80 lines
2.1 KiB
Python
80 lines
2.1 KiB
Python
from docker import Client
|
|
|
|
import os
|
|
import pprint
|
|
import json
|
|
|
|
from graphviz import Graph
|
|
|
|
dot = Graph(comment='Docker Network Graph',
|
|
graph_attr=dict( rankdir="TB", packmode='graph', pack='true')
|
|
)
|
|
|
|
docker_client = Client(os.environ.get("DOCKER_HOST", "unix:///var/run/docker.sock"))
|
|
|
|
def dump_json(obj):
|
|
print(json.dumps(obj, indent=4))
|
|
|
|
for c in sorted(docker_client.containers()):
|
|
name = c['Names'][0]
|
|
container_id = c['Id']
|
|
|
|
node_id = 'container_%s' % container_id
|
|
|
|
iface_labels = []
|
|
|
|
for net_name, net_info in c['NetworkSettings']['Networks'].items():
|
|
label_iface = "<%s> %s" % (net_info['EndpointID'], net_info['IPAddress'])
|
|
|
|
iface_labels.append(label_iface)
|
|
|
|
print('|'.join(iface_labels))
|
|
|
|
|
|
dot.node(node_id,
|
|
shape='record',
|
|
label="{ %s | { %s } }" % (name, '|'.join(iface_labels)),
|
|
fillcolor='#ff9999',
|
|
style='filled')
|
|
|
|
|
|
|
|
for net in docker_client.networks():
|
|
net_name = net['Name']
|
|
|
|
try:
|
|
gateway = net['IPAM']['Config'][0]['Gateway']
|
|
except IndexError:
|
|
gateway = None
|
|
|
|
try:
|
|
subnet = net['IPAM']['Config'][0]['Subnet']
|
|
except IndexError:
|
|
subnet = None
|
|
|
|
print("Network: %s %s gw:%s" % ( net_name, subnet,gateway))
|
|
|
|
net_node_id = "net_%s" % (net_name,)
|
|
|
|
net_label_html = '<br/>'.join([s for s in ['<font color="#777777"><i>network</i></font>', net_name, subnet, gateway] if s != None])
|
|
|
|
dot.node(net_node_id,
|
|
shape='record',
|
|
label="{<gw_iface> %s| %s }" % (gateway, net_name),
|
|
fillcolor='#99ff99',
|
|
style='filled')
|
|
|
|
|
|
for container_id, container in sorted(net['Containers'].items()):
|
|
dump_json(container)
|
|
print(" * ", container['Name'], container['IPv4Address'], container['IPv6Address'])
|
|
|
|
container_node_id = 'container_%s' % container_id
|
|
|
|
container_iface_ref = "%s:%s" % (container_node_id, container['EndpointID'])
|
|
|
|
dot.edge(container_iface_ref, net_node_id+":gw_iface")
|
|
|
|
print(dot.source)
|
|
dot.render('dng.gv')
|
|
|