class InterfaceUtil:
"""General utilities for managing interfaces"""
- __UDEV_IF_RULES_FILE = u"/etc/udev/rules.d/10-network.rules"
-
@staticmethod
def pci_to_int(pci_str):
"""Convert PCI address from string format (0000:18:0a.0) to
"""
return DUTSetup.get_pci_dev_driver(node, pci_addr)
- @staticmethod
- def tg_set_interfaces_udev_rules(node):
- """Set udev rules for interfaces.
-
- Create udev rules file in /etc/udev/rules.d where are rules for each
- interface used by TG node, based on MAC interface has specific name.
- So after unbind and bind again to kernel driver interface has same
- name as before. This must be called after TG has set name for each
- port in topology dictionary.
- udev rule example
- SUBSYSTEM=="net", ACTION=="add", ATTR{address}=="52:54:00:e1:8a:0f",
- NAME="eth1"
-
- :param node: Node to set udev rules on (must be TG node).
- :type node: dict
- :raises RuntimeError: If setting of udev rules fails.
- """
- ssh = SSH()
- ssh.connect(node)
-
- cmd = f"rm -f {InterfaceUtil.__UDEV_IF_RULES_FILE}"
- ret_code, _, _ = ssh.exec_command_sudo(cmd)
- if int(ret_code) != 0:
- raise RuntimeError(f"'{cmd}' failed on '{node[u'host']}'")
-
- for interface in node[u"interfaces"].values():
- rule = u'SUBSYSTEM==\\"net\\", ACTION==\\"add\\", ATTR{address}' + \
- u'==\\"' + interface[u"mac_address"] + u'\\", NAME=\\"' + \
- interface[u"name"] + u'\\"'
- cmd = f"sh -c \"echo '{rule}'\" >> " \
- f"{InterfaceUtil.__UDEV_IF_RULES_FILE}'"
-
- ret_code, _, _ = ssh.exec_command_sudo(cmd)
- if int(ret_code) != 0:
- raise RuntimeError(f"'{cmd}' failed on '{node[u'host']}'")
-
- cmd = u"/etc/init.d/udev restart"
- ssh.exec_command_sudo(cmd)
-
@staticmethod
def tg_set_interfaces_default_driver(node):
"""Set interfaces default driver specified in topology yaml file.
InterfaceUtil.update_nic_interface_names(node)
@staticmethod
- def update_tg_interface_data_on_node(node, skip_tg_udev=False):
+ def update_tg_interface_data_on_node(node):
"""Update interface name for TG/linux node in DICT__nodes.
.. note::
"00:00:00:00:00:00": "lo"
:param node: Node selected from DICT__nodes.
- :param skip_tg_udev: Skip udev rename on TG node.
:type node: dict
- :type skip_tg_udev: bool
:raises RuntimeError: If getting of interface name and MAC fails.
"""
# First setup interface driver specified in yaml file
continue
interface[u"name"] = name
- # Set udev rules for interfaces
- if not skip_tg_udev:
- InterfaceUtil.tg_set_interfaces_udev_rules(node)
-
@staticmethod
def iface_update_numa_node(node):
"""For all interfaces from topology file update numa node based on
else:
raise RuntimeError(f"Update numa node failed for: {if_pci}")
- @staticmethod
- def update_all_numa_nodes(nodes, skip_tg=False):
- """For all nodes and all their interfaces from topology file update numa
- node information based on information from the node.
-
- :param nodes: Nodes in the topology.
- :param skip_tg: Skip TG node
- :type nodes: dict
- :type skip_tg: bool
- :returns: Nothing.
- """
- for node in nodes.values():
- if node[u"type"] == NodeType.DUT:
- InterfaceUtil.iface_update_numa_node(node)
- elif node[u"type"] == NodeType.TG and not skip_tg:
- InterfaceUtil.iface_update_numa_node(node)
-
@staticmethod
def update_all_interface_data_on_all_nodes(
- nodes, skip_tg=False, skip_tg_udev=False, numa_node=False):
+ nodes, skip_tg=False, skip_vpp=False):
"""Update interface names on all nodes in DICT__nodes.
This method updates the topology dictionary by querying interface lists
:param nodes: Nodes in the topology.
:param skip_tg: Skip TG node.
- :param skip_tg_udev: Skip udev rename on TG node.
- :param numa_node: Retrieve numa_node location.
+ :param skip_vpp: Skip VPP node.
:type nodes: dict
:type skip_tg: bool
- :type skip_tg_udev: bool
- :type numa_node: bool
+ :type skip_vpp: bool
"""
- for node_data in nodes.values():
- if node_data[u"type"] == NodeType.DUT:
- InterfaceUtil.update_vpp_interface_data_on_node(node_data)
- elif node_data[u"type"] == NodeType.TG and not skip_tg:
- InterfaceUtil.update_tg_interface_data_on_node(
- node_data, skip_tg_udev)
-
- if numa_node:
- if node_data[u"type"] == NodeType.DUT:
- InterfaceUtil.iface_update_numa_node(node_data)
- elif node_data[u"type"] == NodeType.TG and not skip_tg:
- InterfaceUtil.iface_update_numa_node(node_data)
+ for node in nodes.values():
+ if node[u"type"] == NodeType.DUT and not skip_vpp:
+ InterfaceUtil.update_vpp_interface_data_on_node(node)
+ elif node[u"type"] == NodeType.TG and not skip_tg:
+ InterfaceUtil.update_tg_interface_data_on_node(node)
+ InterfaceUtil.iface_update_numa_node(node)
@staticmethod
def create_vlan_subinterface(node, interface, vlan):
Code Review / csit.git / blobdiff