-# Copyright (c) 2019 Cisco and/or its affiliates.
+# Copyright (c) 2020 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:
from collections import OrderedDict
-from robot.libraries.BuiltIn import BuiltIn
-
from resources.libraries.python.Constants import Constants
from resources.libraries.python.CpuUtils import CpuUtils
from resources.libraries.python.QemuUtils import QemuUtils
from resources.libraries.python.topology import NodeType, Topology
-__all__ = ["QemuManager"]
-
-
-def get_affinity_vm(nodes, node, nf_chains=1, nf_nodes=1, nf_chain=1, nf_node=1,
- cpu_count_int=1):
- """Get affinity of VM. Result will be used to compute the amount of
- CPUs and also affinity.
-
- :param node: SUT nodes.
- :param node: DUT node.
- :param nf_chains: Number of NF chains.
- :param nf_nodes: Number of NF nodes in chain.
- :param nf_chain: Chain ID.
- :param nf_node: Node ID.
- :param cpu_count_int: Amount of Dataplane threads of vswitch.
- :type nodes: dict
- :type node: dict
- :type nf_chains: int
- :type nf_nodes: int
- :type nf_chain: int
- :type nf_node: int
- :type cpu_count_int: int
- :returns: List of CPUs allocated to VM.
- :rtype: list
- """
- sut_sc = 1
- dut_mc = 1
- dut_dc = cpu_count_int
- skip_cnt = sut_sc + dut_mc + dut_dc
- dtc = cpu_count_int
-
- interface_list = []
- interface_list.append(
- BuiltIn().get_variable_value('${{{node}_if1}}'.format(node=node)))
- interface_list.append(
- BuiltIn().get_variable_value('${{{node}_if2}}'.format(node=node)))
-
- cpu_node = Topology.get_interfaces_numa_node(nodes[node], *interface_list)
-
- nf_cpus = CpuUtils.cpu_slice_of_list_for_nf(
- node=nodes[node], cpu_node=cpu_node, chains=nf_chains,
- nodeness=nf_nodes, chain_id=nf_chain, node_id=nf_node, mtcr=2, dtcr=1,
- dtc=dtc, skip_cnt=skip_cnt)
-
- return nf_cpus
-
-class QemuManager(object):
+__all__ = [u"QemuManager"]
+
+
+class QemuManager:
"""QEMU lifecycle management class"""
# Use one instance of class per tests.
- ROBOT_LIBRARY_SCOPE = 'TEST CASE'
+ ROBOT_LIBRARY_SCOPE = u"TEST CASE"
def __init__(self, nodes):
"""Init QemuManager object."""
:param kwargs: Named parameters.
:type kwargs: dict
"""
- node = kwargs['node']
- nf_chains = int(kwargs['nf_chains'])
- nf_nodes = int(kwargs['nf_nodes'])
- queues = kwargs['rxq_count_int'] if kwargs['auto_scale'] else 1
- cpu_count_int = kwargs['cpu_count_int'] if kwargs['auto_scale'] else 1
-
- img = Constants.QEMU_PERF_VM_KERNEL
+ node = kwargs[u"node"]
+ nf_chains = int(kwargs[u"nf_chains"])
+ nf_nodes = int(kwargs[u"nf_nodes"])
+ queues = kwargs[u"rxq_count_int"] if kwargs[u"auto_scale"] else 1
+ vs_dtc = kwargs[u"vs_dtc"]
+ nf_dtc = kwargs[u"vs_dtc"] if kwargs[u"auto_scale"] \
+ else kwargs[u"nf_dtc"]
+ nf_dtcr = kwargs[u"nf_dtcr"] \
+ if isinstance(kwargs[u"nf_dtcr"], int) else 2
+
+ img = Constants.QEMU_VM_KERNEL
for nf_chain in range(1, nf_chains + 1):
for nf_node in range(1, nf_nodes + 1):
qemu_id = (nf_chain - 1) * nf_nodes + nf_node
- name = '{node}_{qemu_id}'.format(node=node, qemu_id=qemu_id)
- sock1 = '/var/run/vpp/sock-{qemu_id}-1'.format(qemu_id=qemu_id)
- sock2 = '/var/run/vpp/sock-{qemu_id}-2'.format(qemu_id=qemu_id)
- vif1_mac = kwargs['tg_if1_mac'] if nf_node == 1 \
- else '52:54:00:00:{id:02x}:02'.format(id=qemu_id - 1)
- vif2_mac = kwargs['tg_if2_mac'] if nf_node == nf_nodes \
- else '52:54:00:00:{id:02x}:01'.format(id=qemu_id + 1)
-
- self.machines_affinity[name] = get_affinity_vm(
+ name = f"{node}_{qemu_id}"
+ sock1 = f"/run/vpp/sock-{qemu_id}-1"
+ sock2 = f"/run/vpp/sock-{qemu_id}-2"
+ idx1 = (nf_chain - 1) * nf_nodes * 2 + nf_node * 2 - 1
+ vif1_mac = Topology.get_interface_mac(
+ self.nodes[node], f"vhost{idx1}"
+ ) if kwargs[u"vnf"] == u"testpmd_mac" \
+ else kwargs[u"tg_pf1_mac"] if nf_node == 1 \
+ else f"52:54:00:00:{(qemu_id - 1):02x}:02"
+ idx2 = (nf_chain - 1) * nf_nodes * 2 + nf_node * 2
+ vif2_mac = Topology.get_interface_mac(
+ self.nodes[node], f"vhost{idx2}"
+ ) if kwargs[u"vnf"] == u"testpmd_mac" \
+ else kwargs[u"tg_pf2_mac"] if nf_node == nf_nodes \
+ else f"52:54:00:00:{(qemu_id + 1):02x}:01"
+
+ self.machines_affinity[name] = CpuUtils.get_affinity_nf(
nodes=self.nodes, node=node, nf_chains=nf_chains,
nf_nodes=nf_nodes, nf_chain=nf_chain, nf_node=nf_node,
- cpu_count_int=cpu_count_int)
+ vs_dtc=vs_dtc, nf_dtc=nf_dtc, nf_dtcr=nf_dtcr
+ )
self.machines[name] = QemuUtils(
node=self.nodes[node], qemu_id=qemu_id,
smp=len(self.machines_affinity[name]), mem=4096,
- vnf=kwargs['vnf'], img=img)
+ vnf=kwargs[u"vnf"], img=img
+ )
self.machines[name].configure_kernelvm_vnf(
- mac1='52:54:00:00:{id:02x}:01'.format(id=qemu_id),
- mac2='52:54:00:00:{id:02x}:02'.format(id=qemu_id),
- vif1_mac=vif1_mac,
- vif2_mac=vif2_mac)
+ mac1=f"52:54:00:00:{qemu_id:02x}:01",
+ mac2=f"52:54:00:00:{qemu_id:02x}:02",
+ vif1_mac=vif1_mac, vif2_mac=vif2_mac, queues=queues,
+ jumbo_frames=kwargs[u"jumbo"]
+ )
self.machines[name].qemu_add_vhost_user_if(
- sock1, jumbo_frames=kwargs['jumbo'], queues=queues,
- queue_size=1024)
+ sock1, jumbo_frames=kwargs[u"jumbo"], queues=queues,
+ queue_size=kwargs[u"perf_qemu_qsz"],
+ csum=kwargs[u"enable_csum"], gso=kwargs[u"enable_gso"]
+ )
self.machines[name].qemu_add_vhost_user_if(
- sock2, jumbo_frames=kwargs['jumbo'], queues=queues,
- queue_size=1024)
+ sock2, jumbo_frames=kwargs[u"jumbo"], queues=queues,
+ queue_size=kwargs[u"perf_qemu_qsz"],
+ csum=kwargs[u"enable_csum"], gso=kwargs[u"enable_gso"]
+ )
def construct_vms_on_all_nodes(self, **kwargs):
"""Construct 1..Mx1..N VMs(s) with specified name on all nodes.
"""
self.initialize()
for node in self.nodes:
- if self.nodes[node]['type'] == NodeType.DUT:
+ if self.nodes[node][u"type"] == NodeType.DUT:
self.construct_vms_on_node(node=node, **kwargs)
def start_all_vms(self, pinning=False):
:param pinning: If True, then do also QEMU process pinning.
:type pinning: bool
"""
- for machine, machine_affinity in zip(self.machines.values(),
- self.machines_affinity.values()):
+ for machine, machine_affinity in \
+ zip(self.machines.values(), self.machines_affinity.values()):
machine.qemu_start()
if pinning:
machine.qemu_set_affinity(*machine_affinity)
- def set_scheduler_all_vms(self):
- """Set CFS scheduler policy on all VMs in manager."""
- for machine in self.machines.values():
- machine.qemu_set_scheduler_policy()
-
def kill_all_vms(self, force=False):
"""Kill all added VMs in manager.