sonic-buildimage/files/image_config/interfaces/interfaces.j2
geogchen 90a849ea85
Add support for generating interface configuration in /etc/network/interfaces for multiple management interfaces (#11204)
* [Interfaces] Modify template to support multiple management interfaces

* Modify minigraph to process interfaces in sorted order

Signed-off-by: Ubuntu <gechen@gechen-sonic-dev.d0r25nej54guppclip4gpy5b5a.jx.internal.cloudapp.net>

* Add UT minigraph

Signed-off-by: Ubuntu <gechen@gechen-sonic-dev.d0r25nej54guppclip4gpy5b5a.jx.internal.cloudapp.net>

* make case insensitve comparison

Signed-off-by: George Chen <gechen@microsoft.com>

* Use natural sort

Signed-off-by: George Chen <gechen@microsoft.com>

Co-authored-by: Ubuntu <gechen@gechen-sonic-dev.d0r25nej54guppclip4gpy5b5a.jx.internal.cloudapp.net>
2022-06-21 10:16:10 -07:00

118 lines
4.3 KiB
Django/Jinja

#
{% block banner %}
# =============== Managed by SONiC Config Engine DO NOT EDIT! ===============
# generated from /usr/share/sonic/templates/interfaces.j2 using sonic-cfggen
# file: /etc/network/interfaces
#
{% endblock banner %}
{% block mgmt_vrf %}
{% if (MGMT_VRF_CONFIG) and (MGMT_VRF_CONFIG['vrf_global']['mgmtVrfEnabled'] == "true") %}
auto mgmt
iface mgmt
vrf-table 5000
# The loopback network interface for mgmt VRF that is required for applications like NTP
up ip link add lo-m type dummy
up ip link set dev lo-m master mgmt
up ip addr add 127.0.0.1/16 dev lo-m
up ip link set lo-m up
down ip link delete dev lo-m
{% endif %}
{% endblock mgmt_vrf %}
{% block loopback %}
# The loopback network interface
auto lo
iface lo inet loopback
address 127.0.0.1
netmask 255.255.0.0
scope host
post-up ip addr del 127.0.0.1/8 dev lo
{% endblock loopback %}
{% block mgmt_interface %}
# The management network interface
{% if MGMT_INTERFACE %}
{% for (name, prefix) in MGMT_INTERFACE|pfx_filter|unique(attribute=0) %}
auto {{ name }}
{% endfor %}
{% endif %}
{% if (ZTP_DHCP_DISABLED is not defined) and (ZTP is defined) and (ZTP['mode'] is defined and ZTP['mode']['profile'] == 'active') %}
# ZTP out-of-band interface
{% if MGMT_INTERFACE %}
{% for (name, prefix) in MGMT_INTERFACE|pfx_filter|unique(attribute=0) %}
allow-hotplug {{ name }}
{% if ZTP['mode']['ipv4'] == 'true' %}
iface {{ name }} inet dhcp
{% endif %}
{% if ZTP['mode']['ipv6'] == 'true' %}
iface {{ name }} inet6 dhcp
up sysctl net.ipv6.conf.{{ name }}.accept_ra=1
down sysctl net.ipv6.conf.{{ name }}.accept_ra=0
{% endif %}
{% endfor %}
{% endif %}
{% if ZTP['mode']['inband'] == 'true' %}
{% for port in PORT %}
# ZTP in-band interface {{ port }}
auto {{ port }}
allow-hotplug {{ port }}
{% if PORT_DATA['PORT_TABLE:'+port] is defined and PORT_DATA['PORT_TABLE:'+port]['value']['oper_status'] == 'up' %}
{% if ZTP['mode']['ipv4'] == 'true' %}
iface {{ port }} inet dhcp
{% endif %}
{% if ZTP['mode']['ipv6'] == 'true' %}
iface {{ port }} inet6 dhcp
{% endif %}
{% endif %}
{% endfor %}
{% endif %}
{% else %}
{% if MGMT_INTERFACE %}
{% for (name, prefix) in MGMT_INTERFACE|pfx_filter %}
iface {{ name }} {{ 'inet' if prefix | ipv4 else 'inet6' }} static
address {{ prefix | ip }}
netmask {{ prefix | netmask if prefix | ipv4 else prefix | prefixlen }}
network {{ prefix | network }}
broadcast {{ prefix | broadcast }}
{% set vrf_table = 'default' %}
{% if (MGMT_VRF_CONFIG) and (MGMT_VRF_CONFIG['vrf_global']['mgmtVrfEnabled'] == "true") %}
{% set vrf_table = '5000' %}
vrf mgmt
{% endif %}
########## management network policy routing rules
# management port up rules
up ip {{ '-4' if prefix | ipv4 else '-6' }} route add default via {{ MGMT_INTERFACE[(name, prefix)]['gwaddr'] }} dev {{ name }} table {{ vrf_table }} metric 201
up ip {{ '-4' if prefix | ipv4 else '-6' }} route add {{ prefix | network }}/{{ prefix | prefixlen }} dev {{ name }} table {{ vrf_table }}
up ip {{ '-4' if prefix | ipv4 else '-6' }} rule add pref 32765 from {{ prefix | ip }}/{{ '32' if prefix | ipv4 else '128' }} table {{ vrf_table }}
{% for route in MGMT_INTERFACE[(name, prefix)]['forced_mgmt_routes'] %}
up ip rule add pref 32764 to {{ route }} table {{ vrf_table }}
{% endfor %}
# management port down rules
pre-down ip {{ '-4' if prefix | ipv4 else '-6' }} route delete default via {{ MGMT_INTERFACE[(name, prefix)]['gwaddr'] }} dev {{ name }} table {{ vrf_table }}
pre-down ip {{ '-4' if prefix | ipv4 else '-6' }} route delete {{ prefix | network }}/{{ prefix | prefixlen }} dev {{ name }} table {{ vrf_table }}
pre-down ip {{ '-4' if prefix | ipv4 else '-6' }} rule delete pref 32765 from {{ prefix | ip }}/{{ '32' if prefix | ipv4 else '128' }} table {{ vrf_table }}
{% for route in MGMT_INTERFACE[(name, prefix)]['forced_mgmt_routes'] %}
pre-down ip rule delete pref 32764 to {{ route }} table {{ vrf_table }}
{% endfor %}
{# TODO: COPP policy type rules #}
{% endfor %}
{% else %}
iface eth0 inet dhcp
metric 202
{% if (MGMT_VRF_CONFIG) and (MGMT_VRF_CONFIG['vrf_global']['mgmtVrfEnabled'] == "true") %}
vrf mgmt
{% endif %}
iface eth0 inet6 dhcp
up sysctl net.ipv6.conf.eth0.accept_ra=1
down sysctl net.ipv6.conf.eth0.accept_ra=0
{% endif %}
{% endif %}
#
source /etc/network/interfaces.d/*
#
{% endblock mgmt_interface %}