"""Vhost-user interfaces library."""
-from resources.libraries.python.VatExecutor import VatExecutor
+from resources.libraries.python.VatExecutor import VatExecutor, VatTerminal
+from resources.libraries.python.topology import NodeType, Topology
+from resources.libraries.python.InterfaceUtil import InterfaceUtil
class VhostUser(object):
:param socket: Vhost-user interface socket path.
:type node: dict
:type socket: str
- :return: SW interface index.
+ :returns: SW interface index.
:rtype: int
+ :raises RuntimeError: If Vhost-user interface creation failed.
"""
- out = VatExecutor.cmd_from_template(node, "create_vhost_user_if.vat",
+ out = VatExecutor.cmd_from_template(node, 'create_vhost_user_if.vat',
sock=socket)
if out[0].get('retval') == 0:
- return out[0].get('sw_if_index')
+ sw_if_idx = int(out[0].get('sw_if_index'))
+ if_key = Topology.add_new_port(node, 'vhost')
+ Topology.update_interface_sw_if_index(node, if_key, sw_if_idx)
+ ifc_name = InterfaceUtil.vpp_get_interface_name(node, sw_if_idx)
+ Topology.update_interface_name(node, if_key, ifc_name)
+ ifc_mac = InterfaceUtil.vpp_get_interface_mac(node, sw_if_idx)
+ Topology.update_interface_mac_address(node, if_key, ifc_mac)
+ Topology.update_interface_vhost_socket(node, if_key, socket)
+ return sw_if_idx
else:
raise RuntimeError('Create Vhost-user interface failed on node '
'"{}"'.format(node['host']))
:param socket: Vhost-user interface socket path.
:type node: dict
:type socket: str
- :return: Interface name or None if not found.
+ :returns: Interface name or None if not found.
:rtype: str
"""
for interface in node['interfaces'].values():
if interface.get('socket') == socket:
return interface.get('name')
return None
+
+ @staticmethod
+ def get_vhost_user_mac_by_sw_index(node, sw_if_index):
+ """Get Vhost-user l2_address for the given interface from actual
+ interface dump.
+
+ :param node: VPP node to get interface data from.
+ :param sw_if_index: Idx of the specific interface.
+ :type node: dict
+ :type sw_if_index: str
+ :returns: l2_address of the given interface.
+ :rtype: str
+ """
+
+ with VatTerminal(node) as vat:
+ if_data = vat.vat_terminal_exec_cmd_from_template(
+ "interface_dump.vat")
+ for iface in if_data[0]:
+ if iface["sw_if_index"] == sw_if_index:
+ return ':'.join("%02x" % (b) for b in iface["l2_address"][:6])
+
+ return None
+
+ @staticmethod
+ def vpp_show_vhost(node):
+ """Get vhost-user data for the given node.
+
+ :param node: VPP node to get interface data from.
+ :type node: dict
+ :returns: nothing
+ """
+ vat = VatExecutor()
+ vat.execute_script("show_vhost.vat", node, json_out=False)
+
+ @staticmethod
+ def show_vpp_vhost_on_all_duts(nodes):
+ """Show Vhost User on all DUTs.
+
+ :param nodes: VPP nodes.
+ :type nodes: dict
+ """
+ for node in nodes.values():
+ if node['type'] == NodeType.DUT:
+ VhostUser.vpp_show_vhost(node)