def _prepare_args(self):
# add --graphics none later
# add whatever serial cmds are needed later
args = [
"-n", self._virt_name, "-r",
str(self._memory), "--noautoconsole", "--vcpus",
str(self._vcpu_count), "--rng", "/dev/random"
]
# CHECKME This seems to be necessary because of ipxe ibft chain booting,
# otherwise the vm is created but it does not boot into installation
if not self._boot:
args.append("--noreboot")
args.append("--graphics")
if self._vnc:
args.append(self._vnc)
else:
args.append("none")
for ks in self._ks_paths:
args.append("--initrd-inject")
args.append(ks)
for disk in self._disk_paths:
args.append("--disk")
args.append("path={0},bus=sata".format(disk))
for nic in self._nics or []:
args.append("--network")
args.append(nic)
if self._iso.stage2:
disk_opts = "path={0},device=cdrom,readonly=on,shareable=on".format(
self._iso.iso_path)
args.append("--disk")
args.append(disk_opts)
if self._ks_paths:
extra_args = "ks=file:/{0}".format(
os.path.basename(self._ks_paths[0]))
else:
extra_args = ""
if not self._vnc:
extra_args += " inst.cmdline"
if self._kernel_args:
extra_args += " " + self._kernel_args
if self._iso.stage2:
extra_args += " stage2=hd:CDLABEL={0}".format(
udev_escape(self._iso.label))
if self._boot:
# eg booting from ipxe to emulate ibft firmware
args.append("--boot")
args.append(self._boot)
else:
args.append("--extra-args")
args.append(extra_args)
args.append("--location")
args.append(self._iso.iso_path +
",kernel=isolinux/vmlinuz,initrd=isolinux/initrd.img")
channel_args = "tcp,host={0}:{1},mode=connect,target_type=virtio" \
",name=org.fedoraproject.anaconda.log.0".format(
self._virtio_host, self._virtio_port)
args.append("--channel")
args.append(channel_args)
return args
def __init__(self,
opts,
iso,
ks_paths,
disk_img,
img_size=2048,
kernel_args=None,
memory=1024,
vcpus=None,
vnc=None,
arch=None,
cancel_func=None,
virtio_host="127.0.0.1",
virtio_port=6080,
image_type=None,
boot_uefi=False,
ovmf_path=None):
"""
Start the installation
:param iso: Information about the iso to use for the installation
:type iso: IsoMountpoint
:param list ks_paths: Paths to kickstart files. All are injected, the
first one is the one executed.
:param str disk_img: Path to a disk image, created it it doesn't exist
:param int img_size: The image size, in MiB, to create if it doesn't exist
:param str kernel_args: Extra kernel arguments to pass on the kernel cmdline
:param int memory: Amount of RAM to assign to the virt, in MiB
:param int vcpus: Number of virtual cpus
:param str vnc: Arguments to pass to qemu -display
:param str arch: Optional architecture to use in the virt
:param cancel_func: Function that returns True if the installation fails
:type cancel_func: function
:param str virtio_host: Hostname to connect virtio log to
:param int virtio_port: Port to connect virtio log to
:param str image_type: Type of qemu-img disk to create, or None.
:param bool boot_uefi: Use OVMF to boot the VM in UEFI mode
:param str ovmf_path: Path to the OVMF firmware
"""
# Lookup qemu-system- for arch if passed, or try to guess using host arch
qemu_cmd = [
self.QEMU_CMDS.get(arch or os.uname().machine,
"qemu-system-" + os.uname().machine)
]
if not os.path.exists("/usr/bin/" + qemu_cmd[0]):
raise InstallError("%s does not exist, cannot run qemu" %
qemu_cmd[0])
qemu_cmd += ["-no-user-config"]
qemu_cmd += ["-m", str(memory)]
if vcpus:
qemu_cmd += ["-smp", str(vcpus)]
if not opts.no_kvm and os.path.exists("/dev/kvm"):
qemu_cmd += ["--machine", "accel=kvm"]
# Copy the initrd from the iso, create a cpio archive of the kickstart files
# and append it to the temporary initrd.
qemu_initrd = append_initrd(iso.initrd, ks_paths)
qemu_cmd += ["-kernel", iso.kernel]
qemu_cmd += ["-initrd", qemu_initrd]
# Add the disk and cdrom
if not os.path.isfile(disk_img):
mksparse(disk_img, img_size * 1024**2)
drive_args = "file=%s" % disk_img
drive_args += ",cache=unsafe,discard=unmap"
if image_type:
drive_args += ",format=%s" % image_type
else:
drive_args += ",format=raw"
qemu_cmd += ["-drive", drive_args]
drive_args = "file=%s,media=cdrom,readonly=on" % iso.iso_path
qemu_cmd += ["-drive", drive_args]
# Setup the cmdline args
# ======================
cmdline_args = "ks=file:/%s" % os.path.basename(ks_paths[0])
cmdline_args += " inst.stage2=hd:LABEL=%s" % udev_escape(iso.label)
if opts.proxy:
cmdline_args += " inst.proxy=%s" % opts.proxy
if kernel_args:
cmdline_args += " " + kernel_args
cmdline_args += " inst.text inst.cmdline"
qemu_cmd += ["-append", cmdline_args]
if not opts.vnc:
vnc_port = find_free_port()
if vnc_port == -1:
raise InstallError("No free VNC ports")
display_args = "vnc=127.0.0.1:%d" % (vnc_port - 5900)
else:
display_args = opts.vnc
log.info("qemu %s", display_args)
qemu_cmd += ["-nographic", "-display", display_args]
# Setup the virtio log port
qemu_cmd += ["-device", "virtio-serial-pci,id=virtio-serial0"]
qemu_cmd += [
"-device",
"virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0"
",id=channel0,name=org.fedoraproject.anaconda.log.0"
]
qemu_cmd += [
"-chardev",
"socket,id=charchannel0,host=%s,port=%s" %
(virtio_host, virtio_port)
]
# PAss through rng from host
if opts.with_rng != "none":
qemu_cmd += [
"-object",
"rng-random,id=virtio-rng0,filename=%s" % opts.with_rng
]
qemu_cmd += [
"-device",
"virtio-rng-pci,rng=virtio-rng0,id=rng0,bus=pci.0,addr=0x9"
]
if boot_uefi and ovmf_path:
qemu_cmd += [
"-drive",
"file=%s/OVMF_CODE.fd,if=pflash,format=raw,unit=0,readonly=on"
% ovmf_path
]
# Make a copy of the OVMF_VARS.fd for this run
ovmf_vars = tempfile.mktemp(prefix="lmc-OVMF_VARS-", suffix=".fd")
shutil.copy2(joinpaths(ovmf_path, "/OVMF_VARS.fd"), ovmf_vars)
qemu_cmd += [
"-drive",
"file=%s,if=pflash,format=raw,unit=1" % ovmf_vars
]
log.info("Running qemu")
log.debug(qemu_cmd)
try:
execWithRedirect(qemu_cmd[0],
qemu_cmd[1:],
reset_lang=False,
raise_err=True,
callback=lambda p: not cancel_func())
except subprocess.CalledProcessError as e:
log.error("Running qemu failed:")
log.error("cmd: %s", " ".join(e.cmd))
log.error("output: %s", e.output or "")
raise InstallError("QEMUInstall failed")
except (OSError, KeyboardInterrupt) as e:
log.error("Running qemu failed: %s", str(e))
raise InstallError("QEMUInstall failed")
finally:
os.unlink(qemu_initrd)
if boot_uefi and ovmf_path:
os.unlink(ovmf_vars)
if cancel_func():
log.error("Installation error detected. See logfile for details.")
raise InstallError("QEMUInstall failed")
else:
log.info("Installation finished without errors.")
#!/usr/bin/python3
import sys
from pylorax.treebuilder import udev_escape
if len(sys.argv) != 2:
print("Usage: %s <string>" % sys.argv[0], file=sys.stderr)
sys.exit(1)
print(udev_escape(sys.argv[1]))