Update docker-network-graph.py

.dockerignore

@@ -1,3 +1,4 @@
 .*
 test/
 example.png
+docker-compose.yml

.github/dependabot.yml

@@ -1,12 +0,0 @@
-version: 2
-updates:
-  # Maintain dependencies for GitHub Actions
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "daily"
-    ignore:
-      - dependency-name: "*"
-        update-types: ["version-update:semver-patch"]
-      - dependency-name: "*"
-        update-types: ["version-update:semver-minor"]

.github/workflows/docker-build-push.yml

@@ -0,0 +1,53 @@
+name: Docker (Build and Push)
+
+# Controls when the workflow will run
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+
+# permissions are needed if pushing to ghcr.io
+permissions: 
+  packages: write
+
+jobs:
+  build_push:
+    name: Build and Push
+    runs-on: ubuntu-latest
+    steps:
+      # Get the repository's code
+      - uses: actions/checkout@v4
+      # https://github.com/docker/setup-qemu-action
+      - uses: docker/setup-qemu-action@v3
+      # https://github.com/docker/setup-buildx-action
+      - uses: docker/setup-buildx-action@v3
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          # list of Docker images to use as base name for tags
+          images: |
+            ghcr.io/muratovas/docker-network-graph
+          # Docker tags based on the following events/attributes
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha
+      
+      - name: Build and Push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.github/workflows/docker.yml

@@ -1,60 +0,0 @@
-name: Publish Docker image
-on:
-  push:
-    branches:
-      - '**'
-    tags:
-      - 'v*'
-jobs:
-  push_to_registry:
-    name: Build and push docker image
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Docker meta
-        id: docker_meta
-        uses: docker/metadata-action@v4
-        with:
-          images: ${{ secrets.DOCKERHUB_USERNAME }}/docker-network-graph,ghcr.io/${{ github.repository_owner }}/docker-network-graph
-          tags: |
-            type=ref,event=branch
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
-      - name: Cache Docker layers
-        if: github.event_name != 'pull_request'
-        uses: actions/cache@v3
-        with:
-          path: /tmp/.buildx-cache
-          key: ${{ runner.os }}-buildx-${{ github.sha }}
-          restore-keys: |
-            ${{ runner.os }}-buildx-
-      - name: Login to DockerHub
-        uses: docker/login-action@v1 
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-      - name: Login to GitHub Container Registry
-        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v1 
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-      - name: Build and push
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          file: ./Dockerfile
-          platforms: linux/amd64,linux/386,linux/arm/v6,linux/arm/v7,linux/arm64
-          push: True
-          tags: ${{ steps.docker_meta.outputs.tags }}
-          labels: ${{ steps.docker_meta.outputs.labels }}
-          cache-from: type=local,src=/tmp/.buildx-cache
-          cache-to: type=local,dest=/tmp/.buildx-cache

.gitignore

@@ -1,5 +1,4 @@
 *.gv
 *.pdf
-*.png
-*.svg
 .idea
+/output

LICENSE

@@ -1,5 +1,6 @@
 Copyright (c) 2018 Eugene Agafonov
 Copyright (c) 2023 e-dant (github.com/e-dant)
+Copyright (c) 2024 MuratovAS
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

Pipfile

@@ -4,10 +4,10 @@ verify_ssl = true
 name = "pypi"
 
 [packages]
-docker = "~=3.7"
 graphviz = "*"
+docker = "==6.*"
 
 [dev-packages]
 
 [requires]
-python_version = "3"
+python_version = ">=3.6,<4"

Pipfile.lock

@@ -1,11 +1,11 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "7a973891b61a2778ab0989c6d5b6d0507ac7977cce469307bfd06903240b6449"
+            "sha256": "f30fb7db8567fcb899359e73c438a98a395302efa3ae741a9a181778bfaf8f39"
         },
         "pipfile-spec": 6,
         "requires": {
-            "python_version": "3"
+            "python_version": ">=3.6,<4"
         },
         "sources": [
             {
@@ -107,18 +107,11 @@
         },
         "docker": {
             "hashes": [
-                "sha256:2434b396e616a5ef682fbf80e04839a59e8b81880ece5662c33dff34b8863519",
-                "sha256:a062a9f82dff025f79c2097c46f49f143f8898274db7e66041f78cafee66b962"
+                "sha256:aa6d17830045ba5ef0168d5eaa34d37beeb113948c413affe1d5991fc11f9a20",
+                "sha256:aecd2277b8bf8e506e484f6ab7aec39abe0038e29fa4a6d3ba86c3fe01844ed9"
             ],
             "index": "pypi",
-            "version": "==3.7.3"
-        },
-        "docker-pycreds": {
-            "hashes": [
-                "sha256:6ce3270bcaf404cc4c3e27e4b6c70d3521deae82fb508767870fdbf772d584d4",
-                "sha256:7266112468627868005106ec19cd0d722702d2b7d5912a28e19b826c3d37af49"
-            ],
-            "version": "==0.4.0"
+            "version": "==6.1.3"
         },
         "graphviz": {
             "hashes": [
@@ -136,6 +129,14 @@
             "markers": "python_version >= '3.5'",
             "version": "==3.4"
         },
+        "packaging": {
+            "hashes": [
+                "sha256:994793af429502c4ea2ebf6bf664629d07c1a9fe974af92966e4b8d2df7edc61",
+                "sha256:a392980d2b6cffa644431898be54b0045151319d1e7ec34f0cfed48767dd334f"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==23.1"
+        },
         "requests": {
             "hashes": [
                 "sha256:58cd2187c01e70e6e26505bca751777aa9f2ee0b7f4300988b709f44e013003f",
@@ -144,14 +145,6 @@
             "markers": "python_version >= '3.7'",
             "version": "==2.31.0"
         },
-        "six": {
-            "hashes": [
-                "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
-                "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
-            ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==1.16.0"
-        },
         "urllib3": {
             "hashes": [
                 "sha256:48e7fafa40319d358848e1bc6809b208340fafe2096f1725d05d67443d0483d1",

README.md

@@ -3,34 +3,50 @@
 Visualize the relationship between Docker networks and containers
 as a neat graphviz graph.
 
+This repository fork [e-dant/docker-network-graph](https://github.com/e-dant/docker-network-graph)
+Changes:
+- Improved design
+- Added the ability to generate url
+- Added display of connections with the host
+- Visualization of ports
+- Github package
 
 ## Example
-![example graph](https://raw.githubusercontent.com/e-dant/docker-network-graph/release/example.png)
+![example graph](./example.svg)
 
 ## Usage
-    usage: docker-network-graph.py [-h] [-v] [-o OUT]
-
+```bash
+    usage: docker-network-graph.py [-h] [-v] [-o OUT] [-u]
     Visualize docker networks.
-    
     optional arguments:
-      -h, --help         show this help message and exit
+      -h, --help         Show this help message and exit
       -v, --verbose      Verbose output
-      -o OUT, --out OUT  Write output to file
-
-In most cases what you want to run are the following couple commands:
-
-    git clone https://github.com/e-dant/docker-network-graph.git
-    cd docker-network-graph
-    pipenv install
-    pipenv run python docker-network-graph.py -o output.svg
-
-This will generate an .svg file containing the graph.
+      -o OUT, --out OUT  Write output to file [not supported by container]
+      -u, --url          Generate link for GraphvizOnline
+```
 
 ## Running inside docker
 If you want to generate a graph for a remote system you can also easily
 run this script inside a pre-built docker container:
 
-    docker run --rm -v /var/run/docker.sock:/var/run/docker.sock e-dant/docker-network-graph
+```bash
+docker run --rm -v /var/run/docker.sock:/var/run/docker.sock ghcr.io/muratovas/docker-network-graph:latest -u
+```
+
+For more advanced use cases you can append arguments to the `docker run`
+command as if you were running it in a local shell.
+
+## Running local
+In most cases what you want to run are the following couple commands:
+
+```bash
+git clone https://github.com/muratovas/docker-network-graph.git
+cd docker-network-graph
+pipenv install
+pipenv run python docker-network-graph.py -o output.svg
+```
+
+This will generate an .svg file containing the graph.
 
 This will just generate and output the graph in the [DOT Language][dot].
 You can then paste that code into [GraphvizOnline][gvonline]
@@ -41,15 +57,17 @@ Alternatively, if you prefer to render locally, you can run
 paste the previous output there, press enter and finally CTRL+C to
 generate the file.
 
-
-For more advanced use cases you can append arguments to the `docker run`
-command as if you were running it in a local shell.
-
-[dot]: https://www.graphviz.org/doc/info/lang.html
-[gvonline]: https://dreampuf.github.io/GraphvizOnline/
-
 ## Development
 If you'd like to contribute to this project, there is a sample docker-compose file
 using dummy containers in `test`.
 
-You can deploy it using `docker-compose -f test/docker-compose.yml up -d`.
+You can deploy it using 
+```bash
+docker-compose -f docker-compose.yml up -d
+```
+
+## Credit
+
+[dot lang](https://www.graphviz.org/doc/info/lang.html)
+
+[gvonline](https://dreampuf.github.io/GraphvizOnline/)

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

@@ -5,6 +5,7 @@ import argparse
 import random
 import docker
 import typing
+import urllib.parse
 from dataclasses import dataclass
 from graphviz import Graph
 from graphviz.parameters.formats import FORMATS
@@ -22,7 +23,7 @@ COLORS = [
     "#b2df8a",
     "#fdbf6f",
     "#cab2d6",
-    "#ffff99",
+    "#90f530",
     "#0d8bad",
     "#e98420",
     "#0e9997",
@@ -49,12 +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
@@ -124,11 +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"][
-            "Networks"
-        ].items():
+        for net_name, net_info in container.attrs["NetworkSettings"]["Networks"].items():
             endpoint_id = net_info["EndpointID"]
 
             aliases = []
@@ -142,17 +149,16 @@ def get_containers(
             links.append(Link(container.id, endpoint_id, net_name))
 
         if verbose:
-            print(
-                f"Container: {container.name} {''.join([iface.address for iface in interfaces])}"
-            )
+            print(f"Container: {container.name} {ports} {''.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
 
 
 def draw_network(g: Graph, net: Network):
-    label = f"{{<gw_iface> {net.gateway} | {net.name}"
+    # <gw_iface> {net.gateway} | 
+    label = f"{{{net.name}"
     if net.internal:
         label += " | Internal"
     if net.isolated:
@@ -163,13 +169,19 @@ def draw_network(g: Graph, net: Network):
         f"network_{net.name}",
         shape="record",
         label=label,
-        fillcolor=net.color,
-        style="filled",
+        color=net.color + "60",
+        style="filled,rounded",
     )
 
 
 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 = "{"
@@ -180,26 +192,37 @@ 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}",
         shape="record",
         label=label,
-        fillcolor="#ff9999",
+        fillcolor="#cdcdcd",
         style="filled",
     )
 
 
 def draw_link(g: Graph, networks: typing.Dict[str, Network], link: Link):
+    if networks[link.network_name].isolated:
+        style="dashed"
+    elif  networks[link.network_name].name == "host":
+        style="bold"
+    else:
+        style="solid"
+        
     g.edge(
         f"container_{link.container_id}:{link.endpoint_id}",
         f"network_{link.network_name}",
         color=networks[link.network_name].color,
+        style=style,
     )
 
 
-def generate_graph(verbose: bool, file: str):
+def generate_graph(verbose: bool, file: str, url: str):
     docker_client = docker.from_env()
 
     networks = get_networks(docker_client, verbose)
@@ -230,10 +253,23 @@ def generate_graph(verbose: bool, file: str):
         if link.network_name != "none":
             draw_link(g, networks, link)
 
+    for _, network in networks.items():
+        if network.internal != True:
+            if network.name != "host":
+                g.edge(
+                    f"network_{network.name}",
+                    f"network_host",
+                    color="#808080",
+                    style="dotted",
+                )
+            
     if file:
         g.render(base)
     else:
-        print(g.source)
+        if url:
+            print("https://dreampuf.github.io/GraphvizOnline/#" + urllib.parse.quote(g.source))
+        else:
+            print(g.source)
 
 
 def graphviz_output_file(filename: str):
@@ -245,10 +281,9 @@ def graphviz_output_file(filename: str):
     
 if __name__ == "__main__":
     parser = argparse.ArgumentParser(description="Visualize docker networks.")
-    parser.add_argument("-v", "--verbose", help="Verbose output", action="store_true")
-    parser.add_argument(
-        "-o", "--out", help="Write output to file", type=graphviz_output_file
-    )
+    parser.add_argument("-v", "--verbose", help="verbose output", action="store_true")
+    parser.add_argument("-o", "--out", help="write output to file", type=graphviz_output_file)
+    parser.add_argument("-u", "--url", help="generate link for GraphvizOnline", action="store_true")
     args = parser.parse_args()
 
-    generate_graph(args.verbose, args.out)
+    generate_graph(args.verbose, args.out, args.url)

example.svg

@@ -0,0 +1,212 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Generated by graphviz version 2.40.1 (20161225.0304)
+ -->
+<!-- Title: %0 Pages: 1 -->
+<svg width="1304pt" height="243pt" viewBox="0.00 0.00 1304.31 243.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 239)">
+<title>%0</title>
+<polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-239 1300.3072,-239 1300.3072,4 -4,4"/>
+<!-- network_bridge -->
+<g id="node1" class="node">
+<title>network_bridge</title>
+<path fill="#1f78b4" fill-opacity="0.376471" stroke="#1f78b4" stroke-opacity="0.376471" d="M30.3198,-80.3C30.3198,-80.3 60.3198,-80.3 60.3198,-80.3 66.3198,-80.3 72.3198,-86.3 72.3198,-92.3 72.3198,-92.3 72.3198,-104.3 72.3198,-104.3 72.3198,-110.3 66.3198,-116.3 60.3198,-116.3 60.3198,-116.3 30.3198,-116.3 30.3198,-116.3 24.3198,-116.3 18.3198,-110.3 18.3198,-104.3 18.3198,-104.3 18.3198,-92.3 18.3198,-92.3 18.3198,-86.3 24.3198,-80.3 30.3198,-80.3"/>
+<text text-anchor="middle" x="45.2027" y="-94.2" font-family="Times,serif" font-size="14.00" fill="#000000">bridge</text>
+</g>
+<!-- network_host -->
+<g id="node7" class="node">
+<title>network_host</title>
+<path fill="#808080" fill-opacity="0.376471" stroke="#808080" stroke-opacity="0.376471" d="M613.3198,-.5C613.3198,-.5 643.3198,-.5 643.3198,-.5 649.3198,-.5 655.3198,-6.5 655.3198,-12.5 655.3198,-12.5 655.3198,-24.5 655.3198,-24.5 655.3198,-30.5 649.3198,-36.5 643.3198,-36.5 643.3198,-36.5 613.3198,-36.5 613.3198,-36.5 607.3198,-36.5 601.3198,-30.5 601.3198,-24.5 601.3198,-24.5 601.3198,-12.5 601.3198,-12.5 601.3198,-6.5 607.3198,-.5 613.3198,-.5"/>
+<text text-anchor="middle" x="627.9874" y="-14.4" font-family="Times,serif" font-size="14.00" fill="#000000">host</text>
+</g>
+<!-- network_bridge&#45;&#45;network_host -->
+<g id="edge12" class="edge">
+<title>network_bridge--network_host</title>
+<path fill="none" stroke="#808080" stroke-dasharray="1,5" d="M67.5657,-80.0812C71.9122,-77.2896 76.5941,-74.757 81.3198,-73 178.4884,-36.8744 504.6733,-22.8138 601.1943,-19.385"/>
+</g>
+<!-- network_docker&#45;network&#45;graph_internet -->
+<g id="node2" class="node">
+<title>network_docker-network-graph_internet</title>
+<path fill="#33a02c" fill-opacity="0.376471" stroke="#33a02c" stroke-opacity="0.376471" d="M101.8597,-73.5C101.8597,-73.5 268.7799,-73.5 268.7799,-73.5 274.7799,-73.5 280.7799,-79.5 280.7799,-85.5 280.7799,-85.5 280.7799,-111.1 280.7799,-111.1 280.7799,-117.1 274.7799,-123.1 268.7799,-123.1 268.7799,-123.1 101.8597,-123.1 101.8597,-123.1 95.8597,-123.1 89.8597,-117.1 89.8597,-111.1 89.8597,-111.1 89.8597,-85.5 89.8597,-85.5 89.8597,-79.5 95.8597,-73.5 101.8597,-73.5"/>
+<text text-anchor="middle" x="185.3198" y="-106.5" font-family="Times,serif" font-size="14.00" fill="#000000">docker-network-graph_internet</text>
+<polyline fill="none" stroke="#33a02c" stroke-opacity="0.376471" points="89.8597,-98.3 280.7799,-98.3 "/>
+<text text-anchor="middle" x="185.3198" y="-81.7" font-family="Times,serif" font-size="14.00" fill="#000000">Containers isolated</text>
+</g>
+<!-- network_docker&#45;network&#45;graph_internet&#45;&#45;network_host -->
+<g id="edge13" class="edge">
+<title>network_docker-network-graph_internet--network_host</title>
+<path fill="none" stroke="#808080" stroke-dasharray="1,5" d="M281.026,-74.7156C283.8183,-74.1244 286.5875,-73.5511 289.3198,-73 404.4333,-49.7829 543.1284,-30.0247 600.9438,-22.1505"/>
+</g>
+<!-- network_docker&#45;network&#45;graph_network_a -->
+<g id="node3" class="node">
+<title>network_docker-network-graph_network_a</title>
+<path fill="#e31a1c" fill-opacity="0.376471" stroke="#e31a1c" stroke-opacity="0.376471" d="M310.697,-80.3C310.697,-80.3 493.9426,-80.3 493.9426,-80.3 499.9426,-80.3 505.9426,-86.3 505.9426,-92.3 505.9426,-92.3 505.9426,-104.3 505.9426,-104.3 505.9426,-110.3 499.9426,-116.3 493.9426,-116.3 493.9426,-116.3 310.697,-116.3 310.697,-116.3 304.697,-116.3 298.697,-110.3 298.697,-104.3 298.697,-104.3 298.697,-92.3 298.697,-92.3 298.697,-86.3 304.697,-80.3 310.697,-80.3"/>
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tool/build

@@ -1,6 +0,0 @@
-#! /usr/bin/env bash
-
-(
-  cd "$(dirname "$0")/.." \
-  && pipenv install
-)

tool/run

@@ -1,6 +0,0 @@
-#! /usr/bin/env bash
-
-(
-  cd "$(dirname "$0")/.." \
-  && pipenv run python docker-network-graph.py -o output.svg
-)