from robot.api import logger
from resources.libraries.python.ssh import SSH
+from resources.libraries.python.IPUtil import convert_ipv4_netmask_prefix
from resources.libraries.python.ssh import exec_cmd_no_error
from resources.libraries.python.topology import NodeType, Topology
from resources.libraries.python.VatExecutor import VatExecutor, VatTerminal
return data
+ @staticmethod
+ def vpp_get_interface_ip_addresses(node, interface, ip_version):
+ """Get list of IP addresses from an interface on a VPP node.
+
+ :param node: VPP node to get data from.
+ :param interface: Name of an interface on the VPP node.
+ :param ip_version: IP protocol version (ipv4 or ipv6).
+ :type node: dict
+ :type interface: str
+ :type ip_version: str
+ :return: List of dictionaries, each containing IP address, subnet
+ prefix length and also the subnet mask for ipv4 addresses.
+ Note: A single interface may have multiple IP addresses assigned.
+ :rtype: list
+ """
+ sw_if_index = Topology.get_interface_sw_index(node, interface)
+
+ with VatTerminal(node) as vat:
+ response = vat.vat_terminal_exec_cmd_from_template(
+ "ip_address_dump.vat", ip_version=ip_version,
+ sw_if_index=sw_if_index)
+
+ data = response[0]
+
+ if ip_version == "ipv4":
+ for item in data:
+ item["netmask"] = convert_ipv4_netmask_prefix(
+ item["prefix_length"])
+ return data
+
@staticmethod
def tg_set_interface_driver(node, pci_addr, driver):
"""Set interface driver on the TG node.
else:
raise RuntimeError('Unable to create VXLAN interface on node {}'
.format(node))
+
+ @staticmethod
+ def vxlan_dump(node, interface=None):
+ """Get VxLAN data for the given interface.
+
+ :param node: VPP node to get interface data from.
+ :param interface: Numeric index or name string of a specific interface.
+ If None, information about all VxLAN interfaces is returned.
+ :type node: dict
+ :type interface: int or str
+ :return: Dictionary containing data for the given VxLAN interface or if
+ interface=None, the list of dictionaries with all VxLAN interfaces.
+ :rtype dict or list
+ """
+ param = "sw_if_index"
+ if interface is None:
+ param = ''
+ sw_if_index = ''
+ elif isinstance(interface, basestring):
+ sw_if_index = Topology.get_interface_sw_index(node, interface)
+ elif isinstance(interface, int):
+ sw_if_index = interface
+ else:
+ raise Exception("Wrong interface format {0}".format(interface))
+
+ with VatTerminal(node) as vat:
+ response = vat.vat_terminal_exec_cmd_from_template(
+ "vxlan_dump.vat", param=param, sw_if_index=sw_if_index)
+
+ if sw_if_index:
+ for vxlan in response[0]:
+ if vxlan["sw_if_index"] == sw_if_index:
+ return vxlan
+ return {}
+ return response[0]
+
+ @staticmethod
+ def create_subinterface(node, interface, sub_id, outer_vlan_id,
+ inner_vlan_id, type_subif):
+ """Create sub-interface on node.
+
+ :param node: Node to add sub-interface.
+ :param interface: Interface name on which create sub-interface.
+ :param sub_id: ID of the sub-interface to be created.
+ :param outer_vlan_id: Outer VLAN ID.
+ :param inner_vlan_id: Inner VLAN ID.
+ :param type_subif: Type of sub-interface.
+ :type node: dict
+ :type interface: str or int
+ :type sub_id: int
+ :type outer_vlan_id: int
+ :type inner_vlan_id: int
+ :type type_subif: str
+ :return: name and index of created sub-interface
+ :rtype: tuple
+ """
+
+ if isinstance(interface, basestring):
+ sw_if_index = Topology.get_interface_sw_index(node, interface)
+ else:
+ sw_if_index = interface
+
+ output = VatExecutor.cmd_from_template(node, "create_sub_interface.vat",
+ sw_if_index=sw_if_index,
+ sub_id=sub_id,
+ outer_vlan_id=outer_vlan_id,
+ inner_vlan_id=inner_vlan_id,
+ type_subif=type_subif)
+
+ if output[0]["retval"] == 0:
+ sw_subif_index = output[0]["sw_if_index"]
+ logger.trace('Created subinterface with index {}'
+ .format(sw_subif_index))
+ else:
+ raise RuntimeError('Unable to create subinterface on node {}'
+ .format(node['host']))
+
+ with VatTerminal(node) as vat:
+ vat.vat_terminal_exec_cmd('exec show interfaces')
+
+ name = '{}.{}'.format(interface, sub_id)
+ return name, sw_subif_index
+
+ @staticmethod
+ def create_gre_tunnel_interface(node, source_ip, destination_ip):
+ """Create GRE tunnel interface on node.
+
+ :param node: VPP node to add tunnel interface.
+ :param source_ip: Source of the GRE tunnel.
+ :param destination_ip: Destination of the GRE tunnel.
+ :type node: dict
+ :type source_ip: str
+ :type destination_ip: str
+ :return: Name and index of created GRE tunnel interface.
+ :rtype: tuple
+ :raises RuntimeError: If unable to create GRE tunnel interface.
+ """
+ output = VatExecutor.cmd_from_template(node, "create_gre.vat",
+ src=source_ip,
+ dst=destination_ip)
+ output = output[0]
+
+ if output["retval"] == 0:
+ sw_if_index = output["sw_if_index"]
+
+ vat_executor = VatExecutor()
+ vat_executor.execute_script_json_out("dump_interfaces.vat", node)
+ interface_dump_json = vat_executor.get_script_stdout()
+ name = VatJsonUtil.get_interface_name_from_json(
+ interface_dump_json, sw_if_index)
+ return name, sw_if_index
+ else:
+ raise RuntimeError('Unable to create GRE tunnel on node {}.'
+ .format(node))
+
+ @staticmethod
+ def vpp_create_loopback(node):
+ """Create loopback interface on VPP node.
+
+ :param node: Node to create loopback interface on.
+ :type node: dict
+ :return: SW interface index.
+ :rtype: int
+ """
+ out = VatExecutor.cmd_from_template(node, "create_loopback.vat")
+ if out[0].get('retval') == 0:
+ return out[0].get('sw_if_index')
+ else:
+ raise RuntimeError('Create loopback failed on node "{}"'
+ .format(node['host']))
+
+ @staticmethod
+ def vpp_enable_input_acl_interface(node, interface, ip_version,
+ table_index):
+ """Enable input acl on interface.
+
+ :param node: VPP node to setup interface for input acl.
+ :param interface: Interface to setup input acl.
+ :param ip_version: Version of IP protocol.
+ :param table_index: Classify table index.
+ :type node: dict
+ :type interface: str or int
+ :type ip_version: str
+ :type table_index: int
+ """
+ if isinstance(interface, basestring):
+ sw_if_index = Topology.get_interface_sw_index(node, interface)
+ else:
+ sw_if_index = interface
+
+ with VatTerminal(node) as vat:
+ vat.vat_terminal_exec_cmd_from_template("input_acl_int.vat",
+ sw_if_index=sw_if_index,
+ ip_version=ip_version,
+ table_index=table_index)