1 # Copyright (c) 2019 Cisco and/or its affiliates.
2 # Licensed under the Apache License, Version 2.0 (the "License");
3 # you may not use this file except in compliance with the License.
4 # You may obtain a copy of the License at:
6 # http://www.apache.org/licenses/LICENSE-2.0
8 # Unless required by applicable law or agreed to in writing, software
9 # distributed under the License is distributed on an "AS IS" BASIS,
10 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 # See the License for the specific language governing permissions and
12 # limitations under the License.
14 """Defines nodes and topology structure."""
18 from collections import Counter
20 from yaml import safe_load
22 from robot.api import logger
23 from robot.libraries.BuiltIn import BuiltIn, RobotNotRunningError
26 u"DICT__nodes", u"Topology", u"NodeType", u"SocketType", u"NodeSubTypeTG"
30 def load_topo_from_yaml():
31 """Load topology from file defined in "${TOPOLOGY_PATH}" variable.
33 :returns: Nodes from loaded topology.
36 topo_path = BuiltIn().get_variable_value(u"${TOPOLOGY_PATH}")
37 except RobotNotRunningError:
40 with open(topo_path) as work_file:
41 return safe_load(work_file.read())[u"nodes"]
46 """Defines node types used in topology dictionaries."""
47 # TODO: Two letter initialisms are well-known, but too short for pylint.
48 # Candidates: TG -> TGN, VM -> VNF.
50 # Device Under Test (this node has VPP running on it)
52 # Traffic Generator (this node has traffic generator on it)
53 # pylint: disable=invalid-name
55 # Virtual Machine (this node running on DUT node)
56 # pylint: disable=invalid-name
61 """Defines node sub-type TG - traffic generator."""
62 # T-Rex traffic generator
71 """Defines socket types used in topology dictionaries."""
74 # VPP PAPI Stats (legacy option until stats are migrated to Socket PAPI)
78 DICT__nodes = load_topo_from_yaml()
82 """Topology data manipulation and extraction methods.
84 Defines methods used for manipulation and extraction of data from
87 "Active topology" contains initially data from the topology file and can be
88 extended with additional data from the DUTs like internal interface indexes
89 or names. Additional data which can be filled to the active topology are
91 - additional internal representation (index, name, ...)
92 - operational data (dynamic ports)
94 To access the port data it is recommended to use a port key because the key
95 does not rely on the data retrieved from nodes, this allows to call most of
96 the methods without having filled active topology with internal nodes data.
99 def add_node_item(self, node, value, path):
100 """Add item to topology node.
102 :param node: Topology node.
103 :param value: Value to insert.
104 :param path: Path where to insert item.
110 node[path[0]] = value
112 if path[0] not in node:
113 node[path[0]] = dict()
114 elif isinstance(node[path[0]], str):
115 node[path[0]] = dict() if node[path[0]] == u"" \
116 else {node[path[0]]: u""}
117 self.add_node_item(node[path[0]], value, path[1:])
120 def add_new_port(node, ptype):
121 """Add new port to the node to active topology.
123 :param node: Node to add new port on.
124 :param ptype: Port type, used as key prefix.
127 :returns: Port key or None
128 :rtype: string or None
132 for i in range(1, max_ports):
133 if node[u"interfaces"].get(str(ptype) + str(i)) is None:
134 iface = str(ptype) + str(i)
135 node[u"interfaces"][iface] = dict()
140 def remove_port(node, iface_key):
141 """Remove required port from active topology.
143 :param node: Node to remove port on.
144 :param: iface_key: Topology key of the interface.
150 node[u"interfaces"].pop(iface_key)
155 def remove_all_ports(node, ptype):
156 """Remove all ports with ptype as prefix.
158 :param node: Node to remove ports on.
159 :param: ptype: Port type, used as key prefix.
164 for if_key in list(node[u"interfaces"]):
165 if if_key.startswith(str(ptype)):
166 node[u"interfaces"].pop(if_key)
169 def remove_all_added_ports_on_all_duts_from_topology(nodes):
170 """Remove all added ports on all DUT nodes in the topology.
172 :param nodes: Nodes in the topology.
177 u"subinterface", u"vlan_subif", u"memif", u"tap", u"vhost",
178 u"loopback", u"gre_tunnel", u"vxlan_tunnel", u"eth_bond", u"eth_avf"
181 for node_data in nodes.values():
182 if node_data[u"type"] == NodeType.DUT:
183 for ptype in port_types:
184 Topology.remove_all_ports(node_data, ptype)
187 def remove_all_vif_ports(node):
188 """Remove all Virtual Interfaces on DUT node.
190 :param node: Node to remove VIF ports on.
194 reg_ex = re.compile(r"port\d+_vif\d+")
195 for if_key in list(node[u"interfaces"]):
196 if re.match(reg_ex, if_key):
197 node[u"interfaces"].pop(if_key)
200 def remove_all_added_vif_ports_on_all_duts_from_topology(nodes):
201 """Remove all added Virtual Interfaces on all DUT nodes in
204 :param nodes: Nodes in the topology.
208 for node_data in nodes.values():
209 if node_data[u"type"] == NodeType.DUT:
210 Topology.remove_all_vif_ports(node_data)
213 def update_interface_sw_if_index(node, iface_key, sw_if_index):
214 """Update sw_if_index on the interface from the node.
216 :param node: Node to update sw_if_index on.
217 :param iface_key: Topology key of the interface.
218 :param sw_if_index: Internal index to store.
221 :type sw_if_index: int
223 node[u"interfaces"][iface_key][u"vpp_sw_index"] = int(sw_if_index)
226 def update_interface_name(node, iface_key, name):
227 """Update name on the interface from the node.
229 :param node: Node to update name on.
230 :param iface_key: Topology key of the interface.
231 :param name: Interface name to store.
236 node[u"interfaces"][iface_key][u"name"] = str(name)
239 def update_interface_mac_address(node, iface_key, mac_address):
240 """Update mac_address on the interface from the node.
242 :param node: Node to update MAC on.
243 :param iface_key: Topology key of the interface.
244 :param mac_address: MAC address.
247 :type mac_address: str
249 node[u"interfaces"][iface_key][u"mac_address"] = str(mac_address)
252 def update_interface_pci_address(node, iface_key, pci_address):
253 """Update pci_address on the interface from the node.
255 :param node: Node to update PCI on.
256 :param iface_key: Topology key of the interface.
257 :param pci_address: PCI address.
260 :type pci_address: str
262 node[u"interfaces"][iface_key][u"pci_address"] = str(pci_address)
265 def update_interface_vlan(node, iface_key, vlan):
266 """Update VLAN on the interface from the node.
268 :param node: Node to update VLAN on.
269 :param iface_key: Topology key of the interface.
270 :param vlan: VLAN ID.
275 node[u"interfaces"][iface_key][u"vlan"] = int(vlan)
278 def update_interface_vhost_socket(node, iface_key, vhost_socket):
279 """Update vhost socket name on the interface from the node.
281 :param node: Node to update socket name on.
282 :param iface_key: Topology key of the interface.
283 :param vhost_socket: Path to named socket on node.
286 :type vhost_socket: str
288 node[u"interfaces"][iface_key][u"vhost_socket"] = str(vhost_socket)
291 def update_interface_memif_socket(node, iface_key, memif_socket):
292 """Update memif socket name on the interface from the node.
294 :param node: Node to update socket name on.
295 :param iface_key: Topology key of the interface.
296 :param memif_socket: Path to named socket on node.
299 :type memif_socket: str
301 node[u"interfaces"][iface_key][u"memif_socket"] = str(memif_socket)
304 def update_interface_memif_id(node, iface_key, memif_id):
305 """Update memif ID on the interface from the node.
307 :param node: Node to update memif ID on.
308 :param iface_key: Topology key of the interface.
309 :param memif_id: Memif interface ID.
314 node[u"interfaces"][iface_key][u"memif_id"] = str(memif_id)
317 def update_interface_memif_role(node, iface_key, memif_role):
318 """Update memif role on the interface from the node.
320 :param node: Node to update memif role on.
321 :param iface_key: Topology key of the interface.
322 :param memif_role: Memif role.
325 :type memif_role: str
327 node[u"interfaces"][iface_key][u"memif_role"] = str(memif_role)
330 def update_interface_tap_dev_name(node, iface_key, dev_name):
331 """Update device name on the tap interface from the node.
333 :param node: Node to update tap device name on.
334 :param iface_key: Topology key of the interface.
335 :param dev_name: Device name of the tap interface.
341 node[u"interfaces"][iface_key][u"dev_name"] = str(dev_name)
344 def get_node_by_hostname(nodes, hostname):
345 """Get node from nodes of the topology by hostname.
347 :param nodes: Nodes of the test topology.
348 :param hostname: Host name.
351 :returns: Node dictionary or None if not found.
353 for node in nodes.values():
354 if node[u"host"] == hostname:
360 def get_links(nodes):
361 """Get list of links(networks) in the topology.
363 :param nodes: Nodes of the test topology.
365 :returns: Links in the topology.
370 for node in nodes.values():
371 for interface in node[u"interfaces"].values():
372 link = interface.get(u"link")
374 if link not in links:
380 def _get_interface_by_key_value(node, key, value):
381 """Return node interface key from topology file
382 according to key and value.
384 :param node: The node dictionary.
385 :param key: Key by which to select the interface.
386 :param value: Value that should be found using the key.
390 :returns: Interface key from topology file
393 interfaces = node[u"interfaces"]
395 for if_key, if_val in interfaces.items():
396 k_val = if_val.get(key)
397 if k_val is not None:
404 def get_interface_by_name(node, iface_name):
405 """Return interface key based on name from DUT/TG.
407 This method returns interface key based on interface name
408 retrieved from the DUT, or TG.
410 :param node: The node topology dictionary.
411 :param iface_name: Interface name (string form).
413 :type iface_name: string
414 :returns: Interface key.
417 return Topology._get_interface_by_key_value(node, u"name", iface_name)
420 def get_interface_by_link_name(node, link_name):
421 """Return interface key of link on node.
423 This method returns the interface name associated with a given link
426 :param node: The node topology dictionary.
427 :param link_name: Name of the link that a interface is connected to.
429 :type link_name: string
430 :returns: Interface key of the interface connected to the given link.
433 return Topology._get_interface_by_key_value(node, u"link", link_name)
435 def get_interfaces_by_link_names(self, node, link_names):
436 """Return dictionary of dictionaries {"interfaceN", interface name}.
438 This method returns the interface names associated with given links
441 :param node: The node topology directory.
442 :param link_names: List of names of the link that a interface is
445 :type link_names: list
446 :returns: Dictionary of interface names that are connected to the given
452 for link_name in link_names:
453 interface = self.get_interface_by_link_name(node, link_name)
454 retval[f"interface{str(interface_number)}"] = \
455 self.get_interface_name(node, interface)
456 interface_number += 1
460 def get_interface_by_sw_index(node, sw_if_index):
461 """Return interface name of link on node.
463 This method returns the interface name associated with a software
464 interface index assigned to the interface by vpp for a given node.
466 :param node: The node topology dictionary.
467 :param sw_if_index: sw_if_index of the link that a interface is
470 :type sw_if_index: int
471 :returns: Interface name of the interface connected to the given link.
474 return Topology._get_interface_by_key_value(
475 node, u"vpp_sw_index", sw_if_index
479 def get_interface_sw_index(node, iface_key):
480 """Get VPP sw_if_index for the interface using interface key.
482 :param node: Node to get interface sw_if_index on.
483 :param iface_key: Interface key from topology file, or sw_if_index.
485 :type iface_key: str/int
486 :returns: Return sw_if_index or None if not found.
490 if isinstance(iface_key, str):
491 return node[u"interfaces"][iface_key].get(u"vpp_sw_index")
492 # TODO: use only iface_key, do not use integer
493 return int(iface_key)
494 except (KeyError, ValueError):
498 def get_interface_sw_index_by_name(node, iface_name):
499 """Get VPP sw_if_index for the interface using interface name.
501 :param node: Node to get interface sw_if_index on.
502 :param iface_name: Interface name.
504 :type iface_name: str
505 :returns: Return sw_if_index or None if not found.
506 :raises TypeError: If provided interface name is not a string.
509 if not isinstance(iface_name, str):
510 raise TypeError(u"Interface name must be a string.")
511 iface_key = Topology.get_interface_by_name(node, iface_name)
512 return node[u"interfaces"][iface_key].get(u"vpp_sw_index")
513 except (KeyError, ValueError):
517 def get_interface_mtu(node, iface_key):
518 """Get interface MTU.
520 Returns physical layer MTU (max. size of Ethernet frame).
521 :param node: Node to get interface MTU on.
522 :param iface_key: Interface key from topology file.
525 :returns: MTU or None if not found.
529 return node[u"interfaces"][iface_key].get(u"mtu")
534 def get_interface_name(node, iface_key):
535 """Get interface name (retrieved from DUT/TG).
537 Returns name in string format, retrieved from the node.
538 :param node: Node to get interface name on.
539 :param iface_key: Interface key from topology file.
542 :returns: Interface name or None if not found.
546 return node[u"interfaces"][iface_key].get(u"name")
551 def convert_interface_reference_to_key(node, interface):
552 """Takes interface reference in any format
553 (name, link name, interface key or sw_if_index)
554 and converts to interface key using Topology methods.
556 :param node: Node in topology.
557 :param interface: Name, sw_if_index, link name or key of an interface
560 :type interface: str or int
562 :returns: Interface key.
565 :raises TypeError: If provided with invalid interface argument.
566 :raises RuntimeError: If the interface does not exist in topology.
569 if isinstance(interface, int):
570 key = Topology.get_interface_by_sw_index(node, interface)
573 f"Interface with sw_if_index={interface} does not exist "
576 elif interface in Topology.get_node_interfaces(node):
578 elif interface in Topology.get_links({u"dut": node}):
579 key = Topology.get_interface_by_link_name(node, interface)
580 elif isinstance(interface, str):
581 key = Topology.get_interface_by_name(node, interface)
584 f"Interface with key, name or link name \"{interface}\" "
585 f"does not exist in topology."
589 u"Type of interface argument must be integer or string."
594 def convert_interface_reference(node, interface, wanted_format):
595 """Takes interface reference in any format
596 (name, link name, topology key or sw_if_index) and returns
597 its equivalent in the desired format.
599 :param node: Node in topology.
600 :param interface: Name, sw_if_index, link name or key of an interface
602 :param wanted_format: Format of return value wanted.
603 Valid options are: sw_if_index, key, name.
605 :type interface: str or int
606 :type wanted_format: str
607 :returns: Interface name, interface key or sw_if_index.
609 :raises TypeError, ValueError: If provided with invalid arguments.
610 :raises RuntimeError: If the interface does not exist in topology.
613 key = Topology.convert_interface_reference_to_key(node, interface)
616 u"key": lambda x, y: y,
617 u"name": Topology.get_interface_name,
618 u"sw_if_index": Topology.get_interface_sw_index
622 return conversions[wanted_format](node, key)
625 f"Unrecognized return value wanted: {wanted_format}."
626 f"Valid options are key, name, sw_if_index"
630 def get_interface_numa_node(node, iface_key):
631 """Get interface numa node.
633 Returns physical relation to numa node, numa_id.
635 :param node: Node to get numa id on.
636 :param iface_key: Interface key from topology file.
639 :returns: numa node id, None if not available.
643 return node[u"interfaces"][iface_key].get(u"numa_node")
648 def get_interfaces_numa_node(node, *iface_keys):
649 """Get numa node on which are located most of the interfaces.
651 Return numa node with highest count of interfaces provided as arguments.
652 Return 0 if the interface does not have numa_node information available.
653 If all interfaces have unknown location (-1), then return 0.
654 If most of interfaces have unknown location (-1), but there are
655 some interfaces with known location, then return the second most
656 location of the provided interfaces.
658 :param node: Node from DICT__nodes.
659 :param iface_keys: Interface keys for lookup.
661 :type iface_keys: strings
662 :returns: Numa node of most given interfaces or 0.
666 for if_key in iface_keys:
668 numa_list.append(node[u"interfaces"][if_key].get(u"numa_node"))
672 numa_cnt_mc = Counter(numa_list).most_common()
674 if numa_cnt_mc and numa_cnt_mc[0][0] != -1:
675 return numa_cnt_mc[0][0]
676 if len(numa_cnt_mc) > 1 and numa_cnt_mc[0][0] == -1:
677 return numa_cnt_mc[1][0]
681 def get_interface_mac(node, iface_key):
682 """Get MAC address for the interface.
684 :param node: Node to get interface mac on.
685 :param iface_key: Interface key from topology file.
688 :returns: Return MAC or None if not found.
691 return node[u"interfaces"][iface_key].get(u"mac_address")
696 def get_interface_ip4(node, iface_key):
697 """Get IP4 address for the interface.
699 :param node: Node to get interface mac on.
700 :param iface_key: Interface key from topology file.
703 :returns: Return IP4 or None if not found.
706 return node[u"interfaces"][iface_key].get(u"ip4_address")
711 def get_adjacent_node_and_interface(nodes_info, node, iface_key):
712 """Get node and interface adjacent to specified interface
715 :param nodes_info: Dictionary containing information on all nodes
717 :param node: Node that contains specified interface.
718 :param iface_key: Interface key from topology file.
719 :type nodes_info: dict
722 :returns: Return (node, interface_key) tuple or None if not found.
726 # get link name where the interface belongs to
727 for if_key, if_val in node[u"interfaces"].items():
728 if if_key == u"mgmt":
730 if if_key == iface_key:
731 link_name = if_val[u"link"]
734 if link_name is None:
738 for node_data in nodes_info.values():
740 if node_data[u"host"] == node[u"host"]:
743 in node_data[u"interfaces"].items():
744 if u"link" not in if_val:
746 if if_val[u"link"] == link_name:
747 return node_data, if_key
751 def get_interface_pci_addr(node, iface_key):
752 """Get interface PCI address.
754 :param node: Node to get interface PCI address on.
755 :param iface_key: Interface key from topology file.
758 :returns: Return PCI address or None if not found.
761 return node[u"interfaces"][iface_key].get(u"pci_address")
766 def get_interface_driver(node, iface_key):
767 """Get interface driver.
769 :param node: Node to get interface driver on.
770 :param iface_key: Interface key from topology file.
773 :returns: Return interface driver or None if not found.
776 return node[u"interfaces"][iface_key].get(u"driver")
781 def get_interface_vlan(node, iface_key):
782 """Get interface vlan.
784 :param node: Node to get interface driver on.
785 :param iface_key: Interface key from topology file.
788 :returns: Return interface vlan or None if not found.
791 return node[u"interfaces"][iface_key].get(u"vlan")
796 def get_node_interfaces(node):
797 """Get all node interfaces.
799 :param node: Node to get list of interfaces from.
801 :returns: Return list of keys of all interfaces.
804 return node[u"interfaces"].keys()
807 def get_node_link_mac(node, link_name):
808 """Return interface mac address by link name.
810 :param node: Node to get interface sw_if_index on.
811 :param link_name: Link name.
814 :returns: MAC address string.
817 for port in node[u"interfaces"].values():
818 if port.get(u"link") == link_name:
819 return port.get(u"mac_address")
823 def _get_node_active_link_names(node, filter_list=None):
824 """Return list of link names that are other than mgmt links.
826 :param node: Node topology dictionary.
827 :param filter_list: Link filter criteria.
829 :type filter_list: list of strings
830 :returns: List of link names occupied by the node.
831 :rtype: None or list of string
833 interfaces = node[u"interfaces"]
835 for interface in interfaces.values():
836 if u"link" in interface:
837 if (filter_list is not None) and (u"model" in interface):
838 for filt in filter_list:
839 if filt == interface[u"model"]:
840 link_names.append(interface[u"link"])
841 elif (filter_list is not None) and (u"model" not in interface):
843 f"Cannot apply filter on interface: {str(interface)}"
846 link_names.append(interface[u"link"])
851 def get_active_connecting_links(
852 self, node1, node2, filter_list_node1=None, filter_list_node2=None):
853 """Return list of link names that connect together node1 and node2.
855 :param node1: Node topology dictionary.
856 :param node2: Node topology dictionary.
857 :param filter_list_node1: Link filter criteria for node1.
858 :param filter_list_node2: Link filter criteria for node2.
861 :type filter_list_node1: list of strings
862 :type filter_list_node2: list of strings
863 :returns: List of strings that represent connecting link names.
867 logger.trace(f"node1: {str(node1)}")
868 logger.trace(f"node2: {str(node2)}")
869 node1_links = self._get_node_active_link_names(
870 node1, filter_list=filter_list_node1
872 node2_links = self._get_node_active_link_names(
873 node2, filter_list=filter_list_node2
876 connecting_links = None
877 if node1_links is None:
878 logger.error(u"Unable to find active links for node1")
879 elif node2_links is None:
880 logger.error(u"Unable to find active links for node2")
882 connecting_links = list(set(node1_links).intersection(node2_links))
884 return connecting_links
886 def get_first_active_connecting_link(self, node1, node2):
887 """Get first link connecting the two nodes together.
889 :param node1: Connected node.
890 :param node2: Connected node.
893 :returns: Name of a link connecting the two nodes together.
895 :raises RuntimeError: If no links are found.
897 connecting_links = self.get_active_connecting_links(node1, node2)
898 if not connecting_links:
899 raise RuntimeError(u"No links connecting the nodes were found")
900 return connecting_links[0]
902 def get_egress_interfaces_name_for_nodes(self, node1, node2):
903 """Get egress interfaces on node1 for link with node2.
905 :param node1: First node, node to get egress interface on.
906 :param node2: Second node.
909 :returns: Egress interfaces.
913 links = self.get_active_connecting_links(node1, node2)
915 raise RuntimeError(u"No link between nodes")
916 for interface in node1[u"interfaces"].values():
917 link = interface.get(u"link")
922 name = interface.get(u"name")
925 interfaces.append(name)
928 def get_first_egress_interface_for_nodes(self, node1, node2):
929 """Get first egress interface on node1 for link with node2.
931 :param node1: First node, node to get egress interface name on.
932 :param node2: Second node.
935 :returns: Egress interface name.
938 interfaces = self.get_egress_interfaces_name_for_nodes(node1, node2)
940 raise RuntimeError(u"No egress interface for nodes")
943 def get_links_dict_from_nodes(self, tgen, dut1, dut2):
944 """Return link combinations used in tests in circular topology.
946 For the time being it returns links from the Node path:
948 The naming convention until changed to something more general is
950 DUT1_DUT2_LINK: link name between DUT! and DUT2
951 DUT1_TG_LINK: link name between DUT1 and TG
952 DUT2_TG_LINK: link name between DUT2 and TG
953 TG_TRAFFIC_LINKS: list of link names that generated traffic is sent
955 DUT1_BD_LINKS: list of link names that will be connected by the bridge
957 DUT2_BD_LINKS: list of link names that will be connected by the bridge
960 :param tgen: Traffic generator node data.
961 :param dut1: DUT1 node data.
962 :param dut2: DUT2 node data.
966 :returns: Dictionary of possible link combinations.
969 # TODO: replace with generic function.
970 dut1_dut2_link = self.get_first_active_connecting_link(dut1, dut2)
971 dut1_tg_link = self.get_first_active_connecting_link(dut1, tgen)
972 dut2_tg_link = self.get_first_active_connecting_link(dut2, tgen)
973 tg_traffic_links = [dut1_tg_link, dut2_tg_link]
974 dut1_bd_links = [dut1_dut2_link, dut1_tg_link]
975 dut2_bd_links = [dut1_dut2_link, dut2_tg_link]
977 u"DUT1_DUT2_LINK": dut1_dut2_link,
978 u"DUT1_TG_LINK": dut1_tg_link,
979 u"DUT2_TG_LINK": dut2_tg_link,
980 u"TG_TRAFFIC_LINKS": tg_traffic_links,
981 u"DUT1_BD_LINKS": dut1_bd_links,
982 u"DUT2_BD_LINKS": dut2_bd_links
984 return topology_links
987 def is_tg_node(node):
988 """Find out whether the node is TG.
990 :param node: Node to examine.
992 :returns: True if node is type of TG, otherwise False.
995 return node[u"type"] == NodeType.TG
998 def get_node_hostname(node):
999 """Return host (hostname/ip address) of the node.
1001 :param node: Node created from topology.
1003 :returns: Hostname or IP address.
1006 return node[u"host"]
1009 def get_node_arch(node):
1010 """Return arch of the node.
1011 Default to x86_64 if no arch present
1013 :param node: Node created from topology.
1015 :returns: Node architecture
1019 return node[u"arch"]
1021 node[u"arch"] = u"x86_64"
1025 def get_cryptodev(node):
1026 """Return Crytodev configuration of the node.
1028 :param node: Node created from topology.
1030 :returns: Cryptodev configuration string.
1034 return node[u"cryptodev"]
1039 def get_uio_driver(node):
1040 """Return uio-driver configuration of the node.
1042 :param node: Node created from topology.
1044 :returns: uio-driver configuration string.
1048 return node[u"uio_driver"]
1053 def set_interface_numa_node(node, iface_key, numa_node_id):
1054 """Set interface numa_node location.
1056 :param node: Node to set numa_node on.
1057 :param iface_key: Interface key from topology file.
1059 :type iface_key: str
1060 :returns: Return iface_key or None if not found.
1063 node[u"interfaces"][iface_key][u"numa_node"] = numa_node_id
1068 def add_new_socket(self, node, socket_type, socket_id, socket_path):
1069 """Add socket file of specific SocketType and ID to node.
1071 :param node: Node to add socket on.
1072 :param socket_type: Socket type.
1073 :param socket_id: Socket id.
1074 :param socket_path: Socket absolute path.
1076 :type socket_type: SocketType
1077 :type socket_id: str
1078 :type socket_path: str
1080 path = [u"sockets", socket_type, socket_id]
1081 self.add_node_item(node, socket_path, path)
1084 def get_node_sockets(node, socket_type=None):
1085 """Get node socket files.
1087 :param node: Node to get sockets from.
1088 :param socket_type: Socket type or None for all sockets.
1090 :type socket_type: SocketType
1091 :returns: Node sockets or None if not found.
1096 return node[u"sockets"][socket_type]
1097 return node[u"sockets"]
1102 def clean_sockets_on_all_nodes(nodes):
1103 """Remove temporary socket files from topology file.
1105 :param nodes: SUT nodes.
1108 for node in nodes.values():
1109 if u"sockets" in list(node.keys()):
1110 node.pop(u"sockets")