Move haproxy socket to volume

Partial-Bug: #1544545
Change-Id: I292bcaeacb080ff4c5ab6b42b7d899039d6b19c4

ansible/roles/haproxy/tasks/start.yml

 ---
-- name: Starting keepalived container
+- name: Starting haproxy container
   kolla_docker:
     action: "start_container"
     common_options: "{{ docker_common_options }}"
-    image: "{{ keepalived_image_full }}"
-    name: "keepalived"
+    image: "{{ haproxy_image_full }}"
+    name: "haproxy"
     privileged: True
     volumes:
-      - "{{ node_config_directory }}/keepalived/:{{ container_config_directory }}/:ro"
-      - "/run:/run"
-      - "/lib/modules:/lib/modules:ro"
+      - "{{ node_config_directory }}/haproxy/:{{ container_config_directory }}/:ro"
+      - "haproxy_socket:/var/lib/kolla/haproxy/"
 
-- name: Starting haproxy container
+- name: Starting keepalived container
   kolla_docker:
     action: "start_container"
     common_options: "{{ docker_common_options }}"
-    image: "{{ haproxy_image_full }}"
-    name: "haproxy"
+    image: "{{ keepalived_image_full }}"
+    name: "keepalived"
     privileged: True
     volumes:
-      - "{{ node_config_directory }}/haproxy/:{{ container_config_directory }}/:ro"
-      - "/run:/run"
+      - "{{ node_config_directory }}/keepalived/:{{ container_config_directory }}/:ro"
+      - "/lib/modules:/lib/modules:ro"
+      - "haproxy_socket:/var/lib/kolla/haproxy/"
 
 - name: Ensuring latest haproxy config is used
   command: docker exec haproxy /usr/local/bin/kolla_ensure_haproxy_latest_config

ansible/roles/haproxy/templates/haproxy.cfg.j2

 global
   daemon
   maxconn 4000
-  stats socket /run/haproxy.sock
+  stats socket /var/lib/kolla/haproxy/haproxy.sock
 
 defaults
   mode http

docker/keepalived/check_alive.sh

@@ -3,4 +3,4 @@
 # This will return 0 when it successfully talks to the haproxy daemon via the socket
 # Failures return 1
 
-echo "show info" | socat unix-connect:/run/haproxy.sock stdio
+echo "show info" | socat unix-connect:/var/lib/kolla/haproxy/haproxy.sock stdio