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|
---
install:
vm:
memory: 128M
numcpus: 1
autostart: true
disks:
primary: /dev/sda
scsi:
sda:
type: image
path: "/srv/nvme/{{ inventory_hostname }}/root.img"
interfaces:
- bridge: br-c3voc
- bridge: br-svc
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
- rng-tools
- htop
- ip
- less
- nano
- tcpdump-mini
- iperf
- iperf3
- mtr
- iptraf-ng
- prometheus-node-exporter-lua
- prometheus-node-exporter-lua-netstat
- prometheus-node-exporter-lua-openwrt
openwrt_mixin:
/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_svc = eth1
define prefixes_internal = { 192.168.0.0/16 }
define nic_c3voc = eth0
define prefix_c3voc = {{ network_zones.c3voc.prefix }}
table inet global {
## INPUT
chain input_svc {
ip protocol icmp accept
ip6 nexthdr ipv6-icmp accept
tcp dport { {{ ansible_port }} } accept
ip saddr {{ network_zones.svc.prefix | ansible.utils.ipaddr(network_zones.svc.offsets[prometheus_server]) | ansible.utils.ipaddr('address') }} tcp dport 9100 accept
}
chain input_c3voc {
ip saddr != $prefix_c3voc drop
ip protocol icmp accept
ip6 nexthdr ipv6-icmp accept
udp dport { ntp } 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_svc: jump input_svc, $nic_c3voc: jump input_c3voc }
}
## FORWARD
chain forward {
type filter hook forward priority filter; policy drop;
ct state vmap { established: accept, related: accept, invalid: drop }
iif $nic_svc oif $nic_c3voc ip daddr $prefix_c3voc accept
iif $nic_c3voc ip saddr $prefix_c3voc oifname $nic_svc ip daddr != $prefixes_internal accept
}
}
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: 'c3voc'
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: 'svc'
listen_port: '9100'
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 'c3voc'
options:
device: eth0
proto: static
ipaddr: "{{ network_zones.c3voc.prefix | ansible.utils.ipaddr(network_zones.c3voc.offsets[inventory_hostname]) | ansible.utils.ipaddr('address') }}"
netmask: "{{ network_zones.c3voc.prefix | ansible.utils.ipaddr('netmask') }}"
- name: interface 'svc'
options:
device: eth1
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') }}"
gateway: "{{ network_zones.svc.gateway }}"
dns: "{{ network_zones.svc.dns }}"
- 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') }}"
prometheus_scrape_endpoint: "{{ network_zones.svc.prefix | ansible.utils.ipaddr(network_zones.svc.offsets[inventory_hostname]) | ansible.utils.ipaddr('address') }}:9100"
prometheus_exporters_default:
- openwrt
|
