dev mode: Add support for cinder

Provide support for kolla dev mode in cinder. When
'kolla_dev_mode' or 'cinder_dev_mode' variables are
enabled, source code of cinder project is cloned
and bind mounted.

Partially implements: blueprint mount-sources

Change-Id: I9ccd395d076f9cc1ad4b51af9d22ba8b17fac1bc

ansible/roles/cinder/defaults/main.yml

@@ -11,6 +11,7 @@ cinder_services:
       - "{{ node_config_directory }}/cinder-api/:{{ container_config_directory }}/:ro"
       - "/etc/localtime:/etc/localtime:ro"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/cinder/cinder:/var/lib/kolla/venv/lib/python2.7/site-packages/cinder' if cinder_dev_mode | bool else '' }}"
   cinder-scheduler:
     container_name: cinder_scheduler
     group: cinder-scheduler
@@ -20,6 +21,7 @@ cinder_services:
       - "{{ node_config_directory }}/cinder-scheduler/:{{ container_config_directory }}/:ro"
       - "/etc/localtime:/etc/localtime:ro"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/cinder/cinder:/var/lib/kolla/venv/lib/python2.7/site-packages/cinder' if cinder_dev_mode | bool else '' }}"
   cinder-volume:
     container_name: cinder_volume
     group: cinder-volume
@@ -36,6 +38,7 @@ cinder_services:
       - "cinder:/var/lib/cinder"
       - "{% if enable_iscsid | bool %}iscsi_info:/etc/iscsi{% endif %}"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/cinder/cinder:/var/lib/kolla/venv/lib/python2.7/site-packages/cinder' if cinder_dev_mode | bool else '' }}"
   cinder-backup:
     container_name: cinder_backup
     group: cinder-backup
@@ -50,6 +53,7 @@ cinder_services:
       - "cinder:/var/lib/cinder"
       - "{% if enable_iscsid | bool %}iscsi_info:/etc/iscsi{% endif %}"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/cinder/cinder:/var/lib/kolla/venv/lib/python2.7/site-packages/cinder' if cinder_dev_mode | bool else '' }}"
 
 ####################
 # Ceph
@@ -179,3 +183,11 @@ zfssa_iscsi_project:
 zfssa_iscsi_initiator_group:
 zfssa_iscsi_target_portal:
 zfssa_iscsi_target_interfaces:
+
+
+####################
+# Kolla
+####################
+cinder_git_repository: "{{ kolla_dev_repos_git }}/{{ project_name }}"
+cinder_dev_repos_pull: "{{ kolla_dev_repos_pull }}"
+cinder_dev_mode: "{{ kolla_dev_mode }}"

ansible/roles/cinder/tasks/bootstrap_service.yml

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

ansible/roles/cinder/tasks/clone.yml

+---
+- name: Cloning cinder source repository for development
+  git:
+    repo: "{{ cinder_git_repository }}"
+    dest: "{{ kolla_dev_repos_directory }}/{{ project_name }}"
+    update: "{{ cinder_dev_repos_pull }}"

ansible/roles/cinder/tasks/deploy.yml

@@ -23,6 +23,9 @@
         inventory_hostname in groups['cinder-scheduler'] or
         inventory_hostname in groups['cinder-backup']
 
+- include: clone.yml
+  when: cinder_dev_mode | bool
+
 - include: bootstrap.yml
   when: inventory_hostname in groups['cinder-api']