service: Better organize vars

roles/service/vars/main/general.yaml

@@ -0,0 +1,24 @@
+---
+_service_setup_database: "{{ service_database_type != 'none' }}"
+_service_database_name: "{{ service_name }}-{{ service_database_type }}"
+
+_service_container_networks: "{{ [service_name] + service_container_additional_networks }}"
+
+_service_container_requires: >-
+  {{
+    service_requires
+    + ([_service_database_name + '.service'] if _service_setup_database else [])
+    + ([service_name + '-redis.service'] if service_redis else [])
+  }}
+_service_container_wants: >-
+  {{
+    service_wants
+    + ([service_name + '-socat.socket'] if service_domains | length > 0 else [])
+    + _service_additional_containers
+        | map(attribute='name')
+        | map('regex_replace', '$', '.service')
+  }}
+
+_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 {} }}"