add transparenz background

fix README
2024-03-19 22:45:43 +01:00 · 2024-03-19 21:50:55 +01:00 · 2024-03-19 21:50:03 +01:00 · 2024-03-19 21:14:09 +01:00 · 2024-03-19 20:57:48 +01:00 · 2024-01-14 03:28:30 +05:00
5 changed files with 284 additions and 24 deletions
--- a/.gitignore
+++ b/.gitignore
@ -1,6 +1,4 @@
 *.gv
 *.pdf
-*.png
-*.svg
 .idea
 /output
--- a/README.md
+++ b/README.md
@ -3,14 +3,16 @@
 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)
+This repository fork [MuratovAS/docker-network-graph](https://github.com/MuratovAS/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](./example.png)
+![example graph](./example.svg)

 ## Usage
 ```bash
@ -27,8 +29,22 @@ Changes:
 If you want to generate a graph for a remote system you can also easily
 run this script inside a pre-built docker container:

+build container
+
 ```bash
-docker run --rm -v /var/run/docker.sock:/var/run/docker.sock muratovas/docker-network-graph -u
+docker build . -t code.brothertec.eu/simono41/docker-network-graph:latest
+```
+
+and create a PNG
+
+```bash
+docker run --rm -v /var/run/docker.sock:/var/run/docker.sock code.brothertec.eu/simono41/docker-network-graph:latest | dot -Tpng -o out.png
+```
+
+or as SVG
+
+```bash
+docker run --rm -v /var/run/docker.sock:/var/run/docker.sock code.brothertec.eu/simono41/docker-network-graph:latest | dot -Tsvg -o out.svg
 ```

 For more advanced use cases you can append arguments to the `docker run`
@ -38,7 +54,7 @@ command as if you were running it in a local shell.
 In most cases what you want to run are the following couple commands:

 ```bash
-git clone https://github.com/muratovas/docker-network-graph.git
+git clone https://code.brothertec.eu/simono41/docker-network-graph.git
 cd docker-network-graph
 pipenv install
 pipenv run python docker-network-graph.py -o output.svg
@ -59,7 +75,10 @@ generate the file.
 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 docker-compose.yml up -d`.
+You can deploy it using 
+```bash
+docker-compose -f docker-compose.yml up -d
+```

 ## Credit

--- a/docker-compose.yml
+++ b/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:
--- a/docker-network-graph.py
+++ b/docker-network-graph.py
@ -23,7 +23,7 @@ COLORS = [
    "#b2df8a",
    "#fdbf6f",
    "#cab2d6",
-    "#ffff99",
+    "#90f530",
    "#0d8bad",
    "#e98420",
    "#0e9997",
@ -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
@ -73,11 +77,10 @@ def get_unique_color() -> str:
        i += 1
    else:
        # Generate random color if we've already used the 12 preset ones
-        c = '#'.join([f"{random.randint(0, 255):02x}" for _ in range(3)])
+        c = "#{:06x}".format(random.randint(0, 0xFFFFFF))

    return c

-
 def get_networks(
    client: docker.DockerClient, verbose: bool
 ) -> typing.Dict[str, Network]:
@ -86,7 +89,7 @@ def get_networks(
    for net in sorted(client.networks.list(), key=lambda k: k.name):
        try:
            gateway = net.attrs["IPAM"]["Config"][0]["Subnet"]
-        except (KeyError, IndexError):
+        except (KeyError, IndexError, TypeError):
            # This network doesn't seem to be used, skip it
            continue

@ -125,11 +128,13 @@ 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 = []
@ -143,11 +148,9 @@ 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

@ -172,6 +175,12 @@ 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 = "{"
@ -181,8 +190,11 @@ 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}",
@ -194,10 +206,18 @@ def draw_container(g: Graph, c: Container):


 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,
    )


@ -213,13 +233,13 @@ def generate_graph(verbose: bool, file: str, url: str):
            comment="Docker Network Graph",
            engine="sfdp",
            format=ext[1:],
-            graph_attr=dict(splines="true"),
+            graph_attr=dict(splines="true", rankdir="LR", bgcolor="transparent"),
        )
    else:
        g = Graph(
            comment="Docker Network Graph",
            engine="sfdp",
-            graph_attr=dict(splines="true"),
+            graph_attr=dict(splines="true", rankdir="LR", bgcolor="transparent"),
        )

    for _, network in networks.items():
@ -265,4 +285,4 @@ if __name__ == "__main__":
    parser.add_argument("-u", "--url", help="generate link for GraphvizOnline", action="store_true")
    args = parser.parse_args()

-    generate_graph(args.verbose, args.out, args.url)
+    generate_graph(args.verbose, args.out, args.url)
--- a/example.svg
+++ b/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"/>
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+<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"/>
+<text text-anchor="middle" x="402.3198" y="-94.2" font-family="Times,serif" font-size="14.00" fill="#000000">docker-network-graph_network_a</text>
+</g>
+<!-- network_docker&#45;network&#45;graph_network_a&#45;&#45;network_host -->
+<g id="edge14" class="edge">
+<title>network_docker-network-graph_network_a--network_host</title>
+<path fill="none" stroke="#808080" stroke-dasharray="1,5" d="M453.3204,-80.2918C499.1467,-64.1107 564.6764,-40.9723 601.1572,-28.091"/>
+</g>
+<!-- network_docker&#45;network&#45;graph_network_b -->
+<g id="node4" class="node">
+<title>network_docker-network-graph_network_b</title>
+<path fill="#ff7f00" fill-opacity="0.376471" stroke="#ff7f00" stroke-opacity="0.376471" d="M536.3043,-80.3C536.3043,-80.3 720.3353,-80.3 720.3353,-80.3 726.3353,-80.3 732.3353,-86.3 732.3353,-92.3 732.3353,-92.3 732.3353,-104.3 732.3353,-104.3 732.3353,-110.3 726.3353,-116.3 720.3353,-116.3 720.3353,-116.3 536.3043,-116.3 536.3043,-116.3 530.3043,-116.3 524.3043,-110.3 524.3043,-104.3 524.3043,-104.3 524.3043,-92.3 524.3043,-92.3 524.3043,-86.3 530.3043,-80.3 536.3043,-80.3"/>
+<text text-anchor="middle" x="628.3198" y="-94.2" font-family="Times,serif" font-size="14.00" fill="#000000">docker-network-graph_network_b</text>
+</g>
+<!-- network_docker&#45;network&#45;graph_network_b&#45;&#45;network_host -->
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+<title>network_docker-network-graph_network_b--network_host</title>
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+</g>
+<!-- network_docker&#45;network&#45;graph_network_c -->
+<g id="node5" class="node">
+<title>network_docker-network-graph_network_c</title>
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+<text text-anchor="middle" x="854.3198" y="-94.2" font-family="Times,serif" font-size="14.00" fill="#000000">docker-network-graph_network_c</text>
+</g>
+<!-- network_docker&#45;network&#45;graph_network_c&#45;&#45;network_host -->
+<g id="edge16" class="edge">
+<title>network_docker-network-graph_network_c--network_host</title>
+<path fill="none" stroke="#808080" stroke-dasharray="1,5" d="M803.3192,-80.2918C757.4929,-64.1107 691.9632,-40.9723 655.4824,-28.091"/>
+</g>
+<!-- network_docker&#45;network&#45;graph_no_gateway -->
+<g id="node6" class="node">
+<title>network_docker-network-graph_no_gateway</title>
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+</g>
+<!-- network_docker&#45;network&#45;graph_no_gateway&#45;&#45;network_host -->
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+<title>network_docker-network-graph_no_gateway--network_host</title>
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Author	SHA1	Message	Date
Simon Rieger	4361c1eb11	add transparenz background	2024-03-19 22:45:43 +01:00
Simon Rieger	616572fab8	fix README	2024-03-19 21:50:55 +01:00
Simon Rieger	56ee3e242f	fix README	2024-03-19 21:50:03 +01:00
Simon Rieger	c0035c2b89	change README	2024-03-19 21:14:09 +01:00
Simon Rieger	9b0c4efe56	fix get random color	2024-03-19 20:57:48 +01:00
MuratovAS	84387e105d	Update docker-network-graph.py	2024-01-14 03:28:30 +05:00
MuratovAS	e13dcacb0a	add example	2024-01-14 03:19:45 +05:00
MuratovAS	2492ba0646	visualization of ports	2024-01-14 03:18:42 +05:00
MuratovAS	212a082af3	line type = network type	2024-01-14 01:29:41 +05:00
Aleksej Muratov	e8c090b3be	Update README.md	2024-01-13 17:15:22 +00:00