"""QEMU utilities library."""
-from time import sleep
-from string import Template
-import json
-from re import match
# Disable due to pylint bug
# pylint: disable=no-name-in-module,import-error
from distutils.version import StrictVersion
+import json
+from re import match
+from string import Template
+from time import sleep
from robot.api import logger
-from resources.libraries.python.ssh import exec_cmd, exec_cmd_no_error
from resources.libraries.python.Constants import Constants
from resources.libraries.python.DpdkUtil import DpdkUtil
from resources.libraries.python.DUTSetup import DUTSetup
-from resources.libraries.python.topology import NodeType, Topology
+from resources.libraries.python.OptionString import OptionString
from resources.libraries.python.VppConfigGenerator import VppConfigGenerator
from resources.libraries.python.VPPUtil import VPPUtil
+from resources.libraries.python.ssh import exec_cmd, exec_cmd_no_error
+from resources.libraries.python.topology import NodeType, Topology
-__all__ = ["QemuOptions", "QemuUtils"]
-
-
-class QemuOptions(object):
- """QEMU option class.
-
- The class can handle input parameters that acts as QEMU command line
- parameters. The only variable is a list of dictionaries where dictionaries
- can be added multiple times. This emulates the QEMU behavior where one
- command line parameter can be used multiple times (1..N). Example can be
- device or object (so it is not an issue to have one memory
- block of 2G and and second memory block of 512M but from other numa).
-
- Class does support get value or string representation that will return
- space separated, dash prefixed string of key value pairs used for command
- line.
- """
-
- # Use one instance of class per tests.
- ROBOT_LIBRARY_SCOPE = 'TEST CASE'
-
- def __init__(self):
- self.variables = list()
-
- def add(self, variable, value):
- """Add parameter to the list.
-
- :param variable: QEMU parameter name (without dash).
- :param value: Paired value.
- :type variable: str
- :type value: str or int
- """
- self.variables.append({str(variable): value})
-
- def __str__(self):
- """Return space separated string of key value pairs.
-
- The format is suitable to be pasted to qemu command line.
-
- :returns: Space separated string of key value pairs.
- :rtype: str
- """
- return " ".join(["-{k} {v}".format(k=d.keys()[0], v=d.values()[0])
- for d in self.variables])
+__all__ = ["QemuUtils"]
class QemuUtils(object):
"""
self._vhost_id = 0
self._node = node
+ self._arch = Topology.get_node_arch(self._node)
+ dpdk_target = 'arm64-armv8a' if self._arch == 'aarch64' \
+ else 'x86_64-native'
+ self._testpmd_path = '{path}/{dpdk_target}-linuxapp-gcc/app'\
+ .format(path=Constants.QEMU_VM_DPDK, dpdk_target=dpdk_target)
self._vm_info = {
'host': node['host'],
'type': NodeType.VM,
# Temporary files.
self._temp = dict()
self._temp['pidfile'] = '/var/run/qemu_{id}.pid'.format(id=qemu_id)
- if '/var/lib/vm/' in img:
+ if img == Constants.QEMU_VM_IMAGE:
self._opt['vm_type'] = 'nestedvm'
self._temp['qmp'] = '/var/run/qmp_{id}.sock'.format(id=qemu_id)
self._temp['qga'] = '/var/run/qga_{id}.sock'.format(id=qemu_id)
- elif '/opt/boot/vmlinuz' in img:
+ elif img == Constants.QEMU_VM_KERNEL:
+ self._opt['img'], _ = exec_cmd_no_error(
+ node,
+ 'ls -1 {img}* | tail -1'.format(img=Constants.QEMU_VM_KERNEL),
+ message='Qemu Kernel VM image not found!')
self._opt['vm_type'] = 'kernelvm'
self._temp['log'] = '/tmp/serial_{id}.log'.format(id=qemu_id)
self._temp['ini'] = '/etc/vm_init_{id}.conf'.format(id=qemu_id)
+ self._opt['initrd'], _ = exec_cmd_no_error(
+ node,
+ 'ls -1 {initrd}* | tail -1'.format(
+ initrd=Constants.QEMU_VM_KERNEL_INITRD),
+ message='Qemu Kernel initrd image not found!')
else:
- raise RuntimeError('QEMU: Unknown VM image option!')
+ raise RuntimeError('QEMU: Unknown VM image option: {}'.format(img))
# Computed parameters for QEMU command line.
- self._params = QemuOptions()
+ self._params = OptionString(prefix='-')
self.add_params()
def add_params(self):
def add_default_params(self):
"""Set default QEMU command line parameters."""
- self._params.add('daemonize', '')
- self._params.add('nodefaults', '')
- self._params.add('name', 'vnf{qemu},debug-threads=on'.
- format(qemu=self._opt.get('qemu_id')))
- self._params.add('no-user-config', '')
- self._params.add('monitor', 'none')
- self._params.add('display', 'none')
- self._params.add('vga', 'none')
- self._params.add('enable-kvm', '')
- self._params.add('pidfile', '{pidfile}'.
- format(pidfile=self._temp.get('pidfile')))
- self._params.add('cpu', 'host')
- self._params.add('machine', 'pc,accel=kvm,usb=off,mem-merge=off')
- self._params.add('smp', '{smp},sockets=1,cores={smp},threads=1'.
- format(smp=self._opt.get('smp')))
- self._params.add('object',
- 'memory-backend-file,id=mem,size={mem}M,'
- 'mem-path=/dev/hugepages,share=on'.
- format(mem=self._opt.get('mem')))
- self._params.add('m', '{mem}M'.
- format(mem=self._opt.get('mem')))
- self._params.add('numa', 'node,memdev=mem')
- self._params.add('balloon', 'none')
+ self._params.add('daemonize')
+ self._params.add('nodefaults')
+ self._params.add_with_value('name', 'vnf{qemu},debug-threads=on'.format(
+ qemu=self._opt.get('qemu_id')))
+ self._params.add('no-user-config')
+ self._params.add_with_value('monitor', 'none')
+ self._params.add_with_value('display', 'none')
+ self._params.add_with_value('vga', 'none')
+ self._params.add('enable-kvm')
+ self._params.add_with_value('pidfile', self._temp.get('pidfile'))
+ self._params.add_with_value('cpu', 'host')
+
+ if self._arch == 'aarch64':
+ machine_args = 'virt,accel=kvm,usb=off,mem-merge=off,gic-version=3'
+ else:
+ machine_args = 'pc,accel=kvm,usb=off,mem-merge=off'
+ self._params.add_with_value(
+ 'machine', machine_args)
+ self._params.add_with_value(
+ 'smp', '{smp},sockets=1,cores={smp},threads=1'.format(
+ smp=self._opt.get('smp')))
+ self._params.add_with_value(
+ 'object', 'memory-backend-file,id=mem,size={mem}M,'
+ 'mem-path=/dev/hugepages,share=on'.format(mem=self._opt.get('mem')))
+ self._params.add_with_value(
+ 'm', '{mem}M'.format(mem=self._opt.get('mem')))
+ self._params.add_with_value('numa', 'node,memdev=mem')
+ self._params.add_with_value('balloon', 'none')
def add_nestedvm_params(self):
"""Set NestedVM QEMU parameters."""
- self._params.add('net', 'nic,macaddr=52:54:00:00:{qemu:02x}:ff'.
- format(qemu=self._opt.get('qemu_id')))
- self._params.add('net', 'user,hostfwd=tcp::{info[port]}-:22'.
- format(info=self._vm_info))
+ self._params.add_with_value(
+ 'net', 'nic,macaddr=52:54:00:00:{qemu:02x}:ff'.format(
+ qemu=self._opt.get('qemu_id')))
+ self._params.add_with_value(
+ 'net', 'user,hostfwd=tcp::{info[port]}-:22'.format(
+ info=self._vm_info))
# TODO: Remove try except after fully migrated to Bionic or
# qemu_set_node is removed.
try:
if self.qemu_version(version='2.10') else ''
except AttributeError:
locking = ''
- self._params.add('drive',
- 'file={img},format=raw,cache=none,if=virtio{locking}'.
- format(img=self._opt.get('img'), locking=locking))
- self._params.add('qmp', 'unix:{qmp},server,nowait'.
- format(qmp=self._temp.get('qmp')))
- self._params.add('chardev', 'socket,host=127.0.0.1,port={info[serial]},'
- 'id=gnc0,server,nowait'.format(info=self._vm_info))
- self._params.add('device', 'isa-serial,chardev=gnc0')
- self._params.add('chardev',
- 'socket,path={qga},server,nowait,id=qga0'.
- format(qga=self._temp.get('qga')))
- self._params.add('device', 'isa-serial,chardev=qga0')
+ self._params.add_with_value(
+ 'drive', 'file={img},format=raw,cache=none,if=virtio{locking}'.
+ format(img=self._opt.get('img'), locking=locking))
+ self._params.add_with_value(
+ 'qmp', 'unix:{qmp},server,nowait'.format(qmp=self._temp.get('qmp')))
+ self._params.add_with_value(
+ 'chardev', 'socket,host=127.0.0.1,port={info[serial]},'
+ 'id=gnc0,server,nowait'.format(info=self._vm_info))
+ self._params.add_with_value('device', 'isa-serial,chardev=gnc0')
+ self._params.add_with_value(
+ 'chardev', 'socket,path={qga},server,nowait,id=qga0'.format(
+ qga=self._temp.get('qga')))
+ self._params.add_with_value('device', 'isa-serial,chardev=qga0')
def add_kernelvm_params(self):
"""Set KernelVM QEMU parameters."""
- self._params.add('chardev', 'file,id=char0,path={log}'.
- format(log=self._temp.get('log')))
- self._params.add('device', 'isa-serial,chardev=char0')
- self._params.add('fsdev', 'local,id=root9p,path=/,security_model=none')
- self._params.add('device',
- 'virtio-9p-pci,fsdev=root9p,mount_tag=/dev/root')
- self._params.add('kernel', '$(readlink -m {img}* | tail -1)'.
- format(img=self._opt.get('img')))
- self._params.add('append',
- '"ro rootfstype=9p rootflags=trans=virtio '
- 'console=ttyS0 tsc=reliable hugepages=256 '
- 'init={init}"'.format(init=self._temp.get('ini')))
+ console = 'ttyAMA0' if self._arch == 'aarch64' else 'ttyS0'
+ self._params.add_with_value('serial', 'file:{log}'.format(
+ log=self._temp.get('log')))
+ self._params.add_with_value(
+ 'fsdev', 'local,id=root9p,path=/,security_model=none')
+ self._params.add_with_value(
+ 'device', 'virtio-9p-pci,fsdev=root9p,mount_tag=virtioroot')
+ self._params.add_with_value(
+ 'kernel', '{img}'.format(img=self._opt.get('img')))
+ self._params.add_with_value(
+ 'initrd', '{initrd}'.format(initrd=self._opt.get('initrd')))
+ self._params.add_with_value(
+ 'append', '"ro rootfstype=9p rootflags=trans=virtio '
+ 'root=virtioroot console={console} tsc=reliable '
+ 'hugepages=256 init={init} fastboot"'.format(
+ console=console, init=self._temp.get('ini')))
def create_kernelvm_config_vpp(self, **kwargs):
"""Create QEMU VPP config files.
vpp_config.add_unix_nodaemon()
vpp_config.add_unix_cli_listen()
vpp_config.add_unix_exec(running)
+ vpp_config.add_socksvr()
vpp_config.add_cpu_main_core('0')
- vpp_config.add_cpu_corelist_workers('1-{smp}'.
- format(smp=self._opt.get('smp')-1))
+ if self._opt.get('smp') > 1:
+ vpp_config.add_cpu_corelist_workers('1-{smp}'.format(
+ smp=self._opt.get('smp')-1))
vpp_config.add_dpdk_dev('0000:00:06.0', '0000:00:07.0')
+ vpp_config.add_dpdk_dev_default_rxq(kwargs['queues'])
vpp_config.add_dpdk_log_level('debug')
if not kwargs['jumbo_frames']:
vpp_config.add_dpdk_no_multi_seg()
vpp_config.add_dpdk_no_tx_checksum_offload()
vpp_config.add_plugin('disable', 'default')
vpp_config.add_plugin('enable', 'dpdk_plugin.so')
- vpp_config.apply_config(startup, restart_vpp=False)
+ vpp_config.write_config(startup)
# Create VPP running configuration.
template = '{res}/{tpl}.exec'.format(res=Constants.RESOURCES_TPL_VM,
with open(template, 'r') as src_file:
src = Template(src_file.read())
- exec_cmd_no_error(self._node, "echo '{out}' | sudo tee {running}".
- format(out=src.safe_substitute(**kwargs),
- running=running))
+ exec_cmd_no_error(
+ self._node, "echo '{out}' | sudo tee {running}".format(
+ out=src.safe_substitute(**kwargs), running=running))
def create_kernelvm_config_testpmd_io(self, **kwargs):
"""Create QEMU testpmd-io command line.
:param kwargs: Key-value pairs to construct command line parameters.
:type kwargs: dict
"""
- testpmd_path = ('{path}/{arch}-native-linuxapp-gcc/app'.
- format(path=Constants.QEMU_VM_DPDK,
- arch=Topology.get_node_arch(self._node)))
testpmd_cmd = DpdkUtil.get_testpmd_cmdline(
eal_corelist='0-{smp}'.format(smp=self._opt.get('smp') - 1),
eal_driver=False,
pmd_num_mbufs=16384,
pmd_rxq=kwargs['queues'],
pmd_txq=kwargs['queues'],
- pmd_tx_offloads=False,
+ pmd_tx_offloads='0x0',
pmd_disable_hw_vlan=False,
- pmd_max_pkt_len=9200 if kwargs['jumbo_frames'] else None,
pmd_nb_cores=str(self._opt.get('smp') - 1))
self._opt['vnf_bin'] = ('{testpmd_path}/{testpmd_cmd}'.
- format(testpmd_path=testpmd_path,
+ format(testpmd_path=self._testpmd_path,
testpmd_cmd=testpmd_cmd))
def create_kernelvm_config_testpmd_mac(self, **kwargs):
:param kwargs: Key-value pairs to construct command line parameters.
:type kwargs: dict
"""
- testpmd_path = ('{path}/{arch}-native-linuxapp-gcc/app'.
- format(path=Constants.QEMU_VM_DPDK,
- arch=Topology.get_node_arch(self._node)))
testpmd_cmd = DpdkUtil.get_testpmd_cmdline(
eal_corelist='0-{smp}'.format(smp=self._opt.get('smp') - 1),
eal_driver=False,
pmd_eth_peer_1='1,{mac}'.format(mac=kwargs['vif2_mac']),
pmd_rxq=kwargs['queues'],
pmd_txq=kwargs['queues'],
- pmd_tx_offloads=False,
+ pmd_tx_offloads='0x0',
pmd_disable_hw_vlan=False,
- pmd_max_pkt_len=9200 if kwargs['jumbo_frames'] else None,
pmd_nb_cores=str(self._opt.get('smp') - 1))
self._opt['vnf_bin'] = ('{testpmd_path}/{testpmd_cmd}'.
- format(testpmd_path=testpmd_path,
+ format(testpmd_path=self._testpmd_path,
testpmd_cmd=testpmd_cmd))
def create_kernelvm_init(self, **kwargs):
"""
template = '{res}/init.sh'.format(res=Constants.RESOURCES_TPL_VM)
init = self._temp.get('ini')
- exec_cmd_no_error(self._node, 'rm -f {init}'.format(init=init),
- sudo=True)
+ exec_cmd_no_error(
+ self._node, 'rm -f {init}'.format(init=init), sudo=True)
with open(template, 'r') as src_file:
src = Template(src_file.read())
- exec_cmd_no_error(self._node, "echo '{out}' | sudo tee {init}".
- format(out=src.safe_substitute(**kwargs),
- init=init))
- exec_cmd_no_error(self._node, "chmod +x {init}".
- format(init=init), sudo=True)
+ exec_cmd_no_error(
+ self._node, "echo '{out}' | sudo tee {init}".format(
+ out=src.safe_substitute(**kwargs), init=init))
+ exec_cmd_no_error(
+ self._node, "chmod +x {init}".format(init=init), sudo=True)
def configure_kernelvm_vnf(self, **kwargs):
"""Create KernelVM VNF configurations.
self.create_kernelvm_config_testpmd_mac(**kwargs)
else:
raise RuntimeError('QEMU: Unsupported VNF!')
- self.create_kernelvm_init(vnf_bin=self._opt.get('vnf_bin'))
+ self.create_kernelvm_init(vnf_bin=self._opt['vnf_bin'])
def get_qemu_pids(self):
"""Get QEMU CPU pids.
:type queues: int
"""
self._vhost_id += 1
- self._params.add('chardev',
- 'socket,id=char{vhost},path={socket}{server}'.
- format(vhost=self._vhost_id, socket=socket,
- server=',server' if server is True else ''))
- self._params.add('netdev',
- 'vhost-user,id=vhost{vhost},'
- 'chardev=char{vhost},queues={queues}'.
- format(vhost=self._vhost_id, queues=queues))
+ self._params.add_with_value(
+ 'chardev', 'socket,id=char{vhost},path={socket}{server}'.format(
+ vhost=self._vhost_id, socket=socket,
+ server=',server' if server is True else ''))
+ self._params.add_with_value(
+ 'netdev', 'vhost-user,id=vhost{vhost},chardev=char{vhost},'
+ 'queues={queues}'.format(vhost=self._vhost_id, queues=queues))
mac = ('52:54:00:00:{qemu:02x}:{vhost:02x}'.
format(qemu=self._opt.get('qemu_id'), vhost=self._vhost_id))
queue_size = ('rx_queue_size={queue_size},tx_queue_size={queue_size}'.
format(queue_size=queue_size)) if queue_size else ''
mbuf = 'on,host_mtu=9200'
- self._params.add('device',
- 'virtio-net-pci,netdev=vhost{vhost},'
- 'mac={mac},bus=pci.0,addr={addr}.0,mq=on,'
- 'vectors={vectors},csum=off,gso=off,'
- 'guest_tso4=off,guest_tso6=off,guest_ecn=off,'
- 'mrg_rxbuf={mbuf},{queue_size}'.
- format(addr=self._vhost_id+5,
- vhost=self._vhost_id, mac=mac,
- mbuf=mbuf if jumbo_frames else 'off',
- queue_size=queue_size,
- vectors=(2 * queues + 2)))
+ self._params.add_with_value(
+ 'device', 'virtio-net-pci,netdev=vhost{vhost},mac={mac},'
+ 'addr={addr}.0,mq=on,vectors={vectors},csum=off,gso=off,'
+ 'guest_tso4=off,guest_tso6=off,guest_ecn=off,mrg_rxbuf={mbuf},'
+ '{queue_size}'.format(
+ addr=self._vhost_id+5, vhost=self._vhost_id, mac=mac,
+ mbuf=mbuf if jumbo_frames else 'off', queue_size=queue_size,
+ vectors=(2 * queues + 2)))
# Add interface MAC and socket to the node dict.
if_data = {'mac_address': mac, 'socket': socket}
format(cmd=cmd, qmp=self._temp.get('qmp')))
message = ('QMP execute "{cmd}" failed on {host}'.
format(cmd=cmd, host=self._node['host']))
- stdout, _ = exec_cmd_no_error(self._node, command, sudo=False,
- message=message)
+ stdout, _ = exec_cmd_no_error(
+ self._node, command, sudo=False, message=message)
# Skip capabilities negotiation messages.
out_list = stdout.splitlines()
if len(out_list) < 3:
- raise RuntimeError('Invalid QMP output on {host}'.
- format(host=self._node['host']))
+ raise RuntimeError(
+ 'Invalid QMP output on {host}'.format(host=self._node['host']))
return json.loads(out_list[2])
def _qemu_qga_flush(self):
'sudo -S socat - UNIX-CONNECT:{qga}'.
format(qga=self._temp.get('qga')))
message = ('QGA flush failed on {host}'.format(host=self._node['host']))
- stdout, _ = exec_cmd_no_error(self._node, command, sudo=False,
- message=message)
+ stdout, _ = exec_cmd_no_error(
+ self._node, command, sudo=False, message=message)
return json.loads(stdout.split('\n', 1)[0]) if stdout else dict()
format(cmd=cmd, qga=self._temp.get('qga')))
message = ('QGA execute "{cmd}" failed on {host}'.
format(cmd=cmd, host=self._node['host']))
- stdout, _ = exec_cmd_no_error(self._node, command, sudo=False,
- message=message)
+ stdout, _ = exec_cmd_no_error(
+ self._node, command, sudo=False, message=message)
return json.loads(stdout.split('\n', 1)[0]) if stdout else dict()
mac = interface.get('mac_address')
if_name = mac_name.get(mac)
if if_name is None:
- logger.trace('Interface name for MAC {mac} not found'.
- format(mac=mac))
+ logger.trace(
+ 'Interface name for MAC {mac} not found'.format(mac=mac))
else:
interface['name'] = if_name
:returns: VM node info.
:rtype: dict
"""
- command = ('{bin_path}/qemu-system-{arch} {params}'.
- format(bin_path=Constants.QEMU_BIN_PATH,
- arch=Topology.get_node_arch(self._node),
- params=self._params))
+ cmd_opts = OptionString()
+ cmd_opts.add('{bin_path}/qemu-system-{arch}'.format(
+ bin_path=Constants.QEMU_BIN_PATH, arch=self._arch))
+ cmd_opts.extend(self._params)
message = ('QEMU: Start failed on {host}!'.
format(host=self._node['host']))
try:
- DUTSetup.check_huge_page(self._node, '/dev/hugepages',
- self._opt.get('mem'))
+ DUTSetup.check_huge_page(
+ self._node, '/dev/hugepages', self._opt.get('mem'))
- exec_cmd_no_error(self._node, command, timeout=300, sudo=True,
- message=message)
+ exec_cmd_no_error(
+ self._node, cmd_opts, timeout=300, sudo=True, message=message)
self._wait_until_vm_boot()
except RuntimeError:
self.qemu_kill_all()
:returns: Qemu version or Boolean if version is higher than parameter.
:rtype: str or bool
"""
- command = ('{bin_path}/qemu-system-{arch} --version'.
- format(bin_path=Constants.QEMU_BIN_PATH,
- arch=Topology.get_node_arch(self._node)))
+ command = ('{bin_path}/qemu-system-{arch} --version'.format(
+ bin_path=Constants.QEMU_BIN_PATH,
+ arch=self._arch))
try:
stdout, _ = exec_cmd_no_error(self._node, command, sudo=True)
ver = match(r'QEMU emulator version ([\d.]*)', stdout).group(1)
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