Add Watcher default settings

This adds:
  - AIO and multinode inventory samples
  - Password (blank) fields for default password.yml
  - Default to not enabled, in globals.yml

This is the last changeset in the series to add basic
Watcher functionality to Kolla.

Change-Id: I9daec0eadc8dad3d37e03e7d69783af003af0916
Closes-bug: #1598929
Partially-implements: blueprint watcher
Signed-off-by: Dave Walker (Daviey) <email@daviey.com>

ansible/inventory/all-in-one

@@ -87,10 +87,12 @@ control
 [ceilometer:children]
 control
 
-# Tempest
 [tempest:children]
 control
 
+[watcher:children]
+control
+
 # Additional control implemented here. These groups allow you to control which
 # services run on which hosts at a per-service level.
 #
@@ -252,3 +254,13 @@ compute
 # Multipathd
 [multipathd:children]
 compute
+
+# Watcher
+[watcher-api:children]
+watcher
+
+[watcher-engine:children]
+watcher
+
+[watcher-applier:children]
+watcher

ansible/inventory/multinode

@@ -103,6 +103,9 @@ control
 [tempest:children]
 control
 
+[watcher:children]
+control
+
 # Additional control implemented here. These groups allow you to control which
 # services run on which hosts at a per-service level.
 #
@@ -264,3 +267,13 @@ compute
 # Multipathd
 [multipathd:children]
 compute
+
+# Watcher
+[watcher-api:children]
+watcher
+
+[watcher-engine:children]
+watcher
+
+[watcher-applier:children]
+watcher

etc/kolla/globals.yml

@@ -125,6 +125,7 @@ neutron_external_interface: "eth1"
 #enable_neutron_qos: "no"
 #enable_swift: "no"
 #enable_tempest: "no"
+#enable_watcher: "no"
 
 # Control usage of ceph per service. This allows to configure external ceph
 # when ceph is not deployed by Kolla.

etc/kolla/passwords.yml

@@ -61,6 +61,9 @@ mistral_keystone_password:
 ceilometer_database_password:
 ceilometer_keystone_password:
 
+watcher_database_password:
+watcher_keystone_password:
+
 horizon_secret_key:
 
 telemetry_secret_key: