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Merge pull request #866 from akhayyat/devel

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setup: add type and default_ipv{4,6} to linux network facts
This commit is contained in:
Michael DeHaan 2012-08-14 16:19:14 -07:00
commit 731adc0eaf
1 changed files with 66 additions and 26 deletions
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92
library/setup
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@ -434,32 +434,58 @@ class LinuxNetwork(Network):
Network.__init__(self)
def populate(self):
interfaces, ips = self.parse_ip_addr()
ip_path = self.get_ip_path()
default_ipv4, default_ipv6 = self.get_default_interfaces(ip_path)
interfaces, ips = self.get_interfaces_info(ip_path, default_ipv4, default_ipv6)
self.facts['interfaces'] = interfaces.keys()
for iface in interfaces:
self.facts[iface] = interfaces[iface]
for key in ips:
self.facts[key] = ips[key]
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 parse_ip_addr(self):
interfaces = {}
ips = dict(
all_ipv4_addresses = [],
all_ipv6_addresses = [],
ipv4_address = None,
ipv6_address = None
def get_ip_path(self):
paths = ['/sbin/ip', '/usr/sbin/ip']
ip_path = None
for path in paths:
if os.path.exists(path):
ip_path = path
break
return ip_path
def get_default_interfaces(self, ip_path):
# Use the commands:
# ip -4 route get 8.8.8.8 -> Google public DNS
# ip -6 route get 2404:6800:400a:800::1012 -> ipv6.google.com
# to find out the default outgoing interface, address, and gateway
command = dict(
v4 = [ip_path, '-4', 'route', 'get', '8.8.8.8'],
v6 = [ip_path, '-6', 'route', 'get', '2404:6800:400a:800::1012']
)
ipbin = '/sbin/ip'
if not os.path.exists(ipbin):
if os.path.exists('/usr/sbin/ip'):
ipbin = '/usr/sbin/ip'
else:
return interfaces, ips
output = subprocess.Popen([ipbin, 'addr', 'show'], stdout=subprocess.PIPE).communicate()[0]
interface = dict(v4 = {}, v6 = {})
for v in 'v4', 'v6':
output = subprocess.Popen(command[v], stdout=subprocess.PIPE).communicate()[0]
words = output.split('\n')[0].split()
# A valid output starts with the queried address on the first line
if words[0] == command[v][-1]:
for i in range(len(words) - 1):
if words[i] == 'dev':
interface[v]['interface'] = words[i+1]
elif words[i] == 'src':
interface[v]['address'] = words[i+1]
elif words[i] == 'via' and words[i+1] != command[v][-1]:
interface[v]['gateway'] = words[i+1]
return interface['v4'], interface['v6']
def get_interfaces_info(self, ip_path, default_ipv4, default_ipv6):
interfaces = {}
ips = dict(
all_ipv4_addresses = [],
all_ipv6_addresses = [],
)
output = subprocess.Popen([ip_path, 'addr', 'show'], stdout=subprocess.PIPE).communicate()[0]
for line in output.split('\n'):
if line:
words = line.split()
@ -486,22 +512,30 @@ class LinuxNetwork(Network):
# interface name for each address
if iface in interfaces:
i = 0
while '{0}:{1}'.format(iface, i) in interfaces:
while '{0}_{1}'.format(iface, i) in interfaces:
i += 1
iface = '{0}:{1}'.format(iface, i)
iface = '{0}_{1}'.format(iface, i)
interfaces[iface] = {}
interfaces[iface]['macaddress'] = macaddress
interfaces[iface]['mtu'] = mtu
interfaces[iface]['type'] = iface_type
interfaces[iface]['device'] = device
interfaces[iface]['ipv4'] = {'address': address,
'netmask': netmask,
'network': network}
# If this is the default address, update default_ipv4
if 'address' in default_ipv4 and default_ipv4['address'] == address:
default_ipv4['netmask'] = netmask
default_ipv4['network'] = network
default_ipv4['macaddress'] = macaddress
default_ipv4['mtu'] = mtu
default_ipv4['type'] = iface_type
default_ipv4['alias'] = words[-1]
if not address.startswith('127.'):
ips['all_ipv4_addresses'].append(address)
if not ips['ipv4_address'] or ips['ipv4_address'].startswith('127.'):
ips['ipv4_address'] = address
elif words[0] == 'inet6':
address, prefix = words[1].split('/')
@ -520,10 +554,16 @@ class LinuxNetwork(Network):
'prefix': prefix,
'scope': scope} )
# If this is the default address, update default_ipv6
if 'address' in default_ipv6 and default_ipv6['address'] == address:
default_ipv6['prefix'] = prefix
default_ipv6['scope'] = scope
default_ipv6['macaddress'] = macaddress
default_ipv6['mtu'] = mtu
default_ipv6['type'] = iface_type
if not address == '::1':
ips['all_ipv6_addresses'].append(address)
if not ips['ipv6_address'] or ips['ipv6_address'] == '::1':
ips['ipv6_address'] = address
return interfaces, ips