ISP for my home…

machines/hispgw/attach.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+set -eu
+. ./lib.shs
+. machines/$mach/opts.shs
+
+nsenter --wdns=$nethorror_root $namespaces "$@"

machines/hispgw/opts.shs

@@ -0,0 +1,3 @@
+#!/bin/false
+
+namespaces="--net=./state/$mach/netns --mount=./state/$mach/mntns"

machines/hispgw/run-shim.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+set -eu
+. ./lib.shs
+
+ensure_started
+attach machines/$mach/setup.sh

machines/hispgw/setup.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+set -eu
+
+# typically: bring up the networks
+ip link set dev lo up
+
+# uplink
+# glue networks for both AFs
+ip addr add 100.64.224.2/30 dev up_ve
+ip addr add 2a01:4f8:c0c:36b8:ffe0::2/126 dev up_ve
+# (cg)nat: TODO as we are (1) lazy and (2) wishing for public IPv4 address anyway
+#nft add table ip nat
+#nft add chain ip nat postrouting type nat hook postrouting priority srcnat
+#nft add rule oifname \"up_ve\" ip saddr TODO masquerade
+ip link set dev up_ve up
+ip route add default via 100.64.224.1 dev up_ve
+ip route add default via 2a01:4f8:c0c:36b8:ffe0::1 dev up_ve
+
+# network to my home
+# TODO: make this PPP(oE) in the future?
+# It's silly to think that I would be the first customer, but the IP addresses do not care :-P
+ip addr add 100.64.225.1/30 dev home_ve
+ip addr add 2a01:4f8:c0c:36b8:ffe1::1/126 dev home_ve
+ip link set dev home_ve up
+# low-key delegated prefix :-P
+ip route add 2a01:4f8:c0c:36b8:ffe1::/80 via 2a01:4f8:c0c:36b8:ffe1::2 dev home_ve
+# TODO: DHCPv6 or IPv6CP

machines/hispgw/start.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -eu
+. ./lib.shs
+. machines/$mach/opts.shs
+
+setup_statedir
+
+unshare $namespaces /bin/true # just create the namespaces
+
+veth_to_bridge up_ve homeisp_up
+veth_to_bridge home_ve home_up

machines/iana/setup.sh

@@ -16,3 +16,9 @@ ip addr add fe80:ff01::1/64 dev vps_ve scope link
 ip link set dev vps_ve up
 ip route add 2a01:4f8:c0c:36b8:ff01::/80 via fe80:ff01::2 dev vps_ve
 
+# Home ISP
+ip addr add 100.64.224.1/30 dev homeisp_ve
+ip addr add 2a01:4f8:c0c:36b8:ffe0::1/126 dev homeisp_ve
+ip link set dev homeisp_ve up
+ip route add 100.64.224.0/20 via 100.64.224.2 dev homeisp_ve
+ip route add 2a01:4f8:c0c:36b8:ffe0::/76 via 2a01:4f8:c0c:36b8:ffe0::2 dev homeisp_ve

machines/iana/start.sh

@@ -8,3 +8,5 @@ setup_statedir
 unshare $namespaces /bin/true # just create the namespaces
 
 veth_to_bridge vps_ve vpsuplink
+
+veth_to_bridge homeisp_ve homeisp_up

networks/home_up/up.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+set -eu
+
+. ./lib.shs
+make_bridge

networks/homeisp_up/up.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+set -eu
+
+. ./lib.shs
+make_bridge