---
- name: Verify
  hosts: all
  gather_facts: true
  become: true
  tasks:
    - name: "Test: haproxy user and group"
      block:
        - name: "Getent user haproxy"
          ansible.builtin.getent:
            database: passwd
            key: haproxy
          register: haproxy_user

        - name: "Getent group haproxy"
          ansible.builtin.getent:
            database: group
            key: haproxy
          register: haproxy_group

        - name: "Verify haproxy user and group"
          ansible.builtin.assert:
            that:
              - not haproxy_user.failed
              - not haproxy_group.failed
              - "'haproxy' in haproxy_user.ansible_facts.getent_passwd.keys()"
              - "'/var/lib/haproxy' in haproxy_user.ansible_facts.getent_passwd['haproxy']"
              - "'/bin/false' in haproxy_user.ansible_facts.getent_passwd['haproxy']"
              - "'haproxy' in haproxy_group.ansible_facts.getent_group.keys()"

    - name: "Test: directory /etc/haproxy"
      block:
        - name: "Stat directory /etc/haproxy"
          ansible.builtin.stat:
            path: "/etc/haproxy"
          register: stat_etc_haproxy

        - name: "Stat file /etc/haproxy/haproxy.env"
          ansible.builtin.stat:
            path: "/etc/haproxy/haproxy.env"
          register: stat_etc_haproxy_haproxy_env

        - name: "Stat file /etc/haproxy/haproxy.cfg"
          ansible.builtin.stat:
            path: "/etc/haproxy/haproxy.cfg"
          register: stat_etc_haproxy_haproxy_cfg

        - name: "Slurp file /etc/haproxy/haproxy.cfg"
          ansible.builtin.slurp:
            src: "/etc/haproxy/haproxy.cfg"
          register: slurp_etc_haproxy_haproxy_cfg

        - name: "Verify directory /etc/haproxy"
          ansible.builtin.assert:
            that:
              - stat_etc_haproxy.stat.exists
              - stat_etc_haproxy.stat.isdir
              - stat_etc_haproxy.stat.pw_name == 'haproxy'
              - stat_etc_haproxy.stat.gr_name == 'haproxy'
              - stat_etc_haproxy.stat.mode == '0755'
              - stat_etc_haproxy_haproxy_env.stat.exists
              - stat_etc_haproxy_haproxy_env.stat.isreg
              - stat_etc_haproxy_haproxy_env.stat.pw_name == 'haproxy'
              - stat_etc_haproxy_haproxy_env.stat.gr_name == 'haproxy'
              - stat_etc_haproxy_haproxy_env.stat.mode == '0600'
              - stat_etc_haproxy_haproxy_cfg.stat.exists
              - stat_etc_haproxy_haproxy_cfg.stat.isreg
              - stat_etc_haproxy_haproxy_cfg.stat.pw_name == 'haproxy'
              - stat_etc_haproxy_haproxy_cfg.stat.gr_name == 'haproxy'
              - stat_etc_haproxy_haproxy_cfg.stat.mode == '0600'
              - slurp_etc_haproxy_haproxy_cfg.content != ''

    - name: "Test: directory /var/lib/haproxy"
      block:
        - name: "Stat directory /var/lib/haproxy"
          ansible.builtin.stat:
            path: "/var/lib/haproxy"
          register: stat_var_lib_haproxy

        - name: "Stat socket /var/lib/haproxy/stats"
          ansible.builtin.stat:
            path: "/var/lib/haproxy/stats"
          register: stat_var_lib_haproxy_stats

        - name: "Verify directory /var/lib/haproxy"
          ansible.builtin.assert:
            that:
              - stat_var_lib_haproxy.stat.exists
              - stat_var_lib_haproxy.stat.isdir
              - stat_var_lib_haproxy.stat.pw_name == 'haproxy'
              - stat_var_lib_haproxy.stat.gr_name == 'haproxy'
              - stat_var_lib_haproxy.stat.mode == '0755'
              - stat_var_lib_haproxy_stats.stat.exists
              - stat_var_lib_haproxy_stats.stat.issock

    - name: "Test: service haproxy"
      block:
        - name: "Get service haproxy"
          ansible.builtin.service_facts:

        - name: "Stat file /etc/systemd/system/haproxy.service"
          ansible.builtin.stat:
            path: "/etc/systemd/system/haproxy.service"
          register: stat_etc_systemd_system_haproxy_service

        - name: "Slurp file /etc/systemd/system/haproxy.service"
          ansible.builtin.slurp:
            src: "/etc/systemd/system/haproxy.service"
          register: slurp_etc_systemd_system_haproxy_service

        - name: "Verify service haproxy"
          vars:
            haproxy_expected_service_file: |
              # Ansible managed: Do NOT edit this file manually!
              [Unit]
              Description=HAProxy Load Balancer
              Documentation=man:haproxy(1)
              Documentation=file:/usr/share/doc/haproxy/configuration.txt.gz
              ConditionFileNotEmpty=/etc/haproxy/haproxy.cfg
              After=network-online.target rsyslog.service
              Wants=network-online.target

              [Service]
              EnvironmentFile=-/etc/default/haproxy
              EnvironmentFile=-/etc/haproxy/haproxy.env
              BindReadOnlyPaths=/dev/log:/var/lib/haproxy/dev/log
              Environment="CONFIG=/etc/haproxy/haproxy.cfg" "PIDFILE=/run/haproxy.pid" "EXTRAOPTS=-S /run/haproxy-master.sock"
              ExecStart=/usr/sbin/haproxy -Ws -f $CONFIG -p $PIDFILE $EXTRAOPTS
              ExecReload=/usr/sbin/haproxy -Ws -f $CONFIG -c $EXTRAOPTS
              ExecReload=/bin/kill -USR2 $MAINPID
              KillMode=mixed
              Restart=always
              SuccessExitStatus=143
              Type=notify

              [Install]
              WantedBy=multi-user.target
          ansible.builtin.assert:
            that:
              - stat_etc_systemd_system_haproxy_service.stat.exists
              - stat_etc_systemd_system_haproxy_service.stat.isreg
              - stat_etc_systemd_system_haproxy_service.stat.pw_name == 'root'
              - stat_etc_systemd_system_haproxy_service.stat.gr_name == 'root'
              - stat_etc_systemd_system_haproxy_service.stat.mode == '0644'
              - (slurp_etc_systemd_system_haproxy_service.content|b64decode) == haproxy_expected_service_file
              - ansible_facts.services['haproxy.service'] is defined
              - ansible_facts.services['haproxy.service']['source'] == 'systemd'
              - ansible_facts.services['haproxy.service']['state'] == 'running'
              - ansible_facts.services['haproxy.service']['status'] == 'enabled'

    - name: "Test: haproxy endpoints"
      block:
        - name: "Get haproxy /health"
          ansible.builtin.uri:
            url: "http://127.0.0.1:9000/health"
            method: GET
          register: haproxy_health_endpoint

        - name: "Get haproxy /stats"
          ansible.builtin.uri:
            url: "http://127.0.0.1:9000/stats"
            method: GET
            force_basic_auth: true
            url_username: admin
            url_password: password
          register: haproxy_stats_endpoint

        - name: "Get haproxy /metrics"
          ansible.builtin.uri:
            url: "http://127.0.0.1:9000/metrics"
            method: GET
          register: haproxy_metrics_endpoint

        - name: "Verify haproxy endpoints"
          ansible.builtin.assert:
            that:
              - haproxy_health_endpoint.status == 200
              - haproxy_stats_endpoint.status == 200
              - haproxy_metrics_endpoint.status == 200