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|
---
network_mgmt_zone: "{{ network_zones.mgmt }}"
network_internal_zone_names:
- emc
openwrt_network_external:
- name: interface 'citycom'
options:
device: 'eth5'
proto: static
ipaddr: "{{ network_zones.cc_hmtsaal.prefix | ipaddr(network_zones.cc_hmtsaal.offsets[inventory_hostname]) | ipaddr('address') }}"
netmask: "{{ network_zones.cc_hmtsaal.prefix | ipaddr('netmask') }}"
gateway: "{{ network_zones.cc_hmtsaal.gateway }}"
dns: "{{ network_zones.cc_hmtsaal.dns }}"
accept_ra: 0
openwrt_network_internal: "{{ openwrt_network_internal_yaml | from_yaml }}"
openwrt_network_internal_yaml: |
{% for zone_name in network_internal_zone_names %}
- name: "interface '{{ zone_name }}'"
options:
device: "eth0.{{ network_zones[zone_name].vlan }}"
proto: static
ipaddr: "{{ network_zones[zone_name].gateway }}"
netmask: "{{ network_zones[zone_name].prefix | ipaddr('netmask') }}"
accept_ra: 0
{% endfor %}
openwrt_network_base:
- 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 'mgmt'
options:
device: "eth0.{{ network_mgmt_zone.vlan }}"
proto: static
ipaddr: "{{ network_mgmt_zone.prefix | ipaddr(network_mgmt_zone.offsets[inventory_hostname]) | ipaddr('address') }}"
netmask: "{{ network_mgmt_zone.prefix | ipaddr('netmask') }}"
accept_ra: 0
openwrt_dhcp_external:
- name: dhcp 'citycom'
options:
interface: 'citycom'
ignore: '1'
openwrt_dhcp_internal: "{{ openwrt_dhcp_internal_yaml | from_yaml }}"
openwrt_dhcp_internal_yaml: |
{% for zone_name in network_internal_zone_names %}
- name: "dhcp '{{ zone_name }}'"
options:
interface: "{{ zone_name }}"
{% if 'dhcp' in network_zones[zone_name] %}
start: {{ network_zones[zone_name].dhcp.start }}
limit: {{ network_zones[zone_name].dhcp.limit }}
leasetime: {{ network_zones[zone_name].dhcp.leasetime | default('12h') }}
dhcpv6: 'disabled'
ra: 'disabled'
{% else %}
ignore: '1'
{% endif %}
{% endfor %}
openwrt_dhcp_base:
- name: dnsmasq
options:
domainneeded: '1'
boguspriv: '0'
filterwin2k: '0'
localise_queries: '1'
rebind_protection: '0'
rebind_localhost: '1'
local: '/lan/'
domain: 'lan'
expandhosts: '1'
nonegcache: '0'
authoritative: '1'
readethers: '1'
leasefile: '/tmp/dhcp.leases'
resolvfile: '/tmp/resolv.conf.auto'
localservice: '1'
server: "{{ network_zones.cc_hmtsaal.dns }}"
- name: odhcpd 'odhcpd'
options:
maindhcp: '0'
leasefile: '/tmp/hosts/odhcpd'
leasetrigger: '/usr/sbin/odhcpd-update'
- name: dhcp 'mgmt'
options:
interface: 'mgmt'
ignore: '1'
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
- kmod-ppp
- kmod-pppoe
- kmod-pppox
- firewall
- odhcpd-ipv6only
openwrt_packages_add:
- nftables
- kmod-nft-nat
- haveged
- htop
- ip
- less
- nano
- tcpdump-mini
- iperf
- iperf3
- mtr
- 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/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_citycom = eth5
define ip_citycom = {{ network_zones.cc_hmtsaal.prefix | ipaddr(network_zones.cc_hmtsaal.offsets[inventory_hostname]) | ipaddr('address') }}
define nic_mgmt = "eth0.{{ network_mgmt_zone.vlan }}"
define prefix_mgmt = {{ network_mgmt_zone.prefix }}
{% for zone_name in network_internal_zone_names %}
define nic_{{ zone_name }} = eth0.{{ network_zones[zone_name].vlan }}
define prefix_{{ zone_name }} = {{ network_zones[zone_name].prefix }}
{% endfor %}
table inet global {
## INPUT
chain input_external {
ip protocol icmp accept
ip6 nexthdr ipv6-icmp accept
tcp dport { {{ ansible_port }} } accept
}
chain input_internal {
ip protocol icmp accept
ip6 nexthdr ipv6-icmp accept
tcp dport { {{ ansible_port }}, domain } accept
udp dport { bootps, domain, 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_mgmt: accept{% for zone_name in network_internal_zone_names %}, $nic_{{ zone_name }}: jump input_internal {% endfor %}, $nic_citycom: jump input_external }
}
## FORWARD
chain forward {
type filter hook forward priority filter; policy drop;
ct state vmap { established: accept, related: accept, invalid: drop }
iifname { {{ ['$nic_'] | product(network_internal_zone_names) | map('join') | join(', ') }} } oifname $nic_citycom accept
}
chain postrouting {
type nat hook postrouting priority srcnat; policy accept;
ip saddr { {{ ['$prefix_'] | product(network_internal_zone_names) | map('join') | join(', ') }} } oifname $nic_citycom snat to $ip_citycom
}
}
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'
server:
- '0.at.pool.ntp.org'
- '1.at.pool.ntp.org'
- '2.at.pool.ntp.org'
- '3.at.pool.ntp.org'
dropbear:
- name: dropbear
options:
PasswordAuth: 'off'
RootPasswordAuth: 'off'
Port: '{{ ansible_port }}'
prometheus-node-exporter-lua:
- name: prometheus-node-exporter-lua 'main'
options:
listen_interface: 'mgmt'
listen_ipv6: '0'
listen_port: '9100'
dhcp: "{{ openwrt_dhcp_base + openwrt_dhcp_internal + openwrt_dhcp_external }}"
network: "{{ openwrt_network_base + openwrt_network_internal + openwrt_network_external }}"
prometheus_scrape_endpoint: "{{ network_mgmt_zone.prefix | ipaddr(network_mgmt_zone.offsets[inventory_hostname]) | ipaddr('address') }}:9100"
prometheus_exporters_default:
- openwrt
|
