def qemu_start(self):
"""Start QEMU and wait until VM boot.
:returns: VM node info.
:rtype: dict
"""
cmd_opts = OptionString()
cmd_opts.add(f"{Constants.QEMU_BIN_PATH}/qemu-system-{self._arch}")
cmd_opts.extend(self._params)
message = f"QEMU: Start failed on {self._node[u'host']}!"
try:
DUTSetup.check_huge_page(
self._node, u"/dev/hugepages", int(self._opt.get(u"mem")))
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()
raise
return self._vm_info
def qemu_start(self):
"""Start QEMU and wait until VM boot.
:returns: VM node info.
:rtype: dict
"""
cmd_opts = OptionString()
cmd_opts.add('{bin_path}/qemu-system-{arch}'.format(
bin_path=Constants.QEMU_BIN_PATH,
arch=Topology.get_node_arch(self._node)))
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'))
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()
raise
return self._vm_info
def qemu_start(self):
"""Start QEMU and wait until VM boot.
.. note:: First set at least node to run QEMU on.
:returns: VM node info.
:rtype: dict
"""
# Qemu binary path
bin_path = ('{qemu_path}{qemu_bin}'.
format(qemu_path=self._qemu_opt.get('qemu_path'),
qemu_bin=self._qemu_opt.get('qemu_bin')))
# Memory and huge pages
mem = ('-object memory-backend-file,id=mem,size={mem_size}M,'
'mem-path={path},share=on -m {mem_size} -numa node,memdev=mem'.
format(mem_size=self._qemu_opt.get('mem_size'),
path=self._qemu_opt.get('huge_mnt')))
# Drive option
drive = ('-drive file={disk_image},format=raw,cache=none,if=virtio'
'{locking}'.
format(disk_image=self._qemu_opt.get('disk_image'),
locking=',file.locking=off'\
if self._qemu_version_is_greater('2.10') else ''))
# SSH forwarding
ssh = ('-net user,hostfwd=tcp::{ssh_fwd_port}-:22'.
format(ssh_fwd_port=self._qemu_opt.get('ssh_fwd_port')))
# Setup QMP via unix socket
qmp = ('-qmp unix:{qmp_sock},server,nowait'.
format(qmp_sock=self._qemu_opt.get('qmp_sock')))
# Setup QGA via chardev (unix socket) and isa-serial channel
qga = ('-chardev socket,path={qga_sock},server,nowait,id=qga0 '
'-device isa-serial,chardev=qga0'.
format(qga_sock=self._qemu_opt.get('qga_sock')))
# Setup serial console
serial = ('-chardev socket,host=127.0.0.1,port={serial_port},id=gnc0,'
'server,nowait -device isa-serial,chardev=gnc0'.
format(serial_port=self._qemu_opt.get('serial_port')))
# Graphic setup
graphic = '-monitor none -display none -vga none'
# PID file
pid = ('-pidfile {pid_file}'.
format(pid_file=self._qemu_opt.get('pid_file')))
# By default check only if hugepages are available.
# If 'huge_allocate' is set to true try to allocate as well.
DUTSetup.check_huge_page(self._node, self._qemu_opt.get('huge_mnt'),
self._qemu_opt.get('mem_size'),
allocate=self._qemu_opt.get('huge_allocate'))
# Run QEMU
cmd = ('{bin_path} {smp} {mem} {ssh} {options} {drive} {qmp} {serial} '
'{qga} {graphic} {pid}'.
format(bin_path=bin_path, smp=self._qemu_opt.get('smp'),
mem=mem, ssh=ssh, options=self._qemu_opt.get('options'),
drive=drive, qmp=qmp, serial=serial, qga=qga,
graphic=graphic, pid=pid))
try:
ret_code, _, _ = self._ssh.exec_command_sudo(cmd, timeout=300)
if int(ret_code) != 0:
raise RuntimeError('QEMU start failed on {host}'.
format(host=self._node['host']))
# Wait until VM boot
self._wait_until_vm_boot()
except (RuntimeError, SSHTimeout):
self.qemu_kill_all()
self.qemu_clear_socks()
raise
logger.trace('QEMU started successfully.')
# Update interface names in VM node dict
self._update_vm_interfaces()
# Return VM node dict
return self._vm_info
