X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FInterfaceUtil.py;h=e43935eb7bf032afa4d006f7e4401019d7877fa4;hp=503715c6dd7309e50516534859cbaf6d8a037607;hb=b4e5c717f5e2c39ded81f0c6f7b0f9f61945befd;hpb=7bfb36dfd9284bbca10881e31e14108c7d468b7c diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py index 503715c6dd..e43935eb7b 100644 --- a/resources/libraries/python/InterfaceUtil.py +++ b/resources/libraries/python/InterfaceUtil.py @@ -1,4 +1,4 @@ -# Copyright (c) 2016 Cisco and/or its affiliates. +# Copyright (c) 2018 Cisco and/or its affiliates. # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at: @@ -19,6 +19,7 @@ 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.DUTSetup import DUTSetup 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 @@ -67,9 +68,9 @@ class InterfaceUtil(object): if node['type'] == NodeType.DUT: if state == 'up': - state = 'admin-up' + state = 'admin-up link-up' elif state == 'down': - state = 'admin-down' + state = 'admin-down link-down' else: raise ValueError('Unexpected interface state: {}'.format(state)) VatExecutor.cmd_from_template(node, 'set_if_state.vat', @@ -122,7 +123,54 @@ class InterfaceUtil(object): InterfaceUtil.set_interface_ethernet_mtu(node, ifc, 1500) @staticmethod - def vpp_node_interfaces_ready_wait(node, timeout=10): + def vpp_set_interface_mtu(node, interface, mtu=9200): + """Set Ethernet MTU on interface. + + :param node: VPP node. + :param interface: Interface to setup MTU. Default: 9200. + :param mtu: Ethernet MTU size in Bytes. + :type node: dict + :type interface: str or int + :type mtu: int + """ + if isinstance(interface, basestring): + sw_if_index = Topology.get_interface_sw_index(node, interface) + else: + sw_if_index = interface + + if sw_if_index: + with VatTerminal(node, json_param=False) as vat: + vat.vat_terminal_exec_cmd_from_template( + "hw_interface_set_mtu.vat", sw_if_index=sw_if_index, + mtu=mtu) + + @staticmethod + def vpp_set_interfaces_mtu_on_node(node, mtu=9200): + """Set Ethernet MTU on all interfaces. + + :param node: VPP node. + :param mtu: Ethernet MTU size in Bytes. Default: 9200. + :type node: dict + :type mtu: int + """ + for interface in node['interfaces']: + InterfaceUtil.vpp_set_interface_mtu(node, interface, mtu) + + @staticmethod + def vpp_set_interfaces_mtu_on_all_duts(nodes, mtu=9200): + """Set Ethernet MTU on all interfaces on all DUTs. + + :param nodes: VPP nodes. + :param mtu: Ethernet MTU size in Bytes. Default: 9200. + :type nodes: dict + :type mtu: int + """ + for node in nodes.values(): + if node['type'] == NodeType.DUT: + InterfaceUtil.vpp_set_interfaces_mtu_on_node(node, mtu) + + @staticmethod + def vpp_node_interfaces_ready_wait(node, timeout=30): """Wait until all interfaces with admin-up are in link-up state. :param node: Node to wait on. @@ -130,7 +178,7 @@ class InterfaceUtil(object): :type node: dict :type timeout: int :returns: Nothing. - :raises: RuntimeError if the timeout period value has elapsed. + :raises RuntimeError: If the timeout period value has elapsed. """ if_ready = False not_ready = [] @@ -157,7 +205,7 @@ class InterfaceUtil(object): sleep(1) @staticmethod - def vpp_nodes_interfaces_ready_wait(nodes, timeout=10): + def vpp_nodes_interfaces_ready_wait(nodes, timeout=30): """Wait until all interfaces with admin-up are in link-up state for listed nodes. @@ -171,7 +219,7 @@ class InterfaceUtil(object): InterfaceUtil.vpp_node_interfaces_ready_wait(node, timeout) @staticmethod - def all_vpp_interfaces_ready_wait(nodes, timeout=10): + def all_vpp_interfaces_ready_wait(nodes, timeout=30): """Wait until all interfaces with admin-up are in link-up state for all nodes in the topology. @@ -196,10 +244,10 @@ class InterfaceUtil(object): :type node: dict :type interface: int or str :returns: List of dictionaries containing data for each interface, or a - single dictionary for the specified interface. + single dictionary for the specified interface. :rtype: list or dict :raises TypeError: if the data type of interface is neither basestring - nor int. + nor int. """ with VatTerminal(node) as vat: response = vat.vat_terminal_exec_cmd_from_template( @@ -279,8 +327,8 @@ class InterfaceUtil(object): :type interface: str :type ip_version: str :returns: 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. + prefix length and also the subnet mask for ipv4 addresses. + Note: A single interface may have multiple IP addresses assigned. :rtype: list """ @@ -316,7 +364,6 @@ class InterfaceUtil(object): :type node: dict :type pci_addr: str :type driver: str - :returns: None. :raises RuntimeError: If unbinding from the current driver fails. :raises RuntimeError: If binding to the new driver fails. """ @@ -354,52 +401,9 @@ class InterfaceUtil(object): :type pci_addr: str :returns: Interface driver or None if not found. :rtype: str - :raises RuntimeError: If it is not possible to get the interface driver - information from the node. - - .. note:: - # lspci -vmmks 0000:00:05.0 - Slot: 00:05.0 - Class: Ethernet controller - Vendor: Red Hat, Inc - Device: Virtio network device - SVendor: Red Hat, Inc - SDevice: Device 0001 - PhySlot: 5 - Driver: virtio-pci + :raises RuntimeError: If PCI rescan or lspci command execution failed. """ - ssh = SSH() - ssh.connect(node) - - for i in range(3): - logger.trace('Try {}: Get interface driver'.format(i)) - cmd = 'sh -c "echo 1 > /sys/bus/pci/rescan"' - (ret_code, _, _) = ssh.exec_command_sudo(cmd) - if int(ret_code) != 0: - raise RuntimeError("'{0}' failed on '{1}'" - .format(cmd, node['host'])) - - cmd = 'lspci -vmmks {0}'.format(pci_addr) - (ret_code, stdout, _) = ssh.exec_command(cmd) - if int(ret_code) != 0: - raise RuntimeError("'{0}' failed on '{1}'" - .format(cmd, node['host'])) - - for line in stdout.splitlines(): - if len(line) == 0: - continue - try: - (name, value) = line.split("\t", 1) - except ValueError: - if name != "Driver:": - pass - else: - return None - if name == 'Driver:': - return value if value else None - else: - raise RuntimeError('Get interface driver for: {0}' - .format(pci_addr)) + return DUTSetup.get_pci_dev_driver(node, pci_addr) @staticmethod def tg_set_interfaces_udev_rules(node): @@ -517,10 +521,6 @@ class InterfaceUtil(object): def update_tg_interface_data_on_node(node): """Update interface name for TG/linux node in DICT__nodes. - :param node: Node selected from DICT__nodes. - :type node: dict - :raises RuntimeError: If getting of interface name and MAC fails. - .. note:: # for dev in `ls /sys/class/net/`; > do echo "\"`cat /sys/class/net/$dev/address`\": \"$dev\""; done @@ -529,7 +529,11 @@ class InterfaceUtil(object): "52:54:00:e1:8a:0f": "eth2" "00:00:00:00:00:00": "lo" - .. todo:: parse lshw -json instead + .. note:: TODO: parse lshw -json instead + + :param node: Node selected from DICT__nodes. + :type node: dict + :raises RuntimeError: If getting of interface name and MAC fails. """ # First setup interface driver specified in yaml file InterfaceUtil.tg_set_interfaces_default_driver(node) @@ -646,7 +650,7 @@ class InterfaceUtil(object): :returns: Name and index of created subinterface. :rtype: tuple :raises RuntimeError: if it is unable to create VLAN subinterface on the - node. + node. """ iface_key = Topology.get_interface_by_name(node, interface) sw_if_index = Topology.get_interface_sw_index(node, iface_key) @@ -690,7 +694,7 @@ class InterfaceUtil(object): :returns: SW IF INDEX of created interface. :rtype: int :raises RuntimeError: if it is unable to create VxLAN interface on the - node. + node. """ output = VatExecutor.cmd_from_template(node, "vxlan_create.vat", src=source_ip, @@ -715,14 +719,14 @@ class InterfaceUtil(object): :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. + If None, information about all VxLAN interfaces is returned. :type node: dict :type interface: int or str :returns: Dictionary containing data for the given VxLAN interface or if - interface=None, the list of dictionaries with all VxLAN interfaces. + interface=None, the list of dictionaries with all VxLAN interfaces. :rtype: dict or list :raises TypeError: if the data type of interface is neither basestring - nor int. + nor int. """ param = "sw_if_index" if interface is None: @@ -771,7 +775,7 @@ class InterfaceUtil(object): :type node: dict :type name: str :returns: Dictionary of information about a specific TAP interface, or - a List of dictionaries containing all TAP data for the given node. + a List of dictionaries containing all TAP data for the given node. :rtype: dict or list """ with VatTerminal(node) as vat: @@ -779,11 +783,10 @@ class InterfaceUtil(object): "tap_dump.vat") if name is None: return response[0] - else: - for item in response[0]: - if name == item['dev_name']: - return item - return {} + for item in response[0]: + if name == item['dev_name']: + return item + return {} @staticmethod def create_subinterface(node, interface, sub_id, outer_vlan_id=None, @@ -797,7 +800,8 @@ class InterfaceUtil(object): :param outer_vlan_id: Optional outer VLAN ID. :param inner_vlan_id: Optional inner VLAN ID. :param type_subif: Optional type of sub-interface. Values supported by - VPP: [no_tags] [one_tag] [two_tags] [dot1ad] [exact_match] [default_sub] + VPP: [no_tags] [one_tag] [two_tags] [dot1ad] [exact_match] + [default_sub] :type node: dict :type interface: str or int :type sub_id: int @@ -895,7 +899,7 @@ class InterfaceUtil(object): :returns: SW interface index. :rtype: int :raises RuntimeError: If it is not possible to create loopback on the - node. + node. """ out = VatExecutor.cmd_from_template(node, "create_loopback.vat") if out[0].get('retval') == 0: @@ -909,6 +913,120 @@ class InterfaceUtil(object): raise RuntimeError('Create loopback failed on node "{}"' .format(node['host'])) + @staticmethod + def vpp_create_bond_interface(node, mode, load_balance=None, mac=None): + """Create bond interface on VPP node. + + :param node: DUT node from topology. + :param mode: Link bonding mode. + :param load_balance: Load balance (optional, valid for xor and lacp + modes, otherwise ignored). + :param mac: MAC address to assign to the bond interface (optional). + :type node: dict + :type mode: str + :type load_balance: str + :type mac: str + :returns: Interface key (name) in topology. + :rtype: str + :raises RuntimeError: If it is not possible to create bond interface on + the node. + """ + hw_addr = '' if mac is None else 'hw-addr {mac}'.format(mac=mac) + ldb = '' if load_balance is None \ + else 'lb {ldb}'.format(ldb=load_balance) + + output = VatExecutor.cmd_from_template( + node, 'create_bond_interface.vat', mode=mode, lb=ldb, mac=hw_addr) + + if output[0].get('retval') == 0: + sw_if_idx = output[0].get('sw_if_index') + InterfaceUtil.add_bond_eth_interface(node, sw_if_idx=sw_if_idx) + if_key = Topology.get_interface_by_sw_index(node, sw_if_idx) + return if_key + else: + raise RuntimeError('Create bond interface failed on "{host}"' + .format(host=node['host'])) + + @staticmethod + def add_bond_eth_interface(node, ifc_name=None, sw_if_idx=None): + """Add BondEthernet interface to current topology. + + :param node: DUT node from topology. + :param ifc_name: Name of the BondEthernet interface. + :param sw_if_idx: SW interface index. + :type node: dict + :type ifc_name: str + :type sw_if_idx: int + """ + if_key = Topology.add_new_port(node, 'eth_bond') + + vat_executor = VatExecutor() + vat_executor.execute_script_json_out("dump_interfaces.vat", node) + interface_dump_json = vat_executor.get_script_stdout() + + if ifc_name and sw_if_idx is None: + sw_if_idx = VatJsonUtil.get_interface_sw_index_from_json( + interface_dump_json, ifc_name) + Topology.update_interface_sw_if_index(node, if_key, sw_if_idx) + if sw_if_idx and ifc_name is None: + ifc_name = InterfaceUtil.vpp_get_interface_name(node, sw_if_idx) + Topology.update_interface_name(node, if_key, ifc_name) + ifc_mac = VatJsonUtil.get_interface_mac_from_json( + interface_dump_json, sw_if_idx) + Topology.update_interface_mac_address(node, if_key, ifc_mac) + + @staticmethod + def vpp_enslave_physical_interface(node, interface, bond_interface): + """Enslave physical interface to bond interface on VPP node. + + :param node: DUT node from topology. + :param interface: Physical interface key from topology file. + :param bond_interface: Load balance + :type node: dict + :type interface: str + :type bond_interface: str + :raises RuntimeError: If it is not possible to enslave physical + interface to bond interface on the node. + """ + ifc = Topology.get_interface_sw_index(node, interface) + bond_ifc = Topology.get_interface_sw_index(node, bond_interface) + + output = VatExecutor.cmd_from_template( + node, 'enslave_physical_interface.vat', p_int=ifc, b_int=bond_ifc) + + retval = output[0].get('retval', None) + if retval is None or int(retval) != 0: + raise RuntimeError('Enslave physical interface {ifc} to bond ' + 'interface {bond} failed on node "{n}"' + .format(ifc=interface, bond=bond_interface, + n=node['host'])) + + @staticmethod + def vpp_show_bond_data_on_node(node, details=False): + """Show (detailed) bond information on VPP node. + + :param node: DUT node from topology. + :param details: If detailed information is required or not. + :type node: dict + :type details: bool + """ + cmd = 'exec show bond details' if details else 'exec show bond' + with VatTerminal(node, json_param=False) as vat: + vat.vat_terminal_exec_cmd(cmd) + + @staticmethod + def vpp_show_bond_data_on_all_nodes(nodes, details=False): + """Show (detailed) bond information on all VPP nodes in DICT__nodes. + + :param nodes: Nodes in the topology. + :param details: If detailed information is required or not. + :type nodes: dict + :type details: bool + """ + for node_data in nodes.values(): + if node_data['type'] == NodeType.DUT: + InterfaceUtil.vpp_show_bond_data_on_node(node_data, details) + @staticmethod def vpp_enable_input_acl_interface(node, interface, ip_version, table_index): @@ -1006,12 +1124,12 @@ class InterfaceUtil(object): :param node: VPP node to get interface data from. :param interface_name: Name of the specific interface. If None, - information about all VxLAN GPE interfaces is returned. + information about all VxLAN GPE interfaces is returned. :type node: dict :type interface_name: str :returns: Dictionary containing data for the given VxLAN GPE interface - or if interface=None, the list of dictionaries with all VxLAN GPE - interfaces. + or if interface=None, the list of dictionaries with all VxLAN GPE + interfaces. :rtype: dict or list """