Refactor container and configuration
diff --git a/containers/openvpn/Dockerfile b/containers/openvpn/Dockerfile
new file mode 100644
index 0000000..8ae8484
--- /dev/null
+++ b/containers/openvpn/Dockerfile
@@ -0,0 +1,12 @@
+FROM       xosproject/xos-synchronizer-openstack
+
+RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install -y \
+    openvpn
+
+# for OpenVPN
+RUN mkdir -p /opt/openvpn
+RUN chmod 777 /opt/openvpn
+RUN git clone https://github.com/OpenVPN/easy-rsa.git /opt/openvpn
+RUN git -C /opt/openvpn pull origin master
+RUN echo 'set_var EASYRSA	"/opt/openvpn/easyrsa3"' | tee /opt/openvpn/vars
+RUN echo 'set_var EASYRSA_BATCH	"true"' | tee -a /opt/openvpn/vars
diff --git a/containers/openvpn/Makefile b/containers/openvpn/Makefile
new file mode 100644
index 0000000..bdfb126
--- /dev/null
+++ b/containers/openvpn/Makefile
@@ -0,0 +1,18 @@
+IMAGE_NAME:=xosproject/xos-openvpn
+CONTAINER_NAME:=xos-synchronizer
+NO_DOCKER_CACHE?=true
+
+.PHONY: build
+build: ; sudo docker build --no-cache=${NO_DOCKER_CACHE} --rm -t ${IMAGE_NAME} .
+
+.PHONY: run
+run: ; sudo docker run -d --name ${CONTAINER_NAME} -v /usr/local/share/ca-certificates:/usr/local/share/ca-certificates:ro ${IMAGE_NAME}
+
+.PHONY: stop
+stop: ; sudo docker stop ${CONTAINER_NAME}
+
+.PHONY: rm
+rm: ; sudo docker rm ${CONTAINER_NAME}
+
+.PHONY: rmi
+rmi: ; docker rmi ${IMAGE_NAME}
diff --git a/containers/openvpn/conf/ansible-hosts b/containers/openvpn/conf/ansible-hosts
new file mode 100644
index 0000000..0dd74f1
--- /dev/null
+++ b/containers/openvpn/conf/ansible-hosts
@@ -0,0 +1,2 @@
+[localhost]
+127.0.0.1
diff --git a/containers/openvpn/conf/synchronizer.conf b/containers/openvpn/conf/synchronizer.conf
new file mode 100644
index 0000000..2131a25
--- /dev/null
+++ b/containers/openvpn/conf/synchronizer.conf
@@ -0,0 +1,9 @@
+[supervisord]
+logfile=/var/log/supervisord.log ; (main log file;default $CWD/supervisord.log)
+pidfile=/var/run/supervisord.pid ; (supervisord pidfile;default supervisord.pid)
+nodaemon=true
+
+[program:synchronizer]
+command=python /opt/xos/synchronizers/openstack/xos-synchronizer.py
+stderr_logfile=/var/log/supervisor/synchronizer.err.log
+stdout_logfile=/var/log/supervisor/synchronizer.out.log