Fix Swarm networking

examples/swarm/easyhaproxy.yml

@@ -1,4 +1,5 @@
 # To Install
+# docker network create --driver overlay --attachable easyhaproxy
 # docker stack deploy -c easyhaproxy.yml easyhaproxy
 
 
@@ -6,7 +7,7 @@ version: "3"
 
 services:
   haproxy:
-    image: byjg/easy-haproxy:4.3.1-rc1
+    image: byjg/easy-haproxy:4.3.1-rc2
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
       - ./certs:/certs/haproxy
@@ -25,6 +26,12 @@ services:
       - "80:80/tcp"
       - "443:443/tcp"
       - "1936:1936/tcp"
+    networks:
+      - easyhaproxy
+
+networks:
+  easyhaproxy:
+    external: true
 
 volumes:
   certs_letsencrypt:

src/processor/__init__.py

@@ -40,6 +40,7 @@ class ProcessorInterface:
 
     def __init__(self, filename = None):
         self.filename = filename
+        self.label = ContainerEnv.read()['lookup_label']
         self.refresh()
 
     @staticmethod
@@ -156,25 +157,40 @@ class Swarm(ProcessorInterface):
 
     def inspect_network(self):
         ha_proxy_service_name = self.client.containers.get(socket.gethostname()).name.split('.')[0]
-        for endpoint in self.client.services.get(ha_proxy_service_name).attrs['Endpoint']["VirtualIPs"]:                
-            ha_proxy_network_id = endpoint["NetworkID"]
-            if self.client.networks.get(ha_proxy_network_id).name != 'ingress':
+        ha_proxy_network_id = None
+        swarm_ingress_id = None
+
+        # Get the HAProxy network and the ingress network
+        for endpoint in self.client.services.get(ha_proxy_service_name).attrs['Endpoint']["VirtualIPs"]:
+            network_name = self.client.networks.get(endpoint["NetworkID"]).name
+            if swarm_ingress_id is None and network_name == 'ingress':
+                swarm_ingress_id = endpoint["NetworkID"]
+            if ha_proxy_network_id is None and network_name != 'ingress':
+                ha_proxy_network_id = endpoint["NetworkID"]
+            if ha_proxy_network_id is not None and swarm_ingress_id is not None:
                 break
 
+        # Check if the service is attached to the HAProxy network
         self.parsed_object = {}
         for service in self.client.services.list():
+            if not any(self.label in key for key in service.attrs["Spec"]["Labels"]):
+                continue
+
             ip_address = None
+            network_list = []
             for endpoint in service.attrs["Endpoint"]["VirtualIPs"]:
                 if ha_proxy_network_id == endpoint["NetworkID"]:
                     ip_address = endpoint["Addr"].split("/")[0]
                     break
+                elif swarm_ingress_id != endpoint["NetworkID"]:
+                    network_list.append(endpoint["NetworkID"])
 
-            # add the network ha_proxy_network_id to the service object
+            # Attach the service to the HAProxy network
             if ip_address is None:
-                network_attachment = docker.types.NetworkAttachmentConfig(target=ha_proxy_network_id)
-                service.update(networks = [network_attachment])
+                network_list.append(ha_proxy_network_id)
+                service.update(networks = network_list)
                 continue # skip to the next service to give time to update the network
-                
+
             self.parsed_object[ip_address] = service.attrs["Spec"]["Labels"]