Support role specific MessageOfTheDay

This implements support for overriding the MessageOfTheDay parameter for
individual roles, so that users can set different motd text for each
role.

Change-Id: I113da365e685b024720753e7a09be32109c96c9e

ci/environments/scenario007-multinode-containers.yaml

@@ -91,6 +91,8 @@ parameter_defaults:
     * evidence of criminal activity, system personnel may provide    *
     * the evidence from such monitoring to law enforcement officials.*
     ******************************************************************
+  MessageOfTheDay: |
+    This is a test message of MessageOfTheDay
   ControllerParameters:
     BannerText: |
       ******************************************************************
@@ -102,6 +104,9 @@ parameter_defaults:
       * the evidence from such monitoring to law enforcement officials.*
       ******************************************************************
       This node is a Controller node.
+    MessageOfTheDay: |
+      This is a test message of MessageOfTheDay
+      This node is a Controller node.
   # we don't deploy Swift so we switch to file backend.
   GlanceBackend: 'file'
   IronicCleaningDiskErase: 'metadata'

ci/environments/scenario007-standalone.yaml

@@ -43,6 +43,8 @@ parameter_defaults:
     * evidence of criminal activity, system personnel may provide    *
     * the evidence from such monitoring to law enforcement officials.*
     ******************************************************************
+  MessageOfTheDay: |
+    This is a test message of MessageOfTheDay
   # we don't deploy Swift so we switch to file backend.
   GlanceBackend: 'file'
   NotificationDriver: 'noop'

deployment/sshd/sshd-baremetal-ansible.yaml

@@ -37,6 +37,8 @@ parameters:
     default: ''
     description: Configures /etc/motd text
     type: string
+    tags:
+      - role_specific
   SshServerOptions:
     default: {}
     description: Mapping of sshd_config values
@@ -73,7 +75,9 @@ conditions:
     - not: {equals: [{get_param: BannerText}, '']}
     - not: {equals: [{get_param: [RoleParameters, BannerText]}, '']}
   ssh_motd_text_set:
-    not: {equals: [{get_param: MessageOfTheDay}, '']}
+    or:
+    - not: {equals: [{get_param: MessageOfTheDay}, '']}
+    - not: {equals: [{get_param: [RoleParameters, MessageOfTheDay]}, '']}
 
 resources:
   RoleParametersValue:
@@ -84,9 +88,11 @@ resources:
         map_replace:
           - map_replace:
             - banner_text: BannerText
+              message_of_the_day: MessageOfTheDay
             - values: {get_param: [RoleParameters]}
           - values:
               BannerText: {get_param: BannerText}
+              MessageOfTheDay: {get_param: MessageOfTheDay}
 
 outputs:
   role_data:
@@ -119,4 +125,4 @@ outputs:
                 - ssh_motd_text_set
                 - true
                 - false
-            tripleo_sshd_message_of_the_day: {get_param: MessageOfTheDay}
+            tripleo_sshd_message_of_the_day: {get_attr: [RoleParametersValue, value, message_of_the_day]}