Arista Layer 3 Sevice Plugin

This sevice plugin implements routing functions on Arista HW.

Change-Id: Ide411540254db015167111defee7d8c6c1c27347
Implements: blueprint arista-l3-service-plugin

etc/neutron/plugins/ml2/ml2_conf_arista.ini

@@ -43,3 +43,58 @@
 #
 # region_name =
 # Example: region_name = RegionOne
+
+
+[l3_arista]
+
+# (StrOpt) primary host IP address. This is required field. If not set, all
+#          communications to Arista EOS will fail. This is the host where
+#          primary router is created.
+#
+# primary_l3_host =
+# Example: primary_l3_host = 192.168.10.10
+#
+# (StrOpt) Primary host username. This is required field.
+#          if not set, all communications to Arista EOS will fail.
+#
+# primary_l3_host_username =
+# Example: arista_primary_l3_username = admin
+#
+# (StrOpt) Primary host password. This is required field.
+#          if not set, all communications to Arista EOS will fail.
+#
+# primary_l3_host_password =
+# Example: primary_l3_password = my_password
+#
+# (StrOpt) IP address of the second Arista switch paired as
+#          MLAG (Multi-chassis Link Aggregation) with the first.
+#          This is optional field, however, if mlag_config flag is set,
+#          then this is a required field. If not set, all
+#          communications to Arista EOS will fail. If mlag_config is set
+#          to False, then this field is ignored
+#
+# seconadary_l3_host =
+# Example: seconadary_l3_host = 192.168.10.20
+#
+# (BoolOpt) Defines if Arista switches are configured in MLAG mode
+#          If yes, all L3 configuration is pushed to both switches
+#          automatically. If this flag is set, ensure that secondary_l3_host
+#          is set to the second switch's IP.
+#          This flag is Optional. If not set, a value of "False" is assumed.
+#
+# mlag_config =
+# Example: mlag_config = True
+#
+# (BoolOpt) Defines if the router is created in default VRF or a
+#          a specific VRF. This is optional.
+#          If not set, a value of "False" is assumed.
+#
+# Example: use_vrf = True
+#
+# (IntOpt) Sync interval in seconds between Neutron plugin and EOS.
+#          This field defines how often the synchronization is performed.
+#          This is an optional field. If not set, a value of 180 seconds
+#          is assumed.
+#
+# l3_sync_interval =
+# Example: l3_sync_interval = 60