haproxy ideas

etc__openstack_deploy__conf.d__newcomponent.yml

#For a new components that has to be proxied by haproxy, just create the component here and add
newcomponent_hosts:
  nameofthehost1:
    ip: <ip>
    container_vars:
      haproxy_service_configs:
        - newcomponent_haproxied1:
            haproxy_service_name: first_config_file
            haproxy_backend_nodes: "{{ [groups['newcomponent_hosts'] }}"  
         - newcomponent_haproxied2:
            haproxy_service_name: second_config_file
            haproxy_backend_nodes: "{{ [groups['newcomponent_hosts'] }}"         

etc__openstack_deploy__openstack_user_config.yml

#We can override the defaults for existing components on a component basis
storage_hosts:
  tl10:
    ip: 192.168.55.10
    container_vars:
      cinder_storage_availability_zone: cinder-preprod
      cinder_default_availability_zone: cinder-preprod
      haproxy_service_configs:
      - cinder:
          haproxy_service_name: cinder_api
          haproxy_backend_nodes: "{{ groups['cinder_api'] }}"
          haproxy_port: 8776
          ...

playbooks__haproxy-install.yml

- name: Install default haproxy with conf.d support
  hosts: haproxy_all
  role: haproxy_server
  tags:
    - haproxy-server

# if in user_variables there is a haproxy_custom: True
- include: haproxy-legacy-cleanup
  when: haproxy_custom == 'True'
  
#if its not defined in the inventory, then it won't receive the template -> no unnecessary haproxy backends.
- name: Overwrite openstack services depending on the need
  hosts: all
  tasks:
    - name: Generate config files
      delegate_to: haproxy_all
      debug: var=item
      #will be template on the next version.
      with_items: haproxy_service_configs
  when: when: haproxy_custom == 'True'

playbooks__inventory__group_vars__galera_all

#For existing components, here is where we define the defaults, with each component it's own file.
haproxy_service_configs:
  - galera:
      haproxy_service_name: galera
      haproxy_backend_nodes: "{{ [groups['galera_all'][0]] }}"  # list expected
      haproxy_backup_nodes: "{{ groups['galera_all'][1:] }}"
      haproxy_port: 3306
      haproxy_balance_type: tcp
      haproxy_timeout_client: 5000s
      haproxy_timeout_server: 5000s
      haproxy_backend_options:
        - "mysql-check user {{ galera_monitoring_user }}"