Use Docker healthchecks for aodh services

This change enables the use of Docker healthchecks for aodh services.
Implements: blueprint container-health-check

Change-Id: Ic477ac77f7ea5c50de473382fb1ec63d78043267

ansible/roles/aodh/defaults/main.yml

@@ -9,6 +9,7 @@ aodh_services:
     image: "{{ aodh_api_image_full }}"
     volumes: "{{ aodh_api_default_volumes + aodh_api_extra_volumes }}"
     dimensions: "{{ aodh_api_dimensions }}"
+    healthcheck: "{{ aodh_api_healthcheck }}"
     haproxy:
       aodh_api:
         enabled: "{{ enable_aodh }}"
@@ -29,6 +30,7 @@ aodh_services:
     image: "{{ aodh_evaluator_image_full }}"
     volumes: "{{ aodh_evaluator_default_volumes + aodh_evaluator_extra_volumes }}"
     dimensions: "{{ aodh_evaluator_dimensions }}"
+    healthcheck: "{{ aodh_evaluator_healthcheck }}"
   aodh-listener:
     container_name: aodh_listener
     group: aodh-listener
@@ -36,6 +38,7 @@ aodh_services:
     image: "{{ aodh_listener_image_full }}"
     volumes: "{{ aodh_listener_default_volumes + aodh_listener_extra_volumes }}"
     dimensions: "{{ aodh_listener_dimensions }}"
+    healthcheck: "{{ aodh_listener_healthcheck }}"
   aodh-notifier:
     container_name: aodh_notifier
     group: aodh-notifier
@@ -43,6 +46,8 @@ aodh_services:
     image: "{{ aodh_notifier_image_full }}"
     volumes: "{{ aodh_notifier_default_volumes + aodh_notifier_extra_volumes }}"
     dimensions: "{{ aodh_notifier_dimensions }}"
+    healthcheck: "{{ aodh_notifier_healthcheck }}"
+
 
 # Aodh Evaluation interval - Period of evaluation cycle, should
 # be >= than configured polling interval for collection of
@@ -98,6 +103,58 @@ aodh_evaluator_dimensions: "{{ default_container_dimensions }}"
 aodh_listener_dimensions: "{{ default_container_dimensions }}"
 aodh_notifier_dimensions: "{{ default_container_dimensions }}"
 
+aodh_api_enable_healthchecks: "{{ enable_container_healthchecks }}"
+aodh_api_healthcheck_interval: "{{ default_container_healthcheck_interval }}"
+aodh_api_healthcheck_retries: "{{ default_container_healthcheck_retries }}"
+aodh_api_healthcheck_start_period: "{{ default_container_healthcheck_start_period }}"
+aodh_api_healthcheck_test: ["CMD-SHELL", "healthcheck_curl http://{{ api_interface_address |  put_address_in_context('url') }}:{{ aodh_api_listen_port }}"]
+aodh_api_healthcheck_timeout: "{{ default_container_healthcheck_timeout }}"
+aodh_api_healthcheck:
+  interval: "{{ aodh_api_healthcheck_interval }}"
+  retries: "{{ aodh_api_healthcheck_retries }}"
+  start_period: "{{ aodh_api_healthcheck_start_period }}"
+  test: "{% if aodh_api_enable_healthchecks | bool %}{{ aodh_api_healthcheck_test }}{% else %}NONE{% endif %}"
+  timeout: "{{ aodh_api_healthcheck_timeout }}"
+
+aodh_evaluator_enable_healthchecks: "{{ enable_container_healthchecks }}"
+aodh_evaluator_healthcheck_interval: "{{ default_container_healthcheck_interval }}"
+aodh_evaluator_healthcheck_retries: "{{ default_container_healthcheck_retries }}"
+aodh_evaluator_healthcheck_start_period: "{{ default_container_healthcheck_start_period }}"
+aodh_evaluator_healthcheck_test: ["CMD-SHELL", "healthcheck_port aodh-evaluator {{ database_port }}"]
+aodh_evaluator_healthcheck_timeout: "{{ default_container_healthcheck_timeout }}"
+aodh_evaluator_healthcheck:
+  interval: "{{ aodh_evaluator_healthcheck_interval }}"
+  retries: "{{ aodh_evaluator_healthcheck_retries }}"
+  start_period: "{{ aodh_evaluator_healthcheck_start_period }}"
+  test: "{% if aodh_evaluator_enable_healthchecks | bool %}{{ aodh_evaluator_healthcheck_test }}{% else %}NONE{% endif %}"
+  timeout: "{{ aodh_evaluator_healthcheck_timeout }}"
+
+aodh_listener_enable_healthchecks: "{{ enable_container_healthchecks }}"
+aodh_listener_healthcheck_interval: "{{ default_container_healthcheck_interval }}"
+aodh_listener_healthcheck_retries: "{{ default_container_healthcheck_retries }}"
+aodh_listener_healthcheck_start_period: "{{ default_container_healthcheck_start_period }}"
+aodh_listener_healthcheck_test: ["CMD-SHELL", "healthcheck_port aodh-listener {{ om_rpc_port }}"]
+aodh_listener_healthcheck_timeout: "{{ default_container_healthcheck_timeout }}"
+aodh_listener_healthcheck:
+  interval: "{{ aodh_listener_healthcheck_interval }}"
+  retries: "{{ aodh_listener_healthcheck_retries }}"
+  start_period: "{{ aodh_listener_healthcheck_start_period }}"
+  test: "{% if aodh_listener_enable_healthchecks | bool %}{{ aodh_listener_healthcheck_test }}{% else %}NONE{% endif %}"
+  timeout: "{{ aodh_listener_healthcheck_timeout }}"
+
+aodh_notifier_enable_healthchecks: "{{ enable_container_healthchecks }}"
+aodh_notifier_healthcheck_interval: "{{ default_container_healthcheck_interval }}"
+aodh_notifier_healthcheck_retries: "{{ default_container_healthcheck_retries }}"
+aodh_notifier_healthcheck_start_period: "{{ default_container_healthcheck_start_period }}"
+aodh_notifier_healthcheck_test: ["CMD-SHELL", "healthcheck_port aodh-notifier {{ om_rpc_port }}"]
+aodh_notifier_healthcheck_timeout: "{{ default_container_healthcheck_timeout }}"
+aodh_notifier_healthcheck:
+  interval: "{{ aodh_notifier_healthcheck_interval }}"
+  retries: "{{ aodh_notifier_healthcheck_retries }}"
+  start_period: "{{ aodh_notifier_healthcheck_start_period }}"
+  test: "{% if aodh_notifier_enable_healthchecks | bool %}{{ aodh_notifier_healthcheck_test }}{% else %}NONE{% endif %}"
+  timeout: "{{ aodh_notifier_healthcheck_timeout }}"
+
 aodh_api_default_volumes:
   - "{{ node_config_directory }}/aodh-api/:{{ container_config_directory }}/:ro"
   - "/etc/localtime:/etc/localtime:ro"

ansible/roles/aodh/handlers/main.yml

@@ -11,6 +11,7 @@
     image: "{{ service.image }}"
     volumes: "{{ service.volumes|reject('equalto', '')|list }}"
     dimensions: "{{ service.dimensions }}"
+    healthcheck: "{{ service.healthcheck | default(omit) }}"
   when:
     - kolla_action != "config"
 
@@ -26,6 +27,7 @@
     image: "{{ service.image }}"
     volumes: "{{ service.volumes|reject('equalto', '')|list }}"
     dimensions: "{{ service.dimensions }}"
+    healthcheck: "{{ service.healthcheck | default(omit) }}"
   when:
     - kolla_action != "config"
 
@@ -41,6 +43,7 @@
     image: "{{ service.image }}"
     volumes: "{{ service.volumes|reject('equalto', '')|list }}"
     dimensions: "{{ service.dimensions }}"
+    healthcheck: "{{ service.healthcheck | default(omit) }}"
   when:
     - kolla_action != "config"
 
@@ -56,5 +59,6 @@
     image: "{{ service.image }}"
     volumes: "{{ service.volumes|reject('equalto', '')|list }}"
     dimensions: "{{ service.dimensions }}"
+    healthcheck: "{{ service.healthcheck | default(omit) }}"
   when:
     - kolla_action != "config"

ansible/roles/aodh/tasks/check-containers.yml

@@ -8,6 +8,7 @@
     image: "{{ item.value.image }}"
     volumes: "{{ item.value.volumes|reject('equalto', '')|list }}"
     dimensions: "{{ item.value.dimensions }}"
+    healthcheck: "{{ item.value.healthcheck | default(omit) }}"
   when:
     - inventory_hostname in groups[item.value.group]
     - item.value.enabled | bool

releasenotes/notes/implement-docker-healthchecks-for-aodh-1ddc44642c39b765.yaml

@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    Implements container healthchecks for aodh services.
+    See `blueprint
+    <https://blueprints.launchpad.net/kolla-ansible/+spec/container-health-check>`__