiscon.com> +**Available since:** 8.3.0 +=========================== =========================================================================== + + +Purpose +======= + +This module permits to integrate external message modification plugins +into rsyslog. + +For details on the interface specification, see rsyslog's source in the +./plugins/external/INTERFACE.md. + + +Configuration Parameters +======================== + +.. note:: + + Parameter names are case-insensitive. + + +Action Parameters +----------------- + +binary +^^^^^^ + +.. csv-table:: + :header: "type", "default", "mandatory", "|FmtObsoleteName| directive" + :widths: auto + :class: parameter-table + + "string", "none", "yes", "none" + +The name of the external message modification plugin to be called. This +can be a full path name. + + +interface.input +^^^^^^^^^^^^^^^ + +.. csv-table:: + :header: "type", "default", "mandatory", "|FmtObsoleteName| directive" + :widths: auto + :class: parameter-table + + "string", "msg", "no", "none" + +This can either be "msg", "rawmsg" or "fulljson". In case of "fulljson", the +message object is provided as a json object. Otherwise, the respective +property is provided. This setting **must** match the external plugin's +expectations. Check the external plugin documentation for what needs to be used. + + +output +^^^^^^ + +.. csv-table:: + :header: "type", "default", "mandatory", "|FmtObsoleteName| directive" + :widths: auto + :class: parameter-table + + "string", "none", "no", "none" + +This is a debug aid. If set, this is a filename where the plugins output +is logged. Note that the output is also being processed as usual by rsyslog. +Setting this parameter thus gives insight into the internal processing +that happens between plugin and rsyslog core. + + +forceSingleInstance +^^^^^^^^^^^^^^^^^^^ + +.. csv-table:: + :header: "type", "default", "mandatory", "|FmtObsoleteName| directive" + :widths: auto + :class: parameter-table + + "binary", "off", "no", "none" + +This is an expert parameter, just like the equivalent *omprog* parameter. +See the message modification plugin's documentation if it is needed. + + +Examples +======== + +Execute external module +----------------------- + +The following config file snippet is used to write execute an external +message modification module "mmexternal.py". Note that the path to the +module is specified here. This is necessary if the module is not in the +default search path. + +.. code-block:: none + + module (load="mmexternal") # needs to be done only once inside the config + + action(type="mmexternal" binary="/path/to/mmexternal.py") + + |