Build a custom OpenShift Origin HAProxy router image.

os3-custom-router-image

mkdir -p /tmp/custom-router && cd /tmp/custom-router

#  For OSE, replace openshift/origin-haproxy-router  with the appropriate OSE image:
#  Example: registry.access.redhat.com/openshift3/ose-haproxy-router:v3.0.2.0
docker run --rm --interactive=true --tty --entrypoint=cat  openshift/origin-haproxy-router haproxy-config.template > haproxy-config.template

#  Customization to bind to only the IP on the external if (/etc/hosts has an entry for extif).
sed -i  's/bind :\([80,443]\)/bind extif:\1/g' haproxy-config.template

echo '
FROM openshift/origin-haproxy-router
ADD haproxy-config.template /var/lib/haproxy/conf/

ENV TEMPLATE_FILE=/var/lib/haproxy/conf/haproxy-config.template \
         RELOAD_SCRIPT=/var/lib/haproxy/reload-haproxy

ENTRYPOINT ["/usr/bin/openshift-router"]
'  > Dockerfile

docker build -t os3/custom-haproxy-router ./