---
# Copyright Red Hat, Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.


- name: Converge
  hosts: all
  vars:
    cifmw_radvd_networks:
      - name: testnet1
        adv_managed_flag: true
        adv_other_config_flag: true
        adv_ra_solicited_unicast: true
        adv_link_mtu: 1500
        min_rtr_adv_interval: 30
        max_rtr_adv_interval: 100
        prefixes:
          - network: "2001:db8:1::/64"
            adv_on_link: true
            adv_autonomous: true
            adv_router_addr: true
      - name: testnet2
        adv_managed_flag: true
        adv_other_config_flag: true
        adv_link_mtu: 1500
        min_rtr_adv_interval: 30
        max_rtr_adv_interval: 100
        prefixes:
          - network: "2001:db8:2::/64"
            adv_on_link: true
            adv_autonomous: false
        rdnss:
          - servers:
              - "2001:db8:2::53"
            adv_rdnss_lifetime: 300
      - name: testnet3
        adv_managed_flag: false
        adv_other_config_flag: false
        adv_link_mtu: 9000
        min_rtr_adv_interval: 30
        max_rtr_adv_interval: 600
        prefixes:
          - network: "2001:db8:3::/64"
            adv_on_link: true
            adv_autonomous: true
        rdnss:
          - servers:
              - "2001:db8:3::53"
            adv_rdnss_lifetime: 600
  roles:
    - role: "radvd"
  tasks:
    - name: Verify radvd configuration is valid
      become: true
      ansible.builtin.command:
        cmd: /usr/sbin/radvd -c -C /etc/radvd.conf
      changed_when: false

    - name: Check if configuration files exist
      become: true
      ansible.builtin.stat:
        path: "{{ item }}"
      register: _config_files
      loop:
        - /etc/radvd.conf
        - /etc/cifmw-radvd.d/testnet1.conf
        - /etc/cifmw-radvd.d/testnet2.conf
        - /etc/cifmw-radvd.d/testnet3.conf

    - name: Assert all configuration files exist
      ansible.builtin.assert:
        that:
          - _config_files.results | map(attribute='stat.exists') | list | min

    - name: Verify testnet1 configuration content
      become: true
      ansible.builtin.slurp:
        path: /etc/cifmw-radvd.d/testnet1.conf
      register: _testnet1_conf

    - name: Check testnet1 configuration has expected content
      vars:
        _config: "{{ _testnet1_conf.content | b64decode }}"
      ansible.builtin.assert:
        that:
          - "'interface testnet1' in _config"
          - "'AdvSendAdvert on' in _config"
          - "'AdvManagedFlag on' in _config"
          - "'AdvOtherConfigFlag on' in _config"
          - "'AdvRASolicitedUnicast on' in _config"
          - "'AdvLinkMTU 1500' in _config"
          - "'MinRtrAdvInterval 30' in _config"
          - "'MaxRtrAdvInterval 100' in _config"
          - "'prefix 2001:db8:1::/64' in _config"
          - "'AdvOnLink on' in _config"
          - "'AdvAutonomous on' in _config"
          - "'AdvRouterAddr on' in _config"

    - name: Verify testnet1 configuration formatting is correct
      vars:
        _config_lines: "{{ (_testnet1_conf.content | b64decode).split('\n') }}"
      ansible.builtin.assert:
        that:
          # Check directives are on separate lines (not squished together)
          - _config_lines | select('match', '.*;.*AdvManagedFlag') | list | length == 0
          - _config_lines | select('match', '.*;.*AdvOtherConfigFlag') | list | length == 0
          - _config_lines | select('match', '.*;.*AdvLinkMTU') | list | length == 0
          # Check specific lines have proper formatting (one directive per line)
          - _config_lines | select('match', '^        AdvManagedFlag on;$') | list | length == 1
          - _config_lines | select('match', '^        AdvOtherConfigFlag on;$') | list | length == 1
          - _config_lines | select('match', '^        AdvLinkMTU 1500;$') | list | length == 1
        msg: "Configuration formatting is incorrect - directives may be squished together on the same line"

    - name: Verify testnet2 configuration has RDNSS
      become: true
      ansible.builtin.slurp:
        path: /etc/cifmw-radvd.d/testnet2.conf
      register: _testnet2_conf

    - name: Check testnet2 configuration has RDNSS
      vars:
        _config: "{{ _testnet2_conf.content | b64decode }}"
      ansible.builtin.assert:
        that:
          - "'RDNSS 2001:db8:2::53' in _config"
          - "'AdvRDNSSLifetime 300' in _config"
          - "'AdvAutonomous off' in _config"

    - name: Verify service is running
      become: true
      ansible.builtin.systemd:
        name: radvd.service
      register: _service_status

    - name: Assert service is active
      ansible.builtin.assert:
        that:
          - _service_status.status.ActiveState == 'active'

    - name: Remove testnet3 network configuration
      vars:
        cifmw_radvd_networks:
          - name: testnet3
            state: absent
      ansible.builtin.include_role:
        name: radvd

    - name: Verify testnet3 network configuration was removed
      become: true
      ansible.builtin.stat:
        path: /etc/cifmw-radvd.d/testnet3.conf
      register: _testnet3_conf

    - name: Assert testnet3 configuration is removed
      ansible.builtin.assert:
        that:
          - not _testnet3_conf.stat.exists

    - name: Verify service is still running after network removal
      become: true
      ansible.builtin.systemd:
        name: radvd.service
      register: _service_status_after

    - name: Assert service is still active
      ansible.builtin.assert:
        that:
          - _service_status_after.status.ActiveState == 'active'