<%- | String $image_name = '', String $bind_socket = '' | -%>
#!/bin/bash

export DOCKER_HOST="<%=$bind_socket%>"
ARGS="$@"

# Extract the network namespace UUID from the command line args provided by
# neutron. Typically of the form (with dnsmasq as an example):
#
# dnsmasq --no-hosts --no-resolv --except-interface=lo \
#   --pid-file=/var/lib/neutron/dhcp/317716b8-919a-4a6f-8db1-78128ec3b100/pid  \
#   --dhcp-hostsfile=/var/lib/neutron/dhcp/317716b8-919a-4a6f-8db1-78128ec3b100/host ...
NETNS=$(ip netns identify)
NAME=neutron-haproxy-${NETNS}

docker stop $NAME || true
docker rm -f $NAME || true

docker run --detach \
     -v /var/lib/config-data/puppet-generated/neutron/etc/neutron:/etc/neutron:ro \
     -v /run/netns:/run/netns:shared \
     -v /var/lib/neutron:/var/lib/neutron \
     --net host \
     --pid host \
     --privileged \
     --rm=true \
     -u root \
     --name $NAME \
     <%=$image_name%> \
     ip netns exec ${NETNS} /usr/sbin/haproxy -Ds $ARGS