{#
This file is written with conditional check and for loop based indentation.
It improved code readability. The output json is not pretty. Run cat <output.json> | python -m json.tool
for pretty printing the same.
#}

{%- set CLOUD_TENANT = 'cloud_tenant' %}
{%- set VXLAN_HDR_LEN = 50 %}

{#- initialize some variables -#}
{%- set host_networking = hostvars[ansible_hostname]['networking'] %}
{%- if 'mtu' in host_networking %}
    {%- set default_mtu = host_networking['mtu'] %}
{%- else %}
    {%- set default_mtu = 1500 %}
{%- endif %}
{%- set max_mtu = 9000 %}
{%- set host_network_profiles_list = hosts[ansible_hostname]['network_profiles'] %}
{%- set host_network_profile_value = hostvars[ansible_hostname]['network_profiles'][host_network_profiles_list[0]] %}
{%- set host_interface_net_mapping = host_network_profile_value['interface_net_mapping'] %}
{%- if 'bonding_interfaces' in host_network_profile_value %}
    {%- set host_bonding_interfaces = host_network_profile_value['bonding_interfaces'] %}
{%- else %}
    {%- set host_bonding_interfaces = {} %}
{%- endif %}
{%- set single_nic_setup = False %}
{%- if 'provider_network_interfaces' in host_network_profile_value %}
    {%- set host_provider_network_interfaces = host_network_profile_value['provider_network_interfaces'] %}
    {%- set dpdk_in_use = ((host_provider_network_interfaces.itervalues()|first).type == 'ovs-dpdk') %}

    {%- if host_interface_net_mapping|length == 1 and host_provider_network_interfaces|length == 1 %}
        {%- if host_interface_net_mapping.keys()[0] == host_provider_network_interfaces.keys()[0] %}
            {%- set single_nic_setup = True %}
            {%- if CLOUD_TENANT in host_networking.keys() and 'interface' in host_networking[CLOUD_TENANT] %}
                {%- set mtu = default_mtu %}
                {%- if 'mtu' in host_networking[CLOUD_TENANT] %}
                    {%- set mtu = host_networking[CLOUD_TENANT]['mtu'] %}
                {%- endif %}
                {%- set mtu = mtu + VXLAN_HDR_LEN %}
                {%- if mtu > max_mtu %}
                    {%- set max_mtu = mtu %}
                {%- endif %}
            {%- endif %}
        {%-endif %}
    {%-endif %}

    {#- make a list of ixgbe devices, needed in ovs-dpdk configuration -#}
    {%- set ixgbedevs = [] %}
    {%- for key in hostvars[ansible_hostname].keys() %}
        {%- if key.startswith('ansible_') %}
            {%- set value = hostvars[ansible_hostname][key] %}
            {%- if value is iterable and 'device' in value and 'module' in value and value['module'] == 'ixgbe' %}
                {%- if ixgbedevs.append(value['device']) %}{%- endif %}
            {%- endif %}
        {%- endif %}
    {%- endfor %}
{%- else %}
    {%- set host_provider_network_interfaces = {} %}
    {%- set dpdk_in_use = False %}
{%- endif %}
{%- set sriov_mtus = {} %}
{%- if 'sriov_provider_networks' in host_network_profile_value %}
    {%- for net,iface_info in host_network_profile_value['sriov_provider_networks'].iteritems() %}
        {%- for tmp,mtu_info in host_networking['provider_networks'].iteritems() if tmp == net %}
            {%- if 'mtu' in mtu_info %}{% set mtu = mtu_info['mtu'] %}{% else %}{% set mtu = default_mtu %}{% endif %}
            {%- for iface in iface_info['interfaces'] %}
                {%- if sriov_mtus.update({iface: mtu}) %}{%- endif %}
            {%- endfor %}
        {%- endfor %}
    {%- endfor %}
{%- endif %}
{%- set external_ceph_cidr = None %}
{%- if config_phase != 'setup' and 'external_ceph' in storage['backends'] %}
    {%- set ext_ceph = storage['backends']['external_ceph'] %}
    {%- if 'enabled' in ext_ceph and 'cidr' in ext_ceph and ext_ceph['enabled'] %}
        {%- set external_ceph_cidr = ext_ceph['cidr'] %}
    {%- endif %}
{%- endif %}

{% macro generate_linux_bonding_options(options) -%}
    {%- set mode_mapping = {'active-backup' : 'active-backup', 'lacp' : '802.3ad'} -%}
    {%- set default_options = {
                                'active-backup' : 'miimon=100',
                                'lacp' : 'lacp_rate=fast miimon=100'
                              } -%}
    {%- for i in options.split() -%}
        {%- set key, value = i.split('=') -%}
        {%- if key == 'mode' -%}
            {%- if default_options[value] -%}
                {{ 'mode=' ~ mode_mapping[value] ~ ' ' ~ default_options[value] }}
            {%- else -%}
                {{ 'mode=' ~ mode_mapping[value] }}
            {%- endif -%}
        {%- endif -%}
    {%- endfor -%}
{%- endmacro %}

{% macro generate_ovs_bonding_options(options) -%}
    {%- set mode_mapping = {'active-backup' : 'active-backup', 'lacp' : 'balance-slb', 'lacp-layer34' : 'balance-tcp'} -%}
    {%- set default_options = {
                                'active-backup' : '',
                                'lacp' : 'lacp=active other_config:lacp-time=fast other_config:bond-detect-mode=carrier',
                                'lacp-layer34' : 'lacp=active other_config:lacp-time=fast other_config:bond-detect-mode=carrier'
                              } -%}
    {%- for i in options.split() -%}
        {%- set key, value = i.split('=') -%}
        {%- if key == 'mode' -%}
            {%- if default_options[value] -%}
                {{ 'bond_mode=' ~ mode_mapping[value] ~ ' ' ~ default_options[value] }}
            {%- else -%}
                {{ 'bond_mode=' ~ mode_mapping[value] }}
            {%- endif -%}
        {%- endif -%}
    {%- endfor -%}
{%- endmacro %}

{% macro add_static_routes(routes) -%}
    [
    {%- for route in routes %}
        {
            "ip_netmask": "{{ route.to }}", "next_hop": "{{ route.via }}"
        } {% if not loop.last %},{% endif %}
    {%- endfor %}
    ]
{%- endmacro %}

{#- create network configuration input for the os-net-config -#}
{
"network_config": [
{%- set loopvar = {'first_entry': True} %}
{%- set configured_phys_ifaces = [] %}

{#- single nic ifra networks are configured with the ovs provider networks -#}
{%- if not single_nic_setup %}

{#-
If all infra ifaces on some phys iface are vlan ifaces then phys iface is configured here.
Otherwise it gets configured normally on infra iface configuration in the next loop.
-#}
{%- for iface,infras in host_interface_net_mapping.iteritems() %}
    {%- set ifacevars = {'create': True, 'mtu': 0} %}
    {%- for infra,value in host_networking.iteritems() %}
        {%- if infra in infras %}
            {%- if value['interface'] == iface %}
                {%- if ifacevars.update({'create': False}) %}{%- endif %}
            {%- else %}
                {%- if 'mtu' in value %}
                    {%- set mtu = value['mtu'] %}
                {%- else %}
                    {%- set mtu = default_mtu %}
                {%- endif %}
                {%- if infra == CLOUD_TENANT %}
                    {%- set mtu = mtu + VXLAN_HDR_LEN %}
                {%- endif %}
                {%- if mtu > ifacevars.mtu %}
                    {%- if ifacevars.update({'mtu': mtu}) %}{%- endif %}
                {%- endif %}
            {%- endif %}
        {%- endif %}
    {%- endfor %}
    {%- if 'bond' in iface %}
        {%- for key,slaves in host_bonding_interfaces.iteritems() if key == iface %}
            {%- for slave in slaves %}
                {%- if slave in sriov_mtus and sriov_mtus[slave] > ifacevars.mtu %}
                    {%- if ifacevars.update({'mtu': sriov_mtus[slave]}) %}{%- endif %}
                {%- endif %}
            {%- endfor %}
        {%- endfor %}
    {%- else %}
        {%- if iface in sriov_mtus and sriov_mtus[iface] > ifacevars.mtu %}
            {%- if ifacevars.update({'mtu': sriov_mtus[iface]}) %}{%- endif %}
        {%- endif %}
    {%- endif %}
    {%- if ifacevars.create %}
        {%- if not loopvar.first_entry %},{%- endif %}
        {%- if loopvar.update({'first_entry': False}) %}{%- endif %}
        {
            "name": "{{iface}}",
            {%- if 'bond' in iface %}
                {%- for key,slaves in host_bonding_interfaces.iteritems() if key == iface %}
                    "type": "linux_bond",
                    "mtu": {{ifacevars['mtu']}},
                    {%- if 'linux_bonding_options' in  host_network_profile_value %}
                        "bonding_options": "{{ generate_linux_bonding_options(host_network_profile_value['linux_bonding_options']) }}",
                    {%- endif %}
                    "members": [ {% for slave in slaves %}
                        {%- if configured_phys_ifaces.append(slave) %}{%- endif %}
                        {
                        "name": "{{slave}}",
                        "type": "interface",
                        "mtu": {{ifacevars['mtu']}},
                        "use_dhcp": false
                        }
                        {% if not loop.last %},{% endif %}
                    {%- endfor %}
                    ],
                {%- endfor %}
            {%- else %}
                {%- if configured_phys_ifaces.append(iface) %}{%- endif %}
                "type": "interface",
            {%- endif %}
            "mtu": {{ifacevars['mtu']}},
            "use_dhcp": false
        }
    {%- endif %}
{%- endfor %}

{#- configure all infra ifaces (except cloud_tenant if ovs-dpdk in use) -#}
{%- for key,value in host_networking.iteritems() %}
    {%- if value is iterable and 'interface' in value %}
        {%- if key != CLOUD_TENANT or not dpdk_in_use %}{#- no dpdk or no cloud tenant -#}
        {%- if 'mtu' in value %}{% set mtu = value['mtu'] %}{% else %}{% set mtu = default_mtu %}{% endif %}
        {%- if key == CLOUD_TENANT %}{% set mtu = mtu + VXLAN_HDR_LEN %}{% endif %}
        {%- if not loopvar.first_entry %},{%- endif %}
        {%- if loopvar.update({'first_entry': False}) %}{%- endif %}
        {
        {%- if 'bond' in value['interface'] %}
            {%- for bond_key,bond_value in host_bonding_interfaces.iteritems() if bond_key == value['interface'] %}
                "name": "{{bond_key}}",
                "type": "linux_bond",
                "members": [ {% for member in bond_value %}
                    {%- if configured_phys_ifaces.append(member) %}{%- endif %}
                    {
                    "name": "{{ member }}",
                    "type": "interface",
                    "mtu": {{mtu}},
                    "use_dhcp": false
                    }
                    {% if not loop.last %},{% endif %}
                {%- endfor %}
                ],
                {%- if 'linux_bonding_options' in  host_network_profile_value %}
                    "bonding_options": "{{ generate_linux_bonding_options(host_network_profile_value['linux_bonding_options']) }}",
                {%- endif %}
            {%- endfor %}
        {%- elif 'vlan' in value %}
            "type": "vlan",
            "vlan_id": {{ value['vlan'] }},
            {%- for net_key,net_value in host_interface_net_mapping.iteritems() %}
                {%- if key in net_value %}
                    "device": "{{net_key}}",
                {%- endif %}
            {%- endfor %}
        {%- else %}
            {%- if configured_phys_ifaces.append(value['interface']) %}{%- endif %}
            "name": "{{value['interface']}}",
            "type": "interface",
        {%- endif %}
            "addresses": [ { "ip_netmask": "{{ value['ip'] }}/{{value['mask']}}" } ],
            "mtu": {{mtu}},
            {%- if (key == "infra_external" or key == "infra_access")
                    and 'dns' in host_networking
                    and (ansible_hostname not in groups.get('caas_nodes', [])) %}
                "dns_servers": [{% for server in host_networking['dns'] %}"{{ server }}"{% if not loop.last %},{% endif %}{% endfor %}],
            {%- endif %}
            {%- set routes = [] %}
            {%- if 'routes' in value %}
                {%- set routes = value['routes'] %}
            {%- endif %}
            {%- if key == 'infra_external' and 'gateway' in value %}
                {%- if '.' in value['gateway'] %}
                    {% set defaultroute = '0.0.0.0/0'%}
                {%- else %}
                    {% set defaultroute = '::/0'%}
                {%- endif %}
                {%- set gw = {"to": defaultroute, "via": value['gateway']} %}
                {%- if routes.append(gw) %}{%- endif %}
            {%- endif %}
            {%- if key == 'infra_access' and 'gateway' in value %}
                {%- if 'dns' in host_networking %}
                    {%- if '.' in value['gateway'] %}
                        {% set mask = '/32' %}
                    {%- else %}
                        {% set mask = '/128' %}
                    {%- endif %}
                    {%- for server in host_networking['dns'] %}
                        {%- set dnsroute = server ~ mask %}
                        {%- set gw = {"to": dnsroute, "via": value['gateway']} %}
                        {%- if routes.append(gw) %}{%- endif %}
                    {%- endfor %}
                {%- endif %}
                {%- if external_ceph_cidr is not none %}
                    {%- set gw = {"to": external_ceph_cidr, "via": value['gateway']} %}
                    {%- if routes.append(gw) %}{%- endif %}
                {%- endif %}
            {%- endif %}
            {%- if routes %}
                "routes": {{ add_static_routes(routes) }},
            {%- endif %}
            "use_dhcp": false
        }
        {%- endif %}{#- no dpdk or no cloud tenant -#}
    {%- endif %}
{%- endfor %}

{%- if config_phase != 'setup' %}
{#- configure caas provider network interfaces -#}
{%- for iface,value in host_provider_network_interfaces.iteritems() if 'caas' in value['type'] %}
    {%- if not loopvar.first_entry %},{%- endif %}
    {%- if loopvar.update({'first_entry': False}) %}{%- endif %}
    {%- set ifacevars = {'mtu': 0} %}
    {
        "name": "{{iface}}",
        {%- for mapped_net in value['provider_networks'] %}
            {%- for net,info in host_networking['provider_networks'].iteritems() if net == mapped_net %}
                {%- if 'mtu' in info %}
                    {%- if info['mtu'] > ifacevars.mtu %}
                        {%- if ifacevars.update({'mtu': info['mtu']}) %}{%- endif %}
                    {%- endif %}
                {%- elif default_mtu > ifacevars.mtu %}
                    {%- if ifacevars.update({'mtu': default_mtu}) %}{%- endif %}
                {%- endif %}
            {%- endfor %}
        {%- endfor %}
        {%- if 'bond' in iface %}
            {%- for bond,slaves in host_bonding_interfaces.iteritems() if bond == iface %}
                {%- for slave in slaves %}
                    {%- if slave in sriov_mtus and sriov_mtus[slave] > ifacevars.mtu %}
                        {%- if ifacevars.update({'mtu': sriov_mtus[slave]}) %}{%- endif %}
                    {%- endif %}
                {%- endfor %}
                "type": "linux_bond",
                "mtu": {{ifacevars.mtu}},
                {%- if 'linux_bonding_options' in  host_network_profile_value %}
                    "bonding_options": "{{ generate_linux_bonding_options(host_network_profile_value['linux_bonding_options']) }}",
                {%- endif %}
                "members": [ {% for slave in slaves %}
                    {%- if configured_phys_ifaces.append(slave) %}{%- endif %}
                    {
                    "name": "{{slave}}",
                    "type": "interface",
                    "mtu": {{ifacevars.mtu}},
                    "use_dhcp": false
                    }
                    {% if not loop.last %},{% endif %}
                {%- endfor %}
                ],
            {%- endfor %}
        {%- else %}
            {%- if configured_phys_ifaces.append(iface) %}{%- endif %}
            {%- if iface in sriov_mtus and sriov_mtus[iface] > ifacevars.mtu %}
                {%- if ifacevars.update({'mtu': sriov_mtus[iface]}) %}{%- endif %}
            {%- endif %}
            "type": "interface",
        {%- endif %}
        "mtu": {{ifacevars.mtu}},
        "use_dhcp": false
    }
{%- endfor %}
{%- endif %}{#- if config_phase != 'setup' -#}

{%- endif %}{#- if not single_nic_setup -#}

{%- if config_phase != 'setup' or single_nic_setup %}

{#- configure ovs-* provider network interfaces -#}
{%- for key,value in host_provider_network_interfaces|dictsort(true) if 'ovs' in value['type'] %}
    {%- set keyloop = loop %}
    {%- if not loopvar.first_entry %},{%- endif %}
    {%- if loopvar.update({'first_entry': False}) %}{%- endif %}
    {%- if value['type'] == 'ovs-dpdk' %}
        {%- for bond_key,bond_value in host_bonding_interfaces.iteritems() if bond_key == key %}
            {%- for member in bond_value %}
                {%- if member not in ixgbedevs %}
                    {%- if configured_phys_ifaces.append(member) %}{%- endif %}
                    {
                        "name": "{{member}}",
                        "type": "interface",
                        "mtu": {{max_mtu}},
                        "use_dhcp": false
                    },
                {%- endif %}
            {%- endfor %}
        {%- endfor %}
        {%- if 'bond' not in key and key not in ixgbedevs %}
            {%- if configured_phys_ifaces.append(key) %}{%- endif %}
            {
                "name": "{{key}}",
                "type": "interface",
                "mtu": {{max_mtu}},
                "use_dhcp": false
            },
        {%- endif %}
    {%- endif %}
    {
        "name": "br-pro{{keyloop.index0}}",
        {%- if value['type'] == 'ovs-dpdk' %}
            "type": "ovs_user_bridge",
        {%- else %}
            "type": "ovs_bridge",
        {%- endif %}
        "members": [
            {
            "mtu": {{max_mtu}},
            {%- if 'bond' in key %}
                {%- for bond_key,bond_value in host_bonding_interfaces.iteritems() if bond_key == key %}
                    {%- if 'ovs_bonding_options' in  host_network_profile_value %}
                        "ovs_options": "{{ generate_ovs_bonding_options(host_network_profile_value['ovs_bonding_options']) }}",
                    {%- endif %}
                    "name": "{{key}}",
                    {%- if value['type'] == 'ovs-dpdk' %}
                        "type": "ovs_dpdk_bond",
                        {%- if 'dpdk_max_rx_queues' in value %}
                            "rx_queue": {{ value['dpdk_max_rx_queues'] }},
                        {%- endif %}
                        "members": [ {%- for member in bond_value %}
                            {%- if configured_phys_ifaces.append(member) %}{%- endif %}
                            {
                            "name": "dpdk-{{member}}",
                            "type": "ovs_dpdk_port",
                            "mtu": {{max_mtu}},
                            "members": [ { "name": "{{member}}", "type": "interface", "mtu": {{max_mtu}}, "use_dhcp": false } ],
                            "use_dhcp": false
                            }
                            {% if not loop.last %},{% endif %}
                        {%- endfor %}
                        ],
                    {%- else %}
                        "type": "ovs_bond",
                        "members": [ {% for member in bond_value %}
                            {%- if configured_phys_ifaces.append(member) %}{%- endif %}
                            {
                            "name": "{{ member }}",
                            "type": "interface",
                            "mtu": {{max_mtu}},
                            "use_dhcp": false
                            }
                            {% if not loop.last %},{% endif %}
                        {%- endfor %}
                        ],
                    {%- endif %}
                {%- endfor %}
            {%- else %}
                {%- if configured_phys_ifaces.append(key) %}{%- endif %}
                {%- if value['type'] == 'ovs-dpdk' %}
                    "name": "dpdk-{{key}}",
                    "type": "ovs_dpdk_port",
                    "mtu": {{max_mtu}},
                    {%- if 'dpdk_max_rx_queues' in value %}
                        "rx_queue": {{ value['dpdk_max_rx_queues'] }},
                    {%- endif %}
                    "members": [ { "name": "{{key}}", "type": "interface", "mtu": {{max_mtu}}, "use_dhcp": false } ],
                {%- else %}
                    "name": "{{key}}",
                    "type": "interface",
                {%- endif %}
            {%- endif %}
            "use_dhcp": false
            }
            {%- for net in value['provider_networks'] %}
                ,
                {
                "name": "pro{{keyloop.index0}}-pro{{keyloop.index0}}.{{loop.index0}}",
                "bridge_name": "br-pro{{keyloop.index0}}",
                "type": "ovs_patch_port",
                "peer": "pro{{keyloop.index0}}.{{loop.index0}}-pro{{keyloop.index0}}"
                }
            {%- endfor %}
            {%- if single_nic_setup %}
                {#- configure all infra ifaces -#}
                {%- for key,value in host_networking.iteritems() %}
                    {%- if value is iterable and 'interface' in value %}
                        {%- if 'mtu' in value %}{% set mtu = value['mtu'] %}{% else %}{% set mtu = default_mtu %}{% endif %}
                        {%- if key == CLOUD_TENANT %}{% set mtu = mtu + VXLAN_HDR_LEN %}{% endif %}
                        ,
                        {
                        "type": "vlan",
                        "vlan_id": {{ value['vlan'] }},
                        "addresses": [ { "ip_netmask": "{{ value['ip'] }}/{{value['mask']}}" } ],
                        "mtu": {{mtu}},
                        {%- if (key == "infra_external" or key == "infra_access")
                            and 'dns' in host_networking
                            and (ansible_hostname not in groups.get('caas_nodes', [])) %}
                            "dns_servers": [{% for server in host_networking['dns'] %}"{{ server }}"{% if not loop.last %},{% endif %}{% endfor %}],
                        {%- endif %}
                        {%- set routes = [] %}
                        {%- if 'routes' in value %}
                            {%- set routes = value['routes'] %}
                        {%- endif %}
                        {%- if key == 'infra_external' and 'gateway' in value %}
                            {%- if '.' in value['gateway'] %}
                                {% set defaultroute = '0.0.0.0/0'%}
                            {%- else %}
                                {% set defaultroute = '::/0'%}
                            {%- endif %}
                            {%- set gw = {"to": defaultroute, "via": value['gateway']} %}
                            {%- if routes.append(gw) %}{%- endif %}
                        {%- endif %}
                        {%- if key == 'infra_access' and 'gateway' in value %}
                            {%- if 'dns' in host_networking %}
                                {%- if '.' in value['gateway'] %}
                                    {% set mask = '/32' %}
                                {%- else %}
                                    {% set mask = '/128' %}
                                {%- endif %}
                                {%- for server in host_networking['dns'] %}
                                    {%- set dnsroute = server ~ mask %}
                                    {%- set gw = {"to": dnsroute, "via": value['gateway']} %}
                                    {%- if routes.append(gw) %}{%- endif %}
                                {%- endfor %}
                            {%- endif %}
                            {%- if external_ceph_cidr is not none %}
                                {%- set gw = {"to": external_ceph_cidr, "via": value['gateway']} %}
                                {%- if routes.append(gw) %}{%- endif %}
                            {%- endif %}
                        {%- endif %}
                        {%- if routes %}
                            "routes": {{ add_static_routes(routes) }},
                        {%- endif %}
                        "use_dhcp": false
                        }
                    {%- endif %}
                {%- endfor %}
            {%- endif %}{#- if single_nic_setup -#}
        ]
    }
    {%- for net in value['provider_networks'] %}
        ,
        {
            "name": "br-pro{{keyloop.index0}}.{{loop.index0}}",
            {%- if value['type'] == 'ovs-dpdk' %}
                "type": "ovs_user_bridge",
            {%- else %}
                "type": "ovs_bridge",
            {%- endif %}
            "ovs_fail_mode": "secure",
            "members": [
                {
                "name": "pro{{keyloop.index0}}.{{loop.index0}}-pro{{keyloop.index0}}",
                "bridge_name": "br-pro{{keyloop.index0}}.{{loop.index0}}",
                "type": "ovs_patch_port",
                "peer": "pro{{keyloop.index0}}-pro{{keyloop.index0}}.{{loop.index0}}"
                }
            ]
        }
    {%- endfor %}
{%- endfor %}

{#- configure vxlan bridge for dpdk cloud tenant -#}
{%- if CLOUD_TENANT in host_networking.keys() and 'interface' in host_networking[CLOUD_TENANT] and dpdk_in_use %}
    {%- set net = host_networking[CLOUD_TENANT] %}
    {%- if not loopvar.first_entry %},{%- endif %}
    {%- if loopvar.update({'first_entry': False}) %}{%- endif %}
    {
        "type": "ovs_user_bridge",
        "name": "br-vxlan",
        "addresses": [ { "ip_netmask": "{{ net['ip'] }}/{{net['mask']}}" } ],
        {%- if 'routes' in net %}
            "routes": {{ add_static_routes(net['routes']) }},
        {%- endif %}
        "members": [{
            "type": "vlan",
            "vlan_id": {{ net['vlan'] }},
            {%- for net_key,net_value in host_interface_net_mapping.iteritems() %}
                {%- if CLOUD_TENANT in net_value %}
                    "device": "{{net_key}}",
                {%- endif %}
            {%- endfor %}
            {%- if 'mtu' in net %}{% set mtu = net['mtu'] %}{% else %}{% set mtu = default_mtu %}{% endif %}
            {% set mtu = mtu + VXLAN_HDR_LEN %}
            "mtu": {{mtu}},
            "use_dhcp": false
        }],
        "ovs_extra": [ "br-set-external-id br-vxlan bridge-id br-vxlan" ]
    }
{%- endif %}
{%- endif %}{#- if config_phase != 'setup' or single_nic_setup -#}

{#- configure sr-iov ifaces -#}
{%- if config_phase != 'setup' %}
    {%- for iface,mtu in sriov_mtus.iteritems() %}
        {%- if iface not in configured_phys_ifaces %}
            {%- if not loopvar.first_entry %},{%- endif %}
            {%- if loopvar.update({'first_entry': False}) %}{%- endif %}
            {
                "name": "{{iface}}",
                "type": "interface",
                "mtu": {{mtu}},
                "use_dhcp": false
            }
        {%- endif %}
    {%- endfor %}
{%- endif %}{#- if config_phase != 'setup' -#}
]
}