new: [odoo-tecnativa] will manage longpolling on apache relations

Use ``options.workers`` to manage longpolling redirection.

odoo-tecnativa/metadata.yml

@@ -42,7 +42,15 @@ uses:
     auto: pair
     solves:
       proxy: "Public access"
-    #default-options:
+    default-options:
+      apache-custom-rules:
+        - !bash-stdout |
+          workers=$(relation-base-compose-get workers 2>/dev/null)
+          workers=${workers:-1}
+          if [ "$workers" -gt 1 ]; then
+              echo "ProxyPass /longpolling/ http://${MASTER_BASE_SERVICE_NAME}:8072/longpolling/"
+              echo "ProxyPassReverse /longpolling/ http://${MASTER_BASE_SERVICE_NAME}:8072/longpolling/"
+          fi
 
 # network-isolation:
 #   whitelist:  ## required external services used by this service