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iRODS Rule Engine Plugin - Audit via Kafka

This C++ plugin provides the iRODS platform a rule engine that can emit a single kafka message to the configured topic for every policy enforcement point (PEP) encountered by the iRODS server.

Build

Building the iRODS Audit Rule Engine Plugin requires iRODS 4.3.0+ (http://github.com/irods/irods).

This plugin requires the iRODS development and runtime packages to be installed on the build machine.

Also, use the iRODS-built CMake (or CMake 3.11+):

export PATH=/opt/irods-externals/cmake3.21.4-0/bin:$PATH

cd irods_rule_engine_plugin_audit_kafka
mkdir build
cd build
cmake ../
make package

Install

The packages produced by CMake will install the Audit plugin shared object file:

/usr/lib/irods/plugins/rule_engines/libirods_rule_engine_plugin-audit_kafka.so

Configuration

After installing the plugin, /etc/irods/server_config.json needs to be configured to use the plugin.

Add a new stanza to the "rule_engines" array within server_config.json:

            {
                "instance_name": "irods_rule_engine_plugin-audit_kafka-instance",
                "plugin_name": "irods_rule_engine_plugin-audit_kafka",
                "plugin_specific_configuration" : {
                     "kafka_brokers" : "localhost:9092",
                     "kafka_topic" : "audit_messages",
                     "pep_regex_to_match" : "audit_.*"
                 }
            },

Add the new audit_ namespace to the "rule_engine_namespaces" array within server_config.json:

    "rule_engine_namespaces": [
        "", 
        "audit_"
    ],