visualization of ports

README.md

@@ -8,10 +8,11 @@ Changes:
 - Improved design
 - Added the ability to generate url
 - Added display of connections with the host
+- Visualization of ports
 - Github package
 
 ## Example
-![example graph](./example.png)
+![example graph](./example.svg)
 
 ## Usage
 ```bash

docker-compose.yml

@@ -23,6 +23,14 @@ services:
         - network_b
         - network_c
         - no_gateway
+    service_4:
+      container_name: service_4
+      image: leoverto/dummy-image
+      ports:
+        - "1234:1234"
+        - "0.0.0.0:5678:5678/udp"
+      networks:
+        - internet
     host_service:
       container_name: host_service
       image: leoverto/dummy-image
@@ -33,6 +41,9 @@ services:
       network_mode: none
 
 networks:
+  internet: 
+    driver_opts:
+      com.docker.network.bridge.enable_icc: "false"
   network_a:
   network_b:
   network_c:

docker-network-graph.py

@@ -50,12 +50,16 @@ class Interface:
     address: str
     aliases: typing.List[str]
 
+@dataclass
+class Port:
+    port: str
     
 @dataclass
 class Container:
     container_id: str
     name: str
     interfaces: typing.List[Interface]
+    ports: typing.List[Interface]
 
 
 @dataclass
@@ -125,11 +129,13 @@ def get_containers(
 
     for container in client.containers.list():
         interfaces: typing.List[Interface] = []
+        ports: typing.List[Port] = []
+
+        for port_name, port_info in container.attrs["NetworkSettings"]["Ports"].items():
+            ports.append(Port(port_name))
 
         # Iterate over container interfaces
-        for net_name, net_info in container.attrs["NetworkSettings"][
+        for net_name, net_info in container.attrs["NetworkSettings"]["Networks"].items():
-            "Networks"
-        ].items():
             endpoint_id = net_info["EndpointID"]
 
             aliases = []
@@ -143,11 +149,9 @@ def get_containers(
             links.append(Link(container.id, endpoint_id, net_name))
 
         if verbose:
-            print(
+            print(f"Container: {container.name} {ports} {''.join([iface.address for iface in interfaces])}")
-                f"Container: {container.name} {''.join([iface.address for iface in interfaces])}"
-            )
 
-        containers.append(Container(container.id, container.name, interfaces))
+        containers.append(Container(container.id, container.name, interfaces, ports))
 
     return containers, links
 
@@ -172,6 +176,12 @@ def draw_network(g: Graph, net: Network):
 
 def draw_container(g: Graph, c: Container):
     iface_labels = []
+    port_labels = []
+    
+    for iport in c.ports:
+        port_label = "{"
+        port_label += f"{iport.port} }}"
+        port_labels.append(port_label)
 
     for iface in c.interfaces:
         iface_label = "{"
@@ -182,7 +192,10 @@ def draw_container(g: Graph, c: Container):
         iface_label += f"<{iface.endpoint_id}> {iface.address} }}"
         iface_labels.append(iface_label)
     
-    label = f"{{ {c.name} | {{ {' | '.join(iface_labels)} }} }}"
+    label =f"{{ {c.name} "
+    if port_labels:
+        label = label + f"| {{ {' | '.join(port_labels)} }} "
+    label = label + f"| {{ {' | '.join(iface_labels)} }} }}"
 
     g.node(
         f"container_{c.container_id}",