Upstart job to automatically bring up OVS bridges at boot time

quantum-ovs-bridges.conf

description "Quantum Open vSwitch bridge ifup"
author "David Wittman <david.wittman@rackspace.com>"

start on started quantum-plugin-openvswitch-agent

console log

# Use post-start script instead of script so it only runs once
post-start script
    SLEEP=10
    echo "Started on $(date)"
    echo "Sleeping for ${SLEEP} seconds while OVS starts"
    sleep $SLEEP

    NETWORK_CONFIG_FILE="/etc/network/interfaces"

    for BRIDGE in $(ovs-vsctl list-br); do
        if grep -w "$BRIDGE" $NETWORK_CONFIG_FILE > /dev/null; then
            echo "Bringing up OVS bridge ${BRIDGE}"
            ifup $BRIDGE
        fi
    done
end script