alpine-vm-install-openvswitch.sh

#!/usr/bin/env sh

SWITCH_NAME="switch0"

apk update
apk add openvswitch openvswitch-bash-completion bash bash-completion openvswitch-doc openvswitch-openrc vim tcpdump ruby ruby-rdoc git
sed -i -e "s@mouse\=a@mouse=r@g" /usr/share/vim/vim*/defaults.vim
grep "mouse=a" /usr/share/vim/vim*/defaults.vim

grep "auto ${SWITCH_NAME}" /etc/network/interfaces >/dev/null
RES="$?"

if [ "${RES}" -gt "0" ]
then
START_INT_NUM="1"
END_INT_NUM="23"
for i in $(seq ${START_INT_NUM} ${END_INT_NUM})
do 
	echo eth$i
	cat <<EOF >> /etc/network/interfaces
auto eth${i}
iface eth${i} inet manual
EOF
done

cat <<EOF >> /etc/network/interfaces
auto ${SWITCH_NAME}
iface ${SWITCH_NAME} inet manual
EOF

fi

rc-update add ovs-modules
rc-update add ovsdb-server
rc-update add ovs-vswitchd
rc-service ovs-modules start
rc-service ovsdb-server start
rc-service ovs-vswitchd start

###
ovs-vsctl add-br ${SWITCH_NAME}
ovs-vsctl set bridge ${SWITCH_NAME} stp_enable=true

###
for i in $(seq ${START_INT_NUM} ${END_INT_NUM})
do 
	ovs-vsctl add-port ${SWITCH_NAME} eth${i}
done

###
for i in $(seq ${START_INT_NUM} ${END_INT_NUM})
do 
	ifup eth$i
done

ifup ${SWITCH_NAME}

###
ovs-vsctl list-br

ovs-vsctl list-ports ${SWITCH_NAME}

ovs-vsctl show