service: Add support for mounting entire copied directory

roles/service/vars/main/mounts.yaml

@@ -1,6 +1,7 @@
 ---
 _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') }}"
 _service_host_directory: "/srv/{{ service_name }}"
 
 _service_container_volume_mounts: >-
@@ -30,12 +31,28 @@ _service_container_template_mounts: >-
     ) |
     map('combine')
   }}
+_service_container_copy_mounts: >-
+  {{
+    ([{'readonly': true}] * _service_copy_mounts | length) |
+    zip(
+      _service_copy_mounts |
+        community.general.remove_keys(['mode']),
+      _service_copy_mounts |
+        map(attribute='source') |
+        map('regex_replace', '\/$', '') |
+        map('regex_replace', '^', _service_host_directory ~ '/mounts/') |
+        map('community.general.dict_kv', 'source'),
+      ([{'type': 'bind'}] * _service_copy_mounts | length)
+    ) |
+    map('combine')
+  }}
 
 _service_container_mounts: >-
   {{
     _service_container_volume_mounts +
     _service_container_bind_mounts +
-    _service_container_template_mounts
+    _service_container_template_mounts +
+    _service_container_copy_mounts
   }}
 
 
@@ -67,3 +84,23 @@ _service_all_template_mount_host_files: >-
       map('regex_replace', '\.j2$', '') |
       map('regex_replace', '^', _service_host_directory ~ '/mounts/')
   }}
+
+_service_all_copy_mounts: >-
+  {{
+    (
+      _service_copy_mounts +
+      (
+        _service_additional_containers |
+        map(attribute='mounts', default=[]) |
+        flatten
+      )
+    ) |
+      selectattr('type', '==', 'copy') |
+      unique
+  }}
+_service_all_copy_mount_host_files: >-
+  {{
+    _service_all_copy_mounts |
+      map(attribute='source') |
+      map('regex_replace', '^', _service_host_directory ~ '/mounts/')
+  }}