setup: add type and default_ipv{4,6} to linux network facts
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Ahmad Khayyat
parent
498bebd03e
commit
a9ebe9cb2b
1 changed files with 66 additions and 26 deletions
92
setup
92
setup
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@ -434,32 +434,58 @@ class LinuxNetwork(Network):
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Network.__init__(self)
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def populate(self):
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interfaces, ips = self.parse_ip_addr()
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ip_path = self.get_ip_path()
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default_ipv4, default_ipv6 = self.get_default_interfaces(ip_path)
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interfaces, ips = self.get_interfaces_info(ip_path, default_ipv4, default_ipv6)
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self.facts['interfaces'] = interfaces.keys()
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for iface in interfaces:
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self.facts[iface] = interfaces[iface]
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for key in ips:
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self.facts[key] = ips[key]
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self.facts['default_ipv4'] = default_ipv4
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self.facts['default_ipv6'] = default_ipv6
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self.facts['all_ipv4_addresses'] = ips['all_ipv4_addresses']
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self.facts['all_ipv6_addresses'] = ips['all_ipv6_addresses']
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return self.facts
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def parse_ip_addr(self):
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interfaces = {}
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ips = dict(
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all_ipv4_addresses = [],
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all_ipv6_addresses = [],
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ipv4_address = None,
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ipv6_address = None
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def get_ip_path(self):
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paths = ['/sbin/ip', '/usr/sbin/ip']
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ip_path = None
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for path in paths:
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if os.path.exists(path):
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ip_path = path
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break
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return ip_path
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def get_default_interfaces(self, ip_path):
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# Use the commands:
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# ip -4 route get 8.8.8.8 -> Google public DNS
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# ip -6 route get 2404:6800:400a:800::1012 -> ipv6.google.com
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# to find out the default outgoing interface, address, and gateway
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command = dict(
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v4 = [ip_path, '-4', 'route', 'get', '8.8.8.8'],
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v6 = [ip_path, '-6', 'route', 'get', '2404:6800:400a:800::1012']
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)
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ipbin = '/sbin/ip'
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if not os.path.exists(ipbin):
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if os.path.exists('/usr/sbin/ip'):
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ipbin = '/usr/sbin/ip'
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else:
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return interfaces, ips
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output = subprocess.Popen([ipbin, 'addr', 'show'], stdout=subprocess.PIPE).communicate()[0]
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interface = dict(v4 = {}, v6 = {})
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for v in 'v4', 'v6':
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output = subprocess.Popen(command[v], stdout=subprocess.PIPE).communicate()[0]
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words = output.split('\n')[0].split()
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# A valid output starts with the queried address on the first line
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if words[0] == command[v][-1]:
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for i in range(len(words) - 1):
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if words[i] == 'dev':
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interface[v]['interface'] = words[i+1]
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elif words[i] == 'src':
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interface[v]['address'] = words[i+1]
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elif words[i] == 'via' and words[i+1] != command[v][-1]:
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interface[v]['gateway'] = words[i+1]
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return interface['v4'], interface['v6']
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def get_interfaces_info(self, ip_path, default_ipv4, default_ipv6):
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interfaces = {}
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ips = dict(
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all_ipv4_addresses = [],
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all_ipv6_addresses = [],
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)
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output = subprocess.Popen([ip_path, 'addr', 'show'], stdout=subprocess.PIPE).communicate()[0]
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for line in output.split('\n'):
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if line:
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words = line.split()
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@ -486,22 +512,30 @@ class LinuxNetwork(Network):
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# interface name for each address
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if iface in interfaces:
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i = 0
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while '{0}:{1}'.format(iface, i) in interfaces:
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while '{0}_{1}'.format(iface, i) in interfaces:
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i += 1
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iface = '{0}:{1}'.format(iface, i)
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iface = '{0}_{1}'.format(iface, i)
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interfaces[iface] = {}
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interfaces[iface]['macaddress'] = macaddress
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interfaces[iface]['mtu'] = mtu
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interfaces[iface]['type'] = iface_type
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interfaces[iface]['device'] = device
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interfaces[iface]['ipv4'] = {'address': address,
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'netmask': netmask,
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'network': network}
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# If this is the default address, update default_ipv4
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if 'address' in default_ipv4 and default_ipv4['address'] == address:
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default_ipv4['netmask'] = netmask
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default_ipv4['network'] = network
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default_ipv4['macaddress'] = macaddress
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default_ipv4['mtu'] = mtu
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default_ipv4['type'] = iface_type
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default_ipv4['alias'] = words[-1]
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if not address.startswith('127.'):
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ips['all_ipv4_addresses'].append(address)
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if not ips['ipv4_address'] or ips['ipv4_address'].startswith('127.'):
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ips['ipv4_address'] = address
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elif words[0] == 'inet6':
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address, prefix = words[1].split('/')
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@ -520,10 +554,16 @@ class LinuxNetwork(Network):
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'prefix': prefix,
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'scope': scope} )
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# If this is the default address, update default_ipv6
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if 'address' in default_ipv6 and default_ipv6['address'] == address:
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default_ipv6['prefix'] = prefix
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default_ipv6['scope'] = scope
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default_ipv6['macaddress'] = macaddress
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default_ipv6['mtu'] = mtu
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default_ipv6['type'] = iface_type
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if not address == '::1':
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ips['all_ipv6_addresses'].append(address)
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if not ips['ipv6_address'] or ips['ipv6_address'] == '::1':
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ips['ipv6_address'] = address
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return interfaces, ips
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