def get_host_interfaces(self, include_namespaces=False):
"""Returns a list of all interfaces on the host including ones found in
namespaces created with ip netns.
"""
_interfaces = []
_interfaces += self._get_interface_names(cli_helpers.get_ip_addr())
if not include_namespaces:
return _interfaces
for ns in cli_helpers.get_ip_netns():
ns_name = ns.partition(" ")[0]
_interfaces += self._get_interface_names(
cli_helpers.get_ip_addr(namespace=ns_name))
return _interfaces
def host_interface_exists(self, iface, check_namespaces=True):
_interfaces = self._get_interface_names(cli_helpers.get_ip_addr())
if iface in _interfaces:
return True
if not check_namespaces:
return False
for ns in cli_helpers.get_ip_netns():
interfaces = self._get_interface_names(
cli_helpers.get_ip_addr(namespace=ns))
if iface in interfaces:
return True
return False
def get_network_info(self):
ip_addr_output = cli_helpers.get_ip_addr()
if not ip_addr_output:
sys.exit(0)
cni_type = "flannel"
iface = None
for i, line in enumerate(ip_addr_output):
if cni_type in line:
if cni_type not in NETWORK_INFO:
NETWORK_INFO[cni_type] = {}
ret = re.compile(
r".+({}\.[0-9]+):".format(cni_type)).match(line)
if ret:
iface = ret[1]
NETWORK_INFO[cni_type][iface] = {}
continue
if iface:
ret = re.compile(r".+\s+([0-9\.]+/[0-9]+).+\s+{}$".format(
iface)).match(line)
if iface in ip_addr_output[i - 3] and ret:
NETWORK_INFO[cni_type][iface]["addr"] = ret[1]
iface = None
ret = re.compile(
r"^\s+vxlan id .+\s+(\S+)\s+dev\s+([0-9a-z]+).+").match(line)
if cni_type in NETWORK_INFO and ret:
iface_info = "{}@{}".format(ret[1], ret[2])
NETWORK_INFO[cni_type][iface]["vxlan"] = iface_info
def test_get_ip_addr(self, mock_subprocess):
path = os.path.join(os.environ["DATA_ROOT"],
"sos_commands/networking/ip_-d_address")
with open(path, 'r') as fd:
out = fd.readlines()
ret = cli_helpers.get_ip_addr()
self.assertEquals(ret, out)
self.assertFalse(mock_subprocess.called)
def _find_interface_name_by_ip_address(self, ip_address):
"""Lookup interface by name in ip addr show"""
iface = None
lines = cli_helpers.get_ip_addr()
a = self._find_line(r".+{}.+".format(ip_address), lines)
while True:
ret = re.compile(r"^[0-9]+:\s+(\S+):\s+.+").match(lines[a])
if ret:
iface = ret[1]
break
a = a - 1
return iface