Use the children group for site.yml

1. Use the children group for site.yml
2. Add some missing groups

Change-Id: I01d686368b11a105a8965cf987d23772ecbf97de

ansible/site.yml

@@ -467,6 +467,7 @@
     - prometheus-node-exporter
     - prometheus-mysqld-exporter
     - prometheus-haproxy-exporter
+    - prometheus-memcached-exporter
     - prometheus-cadvisor
     - prometheus-alertmanager
     - prometheus-openstack-exporter
@@ -600,7 +601,9 @@
 - name: Apply role karbor
   gather_facts: false
   hosts:
-    - karbor
+    - karbor-api
+    - karbor-protection
+    - karbor-operationengine
     - '&enable_karbor_True'
   serial: '{{ kolla_serial|default("0") }}'
   roles:
@@ -798,6 +801,8 @@
     - solum-worker
     - solum-deployer
     - solum-conductor
+    - solum-application-deployment
+    - solum-image-builder
     - '&enable_solum_True'
   serial: '{{ kolla_serial|default("0") }}'
   roles:
@@ -823,6 +828,7 @@
     - mistral-api
     - mistral-engine
     - mistral-executor
+    - mistral-event-engine
     - '&enable_mistral_True'
   serial: '{{ kolla_serial|default("0") }}'
   roles:
@@ -958,7 +964,9 @@
 - name: Apply role cyborg
   gather_facts: false
   hosts:
-    - cyborg
+    - cyborg-api
+    - cyborg-agent
+    - cyborg-conductor
     - '&enable_cyborg_True'
   serial: '{{ serial|default("0") }}'
   roles: