Add healthcheck for ODL container

This patch adds healtcheck logic for ODL container.

Change-Id: I75af8119f495e2eb1b617b9773dde7abb6ea1727
Closes-Bug: #1713632

container-images/tripleo_kolla_template_overrides.j2

@@ -326,6 +326,13 @@ RUN mkdir -p /openstack && \
 HEALTHCHECK CMD /openstack/healthcheck
 {% endblock %}
 
+{% block opendaylight_footer %}
+RUN mkdir -p /openstack && \
+    ln -s /usr/share/openstack-tripleo-common/healthcheck/opendaylight-api /openstack/healthcheck && \
+    chmod -R a+rx /openstack
+HEALTHCHECK CMD /openstack/healthcheck
+{% endblock %}
+
 {% block rabbitmq_footer %}
 RUN yum install -y pacemaker pacemaker-remote pcs libqb resource-agents && mkdir /etc/libqb
 

healthcheck/opendaylight-api

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+. ${HEALTHCHECK_SCRIPTS:-/usr/share/openstack-tripleo-common/healthcheck}/common.sh
+
+username=$(get_config_val /opt/opendaylight/etc/org.jolokia.osgi.cfg DEFAULT org.jolokia.user admin)
+password=$(get_config_val /opt/opendaylight/etc/org.jolokia.osgi.cfg DEFAULT org.jolokia.password admin)
+bind_host=$(grep -r '<Set name="host">' "/opt/opendaylight/etc/jetty.xml" | awk -F'>' FNR==1'{print $2}')
+bind_port=$(grep -r '<Property name="jetty.port" default=' "/opt/opendaylight/etc/jetty.xml" | awk FNR==2'{print $3}' | cut -d'"' -f2)
+odl_check_url=restconf/operational/network-topology:network-topology/topology/netvirt:1
+
+healthcheck_curl -u $username:$password http://$bind_host:$bind_port/$odl_check_url