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wg-installer: add babeld hotplug.d script

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Add a hotplug.d-extension that automatically configures babeld for
meshing via wireguard interfaces.

It checks for "add" and "remove" of a wireguard interface with name
"wg_*". Depending on the action, it removes it from the babeld config
or adds the interface and reloads babeld.

Signed-off-by: Nick Hainke <vincent@systemli.org>
This commit is contained in:
Nick Hainke 2021-02-07 20:47:59 +01:00 committed by Polynomdivision
parent 6b9fdf2e77
commit 3ebc568f18
3 changed files with 47 additions and 0 deletions
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12
net/wg-installer/Makefile
View file

@ -21,6 +21,7 @@ endef
define Package/wg-installer-server
$(call Package/wg-installer/Default)
TITLE+= (server)
MENU:=1
DEPENDS:=+rpcd +uhttpd +uhttpd-mod-ubus +owipcalc
endef
@ -47,6 +48,16 @@ define Package/wg-installer-server/postinst
fi
endef
define Package/wg-installer-server-hotplug-babeld
$(call Package/wg-installer-server)
DEPENDS:=wg-installer-server
endef
define Package/wg-installer-server-hotplug-babeld/install
$(INSTALL_DIR) $(1)/etc/hotplug.d/net/
$(INSTALL_BIN) ./wg-server/hotplug.d/99-mesh-babeld $(1)/etc/hotplug.d/net/99-mesh-babeld
endef
define Package/wg-installer-client
$(call Package/wg-installer/Default)
TITLE+= (client)
@ -66,4 +77,5 @@ define Package/wg-installer-client/install
endef
$(eval $(call BuildPackage,wg-installer-server))
$(eval $(call BuildPackage,wg-installer-server-hotplug-babeld))
$(eval $(call BuildPackage,wg-installer-client))

4
net/wg-installer/README.md
View file

@ -24,3 +24,7 @@ Get Usage Statistics
Register Tunnel Interface
wg-client-installer register --ip 127.0.0.1 --user wginstaller --password wginstaller --bandwidth 10
## Hotplugs
- wg-installer-server-hotplug-babeld: mesh automatically via wireguard with babeld

31
net/wg-installer/wg-server/hotplug.d/99-mesh-babeld Normal file
View file

@ -0,0 +1,31 @@
#!/bin/sh
# check if wireguard
if [ "${DEVTYPE}" != "wireguard" ]; then
exit 0
fi
# check if correct naming
slicedint=$(echo $INTERFACE | cut -c1-3)
if [ "${slicedint}" != "wg_" ]; then
exit 0
fi
if [ "${ACTION}" == "add" ]; then
uci add babeld interface
uci set babeld.@interface[-1].ifname="${INTERFACE}"
uci commit
/etc/init.d/babeld reload
fi
if [ "${ACTION}" == "remove" ]; then
i=0
while uci get babeld.@interface[$i] &> /dev/null ; do
if [ "$(uci get babeld.@interface[$i].ifname)" == "${INTERFACE}" ]; then
uci delete babeld.@interface[$i]
fi
i=$((i+1));
done
uci commit
/etc/init.d/babeld reload
fi