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OpenBSD Wireguard implementation #3750

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OpenBSD Wireguard implementation #3750

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6 changes: 6 additions & 0 deletions netsim/ansible/templates/initial/openbsd-ifconfig.j2
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Original file line number Diff line number Diff line change
Expand Up @@ -28,4 +28,10 @@ ifconfig {{ intf.ifname }} down
{% else %}
ifconfig {{ intf.ifname }} up
{% endif %}
{% if 'ipv6' in intf and intf.tunnel.mode|default('') in ['wireguard'] %}
# OpenBSD Wireguard does not automatically create IPv6 LLA make it ourselves
{% set _last = range(1, 65536) | random %}
{% set _lla = 'fe80::%x/64' | format(_last) %}
ifconfig {{ intf.ifname }} inet6 {{ _lla }}
{% endif %}
{% endmacro %}
5 changes: 4 additions & 1 deletion netsim/devices/openbsd.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,9 @@ support:
level: best-effort
interface_name: vio{ifindex}
loopback_interface_name: lo{ifindex}
tunnel_interface_name: gre{ifindex}
tunnel_interface_name:
gre: gre{ifindex}
wireguard: wg{ifindex}
ifindex_offset: 1
mgmt_if: vio0
role: router
Expand Down Expand Up @@ -59,6 +61,7 @@ features:
vtep6: True
tunnel:
gre: [ ipv4 ]
wireguard: [ ipv4, ipv6 ]
libvirt:
create_template: openbsd.xml.j2
image: netlab/openbsd
Expand Down
3 changes: 3 additions & 0 deletions netsim/extra/tunnel/wireguard/openbsd.initial.j2
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@@ -0,0 +1,3 @@
{% for l in interfaces if l.type == 'tunnel' and l.tunnel.mode == 'wireguard' %}
ifconfig {{ l.ifname }} create
{% endfor %}
10 changes: 10 additions & 0 deletions netsim/extra/tunnel/wireguard/openbsd.j2
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Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
#!/bin/sh
# wg endpoint
{% for intf in netlab_interfaces if intf.tunnel.mode|default('') in ['wireguard'] %}
{% set dst = intf.tunnel._destination %}
{% set peer_ip = ('[' ~ dst.ipv6 ~ ']') if intf.tunnel.af == 'ipv6' else dst.ipv4 %}
{% set peer_endpoint = peer_ip ~ ':' ~ dst.listen_port %}
ifconfig {{ intf.ifname }} wgkey {{ intf.tunnel.private_key }} wgport {{ intf.tunnel.listen_port }} up
ifconfig {{ intf.ifname }} wgpeer {{ dst.public_key }} wgendpoint {{ peer_ip }} {{ dst.listen_port }} wgpka {{ intf.tunnel.persistent_keepalive }}
ifconfig {{ intf.ifname }} wgpeer {{ dst.public_key }} wgaip {{ intf.tunnel.allowed_ips.split(',') | join(' wgaip ') }}
{% endfor %}