make specification of fabric interfaces configurable
Change-Id: I0b0414929d9f6262c65eb92e619ae0b3a6fbcc2f
(cherry picked from commit cedbba4c400d3db18ce4ac6a21d6319b25cc364c)
diff --git a/config/sample.yml b/config/sample.yml
index 07cb222..640c8c2 100644
--- a/config/sample.yml
+++ b/config/sample.yml
@@ -31,6 +31,13 @@
# Internet
# management_network - the network and mask bits to used for hosts on the management
# network
+ # fabric_iface_spec - specifies the NIC types that will be used for the leaf spine
+ # fabric in the deployment. This defaults to "i40e|mlx4_en". The
+ # format is values separated by a vertical bar '|' without spaces.
+ # The value that this is compared against is the value return by
+ # `ethtool -i <iface>` on the head and compute nodes.
+ #
+ #fabric_iface_spec: one|two|three
fabric_ip: '10.6.1.1/24'
management_ip: '10.6.0.1/24'
external_ip: '47.135.132.21/24'