Filter services dictionary per host

To greatly reduce the amount of log noise from skipped tasks, set a
fact upfront in the role that filters the 'neutron_services' dict
to one that only contains services relevant for each host.

Change-Id: I66aadb8f75cbfdfd75dea6d9f96501072cf04d3c

tasks/main.yml

@@ -41,6 +41,19 @@
   tags:
     - always
 
+- name: Set filtered dictionary of neutron services
+  set_fact:
+    filtered_neutron_services: >
+      {%- set services = neutron_services.copy() %}
+      {%- for key,value in neutron_services.items() %}
+      {%- if value.group not in group_names or not value.service_en %}
+      {%- set _ = services.pop(key) %}
+      {%- endif %}
+      {%- endfor %}
+      {{- services -}}
+  tags:
+    - always
+
 - include: neutron_ml2_ovs_powervm.yml
   static: no
   when:

tasks/neutron_init_common.yml

@@ -22,9 +22,6 @@
   service:
    name: "{{ item.value.service_name }}"
    enabled: "yes"
-  with_dict: "{{ neutron_services }}"
-  when:
-    - inventory_hostname in groups[item.value.group] | default([])
-    - "{{ item.value.service_en | default(true) }}"
+  with_dict: "{{ filtered_neutron_services }}"
   notify:
     - Restart neutron services

tasks/neutron_init_systemd.yml

@@ -20,8 +20,7 @@
     owner: "{{ neutron_system_user_name }}"
     group: "{{ neutron_system_group_name }}"
     mode: "02755"
-  with_dict: "{{ neutron_services }}"
-  when: inventory_hostname in groups[item.value.group] | default([])
+  with_dict: "{{ filtered_neutron_services }}"
 
 - name: Create TEMP lock dir
   file:
@@ -30,8 +29,7 @@
     owner: "{{ neutron_system_user_name }}"
     group: "{{ neutron_system_group_name }}"
     mode: "02755"
-  with_dict: "{{ neutron_services }}"
-  when: inventory_hostname in groups[item.value.group] | default([])
+  with_dict: "{{ filtered_neutron_services }}"
 
 # TODO(mgariepy):
 # Remove this in Pike as it only needed to handle upgrades
@@ -40,8 +38,7 @@
   file:
     path: "/etc/tmpfiles.d/{{ item.value.service_name }}.conf"
     state: absent
-  with_dict: "{{ neutron_services }}"
-  when: inventory_hostname in groups[item.value.group] | default([])
+  with_dict: "{{ filtered_neutron_services }}"
 
 - name: Create tmpfiles.d entry
   template:
@@ -50,8 +47,7 @@
     mode: "0644"
     owner: "root"
     group: "root"
-  with_dict: "{{ neutron_services }}"
-  when: inventory_hostname in groups[item.value.group] | default([])
+  with_dict: "{{ filtered_neutron_services }}"
 
 - name: Place the systemd init script
   config_template:
@@ -62,7 +58,6 @@
     group: "root"
     config_overrides: "{{ item.value.init_config_overrides }}"
     config_type: "ini"
-  with_dict: "{{ neutron_services }}"
-  when: inventory_hostname in groups[item.value.group] | default([])
+  with_dict: "{{ filtered_neutron_services }}"
   notify:
     - Reload systemd daemon

tasks/neutron_post_install.yml

@@ -85,14 +85,12 @@
     mode: "0640"
     config_overrides: "{{ item.value.config_overrides }}"
     config_type: "{{ item.value.config_type }}"
-  with_dict: "{{ neutron_services }}"
+  with_dict: "{{ filtered_neutron_services }}"
   notify:
     - Restart neutron services
   when:
-    - item.value.service_en | bool
     - item.value.service_conf_path is defined
     - item.value.service_conf is defined
-    - item.value.group in group_names
 
 - name: Copy neutron rootwrap filters
   copy:
@@ -111,9 +109,8 @@
     dest: "{{ neutron_conf_dir }}/{{ item.value.service_rootwrap }}"
     owner: "root"
     group: "root"
-  with_dict: "{{ neutron_services }}"
+  with_dict: "{{ filtered_neutron_services }}"
   when:
-      - item.value.service_en | bool
       - item.value.service_rootwrap is defined
   notify:
     - Restart neutron services