From edc408c08d7da455fb6b4a36782ae2eeb050044f Mon Sep 17 00:00:00 2001
From: Mauricio Lima <mauriciolimab@gmail.com>
Date: Mon, 23 Jan 2017 11:45:18 -0300
Subject: [PATCH] Optimize reconfiguration for solum

Co-Authored-By: Francisco Edigleison Barbosa <barbosaedigleison@gmail.com>
Co-Authored-By: caoyuan <cao.yuan@99cloud.net>
Change-Id: I2c8003ac7ce42a621f6152d8d6684890d1645f62
Partially-implements: blueprint better-reconfigure
---
 ansible/roles/solum/defaults/main.yml         | 39 +++++++++
 ansible/roles/solum/handlers/main.yml         | 84 +++++++++++++++++++
 .../roles/solum/tasks/bootstrap_service.yml   | 11 ++-
 ansible/roles/solum/tasks/config.yml          | 70 +++++++++++-----
 ansible/roles/solum/tasks/deploy.yml          |  7 +-
 ansible/roles/solum/tasks/pull.yml            | 30 ++-----
 ansible/roles/solum/tasks/reconfigure.yml     | 76 +----------------
 ansible/roles/solum/tasks/start.yml           | 48 -----------
 ansible/roles/solum/tasks/upgrade.yml         |  3 +-
 9 files changed, 188 insertions(+), 180 deletions(-)
 create mode 100644 ansible/roles/solum/handlers/main.yml
 delete mode 100644 ansible/roles/solum/tasks/start.yml

diff --git a/ansible/roles/solum/defaults/main.yml b/ansible/roles/solum/defaults/main.yml
index dd78cdc593..7da368f085 100644
--- a/ansible/roles/solum/defaults/main.yml
+++ b/ansible/roles/solum/defaults/main.yml
@@ -1,6 +1,45 @@
 ---
 project_name: "solum"
 
+solum_services:
+  solum-api:
+    container_name: solum_api
+    group: solum-api
+    enabled: true
+    image: "{{ solum_api_image_full }}"
+    volumes:
+      - "{{ node_config_directory }}/solum-api/:{{ container_config_directory }}/:ro"
+      - "/etc/localtime:/etc/localtime:ro"
+      - "kolla_logs:/var/log/kolla/"
+  solum-worker:
+    container_name: solum_worker
+    group: solum-worker
+    enabled: true
+    image: "{{ solum_worker_image_full }}"
+    volumes:
+      - "{{ node_config_directory }}/solum-worker/:{{ container_config_directory }}/:ro"
+      - "/etc/localtime:/etc/localtime:ro"
+      - "kolla_logs:/var/log/kolla/"
+  solum-deployer:
+    container_name: solum_deployer
+    group: solum-deployer
+    enabled: true
+    image: "{{ solum_deployer_image_full }}"
+    volumes:
+      - "{{ node_config_directory }}/solum-deployer/:{{ container_config_directory }}/:ro"
+      - "/etc/localtime:/etc/localtime:ro"
+      - "kolla_logs:/var/log/kolla/"
+  solum-conductor:
+    container_name: solum_conductor
+    group: solum-conductor
+    enabled: true
+    image: "{{ solum_conductor_image_full }}"
+    volumes:
+      - "{{ node_config_directory }}/solum-conductor/:{{ container_config_directory }}/:ro"
+      - "/etc/localtime:/etc/localtime:ro"
+      - "kolla_logs:/var/log/kolla/"
+
+
 ####################
 # Database
 ####################
diff --git a/ansible/roles/solum/handlers/main.yml b/ansible/roles/solum/handlers/main.yml
new file mode 100644
index 0000000000..d4aa7df321
--- /dev/null
+++ b/ansible/roles/solum/handlers/main.yml
@@ -0,0 +1,84 @@
+---
+- name: Restart solum-api container
+  vars:
+    service_name: "solum-api"
+    service: "{{ solum_services[service_name] }}"
+    config_json: "{{ solum_config_jsons.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    solum_conf: "{{ solum_confs.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    solum_api_container: "{{ check_solum_containers.results|selectattr('item.key', 'equalto', service_name)|first }}"
+  kolla_docker:
+    action: "recreate_or_restart_container"
+    common_options: "{{ docker_common_options }}"
+    name: "{{ service.container_name }}"
+    image: "{{ service.image }}"
+    volumes: "{{ service.volumes }}"
+  when:
+    - action != "config"
+    - inventory_hostname in groups[service.group]
+    - service.enabled | bool
+    - config_json.changed | bool
+      or solum_conf.changed | bool
+      or solum_api_container.changed | bool
+
+- name: Restart solum-worker container
+  vars:
+    service_name: "solum-worker"
+    service: "{{ solum_services[service_name] }}"
+    config_json: "{{ solum_config_jsons.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    solum_conf: "{{ solum_confs.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    solum_worker_container: "{{ check_solum_containers.results|selectattr('item.key', 'equalto', service_name)|first }}"
+  kolla_docker:
+    action: "recreate_or_restart_container"
+    common_options: "{{ docker_common_options }}"
+    name: "{{ service.container_name }}"
+    image: "{{ service.image }}"
+    volumes: "{{ service.volumes }}"
+  when:
+    - action != "config"
+    - inventory_hostname in groups[service.group]
+    - service.enabled | bool
+    - config_json.changed | bool
+      or solum_conf.changed | bool
+      or solum_worker_container.changed | bool
+
+- name: Restart solum-deployer container
+  vars:
+    service_name: "solum-deployer"
+    service: "{{ solum_services[service_name] }}"
+    config_json: "{{ solum_config_jsons.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    solum_conf: "{{ solum_confs.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    solum_deployer_container: "{{ check_solum_containers.results|selectattr('item.key', 'equalto', service_name)|first }}"
+  kolla_docker:
+    action: "recreate_or_restart_container"
+    common_options: "{{ docker_common_options }}"
+    name: "{{ service.container_name }}"
+    image: "{{ service.image }}"
+    volumes: "{{ service.volumes }}"
+  when:
+    - action != "config"
+    - inventory_hostname in groups[service.group]
+    - service.enabled | bool
+    - config_json.changed | bool
+      or solum_conf.changed | bool
+      or solum_deployer_container.changed | bool
+
+- name: Restart solum-conductor container
+  vars:
+    service_name: "solum-conductor"
+    service: "{{ solum_services[service_name] }}"
+    config_json: "{{ solum_config_jsons.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    solum_conf: "{{ solum_confs.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    solum_conductor_container: "{{ check_solum_containers.results|selectattr('item.key', 'equalto', service_name)|first }}"
+  kolla_docker:
+    action: "recreate_or_restart_container"
+    common_options: "{{ docker_common_options }}"
+    name: "{{ service.container_name }}"
+    image: "{{ service.image }}"
+    volumes: "{{ service.volumes }}"
+  when:
+    - action != "config"
+    - inventory_hostname in groups[service.group]
+    - service.enabled | bool
+    - config_json.changed | bool
+      or solum_conf.changed | bool
+      or solum_conductor_container.changed | bool
diff --git a/ansible/roles/solum/tasks/bootstrap_service.yml b/ansible/roles/solum/tasks/bootstrap_service.yml
index 6b797e1372..728fd1fd20 100644
--- a/ansible/roles/solum/tasks/bootstrap_service.yml
+++ b/ansible/roles/solum/tasks/bootstrap_service.yml
@@ -1,5 +1,7 @@
 ---
 - name: Running Solum bootstrap container
+  vars:
+    solum_api: "{{ solum_services['solum-api'] }}"
   kolla_docker:
     action: "start_container"
     common_options: "{{ docker_common_options }}"
@@ -7,14 +9,11 @@
     environment:
       KOLLA_BOOTSTRAP:
       KOLLA_CONFIG_STRATEGY: "{{ config_strategy }}"
-    image: "{{ solum_api_image_full }}"
+    image: "{{ solum_api.image }}"
     labels:
       BOOTSTRAP:
     name: "bootstrap_solum"
     restart_policy: "never"
-    volumes:
-      - "{{ node_config_directory }}/solum-api/:{{ container_config_directory }}/:ro"
-      - "/etc/localtime:/etc/localtime:ro"
-      - "kolla_logs:/var/log/kolla/"
+    volumes: "{{ solum_api.volumes }}"
   run_once: True
-  delegate_to: "{{ groups['solum-api'][0] }}"
+  delegate_to: "{{ groups[solum_api.group][0] }}"
diff --git a/ansible/roles/solum/tasks/config.yml b/ansible/roles/solum/tasks/config.yml
index 8b283398cf..3612fa59bf 100644
--- a/ansible/roles/solum/tasks/config.yml
+++ b/ansible/roles/solum/tasks/config.yml
@@ -1,40 +1,68 @@
 ---
 - name: Ensuring config directories exist
   file:
-    path: "{{ node_config_directory }}/{{ item }}"
+    path: "{{ node_config_directory }}/{{ item.key }}"
     state: "directory"
     recurse: yes
-  with_items:
-    - "solum-api"
-    - "solum-worker"
-    - "solum-deployer"
-    - "solum-conductor"
+  when:
+    - inventory_hostname in groups[item.value.group]
+    - item.value.enabled | bool
+  with_dict: "{{ solum_services }}"
 
 - name: Copying over config.json files for services
   template:
-    src: "{{ item }}.json.j2"
-    dest: "{{ node_config_directory }}/{{ item }}/config.json"
-  with_items:
-    - "solum-api"
-    - "solum-worker"
-    - "solum-deployer"
-    - "solum-conductor"
+    src: "{{ item.key }}.json.j2"
+    dest: "{{ node_config_directory }}/{{ item.key }}/config.json"
+  register: solum_config_jsons
+  when:
+    - inventory_hostname in groups[item.value.group]
+    - item.value.enabled | bool
+  with_dict: "{{ solum_services }}"
+  notify:
+    - Restart solum-api container
+    - Restart solum-conductor container
+    - Restart solum-deployer container
+    - Restart solum-worker container
 
 - name: Copying over solum.conf
   merge_configs:
     vars:
-      service_name: "{{ item }}"
+      service_name: "{{ item.key }}"
     sources:
       - "{{ role_path }}/templates/solum.conf.j2"
       - "{{ node_config_directory }}/config/global.conf"
       - "{{ node_config_directory }}/config/database.conf"
       - "{{ node_config_directory }}/config/messaging.conf"
       - "{{ node_config_directory }}/config/solum.conf"
-      - "{{ node_config_directory }}/config/solum/{{ item }}.conf"
+      - "{{ node_config_directory }}/config/solum/{{ item.key }}.conf"
       - "{{ node_config_directory }}/config/solum/{{ inventory_hostname }}/solum.conf"
-    dest: "{{ node_config_directory }}/{{ item }}/solum.conf"
-  with_items:
-    - "solum-api"
-    - "solum-worker"
-    - "solum-deployer"
-    - "solum-conductor"
+    dest: "{{ node_config_directory }}/{{ item.key }}/solum.conf"
+  register: solum_confs
+  when:
+    - inventory_hostname in groups[item.value.group]
+    - item.value.enabled | bool
+  with_dict: "{{ solum_services }}"
+  notify:
+    - Restart solum-api container
+    - Restart solum-conductor container
+    - Restart solum-deployer container
+    - Restart solum-worker container
+
+- name: Check solum containers
+  kolla_docker:
+    action: "compare_container"
+    common_options: "{{ docker_common_options }}"
+    name: "{{ item.value.container_name }}"
+    image: "{{ item.value.image }}"
+    volumes: "{{ item.value.volumes }}"
+  register: check_solum_containers
+  when:
+    - action != "config"
+    - inventory_hostname in groups[item.value.group]
+    - item.value.enabled | bool
+  with_dict: "{{ solum_services }}"
+  notify:
+    - Restart solum-api container
+    - Restart solum-conductor container
+    - Restart solum-deployer container
+    - Restart solum-worker container
diff --git a/ansible/roles/solum/tasks/deploy.yml b/ansible/roles/solum/tasks/deploy.yml
index c619ea5f49..4048651988 100644
--- a/ansible/roles/solum/tasks/deploy.yml
+++ b/ansible/roles/solum/tasks/deploy.yml
@@ -11,8 +11,5 @@
 - include: bootstrap.yml
   when: inventory_hostname in groups['solum-api']
 
-- include: start.yml
-  when: inventory_hostname in groups['solum-api'] or
-        inventory_hostname in groups['solum-deploy'] or
-        inventory_hostname in groups['solum-worker'] or
-        inventory_hostname in groups['solum-conductor']
+- name: Flush handlers
+  meta: flush_handlers
diff --git a/ansible/roles/solum/tasks/pull.yml b/ansible/roles/solum/tasks/pull.yml
index 2d500ce5dc..e396831b9f 100644
--- a/ansible/roles/solum/tasks/pull.yml
+++ b/ansible/roles/solum/tasks/pull.yml
@@ -1,28 +1,10 @@
 ---
-- name: Pulling solum-api image
+- name: Pulling solum images
   kolla_docker:
     action: "pull_image"
     common_options: "{{ docker_common_options }}"
-    image: "{{ solum_api_image_full }}"
-  when: inventory_hostname in groups['solum-api']
-
-- name: Pulling solum-worker image
-  kolla_docker:
-    action: "pull_image"
-    common_options: "{{ docker_common_options }}"
-    image: "{{ solum_worker_image_full }}"
-  when: inventory_hostname in groups['solum-worker']
-
-- name: Pulling solum-deployer image
-  kolla_docker:
-    action: "pull_image"
-    common_options: "{{ docker_common_options }}"
-    image: "{{ solum_deployer_image_full }}"
-  when: inventory_hostname in groups['solum-deployer']
-
-- name: Pulling solum-conductor image
-  kolla_docker:
-    action: "pull_image"
-    common_options: "{{ docker_common_options }}"
-    image: "{{ solum_conductor_image_full }}"
-  when: inventory_hostname in groups['solum-conductor']
+    image: "{{ item.value.image }}"
+  when:
+    - inventory_hostname in groups[item.value.group]
+    - item.value.enabled | bool
+  with_dict: "{{ solum_services }}"
diff --git a/ansible/roles/solum/tasks/reconfigure.yml b/ansible/roles/solum/tasks/reconfigure.yml
index 2a4e40f4c7..e078ef1318 100644
--- a/ansible/roles/solum/tasks/reconfigure.yml
+++ b/ansible/roles/solum/tasks/reconfigure.yml
@@ -1,76 +1,2 @@
 ---
-- name: Ensuring the containers up
-  kolla_docker:
-    name: "{{ item.name }}"
-    action: "get_container_state"
-  register: container_state
-  failed_when: container_state.Running == false
-  when: inventory_hostname in groups[item.group]
-  with_items:
-    - { name: solum_api, group: solum-api }
-    - { name: solum_worker, group: solum-worker }
-    - { name: solum_deployer, group: solum-deployer }
-    - { name: solum_conductor, group: solum-conductor }
-
-- include: config.yml
-
-- name: Check the configs
-  command: docker exec {{ item.name }} /usr/local/bin/kolla_set_configs --check
-  changed_when: false
-  failed_when: false
-  register: check_results
-  when: inventory_hostname in groups[item.group]
-  with_items:
-    - { name: solum_api, group: solum-api }
-    - { name: solum_worker, group: solum-worker }
-    - { name: solum_deployer, group: solum-deployer }
-    - { name: solum_conductor, group: solum-conductor }
-
-- name: Containers config strategy
-  kolla_docker:
-    name: "{{ item.name }}"
-    action: "get_container_env"
-  register: container_envs
-  when: inventory_hostname in groups[item.group]
-  with_items:
-    - { name: solum_api, group: solum-api }
-    - { name: solum_worker, group: solum-worker }
-    - { name: solum_deployer, group: solum-deployer }
-    - { name: solum_conductor, group: solum-conductor }
-
-- name: Remove the containers
-  kolla_docker:
-    name: "{{ item[0]['name'] }}"
-    action: "remove_container"
-  register: remove_containers
-  when:
-    - inventory_hostname in groups[item[0]['group']]
-    - config_strategy == "COPY_ONCE" or item[1]['KOLLA_CONFIG_STRATEGY'] == 'COPY_ONCE'
-    - item[2]['rc'] == 1
-  with_together:
-    - [{ name: solum_api, group: solum-api },
-       { name: solum_worker, group: solum-worker },
-       { name: solum_deployer, group: solum-deployer },
-       { name: solum_conductor, group: solum-conductor }]
-    - "{{ container_envs.results }}"
-    - "{{ check_results.results }}"
-
-- include: start.yml
-  when: remove_containers.changed
-
-- name: Restart containers
-  kolla_docker:
-    name: "{{ item[0]['name'] }}"
-    action: "restart_container"
-  when:
-    - inventory_hostname in groups[item[0]['group']]
-    - config_strategy == 'COPY_ALWAYS'
-    - item[1]['KOLLA_CONFIG_STRATEGY'] != 'COPY_ONCE'
-    - item[2]['rc'] == 1
-  with_together:
-    - [{ name: solum_api, group: solum-api },
-       { name: solum_worker, group: solum-worker },
-       { name: solum_deployer, group: solum-deployer },
-       { name: solum_conductor, group: solum-conductor }]
-    - "{{ container_envs.results }}"
-    - "{{ check_results.results }}"
+- include: deploy.yml
diff --git a/ansible/roles/solum/tasks/start.yml b/ansible/roles/solum/tasks/start.yml
deleted file mode 100644
index 06f6303d93..0000000000
--- a/ansible/roles/solum/tasks/start.yml
+++ /dev/null
@@ -1,48 +0,0 @@
----
-- name: Starting solum-worker container
-  kolla_docker:
-    action: "start_container"
-    common_options: "{{ docker_common_options }}"
-    image: "{{ solum_worker_image_full }}"
-    name: "solum_worker"
-    volumes:
-      - "{{ node_config_directory }}/solum-worker/:{{ container_config_directory }}/:ro"
-      - "/etc/localtime:/etc/localtime:ro"
-      - "kolla_logs:/var/log/kolla/"
-  when: inventory_hostname in groups['solum-worker']
-
-- name: Starting solum-api container
-  kolla_docker:
-    action: "start_container"
-    common_options: "{{ docker_common_options }}"
-    image: "{{ solum_api_image_full }}"
-    name: "solum_api"
-    volumes:
-      - "{{ node_config_directory }}/solum-api/:{{ container_config_directory }}/:ro"
-      - "/etc/localtime:/etc/localtime:ro"
-      - "kolla_logs:/var/log/kolla/"
-  when: inventory_hostname in groups['solum-api']
-
-- name: Starting solum-deployer container
-  kolla_docker:
-    action: "start_container"
-    common_options: "{{ docker_common_options }}"
-    image: "{{ solum_deployer_image_full }}"
-    name: "solum_deployer"
-    volumes:
-      - "{{ node_config_directory }}/solum-deployer/:{{ container_config_directory }}/:ro"
-      - "/etc/localtime:/etc/localtime:ro"
-      - "kolla_logs:/var/log/kolla/"
-  when: inventory_hostname in groups['solum-deployer']
-
-- name: Starting solum-conductor container
-  kolla_docker:
-    action: "start_container"
-    common_options: "{{ docker_common_options }}"
-    image: "{{ solum_conductor_image_full }}"
-    name: "solum_conductor"
-    volumes:
-      - "{{ node_config_directory }}/solum-conductor/:{{ container_config_directory }}/:ro"
-      - "/etc/localtime:/etc/localtime:ro"
-      - "kolla_logs:/var/log/kolla/"
-  when: inventory_hostname in groups['solum-conductor']
diff --git a/ansible/roles/solum/tasks/upgrade.yml b/ansible/roles/solum/tasks/upgrade.yml
index 308053080c..c38db1adf4 100644
--- a/ansible/roles/solum/tasks/upgrade.yml
+++ b/ansible/roles/solum/tasks/upgrade.yml
@@ -3,4 +3,5 @@
 
 - include: bootstrap_service.yml
 
-- include: start.yml
+- name: Flush handlers
+  meta: flush_handlers
-- 
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