src/main/config/activemq-ducc.xml

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<beans
  xmlns="http://www.springframework.org/schema/beans"
  xmlns:amq="http://activemq.apache.org/schema/core"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
  http://activemq.apache.org/schema/core http://activemq.apache.org/schema/core/activemq-core.xsd">

    <!-- Allows us to use system properties as variables in this configuration file -->
    <!-- bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/-->
    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
      <property name="location" value="file:${DUCC_BROKER_CREDENTIALS_FILE}"/> 
    </bean>



    <broker xmlns="http://activemq.apache.org/schema/core" persistent="false">
              
        <destinationPolicy>
            <policyMap>
              <policyEntries>
                <policyEntry topic=">" producerFlowControl="false" optimizedDispatch="true">
                  <pendingSubscriberPolicy>
                    <vmCursor />
                  </pendingSubscriberPolicy>
                </policyEntry>
                <policyEntry queue=">" producerFlowControl="false" optimizedDispatch="true" maxPageSize="2000">
                  <pendingQueuePolicy>
                    <vmQueueCursor/>
                  </pendingQueuePolicy>
                </policyEntry>
              </policyEntries>
            </policyMap>
        </destinationPolicy> 
 
        <managementContext>
            <managementContext createConnector="true" connectorPort="${DUCC_AMQ_JMX_PORT}"/>
        </managementContext>
             
        <systemUsage>
            <systemUsage>
                <memoryUsage>
                    <!-- Memory for incoming messages before going to broker's Store -->
                    <memoryUsage limit="500 mb"/>
                </memoryUsage>
                <storeUsage>
                    <!-- Broker's memory where messages are stored -->
                    <!-- before being dispatched to consumers      -->
                    <storeUsage limit="1 gb" name="foo"/>
                </storeUsage>
                <tempUsage>
                    <!-- Disk space dedicated to persistent messages -->
                    <!-- Currently not used by Ducc                  -->
                    <tempUsage limit="500 mb"/>
               </tempUsage>
           </systemUsage>
        </systemUsage>
                
      <plugins>
        <!-- Configure authentication; Username, passwords and groups -->
        <!-- The anonymousAccessAllowed=false prevents clients connecting with no username or password -->
        <!-- from being assigned to username 'annonymous' and group 'annonymous'                       -->
        <simpleAuthenticationPlugin anonymousAccessAllowed="false">
            <users>
                <authenticationUser username="${ducc.broker.admin.username}" password="${ducc.broker.admin.password}"
                    groups="ducc-admin"/>
            </users>
        </simpleAuthenticationPlugin>


        <!--  Configure authorization  -->
        <!--  Creating and writing to Topics and Queues is restricted to users in ducc-admin group -->
        <authorizationPlugin>
          <map>
            <authorizationMap>
              <authorizationEntries>
                <authorizationEntry topic=">" read="ducc-admin" write="ducc-admin" admin="ducc-admin" />
                <authorizationEntry queue=">" read="ducc-admin" write="ducc-admin" admin="ducc-admin" />
              </authorizationEntries>
            </authorizationMap>
          </map>
        </authorizationPlugin>
      </plugins>
                
          
        <transportConnectors>
            <transportConnector name="openwire" uri="tcp://0.0.0.0:${DUCC_AMQ_PORT}?${DUCC_AMQ_DECORATION}"/>
        </transportConnectors>

    </broker>
</beans>