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

        - name: "Getent group keepalived_script"
          ansible.builtin.getent:
            database: group
            key: keepalived_script
          register: keepalived_script_group

        - name: "Verify keepalived_script user and group"
          ansible.builtin.assert:
            that:
              - not keepalived_script_user.failed
              - not keepalived_script_group.failed
              - "'keepalived_script' in keepalived_script_user.ansible_facts.getent_passwd.keys()"
              - "'/home/keepalived_script' in keepalived_script_user.ansible_facts.getent_passwd['keepalived_script']"
              - "'/bin/false' in keepalived_script_user.ansible_facts.getent_passwd['keepalived_script']"
              - "'keepalived_script' in keepalived_script_group.ansible_facts.getent_group.keys()"

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

        - name: "Stat file /etc/keepalived/keepalived.env"
          ansible.builtin.stat:
            path: "/etc/keepalived/keepalived.env"
          register: stat_etc_keepalived_keepalived_env

        - name: "Stat file /etc/keepalived/keepalived.conf"
          ansible.builtin.stat:
            path: "/etc/keepalived/keepalived.conf"
          register: stat_etc_keepalived_keepalived_conf

        - name: "Slurp file /etc/keepalived/keepalived.conf"
          ansible.builtin.slurp:
            src: "/etc/keepalived/keepalived.conf"
          register: slurp_etc_keepalived_keepalived_conf

        - name: "Verify directory /etc/keepalived"
          vars:
            keepalived_expected_cfg_file: |
              # Ansible managed: Do NOT edit this file manually!
              # THIS IS A CUSTOM CONF
              global_defs {
                script_user keepalived_script
                enable_script_security
              }

              vrrp_instance instance {
                interface eth0

                state BACKUP
                virtual_router_id 50
                priority 100
                advert_int 1

                nopreempt

                unicast_src_ip {{ ansible_default_ipv4.address }}
                unicast_peer {
                  192.168.1.13
                  192.168.1.14
                  192.168.1.15
                }

                authentication {
                  auth_type PASS
                  auth_pass password
                }

                virtual_ipaddress {
                  192.168.1.100/32
                }

                notify /etc/keepalived/scripts.d/notify.sh
              }
          ansible.builtin.assert:
            that:
              - stat_etc_keepalived.stat.exists
              - stat_etc_keepalived.stat.isdir
              - stat_etc_keepalived.stat.pw_name == 'root'
              - stat_etc_keepalived.stat.gr_name == 'root'
              - stat_etc_keepalived.stat.mode == '0755'
              - stat_etc_keepalived_keepalived_env.stat.exists
              - stat_etc_keepalived_keepalived_env.stat.isreg
              - stat_etc_keepalived_keepalived_env.stat.pw_name == 'root'
              - stat_etc_keepalived_keepalived_env.stat.gr_name == 'root'
              - stat_etc_keepalived_keepalived_env.stat.mode == '0600'
              - stat_etc_keepalived_keepalived_conf.stat.exists
              - stat_etc_keepalived_keepalived_conf.stat.isreg
              - stat_etc_keepalived_keepalived_conf.stat.pw_name == 'root'
              - stat_etc_keepalived_keepalived_conf.stat.gr_name == 'root'
              - stat_etc_keepalived_keepalived_conf.stat.mode == '0600'
              - (slurp_etc_keepalived_keepalived_conf.content|b64decode) == keepalived_expected_cfg_file

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

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

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

        - name: "Verify service keepalived"
          vars:
            keepalived_expected_service_file: |
              # Ansible managed: Do NOT edit this file manually!
              [Unit]
              Description=Keepalive Daemon (LVS and VRRP)
              After=network-online.target
              Wants=network-online.target
              ConditionFileNotEmpty=/etc/keepalived/keepalived.conf

              [Service]
              # Type=notify
              EnvironmentFile=-/etc/keepalived/keepalived.env
              ExecStart=/usr/local/sbin/keepalived -f /etc/keepalived/keepalived.conf --dont-fork $DAEMON_ARGS
              ExecReload=/bin/kill -HUP $MAINPID

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

    - name: "Test: file /usr/local/sbin/keepalived"
      block:
        - name: "Stat file /usr/local/sbin/keepalived"
          ansible.builtin.stat:
            path: "/usr/local/sbin/keepalived"
          register: stat_usr_local_sbin_keepalived

        - name: "Command keepalived --version"
          ansible.builtin.command: "keepalived --version"
          changed_when: false
          register: keepalived_version

        - name: "Verify file /usr/local/sbin/keepalived"
          ansible.builtin.assert:
            that:
              - keepalived_version.stderr | regex_search('^Keepalived v2\\.2\\.7')
              - stat_usr_local_sbin_keepalived.stat.exists
              - stat_usr_local_sbin_keepalived.stat.isreg
              - stat_usr_local_sbin_keepalived.stat.pw_name == 'root'
              - stat_usr_local_sbin_keepalived.stat.gr_name == 'root'
              - stat_usr_local_sbin_keepalived.stat.mode == '0755'

    - name: "Test: interfaces"
      block:
        - name: "Debug"
          ansible.builtin.debug:
            msg: "{{ ansible_eth0 }}"

        - name: "Verify VIP interface"
          ansible.builtin.assert:
            that:
              - ansible_eth0.active
              - ansible_eth0.ipv4_secondaries[0].address == '192.168.1.100'
              - ansible_eth0.ipv4_secondaries[0].netmask == '255.255.255.255'
              - ansible_eth0.ipv4_secondaries[0].broadcast == ''
              - ansible_eth0.ipv4_secondaries[0].network == '192.168.1.100'
              - ansible_eth0.ipv4_secondaries[0].prefix == '32'