---
- name: Set haproxy frontend port
  openshift_facts:
    role: loadbalancer
    local_facts:
      frontend_port: "{{ openshift_master_api_port | default(None) }}"

- name: Set loadbalancer facts
  openshift_facts:
    role: loadbalancer
    local_facts:
      limit_nofile: "{{ openshift_loadbalancer_limit_nofile | default(None) }}"
      default_maxconn: "{{ openshift_loadbalancer_default_maxconn | default(None) }}"
      global_maxconn: "{{ openshift_loadbalancer_global_maxconn | default(None) }}"
      frontends:
      - name: atomic-openshift-api
        mode: tcp
        options:
        - tcplog
        binds:
        - "*:{{ openshift.loadbalancer.frontend_port }}"
        default_backend: atomic-openshift-api
      backends:
      - name: atomic-openshift-api
        mode: tcp
        option: tcplog
        balance: source
        servers: "{{ hostvars
                     | oo_select_keys(groups['oo_masters'])
                     | oo_haproxy_backend_masters(openshift.loadbalancer.frontend_port) }}"

- name: Install haproxy
  action: "{{ ansible_pkg_mgr }} name=haproxy state=present"
  when: not openshift.common.is_containerized | bool

- name: Configure systemd service directory for haproxy
  file:
    path: /etc/systemd/system/haproxy.service.d
    state: directory
  when: "'limit_nofile' in openshift.loadbalancer"

- name: Configure the nofile limits for haproxy
  ini_file:
    dest: /etc/systemd/system/haproxy.service.d/limits.conf
    section: Service
    option: LimitNOFILE
    value: "{{ openshift.loadbalancer.limit_nofile }}"
  when: "'limit_nofile' in openshift.loadbalancer"
  notify: restart haproxy
  register: nofile_limit_result

- name: Reload systemd if needed
  command: systemctl daemon-reload
  when: nofile_limit_result | changed

- name: Configure haproxy
  template:
    src: haproxy.cfg.j2
    dest: /etc/haproxy/haproxy.cfg
    owner: root
    group: root
    mode: 0644
  notify: restart haproxy

- name: Enable and start haproxy
  service:
    name: haproxy
    state: started
    enabled: yes
  register: start_result

- set_fact:
    haproxy_start_result_changed: "{{ start_result | changed }}"