build/config/nacm.xml

<!-- ietf-netconf-acm.xml -->
<nacm xmlns="urn:ietf:params:xml:ns:yang:ietf-netconf-acm">
  <enable-nacm>true</enable-nacm>
  <groups>
    <group>
      <name>voltha</name>
      <user-name>voltha</user-name>
    </group>
  </groups>
  <rule-list>
    <name>devices</name>
    <group>voltha</group>
    <rule>
      <name>allow-devices</name>
      <module-name>bbf-device-aggregation</module-name>
      <access-operations>*</access-operations>
      <action>permit</action>
    </rule>
    <rule>
      <name>allow-hardware</name>
      <module-name>ietf-hardware</module-name>
      <access-operations>*</access-operations>
      <action>permit</action>
    </rule>
  </rule-list>
</nacm>