Point metricbeat haproxy collector to existing stats endpoint

Change-Id: I36e86746a851d48501bce7f91910761a08d20196

elk_metrics_6x/templates/metricbeat.yml.j2

@@ -213,7 +213,7 @@ metricbeat.modules:
 - module: haproxy
   metricsets: ["info", "stat"]
   period: 30s
-  hosts: ["tcp://127.0.0.1:14567"]
+  hosts: [ {{ elastic_metricbeat_haproxy_monitoring_hosts }} ]
 #
 {% endif %}
 ##-------------------------------- HTTP Module --------------------------------

elk_metrics_6x/vars/variables.yml

@@ -3,6 +3,9 @@ elk_repo:
   repo: 'deb https://artifacts.elastic.co/packages/6.x/apt stable main'
   state: "{{ elk_package_state | default('present') }}"
 
+#metricbeats monitoring endpoints
+elastic_metricbeat_haproxy_monitoring_hosts: '"unix:///var/run/haproxy.stat"'
+
 # elastic search vars
 elastic_port: 9200
 elastic_hap_port: 9201