Provide support for freezer dev mode in kolla

Add a possibility to mount sources as volumes to containers,
in "more than documentation" way. That will let us to use kolla
as a replacement for devstack.

Partially implements: blueprint mount-sources
Co-Authored-By: wu.chunyang <wu.chunyang@99cloud.net>

Change-Id: Ia3112a0d297ac777e1f25d3ddecced7746ca6418

ansible/roles/freezer/defaults/main.yml

@@ -12,6 +12,7 @@ freezer_services:
       - "/etc/localtime:/etc/localtime:ro"
       - "freezer:/var/lib/freezer/"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/freezer-api/freezer_api:/var/lib/kolla/venv/lib/python2.7/site-packages/freezer_api' if freezer_dev_mode | bool else '' }}"
     dimensions: "{{ freezer_api_dimensions }}"
   freezer-scheduler:
     container_name: freezer_scheduler
@@ -23,6 +24,7 @@ freezer_services:
       - "/etc/localtime:/etc/localtime:ro"
       - "freezer:/var/lib/freezer/"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/freezer/freezer:/var/lib/kolla/venv/lib/python2.7/site-packages/freezer' if freezer_dev_mode | bool else '' }}"
     dimensions: "{{ freezer_scheduler_dimensions }}"
 
 
@@ -55,3 +57,12 @@ freezer_logging_debug: "{{ openstack_logging_debug }}"
 freezer_keystone_user: "freezer"
 
 openstack_freezer_auth: "{{ openstack_auth }}"
+
+
+####################
+# Kolla
+####################
+freezer_git_repository: "{{ kolla_dev_repos_git }}/{{ project_name }}"
+freezer_api_git_repository: "{{ kolla_dev_repos_git }}/freezer-api"
+freezer_dev_repos_pull: "{{ kolla_dev_repos_pull }}"
+freezer_dev_mode: "{{ kolla_dev_mode }}"

ansible/roles/freezer/handlers/main.yml

@@ -39,7 +39,7 @@
     common_options: "{{ docker_common_options }}"
     name: "{{ service.container_name }}"
     image: "{{ service.image }}"
-    volumes: "{{ service.volumes }}"
+    volumes: "{{ service.volumes | reject('equalto', '')|list }}"
     dimensions: "{{ service.dimensions }}"
   when:
     - kolla_action != "config"

ansible/roles/freezer/tasks/bootstrap_service.yml

@@ -15,6 +15,6 @@
       BOOTSTRAP:
     name: "bootstrap_freezer"
     restart_policy: "never"
-    volumes: "{{ freezer_api.volumes }}"
+    volumes: "{{ freezer_api.volumes | reject('equalto', '') | list }}"
   run_once: True
   delegate_to: "{{ groups[freezer_api.group][0] }}"

ansible/roles/freezer/tasks/clone.yml

@@ -0,0 +1,12 @@
+---
+- name: Cloning freezer source repository for development
+  git:
+    repo: "{{ freezer_git_repository }}"
+    dest: "{{ kolla_dev_repos_directory }}/{{ project_name }}"
+    update: "{{ freezer_dev_repos_pull }}"
+
+- name: Cloning freezer-api source repository for development
+  git:
+    repo: "{{ freezer_api_git_repository }}"
+    dest: "{{ kolla_dev_repos_directory }}/freezer-api"
+    update: "{{ freezer_dev_repos_pull }}"

ansible/roles/freezer/tasks/config.yml

@@ -101,7 +101,7 @@
     common_options: "{{ docker_common_options }}"
     name: "{{ item.value.container_name }}"
     image: "{{ item.value.image }}"
-    volumes: "{{ item.value.volumes }}"
+    volumes: "{{ item.value.volumes | reject('equalto', '') | list }}"
     dimensions: "{{ item.value.dimensions }}"
   register: check_freezer_containers
   when:

ansible/roles/freezer/tasks/deploy.yml

@@ -9,5 +9,8 @@
 - include_tasks: bootstrap_service.yml
   when: inventory_hostname in groups['freezer-api']
 
+- include_tasks: clone.yml
+  when: freezer_dev_mode | bool
+
 - name: Flush handlers
   meta: flush_handlers