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Merge branch 'setup_network2' of git://github.com/nigelm/ansible into devel

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Michael DeHaan 2013-03-01 16:25:25 -05:00
commit ae83ebf365
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setup
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@ -944,6 +944,221 @@ class LinuxNetwork(Network):
return interfaces, ips
class GenericBsdIfconfigNetwork(Network):
"""
This is a generic BSD subclass of Network using the ifconfig command.
It defines
- interfaces (a list of interface names)
- interface_<name> dictionary of ipv4, ipv6, and mac address information.
- all_ipv4_addresses and all_ipv6_addresses: lists of all configured addresses.
It currently does not define
- default_ipv4 and default_ipv6
- type, mtu and network on interfaces
"""
platform = 'Generic_BSD_Ifconfig'
def __init__(self):
Network.__init__(self)
def populate(self):
ifconfig_path = module.get_bin_path('ifconfig')
if ifconfig_path is None:
return self.facts
route_path = module.get_bin_path('route')
if route_path is None:
return self.facts
default_ipv4, default_ipv6 = self.get_default_interfaces(route_path)
interfaces, ips = self.get_interfaces_info(ifconfig_path)
self.merge_default_interface(default_ipv4, interfaces, 'ipv4')
self.merge_default_interface(default_ipv6, interfaces, 'ipv6')
self.facts['interfaces'] = interfaces.keys()
for iface in interfaces:
self.facts[iface] = interfaces[iface]
self.facts['default_ipv4'] = default_ipv4
self.facts['default_ipv6'] = default_ipv6
self.facts['all_ipv4_addresses'] = ips['all_ipv4_addresses']
self.facts['all_ipv6_addresses'] = ips['all_ipv6_addresses']
return self.facts
def get_default_interfaces(self, route_path):
# Use the commands:
# route -n get 8.8.8.8 -> Google public DNS
# route -n get 2404:6800:400a:800::1012 -> ipv6.google.com
# to find out the default outgoing interface, address, and gateway
command = dict(
v4 = [route_path, '-n', 'get', '8.8.8.8'],
v6 = [route_path, '-n', 'get', '2404:6800:400a:800::1012']
)
interface = dict(v4 = {}, v6 = {})
for v in 'v4', 'v6':
if v == 'v6' and not socket.has_ipv6:
continue
rc, out, err = module.run_command(command[v])
if not out:
# v6 routing may result in
# RTNETLINK answers: Invalid argument
continue
lines = out.split('\n')
for line in lines:
words = line.split()
# look for first word starting interface
if len(words) > 0 and words[0] == 'interface:':
interface[v]['interface'] = words[1]
return interface['v4'], interface['v6']
def get_interfaces_info(self, ifconfig_path):
interfaces = {}
current_if = {}
ips = dict(
all_ipv4_addresses = [],
all_ipv6_addresses = [],
)
rc, out, err = module.run_command([ifconfig_path])
for line in out.split('\n'):
if line:
words = line.split()
if re.match('^\S', line) and len(words) > 3:
current_if = self.parse_interface_line(words)
interfaces[ current_if['device'] ] = current_if
elif words[0].startswith('options='):
self.parse_options_line(words, current_if, ips)
elif words[0] == 'nd6':
self.parse_nd6_line(words, current_if, ips)
elif words[0] == 'ether':
self.parse_ether_line(words, current_if, ips)
elif words[0] == 'media:':
self.parse_media_line(words, current_if, ips)
elif words[0] == 'status:':
self.parse_status_line(words, current_if, ips)
elif words[0] == 'lladdr':
self.parse_lladdr_line(words, current_if, ips)
elif words[0] == 'inet':
self.parse_inet_line(words, current_if, ips)
elif words[0] == 'inet6':
self.parse_inet6_line(words, current_if, ips)
else:
self.parse_unknown_line(words, current_if, ips)
return interfaces, ips
def parse_interface_line(self, words):
device = words[0][0:-1]
current_if = {'device': device, 'ipv4': [], 'ipv6': [], 'type': 'unknown'}
current_if['flags'] = self.get_options(words[1])
current_if['mtu'] = words[3]
current_if['macaddress'] = 'unknown' # will be overwritten later
return current_if
def parse_options_line(self, words, current_if, ips):
# Mac has options like this...
current_if['options'] = self.get_options(words[0])
def parse_nd6_line(self, words, current_if, ips):
# FreBSD has options like this...
current_if['options'] = self.get_options(words[1])
def parse_ether_line(self, words, current_if, ips):
current_if['macaddress'] = words[1]
def parse_media_line(self, words, current_if, ips):
# not sure if this is useful - we also drop information
current_if['media'] = words[1]
if len(words) > 2:
current_if['media_select'] = words[2]
if len(words) > 3:
current_if['media_type'] = words[3][1:]
if len(words) > 4:
current_if['media_options'] = self.get_options(words[4])
def parse_status_line(self, words, current_if, ips):
current_if['status'] = words[1]
def parse_lladdr_line(self, words, current_if, ips):
current_if['lladdr'] = words[1]
def parse_inet_line(self, words, current_if, ips):
address = {'address': words[1]}
# deal with hex netmask
if words[3].startswith('0x'):
address['netmask'] = socket.inet_ntoa(struct.pack('!L', int(words[3], base=16)))
else:
# otherwise assume this is a dotted quad
address['netmask'] = words[3]
# calculate the network
address_bin = struct.unpack('!L', socket.inet_aton(address['address']))[0]
netmask_bin = struct.unpack('!L', socket.inet_aton(address['netmask']))[0]
address['network'] = socket.inet_ntoa(struct.pack('!L', address_bin & netmask_bin))
# broadcast may be given or we need to calculate
if len(words) > 5:
address['broadcast'] = words[5]
else:
address['broadcast'] = socket.inet_ntoa(struct.pack('!L', address_bin | (~netmask_bin & 0xffffffff)))
# add to our list of addresses
if not words[1].startswith('127.'):
ips['all_ipv4_addresses'].append(address['address'])
current_if['ipv4'].append(address)
def parse_inet6_line(self, words, current_if, ips):
address = {'address': words[1]}
if (len(words) >= 4) and (words[2] == 'prefixlen'):
address['prefix'] = words[3]
if (len(words) >= 6) and (words[4] == 'scopeid'):
address['scope'] = words[5]
if not address['address'] == '::1' and not address['address'] == 'fe80::1%lo0':
ips['all_ipv6_addresses'].append(address['address'])
current_if['ipv6'].append(address)
def parse_unknown_line(self, words, current_if, ips):
# we are going to ignore unknown lines here - this may be
# a bad idea - but you can override it in your subclass
pass
def get_options(self, option_string):
start = option_string.find('<') + 1
end = option_string.rfind('>')
if (start > 0) and (end > 0) and (end > start + 1):
option_csv = option_string[start:end]
return option_csv.split(',')
else:
return []
def merge_default_interface(self, defaults, interfaces, ip_type):
if not 'interface' in defaults.keys():
return
ifinfo = interfaces[defaults['interface']]
# copy all the interface values across except addresses
for item in ifinfo.keys():
if item != 'ipv4' and item != 'ipv6':
defaults[item] = ifinfo[item]
if len(ifinfo[ip_type]) > 0:
for item in ifinfo[ip_type][0].keys():
defaults[item] = ifinfo[ip_type][0][item]
class DarwinNetwork(GenericBsdIfconfigNetwork, Network):
"""
This is the Mac OS X/Darwin Network Class.
It uses the GenericBsdIfconfigNetwork unchanged
"""
platform = 'Darwin'
# media line is different to the default FreeBSD one
def parse_media_line(self, words, current_if, ips):
# not sure if this is useful - we also drop information
current_if['media'] = 'Unknown' # Mac does not give us this
current_if['media_select'] = words[1]
if len(words) > 2:
current_if['media_type'] = words[2][1:]
if len(words) > 3:
current_if['media_options'] = self.get_options(words[3])
class FreeBSDNetwork(GenericBsdIfconfigNetwork, Network):
"""
This is the FreeBSD Network Class.
It uses the GenericBsdIfconfigNetwork unchanged
"""
platform = 'FreeBSD'
class Virtual(Facts):
"""
This is a generic Virtual subclass of Facts. This should be further