Support interface name map for Dell LLDP switch port workaround

The current implementation only works if all compute nodes in the system
have the same interface name for their provisioning network. This change
adds a default value and a map for exceptions

ansible/group_vars/all/inspector

@@ -58,9 +58,13 @@ inspector_ipmi_username: "{{ ipmi_username }}"
 # Ironic inspector IPMI password to set.
 inspector_ipmi_password: "{{ ipmi_password }}"
 
-# Ironic inspector network interface name on which to check for an LLDP switch
-# port description to use as the node's name.
-inspector_lldp_switch_port_interface:
+# Ironic inspector default network interface name on which to check for an LLDP
+# switch port description to use as the node's name.
+inspector_lldp_switch_port_interface_default:
+
+# Ironic inspector map from hostname to network interface name on which to
+# check for an LLDP switch port description to use as the node's name.
+inspector_lldp_switch_port_interface_map: {}
 
 ###############################################################################
 # Ironic inspector introspection rules configuration.

ansible/overcloud-introspection-rules-dell-lldp-workaround.yml

@@ -53,7 +53,7 @@
         - action: "set-attribute"
           path: "name"
           value: "{{ item.1.1.description }}"
-    inspector_rule_var_lldp_switch_port_interface: "{{ inspector_lldp_switch_port_interface }}"
+    inspector_rule_var_lldp_switch_port_interface: "{{ inspector_lldp_switch_port_interface_map.get(item.1.1.description, inspector_lldp_switch_port_interface_default) }}"
 
   pre_tasks:
     - name: Validate OpenStack password authentication parameters

etc/kayobe/inspector.yml

@@ -45,9 +45,13 @@
 # Ironic inspector IPMI password to set.
 #inspector_ipmi_password:
 
-# Ironic inspector network interface name on which to check for an LLDP switch
-# port description to use as the node's name.
-#inspector_lldp_switch_port_interface:
+# Ironic inspector default network interface name on which to check for an LLDP
+# switch port description to use as the node's name.
+#inspector_lldp_switch_port_interface_default:
+
+# Ironic inspector map from hostname to network interface name on which to
+# check for an LLDP switch port description to use as the node's name.
+#inspector_lldp_switch_port_interface_map:
 
 ###############################################################################
 # Ironic inspector introspection rules configuration.