def list_iptables(version=constants.IP_VERSION_4, namespace=None):
cmd = ''
if namespace:
cmd = 'sudo ip netns exec %s ' % namespace
cmd += ('iptables-save' if version == constants.IP_VERSION_4 else
'ip6tables-save')
return shell.execute(cmd).stdout
def get_ncat_version(ssh_client=None):
cmd = "ncat --version 2>&1"
try:
version_result = shell.execute(cmd, ssh_client=ssh_client).stdout
except exceptions.ShellCommandFailed:
m = None
else:
m = re.match(r"Ncat: Version ([\d.]+) *.", version_result)
# NOTE(slaweq): by default lets assume we have ncat 7.60 which is in Ubuntu
# 18.04 which is used on u/s gates
return distutils.version.StrictVersion(m.group(1) if m else '7.60')
def arp_table(namespace=None):
# 192.168.0.16 0x1 0x2 dc:a6:32:06:56:51 * enp0s31f6
regex_str = (r"([^ ]+)\s+(0x\d+)\s+(0x\d+)\s+(\w{2}\:\w{2}\:\w{2}\:\w{2}\:"
r"\w{2}\:\w{2})\s+([\w+\*]+)\s+([\-\w]+)")
regex = re.compile(regex_str)
arp_table = []
cmd = ""
if namespace:
cmd = "sudo ip netns exec %s " % namespace
cmd += "cat /proc/net/arp"
arp_entries = shell.execute(cmd).stdout.split("\n")
for line in arp_entries:
m = regex.match(line)
if m:
arp_table.append(ARPregister(
ip_address=m.group(1), hw_type=m.group(2),
flags=m.group(3), mac_address=m.group(4),
mask=m.group(5), device=m.group(6)))
return arp_table
def execute(self, obj, *command):
command_line = self.get_command(obj, *command)
return shell.execute(command_line, ssh_client=self.ssh_client,
timeout=self.timeout).stdout
def list_listening_sockets(namespace=None):
cmd = ''
if namespace:
cmd = 'sudo ip netns exec %s ' % namespace
cmd += 'netstat -nlp'
return shell.execute(cmd).stdout
