ovn: Document chassis->name for ovn-controller-vtep.

ovn-controller-vtep populates the Chassis name field with the name
column from the Physical_Switch table in the hardware_vtep database.
Add this to the documentation of the OVN_Southbound schema.

Signed-off-by: Russell Bryant <russell@ovn.org>
Acked-By: Kyle Mestery <mestery@mestery.com>
Acked-by: Justin Pettit <jpettit@ovn.org>

diff --git a/ovn/ovn-sb.xml b/ovn/ovn-sb.xml
index e1a5812..effedb0 100644 (file)
--- a/ovn/ovn-sb.xml
+++ b/ovn/ovn-sb.xml
@@ -156,10 +156,14 @@
     </p>
 
     <column name="name">
-      A chassis name, taken from <ref key="system-id" table="Open_vSwitch"
-      column="external_ids" db="Open_vSwitch"/> in the Open_vSwitch
-      database's <ref table="Open_vSwitch" db="Open_vSwitch"/> table.  OVN does
-      not prescribe a particular format for chassis names.
+      OVN does not prescribe a particular format for chassis names.
+      ovn-controller populates this column using <ref key="system-id"
+      table="Open_vSwitch" column="external_ids" db="Open_vSwitch"/>
+      in the Open_vSwitch database's <ref table="Open_vSwitch"
+      db="Open_vSwitch"/> table.  ovn-controller-vtep populates this
+      column with <ref table="Physical_Switch" column="name"
+      db="hardware_vtep"/> in the hardware_vtep database's
+      <ref table="Physical_Switch" db="hardware_vtep"/> table.
     </column>
 
     <column name="hostname">