dev mode: Add support for Zun

Allows users to develop on Zun using Kolla.

Partially implements: blueprint mount-sources

Change-Id: I2724aecad95f5165c1cfacd2fae80cdad22f98b4

ansible/roles/zun/defaults/main.yml

@@ -10,6 +10,7 @@ zun_services:
     volumes:
       - "{{ node_config_directory }}/zun-api/:{{ container_config_directory }}/:ro"
       - "/etc/localtime:/etc/localtime:ro"
+      - "{{ kolla_dev_repos_directory ~ '/zun/zun:/var/lib/kolla/venv/lib/python2.7/site-packages/zun' if zun_dev_mode | bool else '' }}"
       - "kolla_logs:/var/log/kolla/"
   zun-compute:
     container_name: zun_compute
@@ -21,6 +22,7 @@ zun_services:
       - "{{ node_config_directory }}/zun-compute/:{{ container_config_directory }}/:ro"
       - "/etc/localtime:/etc/localtime:ro"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/zun/zun:/var/lib/kolla/venv/lib/python2.7/site-packages/zun' if zun_dev_mode | bool else '' }}"
       - "/run:/run:shared"
       - "/usr/lib/docker:/usr/lib/docker"
 
@@ -59,3 +61,11 @@ zun_logging_debug: "{{ openstack_logging_debug }}"
 zun_keystone_user: "zun"
 
 openstack_zun_auth: "{{ openstack_auth }}"
+
+
+####################
+# Kolla
+####################
+zun_git_repository: "{{ kolla_dev_repos_git }}/{{ project_name }}"
+zun_dev_repos_pull: "{{ kolla_dev_repos_pull }}"
+zun_dev_mode: "{{ kolla_dev_mode }}"

ansible/roles/zun/handlers/main.yml

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

ansible/roles/zun/tasks/bootstrap_service.yml

@@ -14,6 +14,6 @@
       BOOTSTRAP:
     name: "bootstrap_zun"
     restart_policy: "never"
-    volumes: "{{ zun_api.volumes }}"
+    volumes: "{{ zun_api.volumes|reject('equalto', '')|list }}"
   run_once: True
   delegate_to: "{{ groups[zun_api.group][0] }}"

ansible/roles/zun/tasks/clone.yml

+---
+- name: Cloning zun source repository for development
+  git:
+    repo: "{{ zun_git_repository }}"
+    dest: "{{ kolla_dev_repos_directory }}/{{ project_name }}"
+    update: "{{ zun_dev_repos_pull }}"

ansible/roles/zun/tasks/config.yml

@@ -78,7 +78,7 @@
     name: "{{ item.value.container_name }}"
     image: "{{ item.value.image }}"
     privileged: "{{ item.value.privileged | default(False) }}"
-    volumes: "{{ item.value.volumes }}"
+    volumes: "{{ item.value.volumes|reject('equalto', '')|list }}"
   register: check_zun_containers
   when:
     - action != "config"

ansible/roles/zun/tasks/deploy.yml

@@ -6,6 +6,9 @@
   when: inventory_hostname in groups['zun-api'] or
         inventory_hostname in groups['zun-compute']
 
+- include: clone.yml
+  when: zun_dev_mode | bool
+
 - include: bootstrap.yml
   when: inventory_hostname in groups['zun-api']