Provide support for solum 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

Change-Id: If241033d8c94c13f980fc3cc322f198187d64a21

ansible/roles/solum/defaults/main.yml

@@ -11,6 +11,7 @@ solum_services:
       - "{{ node_config_directory }}/solum-api/:{{ container_config_directory }}/:ro"
       - "/etc/localtime:/etc/localtime:ro"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/solum/solum:/var/lib/kolla/venv/lib/python2.7/site-packages/solum' if solum_dev_mode | bool else '' }}"
   solum-worker:
     container_name: solum_worker
     group: solum-worker
@@ -20,6 +21,7 @@ solum_services:
       - "{{ node_config_directory }}/solum-worker/:{{ container_config_directory }}/:ro"
       - "/etc/localtime:/etc/localtime:ro"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/solum/solum:/var/lib/kolla/venv/lib/python2.7/site-packages/solum' if solum_dev_mode | bool else '' }}"
   solum-deployer:
     container_name: solum_deployer
     group: solum-deployer
@@ -29,6 +31,7 @@ solum_services:
       - "{{ node_config_directory }}/solum-deployer/:{{ container_config_directory }}/:ro"
       - "/etc/localtime:/etc/localtime:ro"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/solum/solum:/var/lib/kolla/venv/lib/python2.7/site-packages/solum' if solum_dev_mode | bool else '' }}"
   solum-conductor:
     container_name: solum_conductor
     group: solum-conductor
@@ -38,6 +41,7 @@ solum_services:
       - "{{ node_config_directory }}/solum-conductor/:{{ container_config_directory }}/:ro"
       - "/etc/localtime:/etc/localtime:ro"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/solum/solum:/var/lib/kolla/venv/lib/python2.7/site-packages/solum' if solum_dev_mode | bool else '' }}"
 
 
 ####################
@@ -87,3 +91,11 @@ solum_logging_debug: "{{ openstack_logging_debug }}"
 solum_keystone_user: "solum"
 
 openstack_solum_auth: "{{ openstack_auth }}"
+
+
+####################
+# Kolla
+####################
+solum_git_repository: "{{ kolla_dev_repos_git }}/{{ project_name }}"
+solum_dev_repos_pull: "{{ kolla_dev_repos_pull }}"
+solum_dev_mode: "{{ kolla_dev_mode }}"

ansible/roles/solum/handlers/main.yml

@@ -12,7 +12,7 @@
     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]
@@ -34,7 +34,7 @@
     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]
@@ -56,7 +56,7 @@
     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]
@@ -78,7 +78,7 @@
     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/solum/tasks/bootstrap_service.yml

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

ansible/roles/solum/tasks/clone.yml

+---
+- name: Cloning solum source repository for development
+  git:
+    repo: "{{ solum_git_repository }}"
+    dest: "{{ kolla_dev_repos_directory }}/{{ project_name }}"
+    update: "{{ solum_dev_repos_pull }}"

ansible/roles/solum/tasks/config.yml

@@ -60,7 +60,7 @@
     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_solum_containers
   when:
     - kolla_action != "config"

ansible/roles/solum/tasks/deploy.yml

@@ -8,6 +8,9 @@
         inventory_hostname in groups['solum-worker'] or
         inventory_hostname in groups['solum-conductor']
 
+- include: clone.yml
+  when: solum_dev_mode | bool
+
 - include: bootstrap.yml
   when: inventory_hostname in groups['solum-api']