1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
# Copyright (c) 2019 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:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""QEMU Manager library."""
from collections import OrderedDict
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"]
class QemuManager(object):
"""QEMU lifecycle management class"""
# Use one instance of class per tests.
ROBOT_LIBRARY_SCOPE = 'TEST CASE'
def __init__(self, nodes):
"""Init QemuManager object."""
self.machines = None
self.machines_affinity = None
self.nodes = nodes
def initialize(self):
"""Initialize QemuManager object."""
self.machines = OrderedDict()
self.machines_affinity = OrderedDict()
def construct_vms_on_node(self, **kwargs):
"""Construct 1..Mx1..N VMs(s) on node with specified name.
: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
vs_dtc = kwargs['vs_dtc']
nf_dtc = kwargs['vs_dtc'] if kwargs['auto_scale'] else kwargs['nf_dtc']
nf_dtcr = kwargs['nf_dtcr'] if isinstance(kwargs['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 = Topology.get_interface_mac(
self.nodes[node], 'vhost{idx}'.format(
idx=(nf_chain - 1) * nf_nodes * 2 + nf_node * 2 - 1)) \
if kwargs['vnf'] == 'testpmd_mac' \
else kwargs['tg_if1_mac'] if nf_node == 1 \
else '52:54:00:00:{id:02x}:02'.format(id=qemu_id - 1)
vif2_mac = Topology.get_interface_mac(
self.nodes[node], 'vhost{idx}'.format(
idx=(nf_chain - 1) * nf_nodes * 2 + nf_node * 2)) \
if kwargs['vnf'] == 'testpmd_mac' \
else 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] = 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,
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)
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,
queues=queues,
jumbo_frames=kwargs['jumbo'])
self.machines[name].qemu_add_vhost_user_if(
sock1, jumbo_frames=kwargs['jumbo'], queues=queues,
queue_size=kwargs['perf_qemu_qsz'])
self.machines[name].qemu_add_vhost_user_if(
sock2, jumbo_frames=kwargs['jumbo'], queues=queues,
queue_size=kwargs['perf_qemu_qsz'])
def construct_vms_on_all_nodes(self, **kwargs):
"""Construct 1..Mx1..N VMs(s) with specified name on all nodes.
:param kwargs: Named parameters.
:type kwargs: dict
"""
self.initialize()
for node in self.nodes:
if self.nodes[node]['type'] == NodeType.DUT:
self.construct_vms_on_node(node=node, **kwargs)
def start_all_vms(self, pinning=False):
"""Start all added VMs in manager.
: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()):
machine.qemu_start()
if pinning:
machine.qemu_set_affinity(*machine_affinity)
def kill_all_vms(self, force=False):
"""Kill all added VMs in manager.
:param force: Force kill all Qemu instances by pkill qemu if True.
:type force: bool
"""
for machine in self.machines.values():
if force:
machine.qemu_kill_all()
else:
machine.qemu_kill()
|
