/usr/lib/python2.7/dist-packages/docker/utils/ports/ports.py is in python-docker 1.9.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 | def add_port_mapping(port_bindings, internal_port, external):
if internal_port in port_bindings:
port_bindings[internal_port].append(external)
else:
port_bindings[internal_port] = [external]
def add_port(port_bindings, internal_port_range, external_range):
if external_range is None:
for internal_port in internal_port_range:
add_port_mapping(port_bindings, internal_port, None)
else:
ports = zip(internal_port_range, external_range)
for internal_port, external_port in ports:
add_port_mapping(port_bindings, internal_port, external_port)
def build_port_bindings(ports):
port_bindings = {}
for port in ports:
internal_port_range, external_range = split_port(port)
add_port(port_bindings, internal_port_range, external_range)
return port_bindings
def to_port_range(port):
if not port:
return None
protocol = ""
if "/" in port:
parts = port.split("/")
if len(parts) != 2:
_raise_invalid_port(port)
port, protocol = parts
protocol = "/" + protocol
parts = str(port).split('-')
if len(parts) == 1:
return ["%s%s" % (port, protocol)]
if len(parts) == 2:
full_port_range = range(int(parts[0]), int(parts[1]) + 1)
return ["%s%s" % (p, protocol) for p in full_port_range]
raise ValueError('Invalid port range "%s", should be '
'port or startport-endport' % port)
def _raise_invalid_port(port):
raise ValueError('Invalid port "%s", should be '
'[[remote_ip:]remote_port[-remote_port]:]'
'port[/protocol]' % port)
def split_port(port):
parts = str(port).split(':')
if not 1 <= len(parts) <= 3:
_raise_invalid_port(port)
if len(parts) == 1:
internal_port, = parts
return to_port_range(internal_port), None
if len(parts) == 2:
external_port, internal_port = parts
internal_range = to_port_range(internal_port)
external_range = to_port_range(external_port)
if internal_range is None or external_range is None:
_raise_invalid_port(port)
if len(internal_range) != len(external_range):
raise ValueError('Port ranges don\'t match in length')
return internal_range, external_range
external_ip, external_port, internal_port = parts
internal_range = to_port_range(internal_port)
external_range = to_port_range(external_port)
if not external_range:
external_range = [None] * len(internal_range)
if len(internal_range) != len(external_range):
raise ValueError('Port ranges don\'t match in length')
return internal_range, [(external_ip, ex_port or None)
for ex_port in external_range]
|