78 lines
2 KiB
Python
78 lines
2 KiB
Python
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from docker import Client
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import os
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import pprint
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import json
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from graphviz import Graph
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dot = Graph(comment='Docker Network Graph',
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graph_attr=dict( rankdir="LR")
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)
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docker_client = Client(os.environ.get("DOCKER_HOST", "unix:///var/run/docker.sock"))
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#pprint.pprint(docker_client.networks())
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def dump_json(obj):
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print json.dumps(obj, indent=4)
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for net in sorted(docker_client.networks()):
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#print "Net"
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net_name = net['Name']
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#subnet = net['IPAM']['Config']['Subnet']
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#dump_json(net)
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try:
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gateway = net['IPAM']['Config'][0]['Gateway']
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except IndexError:
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gateway = None
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try:
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subnet = net['IPAM']['Config'][0]['Subnet']
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except IndexError:
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subnet = None
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print "Network: %s %s gw:%s" % ( net_name, subnet,gateway)
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net_node_id = "net_%s" % (net_name,)
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net_label_html = '<br/>'.join([s for s in ['net', net_name, subnet, gateway] if s != None])
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dot.node(net_node_id, label="<%s>" % net_label_html, shape='note')
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#pprint.pprint(net['Containers'])
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for container_id, container in sorted(net['Containers'].iteritems()):
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print " * ", container['Name'], container['IPv4Address'], container['IPv6Address']
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container_node_id = 'container_%s' % container_id
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label_html = "<font color='#777777'><i>container</i></font><br/>%s" % container['Name']
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dot.node(container_node_id,
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label="<%s>" % label_html,
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shape='component')
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label_html = "%s<br/>%s" % (container['IPv4Address'].split('/')[0], container['IPv6Address'])
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container_iface_id = "iface_%s" % container['IPv4Address']
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dot.node(container_iface_id,
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label="<%s>" % label_html,
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shape='box')
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dot.edge(container_node_id, container_iface_id)
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dot.edge(container_iface_id, net_node_id)
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print
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print dot.source
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dot.render('dng.gv')
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