path: root/inventory/host_vars/ch-router.yml

---
install:
  vm:
    memory: 128M
    numcpus: 2
    autostart: true
  disks:
    primary: /dev/sda
    scsi:
      sda:
        type: image
        path: "/srv/nvme/{{ inventory_hostname }}/root.img"
  interfaces:
  - bridge: br-svc
  - bridge: br-magenta
  - bridge: br-mgmt


openwrt_arch: x86
openwrt_target: 64
openwrt_profile: generic
openwrt_output_image_suffixes:
  - "{{ openwrt_profile }}-ext4-combined.img.gz"

openwrt_packages_remove:
  - ppp
  - ppp-mod-pppoe
  - dnsmasq
  - firewall
  - firewall4
  - odhcpd
  - odhcpd-ipv6only
openwrt_packages_add:
  - nftables
  - kmod-nft-nat
  - sqm-scripts
  - rng-tools
  - htop
  - ip
  - less
  - nano
  - tcpdump-mini
  - iperf
  - iperf3
  - mtr
  - usbutils
  - openvpn-openssl
  - kmod-wireguard
  - wireguard-tools
  - iptraf-ng
  - prometheus-node-exporter-lua
  - prometheus-node-exporter-lua-nat_traffic
  - prometheus-node-exporter-lua-netstat
  - prometheus-node-exporter-lua-openwrt

openwrt_mixin:
  /etc/openvpn/ca.crt:
    content: "{{ openvpn_ca_certificate }}"

  /etc/openvpn/dhparams:
    mode: "0600"
    content: "{{ openvpn_dhparams }}"

  /etc/openvpn/ta.key:
    mode: "0600"
    content: "{{ openvpn_ta_key }}"

  /etc/openvpn/server.crt:
    content: |
      -----BEGIN CERTIFICATE-----
      MIIHXDCCBUSgAwIBAgIBAjANBgkqhkiG9w0BAQsFADCBqzELMAkGA1UEBhMCQVQx
      DzANBgNVBAgTBlN0eXJpYTENMAsGA1UEBxMER3JhejEWMBQGA1UEChMNY2hhb3Mg
      YXQgaG9tZTEPMA0GA1UECxMGc3lzb3BzMRkwFwYDVQQDExBjaGFvcyBhdCBob21l
      IENBMRAwDgYDVQQpEwdFYXN5UlNBMSYwJAYJKoZIhvcNAQkBFhdhZG1pbkBjaGFv
      cy1hdC1ob21lLm9yZzAeFw0xNTA1MDIwMTU3NDZaFw0yNTA0MjkwMTU3NDZaMIGi
      MQswCQYDVQQGEwJBVDEPMA0GA1UECBMGU3R5cmlhMQ0wCwYDVQQHEwRHcmF6MRYw
      FAYDVQQKEw1jaGFvcyBhdCBob21lMQ8wDQYDVQQLEwZzeXNvcHMxEDAOBgNVBAMT
      B3BhbmRvcmExEDAOBgNVBCkTB0Vhc3lSU0ExJjAkBgkqhkiG9w0BCQEWF2FkbWlu
      QGNoYW9zLWF0LWhvbWUub3JnMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKC
      AgEAvwp3VeAZ2+uWLv0ePQ+I8T+0JMQkCdpv2Hn8gEQyUe4ubPtR6SE7455mXtGS
      WA67M9uHmX6jleQmap7VQPweBy5UD6ge5q39oJMB5G2wug2/QRcgTZVF1r14ZEmk
      mI31fQBHI/8M3gtMGzB5q0ohsaOuNSEyQir/CBDlDoyOzcVKRC3hQ4DVqD1Trp2M
      +bxINC9jcQUQd/U5+Ui51tlSBMs/M+0gAlD0kypgcQNZcDDsLW+iTF79/XMweowp
      bRDv8GbabL1E5kMYL1Ii0vNV6xmjbiyI/tX4DMyKa5d2LI80X932U/ILyq01GVhq
      bhribfZzqfJhC7zAc09zw2NfQ2F6ZAAcTMmCK/GFTpKWgBufRl7gr93f3mNDzVP4
      9KDvQa62CUKEy7ELwxpAEyAlGEkym2Nw+SfiAy2W2uHrpV5UF4uVs58MKUnq3Ktw
      O04comiuLnXkY9/7USrMngnuJdxcwd6kEXuk6WUZGHWhgGkdP6Ww5DE2HNicSHnT
      2gJFOkvvyXO5G7rmndJgK4dlsDuTdax6obIVyVEn20L8sLhuzQwfg1Z+1rnvkZVC
      0n9gYp104e36HrAhX5xYwkZ2sn1Rls/PU94ciH/7TjCXOxdOLcXw4yo2btsGNtli
      9I/tjPn5GHgLWa8VCGdGBsij7XP2AqPFGnzqS2lFi28YxukCAwEAAaOCAZAwggGM
      MAkGA1UdEwQCMAAwEQYJYIZIAYb4QgEBBAQDAgZAMDQGCWCGSAGG+EIBDQQnFiVF
      YXN5LVJTQSBHZW5lcmF0ZWQgU2VydmVyIENlcnRpZmljYXRlMB0GA1UdDgQWBBR/
      DVVuzBz4Tb2mji2hC3IeOR5t7jCB4AYDVR0jBIHYMIHVgBTgUyHn3CGUn931tyDF
      WVoc7+gfBaGBsaSBrjCBqzELMAkGA1UEBhMCQVQxDzANBgNVBAgTBlN0eXJpYTEN
      MAsGA1UEBxMER3JhejEWMBQGA1UEChMNY2hhb3MgYXQgaG9tZTEPMA0GA1UECxMG
      c3lzb3BzMRkwFwYDVQQDExBjaGFvcyBhdCBob21lIENBMRAwDgYDVQQpEwdFYXN5
      UlNBMSYwJAYJKoZIhvcNAQkBFhdhZG1pbkBjaGFvcy1hdC1ob21lLm9yZ4IJAOGc
      Xf3qnvfBMBMGA1UdJQQMMAoGCCsGAQUFBwMBMAsGA1UdDwQEAwIFoDASBgNVHREE
      CzAJggdwYW5kb3JhMA0GCSqGSIb3DQEBCwUAA4ICAQBTa8rgGfdlmKOhrzZEPUCZ
      eAEICIpI1GnrHNLNAmbM4OIEO8lNPEVcsalqJSvFXaRh5lRBd4zGDhE2sehL13sX
      ceeZTh4Ss6xBguHWh3ZCLcZimqbritAF9zl53Aer6AeCw0lYTlgFVgZBPU9X4UXV
      mKqrmuorOy34vN/slRcsACrlWXonYAIrhSf6KPnTfmewp7c9LG2M8PBab05QC2tt
      NYy9lKN6bf6e16lTREInQcf6t29OihbgWeOur4EdFg5QuckYDvr/fbbK1D2tVFjR
      9p8jgb7gJfvbqSc9oA6RoLQCr5mpTZeYrJWoCGlT943sXwTemPSL9NcDq/hr0RDY
      uYUGWWR7uKi4RwGt1S5TvpEsE0p1KeiEpytInC4crWUeX5eU5oHqEmwbKFTkzTXM
      yTj6EL4hTK5nHCGPYgY6umnPnTEc/Z7/kB9GPV4dOqu8qCWL+82+4y5PPSw/6H9B
      BY5WYFlE66aYHpRvAseN7HKU1lqcX09rx6vTjVKtBilga3m44pOxPPgI9FN6XYQl
      r43j0QX7FStrSTBkU7QgkXimU7jxJF7PczAhwQW8+Eyk2T2C9o8/w6T27UqMVByB
      xnw1Z7IOVbenP1JUpX+xKvweCFjkcdGHF+bQ3ufWmo3MIwsapKC1859E37ENqWaF
      8ucdxgsmNPJk/dyj/4vqxQ==
      -----END CERTIFICATE-----

  /etc/openvpn/server.key:
    mode: "0600"
    content: "{{ vault_openvpn_key }}"

  /etc/openvpn/ipp.txt:
    mode: "0444"
    content: |
      pan,192.168.8.4
      mimas,192.168.8.8

  /etc/dropbear/authorized_keys:
    content: "{{ ssh_keys_root | join('\n') }}\n"

  /etc/htoprc:
    file: "{{ global_files_dir }}/common/htoprc"

  /etc/rc.d/S21nftables:
    link: "../init.d/nftables"

  /etc/rc.d/K89nftables:
    link: "../init.d/nftables"

  /etc/init.d/nftables:
    mode: "0755"
    content: |
      #!/bin/sh /etc/rc.common

      START=21
      STOP=89

      start() {
        nft -f /etc/nftables.conf
      }

      stop() {
        nft flush ruleset
      }

  /etc/nftables.conf:
    content: |
      flush ruleset

      define nic_magenta = eth1
      define ip_magenta = {{ network_zones.magenta.prefix | ansible.utils.ipaddr(network_zones.magenta.offsets[inventory_hostname]) | ansible.utils.ipaddr('address') }}

      define nic_mgmt = eth2
      define nic_internal = eth0
      define nic_openvpn = extern0
      define nic_remote = remote

      define prefix_mgmt = {{ network_zones.mgmt.prefix }}
      define prefix_openvpn = 192.168.8.0/24
      define prefix_remote = 192.168.51.0/24
      define prefix_svc = {{ network_zones.svc.prefix }}
      define prefixes_internal = { {{ network_zones.svc.prefix }}, {{ network_zones.lan.prefix }} }
      define ip_prometheus_legacy = {{ network_zones.lan.prefix | ansible.utils.ipaddr(network_zones.lan.offsets['ch-prometheus-legacy']) | ansible.utils.ipaddr('address') }}

      table inet global {
        ## INPUT
        chain input_mgmt {
          ip saddr $prefix_mgmt accept
        }

        chain input_internal {
          ip saddr != $prefixes_internal drop
          ip protocol icmp accept
          ip6 nexthdr ipv6-icmp accept
          tcp dport { {{ ansible_port }} } accept
        }

        chain input_magenta {
          ip daddr != $ip_magenta drop
          ip protocol icmp accept
          ip6 nexthdr ipv6-icmp accept
          tcp dport { {{ ansible_port }} } accept
          udp dport { openvpn, 51820 } accept
        }

        chain input_openvpn {
          ip saddr != $prefix_openvpn drop
          ip protocol icmp accept
          tcp dport { {{ ansible_port }} } accept
        }

        chain input_remote {
          ip saddr != $prefix_remote drop
          ip protocol icmp accept
          tcp dport { {{ ansible_port }} } accept
        }

        chain input {
          type filter hook input priority filter; policy drop;
          ct state vmap { established: accept, related: accept, invalid: drop }
          iifname vmap { lo: accept, $nic_mgmt: jump input_mgmt, $nic_internal: jump input_internal, $nic_magenta: jump input_magenta, $nic_openvpn: jump input_openvpn, $nic_remote: jump input_remote }
        }


        ## FORWARD
        chain forward {
          type filter hook forward priority filter; policy drop;
          ct state vmap { established: accept, related: accept, invalid: drop }
          iif $nic_internal ip saddr $prefixes_internal oif $nic_magenta accept
          iif $nic_internal ip saddr $prefixes_internal oifname $nic_openvpn ip daddr $prefix_openvpn accept
          iifname $nic_openvpn ip saddr $prefix_openvpn oif $nic_internal ip daddr $prefixes_internal accept
          iif $nic_internal ip saddr { $prefix_svc, $ip_prometheus_legacy } oifname $nic_remote ip daddr $prefix_remote accept
          iifname $nic_remote ip saddr $prefix_remote oif $nic_internal ip daddr { $prefix_svc, $ip_prometheus_legacy } accept
      {% for name, svc in network_services.items() %}
          iif $nic_magenta oif $nic_internal ip daddr {{ svc.addr }} tcp dport { {{ svc.ports | join(', ') }} } accept comment "Service: {{ name }}"
      {% endfor %}
        }

        chain prerouting {
          type nat hook prerouting priority dstnat; policy accept;
      {% for name, svc in network_services.items() %}
          iif $nic_magenta ip daddr $ip_magenta tcp dport { {{ svc.ports | join(', ') }} } dnat to {{ svc.addr }} comment "Service: {{ name }}"
      {% endfor %}
        }

        chain postrouting {
          type nat hook postrouting priority srcnat; policy accept;
          ip saddr $prefixes_internal oif $nic_magenta snat to $ip_magenta
        }
      }


openwrt_uci:
  system:
    - name: system
      options:
        hostname: '{{ host_name }}'
        timezone: 'CET-1CEST,M3.5.0,M10.5.0/3'
        ttylogin: '0'
        log_size: '64'
        urandom_seed: '0'

    - name: timeserver 'ntp'
      options:
        enabled: '1'
        enable_server: '1'
        interface: 'mgmt'
        server:
          - '0.at.pool.ntp.org'
          - '1.at.pool.ntp.org'
          - '2.at.pool.ntp.org'
          - '3.at.pool.ntp.org'

    - name: rngd
      options:
        enabled: '1'
        device: '/dev/hwrng'

  dropbear:
    - name: dropbear
      options:
        PasswordAuth: 'off'
        RootPasswordAuth: 'off'
        Port: '{{ ansible_port | default(22) }}'

  uhttpd:
    - name: uhttpd main
      options:
        enabled: '0'

  prometheus-node-exporter-lua:
    - name: prometheus-node-exporter-lua 'main'
      options:
        listen_interface: 'mgmt'
        listen_port: '9100'

  openvpn:
    - name: openvpn 'extern'
      options:
        enabled: '1'
        port: '1194'
        proto: 'udp'
        dev_type: 'tun'
        dev: 'extern0'

        server: '192.168.8.0 255.255.255.0'
        client_to_client: '1'
        ifconfig_pool_persist: '/etc/openvpn/ipp.txt'
        push:
          - 'route 192.168.28.0 255.255.255.0'
          - 'route 192.168.32.0 255.255.255.0'

        tls_auth: '/etc/openvpn/ta.key 0'
        ca: '/etc/openvpn/ca.crt'
        cert: '/etc/openvpn/server.crt'
        key: '/etc/openvpn/server.key'
        dh: '/etc/openvpn/dhparams'

        tls_cipher: 'DHE-RSA-AES256-SHA'
        cipher: 'AES-256-CBC'
        auth: 'SHA256'
        comp_lzo: 'yes'

        keepalive: '10 120'
        persist_key: '1'
        persist_tun: '1'
        user: 'nobody'
        verb: '3'

  network:
    - name: globals 'globals'
      options:
        ula_prefix: "fc{{ '%02x:%04x:%04x' | format((255 | random(seed=inventory_hostname + '0')), (65535 | random(seed=inventory_hostname + '1')), (65535 | random(seed=inventory_hostname + '2'))) }}::/48"

    - name: interface 'loopback'
      options:
        device: lo
        proto: static
        ipaddr: 127.0.0.1
        netmask: 255.0.0.0

    - name: interface 'svc'
      options:
        device: eth0
        proto: static
        ipaddr: "{{ network_zones.svc.prefix | ansible.utils.ipaddr(network_zones.svc.offsets[inventory_hostname]) | ansible.utils.ipaddr('address') }}"
        netmask: "{{ network_zones.svc.prefix | ansible.utils.ipaddr('netmask') }}"

    - name: interface 'magenta'
      options:
        device: eth1
        proto: static
        ipaddr: "{{ network_zones.magenta.prefix | ansible.utils.ipaddr(network_zones.magenta.offsets[inventory_hostname]) | ansible.utils.ipaddr('address') }}"
        netmask: "{{ network_zones.magenta.prefix | ansible.utils.ipaddr('netmask') }}"
        gateway: "{{ network_zones.magenta.gateway }}"
        dns: "{{ network_zones.magenta.dns }}"

    - name: interface 'mgmt'
      options:
        device: eth2
        proto: static
        ipaddr: "{{ network_zones.mgmt.prefix | ansible.utils.ipaddr(network_zones.mgmt.offsets[inventory_hostname]) | ansible.utils.ipaddr('address') }}"
        netmask: "{{ network_zones.mgmt.prefix | ansible.utils.ipaddr('netmask') }}"

    - name: route 'lan'
      options:
        interface: svc
        target: "{{ network_zones.lan.prefix | ansible.utils.ipaddr('network') }}"
        netmask: "{{ network_zones.lan.prefix | ansible.utils.ipaddr('netmask') }}"
        gateway: "{{ network_zones.svc.prefix | ansible.utils.ipaddr(network_zones.svc.offsets['ch-gw-lan']) | ansible.utils.ipaddr('address') }}"

    - name: interface 'remote'
      options:
        proto: wireguard
        private_key: "{{ vault_wireguard_remote_private_key }}"
        listen_port: 51820
        addresses:
        - "{{ network_zones.remote.prefix | ansible.utils.ipaddr(network_zones.remote.offsets[inventory_hostname]) }}"
        nohostroute: 1

    - name: wireguard_remote 'pan'
      options:
        public_key: "sd/OqiO0hktuJ3FvIBnM8RJpqG0lkN7wWJjdKbU1TSw="
        # preshared_key: ""
        endpoint_host: "{{ hostvars['ch-pan'].network.primary.address | ansible.utils.ipaddr('address') }}"
        endpoint_port: 51820
        allowed_ips:
        - "{{ network_zones.remote.prefix | ansible.utils.ipaddr(network_zones.remote.offsets['ch-pan']) | ansible.utils.ipaddr('address') }}"
        persistent_keepalive: 60

    - name: wireguard_remote 'mimas'
      options:
        public_key: "ZpvJ3Myn/FSJTqsEkNB5AQaVAuTqfFFCAqLomkeZV3g="
        # preshared_key: ""
        endpoint_host: "{{ hostvars['ch-mimas'].external_ip }}"
        endpoint_port: 51820
        allowed_ips:
        - "{{ network_zones.remote.prefix | ansible.utils.ipaddr(network_zones.remote.offsets['ch-mimas']) | ansible.utils.ipaddr('address') }}"
        persistent_keepalive: 60

    - name: wireguard_remote 'fp4'
      options:
        public_key: "m0CoYVrdTQirEnM86ReGJvsabnJKLM6Rph2hnVQllnU="
        allowed_ips:
        - "{{ network_zones.remote.prefix | ansible.utils.ipaddr(network_zones.remote.offsets['ch-equinox-fp4']) | ansible.utils.ipaddr('address') }}"

  sqm:
    - name: queue 'magenta'
      options:
        enabled: '1'
        interface: 'eth1'
        download: '142000'
        upload: '20000'
        qdisc: 'cake'
        script: 'piece_of_cake.qos'
        qdisc_advanced: '0'
        ingress_ecn: 'ECN'
        egress_ecn: 'ECN'
        qdisc_really_really_advanced: '0'
        itarget: 'auto'
        etarget: 'auto'
        linklayer: 'ethernet'
        overhead: '18 mpu 64 noatm'


prometheus_scrape_endpoint: "{{ network_zones.mgmt.prefix | ansible.utils.ipaddr(network_zones.mgmt.offsets[inventory_hostname]) | ansible.utils.ipaddr('address') }}:9100"
prometheus_exporters_default:
  - openwrt