Builds and loads kernel modules for Docker on Solus

build-solus-docker-modules.sh

#!/bin/bash

if [ $(whoami) != 'root' ]; then
	echo "Must be root to run $0"
	exit 1;
fi

echo "Assuming we're in root dir of Solus kernel source..."

git pull

KERNEL=`uname -r`
MOD_PATH="/lib/modules/$KERNEL/kernel"

# Reconfigure kernel and build modules
grep -q "^CONFIG_NETFILTER_XT_MATCH_IPVS=m$" ./files/config || echo "CONFIG_NETFILTER_XT_MATCH_IPVS=m" >> ./files/config

grep -q "^CONFIG_VXLAN=m$" ./files/config || echo "CONFIG_VXLAN=m" >> ./files/config

make

# Extract eopkg for needed modules
rm linux-current-headers-*.eopkg
unzip linux-current-*.eopkg -d tmp
rm *.eopkg
cd tmp
tar xf install.xz
rm install.xz

# Install modules
cp .$MOD_PATH/drivers/net/vxlan.ko $MOD_PATH/drivers/net/
cp .$MOD_PATH/net/netfilter/xt_ipvs.ko $MOD_PATH/net/netfilter/

depmod -a

# Load required modules
modprobe ip_vs
modprobe ip_vs_rr
modprobe iptable_nat
modprobe vxlan
modprobe xt_ipvs

# And persist on reboot
cat << 'EOF' > /etc/modules-load.d/docker-swarm.conf
ip_vs
ip_vs_rr
iptable_nat
vxlan
xt_ipvs
EOF