Provide support for cloudkitty 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: ZhijunWei <wzj334965317@outlook.com>

Change-Id: I8ccfb3c96e642d4b121809236aab0180ac49e3cc

ansible/roles/cloudkitty/defaults/main.yml

@@ -11,6 +11,7 @@ cloudkitty_services:
       - "{{ node_config_directory }}/cloudkitty-api/:{{ container_config_directory }}/:ro"
       - "/etc/localtime:/etc/localtime:ro"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/cloudkitty/cloudkitty:/var/lib/kolla/venv/lib/python2.7/site-packages/cloudkitty' if cloudkitty_dev_mode | bool else '' }}"
   cloudkitty-processor:
     container_name: "cloudkitty_processor"
     group: "cloudkitty-processor"
@@ -20,6 +21,7 @@ cloudkitty_services:
       - "{{ node_config_directory }}/cloudkitty-processor/:{{ container_config_directory }}/:ro"
       - "/etc/localtime:/etc/localtime:ro"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/cloudkitty/cloudkitty:/var/lib/kolla/venv/lib/python2.7/site-packages/cloudkitty' if cloudkitty_dev_mode | bool else '' }}"
 
 
 ####################
@@ -62,3 +64,11 @@ openstack_cloudkitty_auth: "{{ openstack_auth }}"
 # Cloudkitty
 ####################
 cloudkitty_openstack_keystone_default_role: "rating"
+
+
+####################
+# Kolla
+####################
+cloudkitty_git_repository: "{{ kolla_dev_repos_git }}/{{ project_name }}"
+cloudkitty_dev_repos_pull: "{{ kolla_dev_repos_pull }}"
+cloudkitty_dev_mode: "{{ kolla_dev_mode }}"

ansible/roles/cloudkitty/handlers/main.yml

@@ -13,7 +13,7 @@
     common_options: "{{ docker_common_options }}"
     name: "{{ service.container_name }}"
     image: "{{ service.image }}"
-    volumes: "{{ service.volumes }}"
+    volumes: "{{ service.volumes|reject('equalto', '')|list }}"
   when:
     - kolla_action != "config"
     - inventory_hostname in groups[service.group]
@@ -38,7 +38,7 @@
     common_options: "{{ docker_common_options }}"
     name: "{{ service.container_name }}"
     image: "{{ service.image }}"
-    volumes: "{{ service.volumes }}"
+    volumes: "{{ service.volumes|reject('equalto', '')|list }}"
   when:
     - kolla_action != "config"
     - inventory_hostname in groups[service.group]

ansible/roles/cloudkitty/tasks/bootstrap_service.yml

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

ansible/roles/cloudkitty/tasks/clone.yml

@@ -0,0 +1,6 @@
+---
+- name: Cloning cloudkitty source repository for development
+  git:
+    repo: "{{ cloudkitty_git_repository }}"
+    dest: "{{ kolla_dev_repos_directory }}/{{ project_name }}"
+    update: "{{ cloudkitty_dev_repos_pull }}"

ansible/roles/cloudkitty/tasks/config.yml

@@ -104,7 +104,7 @@
     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 }}"
   register: check_cloudkitty_containers
   when:
     - kolla_action != "config"

ansible/roles/cloudkitty/tasks/deploy.yml

@@ -6,6 +6,9 @@
   when: inventory_hostname in groups['cloudkitty-api'] or
         inventory_hostname in groups['cloudkitty-processor']
 
+- include: clone.yml
+  when: cloudkitty_dev_mode | bool
+
 - include: bootstrap.yml
   when: inventory_hostname in groups['cloudkitty-api']