Use active_passive parameter for existing services

MariaDB is left unchanged because its custom_member_list uses a
different group (mariadb_default_database_shard_hosts).

Change-Id: Icefd5a3d02ae4dfeb27401696c35ca2c38e203d3

ansible/roles/memcached/defaults/main.yml

@@ -19,12 +19,7 @@ memcached_services:
         backend_tcp_extra:
           - "option srvtcpka"
           - "timeout server 3600s"
-        custom_member_list: "{{ haproxy_members.split(';') }}"
-
-####################
-# HAProxy
-####################
-haproxy_members: "{% for host in groups['memcached'] %}server {{ hostvars[host].ansible_facts.hostname }} {{ 'api' | kolla_address(host) }}:{{ memcached_port }} check inter 2000 rise 2 fall 5{% if not loop.first %} backup{% endif %};{% endfor %}"
+        active_passive: true
 
 ####################
 # Docker

ansible/roles/prometheus/defaults/main.yml

@@ -13,7 +13,7 @@ prometheus_services:
         mode: "http"
         external: false
         port: "{{ prometheus_port }}"
-        custom_member_list: "{{ prometheus_haproxy_members.split(';') }}"
+        active_passive: "{{ prometheus_active_passive | bool }}"
   prometheus-node-exporter:
     container_name: prometheus_node_exporter
     group: prometheus-node-exporter
@@ -132,7 +132,6 @@ prometheus_mysql_exporter_database_user: "{% if use_preconfigured_databases | bo
 # HAProxy
 ####################
 prometheus_active_passive: true
-prometheus_haproxy_members: "{% for host in groups['prometheus'] %}server {{ hostvars[host].ansible_facts.hostname }} {{ 'api' | kolla_address(host) }}:{{ prometheus_port }} check inter 2000 rise 2 fall 5{% if not loop.first %}{% if prometheus_active_passive | bool %} backup{% endif %}{% endif %};{% endfor %}"
 
 ####################
 # Blackbox