Use unified vars in task

Ansible task support vars directive, no need implement another one in
merge_config. This patch remove the vars directive in merge_config
action plugin.

Change-Id: I33648a2b6e39b4d49ce76eb66fbf2522721f8c68

ansible/action_plugins/merge_configs.py

@@ -98,8 +98,6 @@ class ActionModule(action.ActionBase):
 
     def run(self, tmp=None, task_vars=None):
 
-        if task_vars is None:
-            task_vars = dict()
         result = super(ActionModule, self).run(tmp, task_vars)
 
         # NOTE(jeffrey4l): Ansible 2.1 add a remote_user param to the
@@ -114,22 +112,15 @@ class ActionModule(action.ActionBase):
             tmp = self._make_tmp_path(remote_user)
 
         sources = self._task.args.get('sources', None)
-        extra_vars = self._task.args.get('vars', list())
 
         if not isinstance(sources, list):
             sources = [sources]
 
-        temp_vars = task_vars.copy()
-        temp_vars.update(extra_vars)
-
         config = OverrideConfigParser()
-        old_vars = self._templar._available_variables
-        self._templar.set_available_variables(temp_vars)
 
         for source in sources:
             self.read_config(source, config)
 
-        self._templar.set_available_variables(old_vars)
         # Dump configparser to string via an emulated file
 
         fakefile = StringIO()
@@ -140,7 +131,6 @@ class ActionModule(action.ActionBase):
         fakefile.close()
 
         new_module_args = self._task.args.copy()
-        new_module_args.pop('vars', None)
         new_module_args.pop('sources', None)
 
         new_module_args.update(

ansible/roles/aodh/tasks/config.yml

@@ -25,9 +25,9 @@
     - Restart aodh-notifier container
 
 - name: Copying over aodh.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/aodh.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/barbican/tasks/config.yml

@@ -54,9 +54,9 @@
     - Restart barbican-api container
 
 - name: Copying over barbican.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/barbican.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/ceilometer/tasks/config.yml

@@ -43,9 +43,9 @@
     - Restart ceilometer-api container
 
 - name: Copying over ceilometer.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/ceilometer.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/ceph/tasks/config.yml

@@ -19,9 +19,9 @@
     - "ceph-rgw"
 
 - name: Copying over ceph.conf
-  merge_configs:
   vars:
     service_name: "{{ item }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/ceph.conf.j2"
       - "{{ node_custom_config }}/ceph.conf"

ansible/roles/cinder/tasks/ceph.yml

@@ -9,9 +9,9 @@
   when: inventory_hostname in groups['cinder-volume']
 
 - name: Copying over ceph.conf(s)
-  merge_configs:
   vars:
     service_name: "{{ item }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/../ceph/templates/ceph.conf.j2"
       - "{{ node_custom_config }}/ceph.conf"

ansible/roles/cinder/tasks/config.yml

@@ -44,9 +44,9 @@
     - Restart cinder-api container
 
 - name: Copying over cinder.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/cinder.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/cinder/tasks/external_ceph.yml

@@ -10,9 +10,9 @@
     - backup
 
 - name: Copying over ceph.conf for Cinder
-  merge_configs:
   vars:
     service_name: "{{ item }}"
+  merge_configs:
     sources:
       - "{{ node_custom_config }}/cinder/ceph.conf"
       - "{{ node_custom_config }}/cinder/{{ item }}/ceph.conf"

ansible/roles/cloudkitty/tasks/config.yml

@@ -23,9 +23,9 @@
     - Restart cloudkitty-processor container
 
 - name: Copying over cloudkitty.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/cloudkitty.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/congress/tasks/config.yml

@@ -20,9 +20,9 @@
     - "Restart {{ item.key }} container"
 
 - name: Copying over congress.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/congress.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/designate/tasks/config.yml

@@ -27,9 +27,9 @@
     - Restart designate-worker container
 
 - name: Copying over designate.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/designate.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/freezer/tasks/config.yml

@@ -34,9 +34,9 @@
     - Restart freezer-api container
 
 - name: Copying over freezer-api.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/freezer-api.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/glance/tasks/config.yml

@@ -23,9 +23,9 @@
     - Restart glance-registry container
 
 - name: Copying over glance-*.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/{{ item.key }}.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/gnocchi/tasks/ceph.yml

@@ -10,9 +10,9 @@
     - "gnocchi-statsd"
 
 - name: Copying over ceph.conf(s)
-  merge_configs:
   vars:
     service_name: "{{ item }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/../ceph/templates/ceph.conf.j2"
       - "{{ node_custom_config }}/ceph.conf"

ansible/roles/gnocchi/tasks/config.yml

@@ -24,9 +24,9 @@
     - Restart gnocchi-statsd container
 
 - name: Copying over gnocchi.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/gnocchi.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/grafana/tasks/config.yml

@@ -22,9 +22,9 @@
     - Restart grafana container
 
 - name: Copying over grafana.ini
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/grafana.ini.j2"
       - "{{ node_custom_config }}/{{ item.key }}.ini"

ansible/roles/heat/tasks/config.yml

@@ -31,9 +31,9 @@
     - "heat-engine"
 
 - name: Copying over heat.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/heat.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/ironic/tasks/config.yml

@@ -23,9 +23,9 @@
     - "ironic-dnsmasq"
 
 - name: Copying over ironic.conf
-  merge_configs:
   vars:
     service_name: "{{ item }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/ironic.conf.j2"
       - "{{ node_custom_config }}/global.conf"
@@ -40,9 +40,9 @@
     - "ironic-conductor"
 
 - name: Copying over inspector.conf
-  merge_configs:
   vars:
     service_name: "ironic-inspector"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/ironic-inspector.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/karbor/tasks/config.yml

@@ -24,9 +24,9 @@
     - Restart karbor-operationengine container
 
 - name: Copying over karbor.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/karbor.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/keystone/tasks/config.yml

@@ -32,9 +32,9 @@
     - Restart keystone-fernet container
 
 - name: Copying over keystone.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/keystone.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/kuryr/tasks/config.yml

@@ -22,9 +22,9 @@
     - Restart kuryr container
 
 - name: Copying over kuryr.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/kuryr.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/magnum/tasks/config.yml

@@ -23,9 +23,9 @@
     - Restart magnum-conductor container
 
 - name: Copying over magnum.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/magnum.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/manila/tasks/config.yml

@@ -22,9 +22,9 @@
     - "Restart {{ item.key }} container"
 
 - name: Copying over manila.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/manila.conf.j2"
       - "{{ node_custom_config }}/global.conf"
@@ -48,9 +48,8 @@
 - name: Copying over manila-share.conf
   vars:
     service: "{{ manila_services['manila-share'] }}"
-  merge_configs:
-    vars:
     service_name: "{{ item }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/manila.conf.j2"
       - "{{ role_path }}/templates/manila-share.conf.j2"

ansible/roles/mariadb/tasks/config.yml

@@ -15,9 +15,9 @@
     - "mariadb"
 
 - name: Copying over galera.cnf
-  merge_configs:
   vars:
     service_name: "{{ item }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/galera.cnf.j2"
       - "{{ node_custom_config }}/galera.cnf"

ansible/roles/mistral/tasks/config.yml

@@ -20,9 +20,9 @@
     - Restart {{ item.key }} container
 
 - name: Copying over mistral.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/mistral.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/murano/tasks/config.yml

@@ -17,9 +17,9 @@
     - "murano-engine"
 
 - name: Copying over murano.conf
-  merge_configs:
   vars:
     service_name: "{{ item }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/murano.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/neutron/tasks/config-neutron-fake.yml

@@ -18,9 +18,9 @@
     - neutron_plugin_agent == "openvswitch"
 
 - name: Copying over neutron.conf
-  merge_configs:
   vars:
     service_name: "{{ item }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/neutron.conf.j2"
       - "{{ node_custom_config }}/global.conf"
@@ -37,9 +37,9 @@
     - neutron_plugin_agent == "openvswitch"
 
 - name: Copying over ml2_conf.ini
-  merge_configs:
   vars:
     service_name: "{{ item }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/ml2_conf.ini.j2"
       - "{{ node_custom_config }}/neutron/ml2_conf.ini"

ansible/roles/nova/tasks/ceph.yml

@@ -9,9 +9,9 @@
   when: inventory_hostname in groups['compute']
 
 - name: Copying over ceph.conf(s)
-  merge_configs:
   vars:
     service_name: "{{ item }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/../ceph/templates/ceph.conf.j2"
       - "{{ node_custom_config }}/ceph.conf"

ansible/roles/nova/tasks/config-nova-fake.yml

@@ -17,9 +17,9 @@
     - Restart nova-compute-fake containers
 
 - name: Copying over nova.conf
-  merge_configs:
   vars:
     service_name: "{{ item }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/nova.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/nova/tasks/config.yml

@@ -45,9 +45,8 @@
       - nova-serialproxy
       - nova-scheduler
       - nova-spicehtml5proxy
-  merge_configs:
-    vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/nova.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/octavia/tasks/config.yml

@@ -22,9 +22,9 @@
     - "Restart {{ item.key }} container"
 
 - name: Copying over octavia.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/octavia.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/panko/tasks/config.yml

@@ -22,9 +22,9 @@
     - Restart panko-api container
 
 - name: Copying over panko.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/panko.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/rally/tasks/config.yml

@@ -22,9 +22,9 @@
     - Restart rally container
 
 - name: Copying over rally.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/rally.conf.j2"
       - "{{ node_custom_config }}/rally.conf"

ansible/roles/sahara/tasks/config.yml

@@ -23,9 +23,9 @@
     - Restart sahara-engine container
 
 - name: Copying over sahara.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/sahara.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/searchlight/tasks/config.yml

@@ -20,9 +20,9 @@
   with_dict: "{{ searchlight_services }}"
 
 - name: Copying over searchlight.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/searchlight.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/senlin/tasks/config.yml

@@ -23,9 +23,9 @@
     - Restart senlin-engine container
 
 - name: Copying over senlin.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/senlin.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/solum/tasks/config.yml

@@ -25,9 +25,9 @@
     - Restart solum-worker container
 
 - name: Copying over solum.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/solum.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/swift/tasks/config.yml

@@ -44,9 +44,9 @@
     - "swift-rsyncd"
 
 - name: Copying over swift.conf
-  merge_configs:
   vars:
     service_name: "swift-{{ item }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/swift.conf.j2"
       - "{{ node_custom_config }}/global.conf"
@@ -71,9 +71,9 @@
     - "proxy-server"
 
 - name: Copying over account-*.conf
-  merge_configs:
   vars:
     service_name: "swift-{{ item }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/account.conf.j2"
       - "{{ node_custom_config }}/global.conf"
@@ -88,9 +88,9 @@
     - "account-server"
 
 - name: Copying over container-*.conf
-  merge_configs:
   vars:
     service_name: "swift-{{ item }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/container.conf.j2"
       - "{{ node_custom_config }}/global.conf"
@@ -105,9 +105,9 @@
     - "container-updater"
 
 - name: Copying over object-*.conf
-  merge_configs:
   vars:
     service_name: "swift-{{ item }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/object.conf.j2"
       - "{{ node_custom_config }}/global.conf"
@@ -123,9 +123,9 @@
     - "object-updater"
 
 - name: Copying over proxy-server.conf
-  merge_configs:
   vars:
     service_name: "swift-{{ item }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/proxy-server.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/tacker/tasks/config.yml

@@ -22,9 +22,9 @@
     - Restart tacker container
 
 - name: Copying over tacker.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/tacker.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/tempest/tasks/config.yml

@@ -22,9 +22,9 @@
     - Restart tempest container
 
 - name: Copying over tempest.conf
-  merge_configs:
   vars:
     project_name: "tempest"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/tempest.conf.j2"
       - "{{ node_custom_config }}/tempest.conf"

ansible/roles/trove/tasks/config.yml

@@ -36,9 +36,9 @@
     - Restart trove-taskmanager container
 
 - name: Copying over trove.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/trove.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/watcher/tasks/config.yml

@@ -24,9 +24,9 @@
     - Restart watcher-applier container
 
 - name: Copying over watcher.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/watcher.conf.j2"
       - "{{ node_custom_config }}/global.conf"

ansible/roles/zun/tasks/config.yml

@@ -21,9 +21,9 @@
     - Restart zun-compute container
 
 - name: Copying over zun.conf
-  merge_configs:
   vars:
     service_name: "{{ item.key }}"
+  merge_configs:
     sources:
       - "{{ role_path }}/templates/zun.conf.j2"
       - "{{ node_custom_config }}/global.conf"