Remove hardcoded designate backend

Add conditionals to deploy bind9 as backend
for designate, this way will easy third parties
to deploy or develop custom backends.

Change-Id: Ie61a3927ecb9366476cf3fbe0a866f8ea843d100

ansible/group_vars/all.yml

@@ -440,6 +440,8 @@ cloudkitty_collector_backend: "ceilometer"
 #######################
 # Designate options
 #######################
+# Valid options are [ bind9 ]
+designate_backend: "bind9"
 designate_ns_record: "sample.openstack.org"
 
 #######################

ansible/roles/designate/tasks/config.yml

@@ -61,6 +61,9 @@
     - "{{ node_custom_config }}/designate/designate-backend-bind9/named.conf"
     - "{{ node_custom_config }}/designate/named.conf"
     - "{{ role_path }}/templates/named.conf.j2"
+  when:
+    - designate_backend == 'bind9'
+    - inventory_hostname in groups['designate-backend-bind9']
 
 - name: Copying over rndc.conf
   template:
@@ -69,6 +72,10 @@
   with_items:
     - "designate-backend-bind9"
     - "designate-worker"
+  when:
+    - designate_backend == 'bind9'
+    - inventory_hostname in groups['designate-backend-bind9']
+      or inventory_hostname in groups['designate-worker']
 
 - name: Copying over rndc.key
   template:
@@ -77,6 +84,10 @@
   with_items:
     - "designate-backend-bind9"
     - "designate-worker"
+  when:
+    - designate_backend == 'bind9'
+    - inventory_hostname in groups['designate-backend-bind9']
+      or inventory_hostname in groups['designate-worker']
 
 - name: Check if policies shall be overwritten
   local_action: stat path="{{ node_custom_config }}/designate/policy.json"

ansible/roles/designate/tasks/precheck.yml

@@ -36,6 +36,7 @@
     connect_timeout: 1
     state: stopped
   when:
+    - designate_backend == 'bind9'
     - container_facts['designate_backend_bind9'] is not defined
     - inventory_hostname in groups['designate-backend-bind9']
 
@@ -46,5 +47,6 @@
     connect_timeout: 1
     state: stopped
   when:
+    - designate_backend == 'bind9'
     - container_facts['designate_backend_bind9'] is not defined
     - inventory_hostname in groups['designate-backend-bind9']

ansible/roles/designate/tasks/pull.yml

@@ -39,4 +39,6 @@
     action: "pull_image"
     common_options: "{{ docker_common_options }}"
     image: "{{ designate_backend_bind9_image_full }}"
-  when: inventory_hostname in groups['designate-backend-bind9']
+  when:
+    - designate_backend == 'bind9'
+    - inventory_hostname in groups['designate-backend-bind9']

ansible/roles/designate/tasks/start.yml

@@ -10,7 +10,9 @@
       - "/etc/localtime:/etc/localtime:ro"
       - "kolla_logs:/var/log/kolla/"
       - "designate_backend_bind9:/var/lib/named/"
-  when: inventory_hostname in groups['designate-backend-bind9']
+  when:
+    - designate_backend == 'bind9'
+    - inventory_hostname in groups['designate-backend-bind9']
 
 - name: Starting designate-central container
   kolla_docker:

ansible/roles/designate/templates/pools.yaml.j2

@@ -1,3 +1,4 @@
+{% if designate_backend == 'bind9' %}
 - name: default-bind
   id: {{ designate_pool_id }}
   description: Default BIND9 Pool
@@ -26,3 +27,4 @@
         rndc_port: {{ designate_rndc_port }}
         rndc_key_file: /etc/designate/rndc.key
 {% endfor %}
+{% endif %}

etc/kolla/globals.yml

@@ -253,9 +253,10 @@ kolla_internal_vip_address: "10.10.10.254"
 #######################
 # Designate options
 #######################
+# Valid options are [ bind9 ]
+designate_backend: "bind9"
 designate_ns_record: "sample.openstack.org"
 
-
 #########################
 # Nova - Compute Options
 #########################