ansible - define var's value depending on another variable - docker

Question

today I have a loop that allows me to start multiple docker containers
- name: start container current
docker_container:
name: "{{ item.name }}"
image: "{{ item.name }}:{{ item.version }}"
state: started
recreate: true
ports:
- "{{ item.ports }}"
volumes:
- /opt/application/i99/{{ item.type }}/logs:/opt/application/i99/{{ item.type }}/logs
env_file: /opt/application/i99/{{ item.type }}/{{ item.name }}/{{ item.name }}-PreProd-config.list
env:
LOG_FILE_WS: "/opt/application/i99/{{ item.type }}/logs/{{ hostname }}_WS.log"
with_items:
- { name: 'backend', ports: '8000:8000', type: 'current', version: '{{RCD_VERSION_CURRENT}}' }
- { name: 'connecteur', ports: '8400:8400', type: 'current', version: '{{RCD_VERSION_CURRENT}}' }
- { name: 'api-alerting', ports: '8100:8100', type: 'current', version: '{{RCD_VERSION_CURRENT}}' }
- { name: 'api-tracking', ports: '8200:8200', type: 'current', version: '{{RCD_VERSION_CURRENT}}' }
I have a extra variable {{ RCD_APIS }} that contain a list of all my containers name. I would like to loop over that list and define the following variable conditionnally to the name and run the containers
vars to define : ports, type, version
I want to do something like
- name: start container current
docker_container:
name: "{{ item }}"
image: "{{ item }}:{{ version }}"
state: started
user: adi99api
recreate: true
ports:
- "{{ ports }}"
volumes:
- /opt/application/i99/{{ type }}/logs:/opt/application/i99/{{ type }}/logs
env_file: /opt/application/i99/{{ type }}/{{ item }}/{{ name }}-PreProd-config.list
env:
LOG_FILE_WS: "/opt/application/i99/{{ type }}/logs/{{ hostname }}_WS.log"
with_items: "{{ RCD_APIS.split(',') }}"
when: ( item == "backend", ports: '8000:8000', type: 'current', version: '{{RCD_VERSION_CURRENT}}') or
( item == "connecteur", ports: '8400:8400', type: 'pilote', version: '{{RCD_VERSION_PILOTE}}')

Answer 1

# in a vars file, or a `vars` section
---
docker_containers_config:
backend:
ports: '8000:8000'
type: current
version: '{{RCD_VERSION_CURRENT}}'
connecteur:
ports: '8400:8400'
type: current
version: '{{RCD_VERSION_CURRENT}}'
api-alerting:
ports: '8100:8100'
type: 'current'
version: '{{RCD_VERSION_CURRENT}}'
api-tracking:
ports: '8200:8200'
type: 'current'
version: '{{RCD_VERSION_CURRENT}}'
_
# In your tasks
- name: start container current
docker_container:
name: "{{ item }}"
image: "{{ item }}:{{ docker_containers_config[item].version }}"
state: started
recreate: true
ports:
- "{{ docker_containers_config[item].ports }}"
volumes:
- /opt/application/i99/{{ item.type }}/logs:/opt/application/i99/{{ item.type }}/logs
env_file: /opt/application/i99/{{ docker_containers_config[item].type }}/{{ item }}/{{ item }}-PreProd-config.list
env:
LOG_FILE_WS: "/opt/application/i99/{{ docker_containers_config[item].type }}/logs/{{ hostname }}_WS.log"
with_items: "{{ RCD_APIS.split(',') }}"