Add and fix healthcheck scripts for Octavia services

- adds script for docker health check of octavia-api service
 - fix the check method for octavia-health-manager service
 - fix the check method for octavia-housekeeping service

Change-Id: Ie8eaab9919bde61793a3310328ee9f117c4e58da

healthcheck/octavia-api

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+. ${HEALTHCHECK_SCRIPTS:-/usr/share/openstack-tripleo-common/healthcheck}/common.sh
+
+bind_host=$(get_config_val /etc/octavia/octavia.conf api_settings bind_host 127.0.0.1)
+bind_port=$(get_config_val /etc/octavia/octavia.conf api_settings bind_port 9876)
+
+# Add brackets if IPv6
+if [[ $bind_host =~ ":" ]]; then
+  bind_host="[${bind_host}]"
+fi
+
+healthcheck_curl http://${bind_host}:${bind_port}/

healthcheck/octavia-health-manager

@@ -3,12 +3,12 @@
 . ${HEALTHCHECK_SCRIPTS:-/usr/share/openstack-tripleo-common/healthcheck}/common.sh
 
 process='octavia-health-manager'
-args="${@:-5671 5672}"
+args="${@:-5555}"
 
-if healthcheck_port $process $args; then
+if healthcheck_listen $process $args; then
   exit 0
 else
   ports=${args// /,}
-  echo "There is no $process process with opened RabbitMQ ports ($ports) running in the container"
+  echo "There is no $process process listening on ports $ports."
   exit 1
 fi

healthcheck/octavia-housekeeping

@@ -3,12 +3,12 @@
 . ${HEALTHCHECK_SCRIPTS:-/usr/share/openstack-tripleo-common/healthcheck}/common.sh
 
 process='octavia-housekeeping'
-args="${@:-5671 5672}"
+args="${@:-3306}"
 
 if healthcheck_port $process $args; then
   exit 0
 else
   ports=${args// /,}
-  echo "There is no $process process with opened RabbitMQ ports ($ports) running in the container"
+  echo "Did not find $process process running and connected to MySQL via ports ($ports) in the container."
   exit 1
 fi