[CI] Optimise ovs setup

Change-Id: I28ec8e02054ea75efffe472672ff3ed46c6f2cf7

playbooks/openvswitch.yml

@@ -1,41 +0,0 @@
----
-- hosts: hypervisors
-  vars:
-    ansible_become: true
-  tasks:
-    - block:
-        - name: Install the Delorean repositories
-          get_url:
-            url: "{{ item }}"
-            dest: /etc/yum.repos.d/
-          with_items:
-            - "https://trunk.rdoproject.org/centos{{ ansible_facts.distribution_major_version }}-master/consistent/delorean.repo"
-            - "https://trunk.rdoproject.org/centos{{ ansible_facts.distribution_major_version }}-master/delorean-deps.repo"
-
-        - name: Install Open vSwitch
-          package:
-            name: openvswitch
-
-        - name: Start openvswitch service
-          service:
-            name: openvswitch
-            state: started
-      when:
-        - ansible_facts.os_family == "RedHat"
-
-    - block:
-        - name: Install packages
-          package:
-            name: "{{ item }}"
-          register: result
-          until: result is success
-          retries: 3
-          with_items:
-            - openvswitch-switch
-            - openvswitch-common
-
-        - name: Start openvswitch service
-          service:
-            name: openvswitch-switch
-            state: started
-      when: ansible_facts.os_family == "Debian"

playbooks/tenks-deploy-teardown/run.yml

@@ -6,16 +6,17 @@
     - name: Include common variables
       include_vars: common.yml
 
-    - name: Install Open vSwitch
-      shell:
-        cmd: >-
-          {{ ansible_playbook_bin }} -vvv
-          --inventory ansible/inventory
-          --extra-vars=@{{ tenks_overrides_path }}
-          playbooks/openvswitch.yml > {{ logs_dir }}/ansible/tenks-deploy
-        chdir: "{{ tenks_src_dir }}"
-      environment:
-        ANSIBLE_ROLES_PATH: "{{ tenks_src_dir }}/ansible/roles"
+    - name: Include OS-specific variables
+      include_vars: "{{ item }}"
+      with_first_found:
+        - files:
+            - "{{ ansible_facts.distribution }}-{{ ansible_facts.distribution_major_version }}.yml"
+            - "{{ ansible_facts.distribution }}.yml"
+            - "{{ ansible_facts.os_family }}.yml"
+          skip: true
+
+    - name: Ensure Open vSwitch is set up
+      include_tasks: tasks/ensure_openvswitch.yml
       when: bridge_type == 'openvswitch'
 
     - name: Deploy tenks cluster

playbooks/tenks-deploy-teardown/tasks/ensure_openvswitch.yml

@@ -0,0 +1,23 @@
+---
+- name: Install the Delorean dependencies repository
+  become: true
+  get_url:
+    url: "https://trunk.rdoproject.org/centos{{ ansible_facts.distribution_major_version }}-master/delorean-deps.repo"
+    dest: /etc/yum.repos.d/
+  when:
+    - ansible_facts.os_family == "RedHat"
+
+- name: Install Open vSwitch
+  become: true
+  package:
+    name: "{{ openvswitch_package_name }}"
+    state: present
+  register: result
+  until: result is success
+  retries: 3
+
+- name: Start Open vSwitch service
+  become: true
+  service:
+    name: "{{ openvswitch_service_name }}"
+    state: started

playbooks/tenks-deploy-teardown/vars/Debian.yml

@@ -0,0 +1,2 @@
+---
+openvswitch_package_name: openvswitch-switch

playbooks/tenks-deploy-teardown/vars/RedHat.yml

@@ -0,0 +1,2 @@
+---
+openvswitch_package_name: openvswitch

playbooks/tenks-deploy-teardown/vars/common.yml

@@ -13,3 +13,5 @@ config_dir: "{{ ansible_facts.env.HOME ~ '/' ~ 'tenks-config' }}"
 tenks_overrides_path: "{{ config_dir ~ '/' ~ 'tenks-overrides.yml' }}"
 tenks_requirements_overrides_path: "{{ tenks_src_dir }}/requirements-overrides.yml"
 logs_dir: "/tmp/logs"
+
+openvswitch_service_name: "{{ openvswitch_package_name }}"