sonic-buildimage/dockers/docker-fpm-frr/frr/frr_vars.j2

{
    "frr_mgmt_framework_config":
        {% if "frr_mgmt_framework_config" in DEVICE_METADATA["localhost"].keys() %}
            "{{ DEVICE_METADATA["localhost"]["frr_mgmt_framework_config"] }}"
        {% else %}
            ""
        {% endif %},
    "docker_routing_config_mode":
        {% if "docker_routing_config_mode" in DEVICE_METADATA["localhost"].keys() %}
            "{{ DEVICE_METADATA["localhost"]["docker_routing_config_mode"] }}"
        {% else %}
            ""
        {% endif %}
}