service: Add support for native sockets for http

roles/service/vars/main/general.yaml

@@ -5,8 +5,9 @@ _service_static_ip: "{{ service_container_ip | length > 0 }}"
 _service_container_requires: >-
   {{
     service_requires
-    + ([_service_database_name + '.service'] if _service_setup_database else [])
-    + ([service_name + '-redis.service'] if service_redis else [])
+    + ([_service_database_name ~ '.service'] if _service_setup_database else [])
+    + ([service_name ~ '-redis.service'] if service_redis else [])
+    + ([service_name ~ '.socket'] if _service_native_socket else [])
   }}
 _service_container_wants: >-
   {{

roles/service/vars/main/mounts.yaml

@@ -1,4 +1,9 @@
 ---
+_service_container_socket_mount:
+  type: bind
+  source: /run/{{ service_name }}
+  destination: /run/{{ service_name }}
+
 _service_volume_mounts: "{{ service_container_mounts | selectattr('type', '==', 'volume') }}"
 _service_template_mounts: "{{ service_container_mounts | selectattr('type', '==', 'template') }}"
 _service_copy_mounts: "{{ service_container_mounts | selectattr('type', '==', 'copy') }}"
@@ -15,7 +20,11 @@ _service_container_volume_mounts: >-
     ) |
     map('combine')
   }}
-_service_container_bind_mounts: "{{ service_container_mounts | selectattr('type', '==', 'bind') }}"
+_service_container_bind_mounts: >-
+  {{
+    service_container_mounts | selectattr('type', '==', 'bind') +
+    ([ _service_container_socket_mount ] if _service_native_socket else [])
+  }}
 _service_container_template_mounts: >-
   {{
     ([{'readonly': true}] * _service_template_mounts | length) |

roles/service/vars/main/proxy.yaml

@@ -1,4 +1,9 @@
 ---
+_service_native_socket: "{{ service_domains | length > 0 and service_container_http_port == 0 }}"
+
+_service_socket_path: >-
+  /run/{{ service_name ~ ('-socat' if not _service_native_socket else '' ) }}.sock
+
 _service_replacement_host_header:
   Host: "{{ service_name }}:{{ service_container_http_port }}"
 _service_proxy_headers: "{{ _service_replacement_host_header if not service_proxy_pass_host_header else {} }}"