Provide support for neutron 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: I4868ed6829bd037e1012d1f40c4a1d1b9995bf95

ansible/roles/neutron/defaults/main.yml

@@ -12,6 +12,7 @@ neutron_services:
       - "{{ node_config_directory }}/neutron-server/:{{ container_config_directory }}/:ro"
       - "/etc/localtime:/etc/localtime:ro"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/neutron/neutron:/var/lib/kolla/venv/lib/python2.7/site-packages/neutron' if neutron_dev_mode | bool else '' }}"
     dimensions: "{{ neutron_server_dimensions }}"
     haproxy:
       neutron_server:
@@ -54,6 +55,7 @@ neutron_services:
       - "/lib/modules:/lib/modules:ro"
       - "/run:/run:shared"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/neutron/neutron:/var/lib/kolla/venv/lib/python2.7/site-packages/neutron' if neutron_dev_mode | bool else '' }}"
     dimensions: "{{ neutron_openvswitch_agent_dimensions }}"
   neutron-openvswitch-agent-xenapi:
     container_name: "neutron_openvswitch_agent_xenapi"
@@ -70,6 +72,7 @@ neutron_services:
       - "/lib/modules:/lib/modules:ro"
       - "/run:/run:shared"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/neutron/neutron:/var/lib/kolla/venv/lib/python2.7/site-packages/neutron' if neutron_dev_mode | bool else '' }}"
     dimensions: "{{ neutron_openvswitch_agent_xenapi_dimensions }}"
   neutron-linuxbridge-agent:
     container_name: "neutron_linuxbridge_agent"
@@ -94,6 +97,7 @@ neutron_services:
       - "/lib/modules:/lib/modules:ro"
       - "/run:/run:shared"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/neutron/neutron:/var/lib/kolla/venv/lib/python2.7/site-packages/neutron' if neutron_dev_mode | bool else '' }}"
     dimensions: "{{ neutron_linuxbridge_agent_dimensions }}"
   neutron-dhcp-agent:
     container_name: "neutron_dhcp_agent"
@@ -108,6 +112,7 @@ neutron_services:
       - "/run/:/run/:shared"
       - "neutron_metadata_socket:/var/lib/neutron/kolla/"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/neutron/neutron:/var/lib/kolla/venv/lib/python2.7/site-packages/neutron' if neutron_dev_mode | bool else '' }}"
     dimensions: "{{ neutron_dhcp_agent_dimensions }}"
   neutron-l3-agent:
     container_name: "neutron_l3_agent"
@@ -126,6 +131,7 @@ neutron_services:
       - "/run:/run:shared"
       - "neutron_metadata_socket:/var/lib/neutron/kolla/"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/neutron/neutron:/var/lib/kolla/venv/lib/python2.7/site-packages/neutron' if neutron_dev_mode | bool else '' }}"
     dimensions: "{{ neutron_l3_agent_dimensions }}"
   neutron-lbaas-agent:
     container_name: "neutron_lbaas_agent"
@@ -151,6 +157,7 @@ neutron_services:
       - "/etc/localtime:/etc/localtime:ro"
       - "/run:/run:shared"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/neutron/neutron:/var/lib/kolla/venv/lib/python2.7/site-packages/neutron' if neutron_dev_mode | bool else '' }}"
     dimensions: "{{ neutron_sriov_agent_dimensions }}"
   neutron-metadata-agent:
     container_name: "neutron_metadata_agent"
@@ -168,6 +175,7 @@ neutron_services:
       - "/run/:/run/:shared"
       - "neutron_metadata_socket:/var/lib/neutron/kolla/"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/neutron/neutron:/var/lib/kolla/venv/lib/python2.7/site-packages/neutron' if neutron_dev_mode | bool else '' }}"
     dimensions: "{{ neutron_metadata_agent_dimensions }}"
   neutron-bgp-dragent:
     container_name: "neutron_bgp_dragent"
@@ -207,6 +215,7 @@ neutron_services:
       - "/etc/localtime:/etc/localtime:ro"
       - "/run:/run:shared"
       - "kolla_logs:/var/log/kolla/"
+      - "{{ kolla_dev_repos_directory ~ '/neutron/neutron:/var/lib/kolla/venv/lib/python2.7/site-packages/neutron' if neutron_dev_mode | bool else '' }}"
     dimensions: "{{ neutron_metering_agent_dimensions }}"
   ironic-neutron-agent:
     container_name: "ironic_neutron_agent"
@@ -469,3 +478,11 @@ neutron_notification_drivers: "{{ notification_drivers|selectattr('enabled', 'eq
 ############
 onos_url: "127.0.0.1"
 onos_username: "username"
+
+####################
+# Kolla
+####################
+neutron_git_repository: "{{ kolla_dev_repos_git }}/{{ project_name }}"
+neutron_dev_repos_pull: "{{ kolla_dev_repos_pull }}"
+neutron_dev_mode: "{{ kolla_dev_mode }}"
+neutron_source_version: "{{ kolla_source_version }}"

ansible/roles/neutron/handlers/main.yml

@@ -16,7 +16,7 @@
     common_options: "{{ docker_common_options }}"
     name: "{{ service.container_name }}"
     image: "{{ service.image }}"
-    volumes: "{{ service.volumes }}"
+    volumes: "{{ service.volumes|reject('equalto', '')|list }}"
     dimensions: "{{ service.dimensions }}"
     privileged: "{{ service.privileged | default(False) }}"
   when:
@@ -47,7 +47,7 @@
     common_options: "{{ docker_common_options }}"
     name: "{{ service.container_name }}"
     image: "{{ service.image }}"
-    volumes: "{{ service.volumes }}"
+    volumes: "{{ service.volumes|reject('equalto', '')|list }}"
     dimensions: "{{ service.dimensions }}"
     privileged: "{{ service.privileged | default(False) }}"
   when:
@@ -75,7 +75,7 @@
     common_options: "{{ docker_common_options }}"
     name: "{{ service.container_name }}"
     image: "{{ service.image }}"
-    volumes: "{{ service.volumes }}"
+    volumes: "{{ service.volumes|reject('equalto', '')|list }}"
     dimensions: "{{ service.dimensions }}"
     privileged: "{{ service.privileged | default(False) }}"
   when:
@@ -103,7 +103,7 @@
     common_options: "{{ docker_common_options }}"
     name: "{{ service.container_name }}"
     image: "{{ service.image }}"
-    volumes: "{{ service.volumes }}"
+    volumes: "{{ service.volumes|reject('equalto', '')|list }}"
     dimensions: "{{ service.dimensions }}"
     privileged: "{{ service.privileged | default(False) }}"
   with_sequence: "start=1 end={{ num_nova_fake_per_node }}"
@@ -133,7 +133,7 @@
     name: "{{ service.container_name }}"
     image: "{{ service.image }}"
     environment: "{{ service.environment }}"
-    volumes: "{{ service.volumes }}"
+    volumes: "{{ service.volumes|reject('equalto', '')|list }}"
     dimensions: "{{ service.dimensions }}"
     privileged: "{{ service.privileged | default(False) }}"
   when:
@@ -160,7 +160,7 @@
     common_options: "{{ docker_common_options }}"
     name: "{{ service.container_name }}"
     image: "{{ service.image }}"
-    volumes: "{{ service.volumes }}"
+    volumes: "{{ service.volumes|reject('equalto', '')|list }}"
     dimensions: "{{ service.dimensions }}"
     privileged: "{{ service.privileged | default(False) }}"
   when:
@@ -192,7 +192,7 @@
     common_options: "{{ docker_common_options }}"
     name: "{{ service.container_name }}"
     image: "{{ service.image }}"
-    volumes: "{{ service.volumes }}"
+    volumes: "{{ service.volumes|reject('equalto', '')|list }}"
     dimensions: "{{ service.dimensions }}"
     privileged: "{{ service.privileged | default(False) }}"
   when:
@@ -251,7 +251,7 @@
     common_options: "{{ docker_common_options }}"
     name: "{{ service.container_name }}"
     image: "{{ service.image }}"
-    volumes: "{{ service.volumes }}"
+    volumes: "{{ service.volumes|reject('equalto', '')|list }}"
     dimensions: "{{ service.dimensions }}"
     privileged: "{{ service.privileged | default(False) }}"
   when:
@@ -278,7 +278,7 @@
     common_options: "{{ docker_common_options }}"
     name: "{{ service.container_name }}"
     image: "{{ service.image }}"
-    volumes: "{{ service.volumes }}"
+    volumes: "{{ service.volumes|reject('equalto', '')|list }}"
     dimensions: "{{ service.dimensions }}"
     privileged: "{{ service.privileged | default(False) }}"
   when:
@@ -357,7 +357,7 @@
     common_options: "{{ docker_common_options }}"
     name: "{{ service.container_name }}"
     image: "{{ service.image }}"
-    volumes: "{{ service.volumes }}"
+    volumes: "{{ service.volumes|reject('equalto', '')|list }}"
     dimensions: "{{ service.dimensions }}"
     privileged: "{{ service.privileged | default(False) }}"
   when:

ansible/roles/neutron/tasks/clone.yml

+---
+- name: Cloning neutron source repository for development
+  git:
+    repo: "{{ neutron_git_repository }}"
+    dest: "{{ kolla_dev_repos_directory }}/{{ project_name }}"
+    update: "{{ neutron_dev_repos_pull }}"
+    version: "{{ neutron_source_version }}"

ansible/roles/neutron/tasks/deploy.yml

@@ -2,6 +2,9 @@
 - include_tasks: register.yml
   when: inventory_hostname in groups['neutron-server']
 
+- include_tasks: clone.yml
+  when: neutron_dev_mode | bool
+
 - include_tasks: config.yml
 
 - include_tasks: config-neutron-fake.yml