def _getUuidFromMac(self):
"""
Use the mac address from the system to hash a uuid.
"""
# Read mac address of self.deviceName
if utils.runningInEC2():
self.deviceName = 'eth0'
mac = None
if os.path.exists('/sys/class/net'):
if not self.deviceName:
deviceList = sorted( [ x for x in os.listdir('/sys/class/net')
if x != 'lo' ] )
if deviceList:
self.deviceName = deviceList[0]
mac = open('/sys/class/net/%s/address' % self.deviceName).read().strip()
if not mac:
# Legacy code
if os.path.exists('/sbin/ifconfig'):
logger.warn("No sysfs, falling back to ifconfig command.")
cmd = ['/sbin/ifconfig']
p = subprocess.Popen(cmd, stdout = subprocess.PIPE)
sts = p.wait()
if sts != 0:
raise Exception("Unable to run ifconfig to find mac address"
" for local uuid generation")
lines = p.stdout.read().strip()
# Work around for empty deviceName bug
deviceList = None
if not self.deviceName:
deviceList = sorted([ x.split()[0] for x in lines.split('\n')
if 'lo' not in x and 'HWaddr' in x ])
if deviceList:
self.deviceName = deviceList[0]
matcher = re.compile('^%s.*HWaddr\W(.*)$' % self.deviceName)
for line in lines.split('\n'):
match = matcher.match(line)
if match:
mac = match.groups()[0].strip()
if not mac:
raise Exception("Unable to find mac address for "
"local uuid generation")
mac = mac.lower()
if len(mac) > 16:
mac = mac[-16:]
elif len(mac) < 16:
mac = mac + '0'*(16-len(mac))
return self.asString(mac)
def _getUuidFromMac(self):
"""
Use the mac address from the system to hash a uuid.
"""
# Read mac address of self.deviceName
if utils.runningInEC2():
self.deviceName = 'eth0'
mac = None
if os.path.exists('/sys/class/net'):
if not self.deviceName:
deviceList = sorted( [ x for x in os.listdir('/sys/class/net')
if x != 'lo' ] )
if deviceList:
self.deviceName = deviceList[0]
mac = open('/sys/class/net/%s/address' % self.deviceName).read().strip()
if not mac:
# Legacy code
if os.path.exists('/sbin/ifconfig'):
logger.warn("No sysfs, falling back to ifconfig command.")
cmd = ['/sbin/ifconfig']
p = subprocess.Popen(cmd, stdout = subprocess.PIPE)
sts = p.wait()
if sts != 0:
raise Exception("Unable to run ifconfig to find mac address"
" for local uuid generation")
lines = p.stdout.read().strip()
# Work around for empty deviceName bug
deviceList = None
if not self.deviceName:
deviceList = sorted([ x.split()[0] for x in lines.split('\n')
if 'lo' not in x and 'HWaddr' in x ])
if deviceList:
self.deviceName = deviceList[0]
matcher = re.compile('^%s.*HWaddr\W(.*)$' % self.deviceName)
for line in lines.split('\n'):
match = matcher.match(line)
if match:
mac = match.groups()[0].strip()
if not mac:
raise Exception("Unable to find mac address for "
"local uuid generation")
mac = mac.lower()
if len(mac) > 16:
mac = mac[-16:]
elif len(mac) < 16:
mac = mac + '0'*(16-len(mac))
return self.asString(mac)
def _getEC2InstanceId(cls):
"""
Return the EC2 instance ID if the system is running in EC2
Return None otherwise.
"""
if not utils.runningInEC2():
return None
return cls._readInstanceIdFromEC2()
def _getEC2InstanceId(cls):
"""
Return the EC2 instance ID if the system is running in EC2
Return None otherwise.
"""
if not utils.runningInEC2():
return None
return cls._readInstanceIdFromEC2()
def _getLocalIp(cls, destination):
"""Return my IP address visible to the destination host"""
if utils.runningInEC2():
return cls._getExternalEC2Ip()
if "://" not in destination:
destination = "http://%s" % destination
hostname, port = util.urlSplit(destination, defaultPort=443)[3:5]
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.connect((hostname, int(port)))
ret = s.getsockname()[0]
s.close()
return ret
def _getLocalIp(cls, destination):
"""Return my IP address visible to the destination host"""
if utils.runningInEC2():
return cls._getExternalEC2Ip()
if "://" not in destination:
destination = "http://%s" % destination
hostname, port = util.urlSplit(destination, defaultPort=443)[3:5]
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.connect((hostname, int(port)))
ret = s.getsockname()[0]
s.close()
return ret
def getIpAddresses(self):
if self.ips:
return self.ips
else:
for iface in self.hardware['Linux_IPProtocolEndpoint'].values():
ipv4 = iface['IPv4Address']
if ipv4 is not None and ipv4 not in ('NULL', '127.0.0.1'):
device = iface['Name']
device = device.split('_')
if len(device) > 1:
deviceName = device[1]
else:
deviceName = device[0]
dnsName = self.resolve(ipv4) or ipv4
ip = self.IP(ipv4=ipv4, netmask=iface['SubnetMask'],
device=deviceName, dns_name=dnsName)
self.ips.append(ip)
if utils.runningInEC2():
self.ips.append(self._getExternalEC2Network())
return self.ips
def getIpAddresses(self):
if self.ips:
return self.ips
else:
for iface in self.hardware['Linux_IPProtocolEndpoint'].values():
ipv4 = iface['IPv4Address']
if ipv4 is not None and ipv4 not in ('NULL', '127.0.0.1'):
device = iface['Name']
device = device.split('_')
if len(device) > 1:
deviceName = device[1]
else:
deviceName = device[0]
dnsName = self.resolve(ipv4) or ipv4
ip = self.IP(ipv4=ipv4,
netmask=iface['SubnetMask'],
device=deviceName,
dns_name=dnsName)
self.ips.append(ip)
if utils.runningInEC2():
self.ips.append(self._getExternalEC2Network())
return self.ips
