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<def-group>
<!-- Check that one logging service is active -->
<definition class="compliance" id="{{{ rule_id }}}" version="1">
{{{ oval_metadata("Ensure one logging service is in use", rule_title=rule_title) }}}
<criteria>
<criterion comment="one logging service is active"
test_ref="test_{{{ rule_id }}}_single_active_logging_service"/>
</criteria>
</definition>
<!-- Objects and states to identify active logging_service services -->
<linux:systemdunitproperty_object id="obj_{{{ rule_id }}}_logging_services" version="1"
comment="All active logging_service services">
<linux:unit operation="pattern match">^(rsyslog|systemd-journald).service$</linux:unit>
<linux:property>ActiveState</linux:property>
<filter action="include">ste_{{{ rule_id }}}_logging_services</filter>
</linux:systemdunitproperty_object>
<linux:systemdunitproperty_state id="ste_{{{ rule_id }}}_logging_services" version="1">
<linux:value>active</linux:value>
</linux:systemdunitproperty_state>
<!-- Count active logging_service services -->
<local_variable id="var_{{{ rule_id }}}_logging_service_active_count" datatype="int" version="1"
comment="Number of currently active logging_service services">
<count>
<regex_capture pattern="^active$">
<object_component item_field="value" object_ref="obj_{{{ rule_id }}}_logging_services"/>
</regex_capture>
</count>
</local_variable>
<!-- Test that count is at least one -->
<ind:variable_test id="test_{{{ rule_id }}}_single_active_logging_service" version="1" check="all"
comment="Verify one logging_service service is active">
<ind:object object_ref="obj_{{{ rule_id }}}_count"/>
<ind:state state_ref="ste_{{{ rule_id }}}_count"/>
</ind:variable_test>
<ind:variable_object id="obj_{{{ rule_id }}}_count" version="1">
<ind:var_ref>var_{{{ rule_id }}}_logging_service_active_count</ind:var_ref>
</ind:variable_object>
<ind:variable_state id="ste_{{{ rule_id }}}_count" version="1">
<ind:value operation="greater than or equal" datatype="int">1</ind:value>
</ind:variable_state>
</def-group>
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