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[interfaces]: Support ifup/ifdown on VLAN/LAG members (#462)

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- This change is added so that when doing ifdown/ifup to flap the
  interface, it will success even when the interface is already
  enslaved as a member of VLAN.
- LAG members do not have IP addresses. Thus ifconfig command is
  needed.
- Do not display comments when not necessary.

Signed-off-by: Shuotian Cheng <shuche@microsoft.com>
This commit is contained in:
Shuotian Cheng 2017-04-04 01:41:42 -07:00 committed by GitHub
parent b7d2009b14
commit bd6976a6fa
2 changed files with 18 additions and 8 deletions
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14
files/image_config/interfaces/interfaces.j2
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@ -53,29 +53,36 @@ iface {{ interface['attachto'] }} {{ 'inet' if interface['addr'] | ipv4 else 'in
netmask {{ interface['mask'] }} netmask {{ interface['mask'] }}
# #
{% endfor %} {% endfor %}
{% if minigraph_vlans.keys() | length %}
# "|| true" is added to suppress the error when interface is already a member of VLAN
{% endif %}
{% for vlan in minigraph_vlans.keys()|sort %} {% for vlan in minigraph_vlans.keys()|sort %}
{% for member in minigraph_vlans[vlan]['members'] %} {% for member in minigraph_vlans[vlan]['members'] %}
auto {{ member }} auto {{ member }}
allow-hotplug {{ member }} allow-hotplug {{ member }}
iface {{ member }} inet manual iface {{ member }} inet manual
pre-up ifconfig {{ member }} up pre-up ifconfig {{ member }} up
post-up brctl addif {{ vlan }} {{ member }} post-up brctl addif {{ vlan }} {{ member }} || true
post-down ifconfig {{ member }} down post-down ifconfig {{ member }} down
# #
{% endfor %} {% endfor %}
{% endfor %} {% endfor %}
# "|| true" is added to suppress the error when docker-teamd starts after docker-swss {% if minigraph_portchannels.keys() | length %}
# "|| true" is added to suppress the error when interface is already a member of LAG
{% endif %}
{% for pc in minigraph_portchannels.keys()|sort %} {% for pc in minigraph_portchannels.keys()|sort %}
{% for member in minigraph_portchannels[pc]['members'] %} {% for member in minigraph_portchannels[pc]['members'] %}
auto {{ member }} auto {{ member }}
allow-hotplug {{ member }} allow-hotplug {{ member }}
iface {{ member }} inet manual iface {{ member }} inet manual
pre-up teamdctl {{ pc }} port add {{ member }} || true pre-up teamdctl {{ pc }} port add {{ member }} || true
post-up ifconfig {{ member }} up
post-down ifconfig {{ member }} down post-down ifconfig {{ member }} down
# #
{% endfor %} {% endfor %}
{% endfor %} {% endfor %}
{% endblock front_panel_interfaces %} {% endblock front_panel_interfaces %}
{% if minigraph_vlans.keys() | length %}
{% block vlan_interfaces %} {% block vlan_interfaces %}
# Vlan interfaces # Vlan interfaces
{% for vlan_interface in minigraph_vlan_interfaces %} {% for vlan_interface in minigraph_vlan_interfaces %}
@ -87,6 +94,8 @@ iface {{ vlan_interface['attachto'] }} {{ 'inet' if vlan_interface['addr'] | ipv
{% endfor %} {% endfor %}
# #
{% endblock vlan_interfaces %} {% endblock vlan_interfaces %}
{% endif %}
{% if minigraph_portchannels.keys() | length %}
{% block pc_interfaces %} {% block pc_interfaces %}
# Portchannel interfaces # Portchannel interfaces
{% for pc_interface in minigraph_portchannel_interfaces %} {% for pc_interface in minigraph_portchannel_interfaces %}
@ -98,3 +107,4 @@ iface {{ pc_interface['attachto'] }} {{ 'inet' if pc_interface['addr'] | ipv4 el
# #
{% endfor %} {% endfor %}
{% endblock pc_interfaces %} {% endblock pc_interfaces %}
{% endif %}