ansible.builtin.apt:

        update_cache: true

        upgrade: "yes"

    - name: Install a list of packages

      ansible.builtin.apt:

        update_cache: true

          - ethtool

          - python3

          - wget # for fastd-blacklist

    - name: Reboot host and wait for it to restart

      ansible.builtin.reboot:

        msg: "Reboot initiated by Ansible"

          33      lux

          42      icvpn

          100     vpn

    # Sysctl

    - name: Add the freifunk settings to sysctl config

          net.ipv6.conf.default.accept_ra = 0

          net.ipv6.conf.eth0.accept_ra = 1

          net.ipv4.conf.default.rp_filter = 2

    - name: Reload sysctl config

      ansible.builtin.shell: sysctl -p /etc/sysctl.conf

    # Modules

    - name: Load `br_netfilter` kernel module

        name: "nf_conntrack"

        state: "present"

        persistent: "present"

    # Basic networking

    - name: Setup network interfaces (bridge + bat0)

        owner: root

        group: root

        mode: "0644"

    - name: Pull up new interfaces

      ansible.builtin.command: /usr/sbin/ifup -a

    - name: Copy iptables rulesv4

      ansible.builtin.copy:

        src: "{{ server_config_dir }}/iptables/rules.v4"

        owner: root

        group: root

        mode: "0644"

    - name: Restart iptables-persistent

      ansible.builtin.service:

        name: "netfilter-persistent"

        state: "restarted"

        enabled: true

    - name: Setup dnsmasq config w/ IPv4 ranges

      ansible.builtin.template:

        src: "{{ server_config_dir }}/dnsmasq/fflux.j2"

        owner: root

        group: root

        mode: "0644"

    # fastd

    - name: Create the fflux dir inside of fastd

        path: /etc/fastd/fflux

        state: directory

        mode: "0755"

    - name: Setup fastd (fflux) config w/ MAC address

      ansible.builtin.template:

        src: "{{ server_config_dir }}/fastd/fastd.conf.j2"

        owner: root

        group: root

        mode: "0644"

    - name: Create peers-gw directory in fastd/fflux

      ansible.builtin.file:

        path: /etc/fastd/fflux/peers-gw

        state: directory

        mode: "0755"

    - name: List all peers but ourselves

      ansible.builtin.find:

        path: "{{ server_config_dir }}/fastd/peers-gw/"

        excludes: "{{ inventory_hostname }}"

      delegate_to: localhost

      register: peers_to_copy

    - name: Copy fastd peers

      ansible.builtin.copy:

        src: "{{ item.path }}"

        dest: /etc/fastd/fflux/peers-gw/

      with_items: "{{ peers_to_copy.files }}"

    - name: Copy fastd blacklist script

      ansible.builtin.copy:

        src: "{{ server_scripts_dir }}/fastd-blacklist.sh"

        owner: root

        group: root

        mode: "0755"

    - name: Set fastd to autostart all

      ansible.builtin.copy:

        src: "{{ server_config_dir }}/fastd/fastd"

        owner: root

        group: root

        mode: "0644"

    - name: Start fastd

      ansible.builtin.service:

        name: "fastd"

        state: "started"

        enabled: "true"

    # OpenVPN

    - name: Remove client directory

      ansible.builtin.file:

        path: /etc/openvpn/client

        state: absent

    - name: Remove server directory

      ansible.builtin.file:

        path: /etc/openvpn/server

        state: absent

    - name: Copy hideme config

      ansible.builtin.copy:

        src: "{{ server_config_dir }}/openvpn/hideme.conf"

        owner: root

        group: root

        mode: "0644"

    - name: Copy hideme auth file

      ansible.builtin.copy:

        src: "{{ server_config_dir }}/openvpn/auth.txt"

        owner: root

        group: root

        mode: "0640"

    - name: Copy hideme-up script

      ansible.builtin.copy:

        src: "{{ server_scripts_dir }}/hideme-up"

        owner: root

        group: root

        mode: "0755"

    - name: Copy hideme-down script

      ansible.builtin.copy:

        src: "{{ server_scripts_dir }}/hideme-down"

        owner: root

        group: root

        mode: "0755"

    - name: Copy update-resolv-conf

      ansible.builtin.copy:

        src: "{{ server_config_dir }}/openvpn/update-resolv-conf"

        owner: root

        group: root

        mode: "0755"

    - name: Ensure OpenVPN sevice is enabled + starts

      ansible.builtin.service:

        name: "openvpn@hideme"

        state: "started"

        enabled: true

    # batman-adv

    - name: Add batman-adv to modules

        name: "batman-adv"

        state: "present"

        persistent: "present"

    - name: Add nf_conntrack to modules

      community.general.modprobe:

        name: "nf_conntrack"

        state: "present"

        persistent: "present"

    - name: Add ebtables to modules

      community.general.modprobe:

        name: "ebtables"

        state: "present"

        persistent: "present"

    # "check" scripts

    - name: Copy check gateway script

        owner: root

        group: root

        mode: "0755"

    - name: Copy check vpn script

      ansible.builtin.copy:

        src: "{{ server_scripts_dir }}/check_vpn.sh"

        owner: root

        group: root

        mode: "0755"

    # mesh-announce

    - name: Clone mesh-announce git repo

        dest: /opt/mesh-announce

        # TODO: Verify that there has been no update!

        version: 40be9a18ee91fa058478bc04105cbd79fd70279e

    - name: Configure respondd.service file

      ansible.builtin.lineinfile:

        path: /opt/mesh-announce/respondd.service

        regexp: "^ExecStart="

        line: "ExecStart=/opt/mesh-announce/respondd.py -d /opt/mesh-announce/providers -f /opt/mesh-announce/respondd.conf"

        state: present

    - name: Symbolic link for respondd.service

      ansible.builtin.file:

        src: /opt/mesh-announce/respondd.service

        group: root

        state: link

        force: true

    - name: Copy respondd.conf template w/ IP + Hardware

      ansible.builtin.template:

        src: "{{ server_config_dir }}/respondd.conf.j2"

        dest: /opt/mesh-announce/respondd.conf

        owner: root

        mode: "0644"

    - name: Enable + Start respondd.service

      ansible.builtin.service:

        name: "respondd"

        state: "started"

        enabled: "true"

    # Disables systemd-resolved Stub Listener

    - name: Stop systemd-resolved

      ansible.builtin.service:

        name: "systemd-resolved"

        state: "stopped"

    - name: Copy resolved.conf

      ansible.builtin.copy:

        src: "{{ server_config_dir }}/systemd-resolved/resolved.conf"

        owner: root

        group: root

        mode: "0644"

    - name: Create a symbolic link for resolv.conf, replacing the initial resolv.conf

      ansible.builtin.file:

        src: /run/systemd/resolve/resolv.conf

        group: root

        state: link

        force: true

    - name: Start systemd-resolved

      ansible.builtin.service:

        name: "systemd-resolved"

        state: "started"

        enabled: "true"

    - name: Make sure dnsmasq is started

      ansible.builtin.service:

        name: "dnsmasq"

        state: "started"

        enabled: "true"

    - name: Reload dnsmasq

      ansible.builtin.service:

        name: "dnsmasq"

        state: "reloaded"

    # Crontab

    - name: Add check_gateway to cron

        day: "*"

        month: "*"

        weekday: "*"

    - name: Add check_vpn to cron

      ansible.builtin.cron:

        name: "check if vpn is online"

        day: "*"

        month: "*"

        weekday: "*"

    - name: Regularly download the peer blacklist

      ansible.builtin.cron:

        name: "download blacklist"

        day: "*"

        month: "*"

        weekday: "*"

    # Reboot and reconnect

    - name: Reboot host and wait for it to restart