class FilesystemController(SubiquityController):
autoinstall_key = "storage"
autoinstall_schema = {'type': 'object'} # ...
model_name = "filesystem"
def __init__(self, app):
self.ai_data = {}
super().__init__(app)
self.model.target = app.base_model.target
if self.opts.dry_run and self.opts.bootloader:
name = self.opts.bootloader.upper()
self.model.bootloader = getattr(Bootloader, name)
self.answers.setdefault('guided', False)
self.answers.setdefault('guided-index', 0)
self.answers.setdefault('manual', [])
self._monitor = None
self._crash_reports = {}
self._probe_once_task = SingleInstanceTask(self._probe_once,
propagate_errors=False)
self._probe_task = SingleInstanceTask(self._probe,
propagate_errors=False)
if self.model.bootloader == Bootloader.PREP:
self.supports_resilient_boot = False
else:
release = lsb_release()['release']
self.supports_resilient_boot = release >= '20.04'
def load_autoinstall_data(self, data):
log.debug("load_autoinstall_data %s", data)
if data is None:
if not self.interactive():
data = {
'layout': {
'name': 'lvm',
},
}
else:
data = {}
log.debug("self.ai_data = %s", data)
self.ai_data = data
@with_context()
async def apply_autoinstall_config(self, context):
self.stop_listening_udev()
await self._start_task
await self._probe_task.wait()
self.convert_autoinstall_config()
if not self.model.is_root_mounted():
raise Exception("autoinstall config did not mount root")
if self.model.needs_bootloader_partition():
raise Exception(
"autoinstall config did not create needed bootloader "
"partition")
async def _probe_once(self, restricted):
if restricted:
probe_types = {'blockdev'}
fname = 'probe-data-restricted.json'
key = "ProbeDataRestricted"
else:
probe_types = None
fname = 'probe-data.json'
key = "ProbeData"
storage = await run_in_thread(self.app.prober.get_storage, probe_types)
fpath = os.path.join(self.app.block_log_dir, fname)
with open(fpath, 'w') as fp:
json.dump(storage, fp, indent=4)
self.app.note_file_for_apport(key, fpath)
self.model.load_probe_data(storage)
async def _probe(self):
with self.context.child("_probe") as context:
async with self.app.install_lock_file.shared():
self._crash_reports = {}
if isinstance(self.ui.body, ProbingFailed):
self.ui.set_body(SlowProbing(self))
schedule_task(self._wait_for_probing())
for (restricted, kind) in [
(False, ErrorReportKind.BLOCK_PROBE_FAIL),
(True, ErrorReportKind.DISK_PROBE_FAIL),
]:
try:
desc = "restricted={}".format(restricted)
with context.child("probe_once", desc):
await self._probe_once_task.start(restricted)
# We wait on the task directly here, not
# self._probe_once_task.wait as if _probe_once_task
# gets cancelled, we should be cancelled too.
await asyncio.wait_for(self._probe_once_task.task,
15.0)
except asyncio.CancelledError:
# asyncio.CancelledError is a subclass of Exception in
# Python 3.6 (sadface)
raise
except Exception:
block_discover_log.exception(
"block probing failed restricted=%s", restricted)
report = self.app.make_apport_report(kind,
"block probing",
interrupt=False)
self._crash_reports[restricted] = report
continue
break
def convert_autoinstall_config(self):
log.debug("self.ai_data = %s", self.ai_data)
if 'layout' in self.ai_data:
layout = self.ai_data['layout']
with self.context.child("applying_autoinstall"):
meth = getattr(self, "guided_" + layout['name'])
disk = self.model.disk_for_match(
self.model.all_disks(),
layout.get("match", {'size': 'largest'}))
meth(disk)
elif 'config' in self.ai_data:
with self.context.child("applying_autoinstall"):
self.model.apply_autoinstall_config(self.ai_data['config'])
self.model.grub = self.ai_data.get('grub', {})
self.model.swap = self.ai_data.get('swap')
def start(self):
self._start_task = schedule_task(self._start())
async def _start(self):
context = pyudev.Context()
self._monitor = pyudev.Monitor.from_netlink(context)
self._monitor.filter_by(subsystem='block')
self._monitor.enable_receiving()
self.start_listening_udev()
await self._probe_task.start()
def start_listening_udev(self):
loop = asyncio.get_event_loop()
loop.add_reader(self._monitor.fileno(), self._udev_event)
def stop_listening_udev(self):
loop = asyncio.get_event_loop()
loop.remove_reader(self._monitor.fileno())
def _udev_event(self):
cp = run_command(['udevadm', 'settle', '-t', '0'])
if cp.returncode != 0:
log.debug("waiting 0.1 to let udev event queue settle")
self.stop_listening_udev()
loop = asyncio.get_event_loop()
loop.call_later(0.1, self.start_listening_udev)
return
# Drain the udev events in the queue -- if we stopped listening to
# allow udev to settle, it's good bet there is more than one event to
# process and we don't want to kick off a full block probe for each
# one. It's a touch unfortunate that pyudev doesn't have a
# non-blocking read so we resort to select().
while select.select([self._monitor.fileno()], [], [], 0)[0]:
action, dev = self._monitor.receive_device()
log.debug("_udev_event %s %s", action, dev)
self._probe_task.start_sync()
async def _wait_for_probing(self):
await self._start_task
await self._probe_task.wait()
if isinstance(self.ui.body, SlowProbing):
self.start_ui()
def start_ui(self):
if self._probe_task.task is None or not self._probe_task.task.done():
self.ui.set_body(SlowProbing(self))
schedule_task(self._wait_for_probing())
elif True in self._crash_reports:
self.ui.set_body(ProbingFailed(self))
self.ui.body.show_error()
else:
# Once we've shown the filesystem UI, we stop listening for udev
# events as merging system changes with configuration the user has
# performed would be tricky. Possibly worth doing though! Just
# not today.
self.convert_autoinstall_config()
self.stop_listening_udev()
self.ui.set_body(GuidedDiskSelectionView(self))
pr = self._crash_reports.get(False)
if pr is not None:
self.app.show_error_report(pr)
if self.answers['guided']:
disk = self.model.all_disks()[self.answers['guided-index']]
method = self.answers.get('guided-method')
self.ui.body.form.guided_choice.value = {
'disk': disk,
'use_lvm': method == "lvm",
}
self.ui.body.done(self.ui.body.form)
elif self.answers['manual']:
self.manual()
def _action_get(self, id):
dev_spec = id[0].split()
dev = None
if dev_spec[0] == "disk":
if dev_spec[1] == "index":
dev = self.model.all_disks()[int(dev_spec[2])]
elif dev_spec[1] == "serial":
dev = self.model._one(type='disk', serial=dev_spec[2])
elif dev_spec[0] == "raid":
if dev_spec[1] == "name":
for r in self.model.all_raids():
if r.name == dev_spec[2]:
dev = r
break
elif dev_spec[0] == "volgroup":
if dev_spec[1] == "name":
for r in self.model.all_volgroups():
if r.name == dev_spec[2]:
dev = r
break
if dev is None:
raise Exception("could not resolve {}".format(id))
if len(id) > 1:
part, index = id[1].split()
if part == "part":
return dev.partitions()[int(index)]
else:
return dev
raise Exception("could not resolve {}".format(id))
def _action_clean_devices_raid(self, devices):
r = {
self._action_get(d): v
for d, v in zip(devices[::2], devices[1::2])
}
for d in r:
assert d.ok_for_raid
return r
def _action_clean_devices_vg(self, devices):
r = {self._action_get(d): 'active' for d in devices}
for d in r:
assert d.ok_for_lvm_vg
return r
def _action_clean_level(self, level):
return raidlevels_by_value[level]
def _answers_action(self, action):
from subiquitycore.ui.stretchy import StretchyOverlay
from subiquity.ui.views.filesystem.delete import ConfirmDeleteStretchy
log.debug("_answers_action %r", action)
if 'obj' in action:
obj = self._action_get(action['obj'])
action_name = action['action']
if action_name == "MAKE_BOOT":
action_name = "TOGGLE_BOOT"
meth = getattr(self.ui.body.avail_list,
"_{}_{}".format(obj.type, action_name))
meth(obj)
yield
body = self.ui.body._w
if not isinstance(body, StretchyOverlay):
return
if isinstance(body.stretchy, ConfirmDeleteStretchy):
if action.get("submit", True):
body.stretchy.done()
else:
yield from self._enter_form_data(body.stretchy.form,
action['data'],
action.get("submit", True))
elif action['action'] == 'create-raid':
self.ui.body.create_raid()
yield
body = self.ui.body._w
yield from self._enter_form_data(body.stretchy.form,
action['data'],
action.get("submit", True),
clean_suffix='raid')
elif action['action'] == 'create-vg':
self.ui.body.create_vg()
yield
body = self.ui.body._w
yield from self._enter_form_data(body.stretchy.form,
action['data'],
action.get("submit", True),
clean_suffix='vg')
elif action['action'] == 'done':
if not self.ui.body.done.enabled:
raise Exception("answers did not provide complete fs config")
self.app.confirm_install()
self.finish()
else:
raise Exception("could not process action {}".format(action))
def manual(self):
self.ui.set_body(FilesystemView(self.model, self))
if self.answers['guided']:
self.app.confirm_install()
self.finish()
if self.answers['manual']:
self._run_iterator(self._run_actions(self.answers['manual']))
self.answers['manual'] = []
def guided(self, method):
v = GuidedDiskSelectionView(self.model, self, method)
self.ui.set_body(v)
if self.answers['guided']:
index = self.answers['guided-index']
v.form.guided.value = True
v.form.guided_choice.disk.widget.index = index
v.form._emit('done')
def reset(self):
log.info("Resetting Filesystem model")
self.model.reset()
self.manual()
def cancel(self):
self.app.prev_screen()
def finish(self):
log.debug("FilesystemController.finish next_screen")
self.configured()
self.app.next_screen()
def create_mount(self, fs, spec):
if spec.get('mount') is None:
return
mount = self.model.add_mount(fs, spec['mount'])
if self.model.needs_bootloader_partition():
vol = fs.volume
if vol.type == "partition" and vol.device.type == "disk":
if vol.device._can_be_boot_disk():
self.add_boot_disk(vol.device)
return mount
def delete_mount(self, mount):
if mount is None:
return
self.model.remove_mount(mount)
def create_filesystem(self, volume, spec):
if spec['fstype'] is None:
# prep partitions are always wiped (and never have a filesystem)
if getattr(volume, 'flag', None) != 'prep':
volume.wipe = None
fstype = volume.original_fstype()
if fstype is None:
return None
preserve = True
else:
fstype = spec['fstype']
volume.wipe = 'superblock'
preserve = False
fs = self.model.add_filesystem(volume, fstype, preserve)
if isinstance(volume, Partition):
if fstype == "swap":
volume.flag = "swap"
elif volume.flag == "swap":
volume.flag = ""
if spec['fstype'] == "swap":
self.model.add_mount(fs, "")
if spec['fstype'] is None and spec['use_swap']:
self.model.add_mount(fs, "")
self.create_mount(fs, spec)
return fs
def delete_filesystem(self, fs):
if fs is None:
return
self.delete_mount(fs.mount())
self.model.remove_filesystem(fs)
delete_format = delete_filesystem
def create_partition(self,
device,
spec,
flag="",
wipe=None,
grub_device=None):
part = self.model.add_partition(device, spec["size"], flag, wipe,
grub_device)
self.create_filesystem(part, spec)
return part
def delete_partition(self, part):
self.clear(part)
self.model.remove_partition(part)
def _create_boot_partition(self, disk):
bootloader = self.model.bootloader
if bootloader == Bootloader.UEFI:
part_size = UEFI_GRUB_SIZE_BYTES
if UEFI_GRUB_SIZE_BYTES * 2 >= disk.size:
part_size = disk.size // 2
log.debug('_create_boot_partition - adding EFI partition')
spec = dict(size=part_size, fstype='fat32')
if self.model._mount_for_path("/boot/efi") is None:
spec['mount'] = '/boot/efi'
part = self.create_partition(disk,
spec,
flag="boot",
grub_device=True)
elif bootloader == Bootloader.PREP:
log.debug('_create_boot_partition - adding PReP partition')
part = self.create_partition(
disk,
dict(size=PREP_GRUB_SIZE_BYTES, fstype=None, mount=None),
# must be wiped or grub-install will fail
wipe='zero',
flag='prep',
grub_device=True)
elif bootloader == Bootloader.BIOS:
log.debug('_create_boot_partition - adding bios_grub partition')
part = self.create_partition(disk,
dict(size=BIOS_GRUB_SIZE_BYTES,
fstype=None,
mount=None),
flag='bios_grub')
disk.grub_device = True
return part
def create_raid(self, spec):
for d in spec['devices'] | spec['spare_devices']:
self.clear(d)
raid = self.model.add_raid(spec['name'], spec['level'].value,
spec['devices'], spec['spare_devices'])
return raid
def delete_raid(self, raid):
if raid is None:
return
self.clear(raid)
for p in list(raid.partitions()):
self.delete_partition(p)
for d in set(raid.devices) | set(raid.spare_devices):
d.wipe = 'superblock'
self.model.remove_raid(raid)
def create_volgroup(self, spec):
devices = set()
key = spec.get('password')
for device in spec['devices']:
self.clear(device)
if key:
device = self.model.add_dm_crypt(device, key)
devices.add(device)
return self.model.add_volgroup(name=spec['name'], devices=devices)
create_lvm_volgroup = create_volgroup
def delete_volgroup(self, vg):
for lv in list(vg.partitions()):
self.delete_logical_volume(lv)
for d in vg.devices:
d.wipe = 'superblock'
if d.type == "dm_crypt":
self.model.remove_dm_crypt(d)
self.model.remove_volgroup(vg)
delete_lvm_volgroup = delete_volgroup
def create_logical_volume(self, vg, spec):
lv = self.model.add_logical_volume(vg=vg,
name=spec['name'],
size=spec['size'])
self.create_filesystem(lv, spec)
return lv
create_lvm_partition = create_logical_volume
def delete_logical_volume(self, lv):
self.clear(lv)
self.model.remove_logical_volume(lv)
delete_lvm_partition = delete_logical_volume
def delete(self, obj):
if obj is None:
return
getattr(self, 'delete_' + obj.type)(obj)
def clear(self, obj):
if obj.type == "disk":
obj.preserve = False
obj.wipe = 'superblock'
for subobj in obj.fs(), obj.constructed_device():
self.delete(subobj)
def reformat(self, disk):
disk.grub_device = False
for p in list(disk.partitions()):
self.delete_partition(p)
self.clear(disk)
def partition_disk_handler(self, disk, partition, spec):
log.debug('partition_disk_handler: %s %s %s', disk, partition, spec)
log.debug('disk.freespace: {}'.format(disk.free_for_partitions))
if partition is not None:
if 'size' in spec:
partition.size = align_up(spec['size'])
if disk.free_for_partitions < 0:
raise Exception("partition size too large")
self.delete_filesystem(partition.fs())
self.create_filesystem(partition, spec)
return
if len(disk.partitions()) == 0:
if disk.type == "disk":
disk.preserve = False
disk.wipe = 'superblock-recursive'
needs_boot = self.model.needs_bootloader_partition()
log.debug('model needs a bootloader partition? {}'.format(needs_boot))
can_be_boot = DeviceAction.TOGGLE_BOOT in disk.supported_actions
if needs_boot and len(disk.partitions()) == 0 and can_be_boot:
part = self._create_boot_partition(disk)
# adjust downward the partition size (if necessary) to accommodate
# bios/grub partition
if spec['size'] > disk.free_for_partitions:
log.debug("Adjusting request down: %s - %s = %s", spec['size'],
part.size, disk.free_for_partitions)
spec['size'] = disk.free_for_partitions
self.create_partition(disk, spec)
log.debug("Successfully added partition")
def logical_volume_handler(self, vg, lv, spec):
log.debug('logical_volume_handler: %s %s %s', vg, lv, spec)
log.debug('vg.freespace: {}'.format(vg.free_for_partitions))
if lv is not None:
if 'name' in spec:
lv.name = spec['name']
if 'size' in spec:
lv.size = align_up(spec['size'])
if vg.free_for_partitions < 0:
raise Exception("lv size too large")
self.delete_filesystem(lv.fs())
self.create_filesystem(lv, spec)
return
self.create_logical_volume(vg, spec)
def add_format_handler(self, volume, spec):
log.debug('add_format_handler %s %s', volume, spec)
self.clear(volume)
self.create_filesystem(volume, spec)
def raid_handler(self, existing, spec):
log.debug("raid_handler %s %s", existing, spec)
if existing is not None:
for d in existing.devices | existing.spare_devices:
d._constructed_device = None
for d in spec['devices'] | spec['spare_devices']:
self.clear(d)
d._constructed_device = existing
existing.name = spec['name']
existing.raidlevel = spec['level'].value
existing.devices = spec['devices']
existing.spare_devices = spec['spare_devices']
else:
self.create_raid(spec)
def volgroup_handler(self, existing, spec):
if existing is not None:
key = spec.get('password')
for d in existing.devices:
if d.type == "dm_crypt":
self.model.remove_dm_crypt(d)
d = d.volume
d._constructed_device = None
devices = set()
for d in spec['devices']:
self.clear(d)
if key:
d = self.model.add_dm_crypt(d, key)
d._constructed_device = existing
devices.add(d)
existing.name = spec['name']
existing.devices = devices
else:
self.create_volgroup(spec)
def _mount_esp(self, part):
if part.fs() is None:
self.model.add_filesystem(part, 'fat32')
self.model.add_mount(part.fs(), '/boot/efi')
def remove_boot_disk(self, boot_disk):
if self.model.bootloader == Bootloader.BIOS:
boot_disk.grub_device = False
flag = 'bios_grub'
elif self.model.bootloader == Bootloader.UEFI:
flag = 'boot'
elif self.model.bootloader == Bootloader.PREP:
flag = 'prep'
partitions = [p for p in boot_disk.partitions() if p.flag == flag]
remount = False
if boot_disk.preserve:
if self.model.bootloader == Bootloader.BIOS:
return
for p in partitions:
p.grub_device = False
if self.model.bootloader == Bootloader.PREP:
p.wipe = None
elif self.model.bootloader == Bootloader.UEFI:
if p.fs():
if p.fs().mount():
self.delete_mount(p.fs().mount())
remount = True
if not p.fs().preserve and p.original_fstype():
self.delete_filesystem(p.fs())
self.model.add_filesystem(p,
p.original_fstype(),
preserve=True)
else:
full = boot_disk.free_for_partitions == 0
tot_size = 0
for p in partitions:
tot_size += p.size
if p.fs() and p.fs().mount():
remount = True
self.delete_partition(p)
if full:
largest_part = max(boot_disk.partitions(),
key=lambda p: p.size)
largest_part.size += tot_size
if self.model.bootloader == Bootloader.UEFI and remount:
part = self.model._one(type='partition', grub_device=True)
if part:
self._mount_esp(part)
def add_boot_disk(self, new_boot_disk):
bootloader = self.model.bootloader
if not self.supports_resilient_boot:
for disk in self.model.all_disks():
if disk._is_boot_device():
self.remove_boot_disk(disk)
if new_boot_disk._has_preexisting_partition():
if bootloader == Bootloader.BIOS:
new_boot_disk.grub_device = True
elif bootloader == Bootloader.UEFI:
should_mount = self.model._mount_for_path('/boot/efi') is None
for p in new_boot_disk.partitions():
if p.flag == 'boot':
p.grub_device = True
if should_mount:
self._mount_esp(p)
should_mount = False
elif bootloader == Bootloader.PREP:
for p in new_boot_disk.partitions():
if p.flag == 'prep':
p.wipe = 'zero'
p.grub_device = True
else:
new_boot_disk.preserve = False
if bootloader == Bootloader.UEFI:
part_size = UEFI_GRUB_SIZE_BYTES
if UEFI_GRUB_SIZE_BYTES * 2 >= new_boot_disk.size:
part_size = new_boot_disk.size // 2
elif bootloader == Bootloader.PREP:
part_size = PREP_GRUB_SIZE_BYTES
elif bootloader == Bootloader.BIOS:
part_size = BIOS_GRUB_SIZE_BYTES
if part_size > new_boot_disk.free_for_partitions:
largest_part = max(new_boot_disk.partitions(),
key=lambda p: p.size)
largest_part.size -= (part_size -
new_boot_disk.free_for_partitions)
self._create_boot_partition(new_boot_disk)
def guided_direct(self, disk):
self.reformat(disk)
result = {
"size": disk.free_for_partitions,
"fstype": "ext4",
"mount": "/",
}
self.partition_disk_handler(disk, None, result)
def guided_lvm(self, disk, lvm_options=None):
self.reformat(disk)
if DeviceAction.TOGGLE_BOOT in disk.supported_actions:
self.add_boot_disk(disk)
self.create_partition(device=disk,
spec=dict(size=dehumanize_size('1G'),
fstype="ext4",
mount='/boot'))
part = self.create_partition(device=disk,
spec=dict(
size=disk.free_for_partitions,
fstype=None,
))
spec = dict(name="ubuntu-vg", devices=set([part]))
if lvm_options and lvm_options['encrypt']:
spec['password'] = lvm_options['luks_options']['password']
vg = self.create_volgroup(spec)
# There's no point using LVM and unconditionally filling the
# VG with a single LV, but we should use more of a smaller
# disk to avoid the user running into out of space errors
# earlier than they probably expect to.
if vg.size < 10 * (2 << 30):
# Use all of a small (<10G) disk.
lv_size = vg.size
elif vg.size < 20 * (2 << 30):
# Use 10G of a smallish (<20G) disk.
lv_size = 10 * (2 << 30)
elif vg.size < 200 * (2 << 30):
# Use half of a larger (<200G) disk.
lv_size = vg.size // 2
else:
# Use at most 100G of a large disk.
lv_size = 100 * (2 << 30)
self.create_logical_volume(vg=vg,
spec=dict(
size=lv_size,
name="ubuntu-lv",
fstype="ext4",
mount="/",
))
def make_autoinstall(self):
rendered = self.model.render()
r = {'config': rendered['storage']['config']}
if 'swap' in rendered:
r['swap'] = rendered['swap']
return r
class RefreshController(SubiquityController):
endpoint = API.refresh
autoinstall_key = "refresh-installer"
autoinstall_schema = {
'type': 'object',
'properties': {
'update': {
'type': 'boolean'
},
'channel': {
'type': 'string'
},
},
'additionalProperties': False,
}
signals = [
('snapd-network-change', 'snapd_network_changed'),
]
def __init__(self, app):
super().__init__(app)
self.ai_data = {}
self.snap_name = os.environ.get("SNAP_NAME", "subiquity")
self.configure_task = None
self.check_task = None
self.status = RefreshStatus(availability=RefreshCheckState.UNKNOWN)
def load_autoinstall_data(self, data):
if data is not None:
self.ai_data = data
@property
def active(self):
if 'update' in self.ai_data:
return self.ai_data['update']
else:
return self.interactive()
def start(self):
if not self.active:
return
self.configure_task = schedule_task(self.configure_snapd())
self.check_task = SingleInstanceTask(self.check_for_update,
propagate_errors=False)
self.check_task.start_sync()
@with_context()
async def apply_autoinstall_config(self, context, index=1):
if not self.active:
return
try:
await asyncio.wait_for(self.check_task.wait(), 60)
except asyncio.TimeoutError:
return
if self.status.availability != RefreshCheckState.AVAILABLE:
return
change_id = await self.start_update(context=context)
while True:
change = await self.get_progress(change_id)
if change['status'] not in ['Do', 'Doing', 'Done']:
raise Exception("update failed: %s", change['status'])
await asyncio.sleep(0.1)
@with_context()
async def configure_snapd(self, context):
with context.child("get_details") as subcontext:
try:
r = await self.app.snapd.get(
'v2/snaps/{snap_name}'.format(snap_name=self.snap_name))
except requests.exceptions.RequestException:
log.exception("getting snap details")
return
self.status.current_snap_version = r['result']['version']
for k in 'channel', 'revision', 'version':
self.app.note_data_for_apport("Snap" + k.title(),
r['result'][k])
subcontext.description = "current version of snap is: %r" % (
self.status.current_snap_version)
channel = self.get_refresh_channel()
desc = "switching {} to {}".format(self.snap_name, channel)
with context.child("switching", desc) as subcontext:
try:
await self.app.snapd.post_and_wait(
'v2/snaps/{}'.format(self.snap_name), {
'action': 'switch',
'channel': channel
})
except requests.exceptions.RequestException:
log.exception("switching channels")
return
subcontext.description = "switched to " + channel
def get_refresh_channel(self):
"""Return the channel we should refresh subiquity to."""
prefix = "subiquity-channel="
for arg in self.app.kernel_cmdline:
if arg.startswith(prefix):
log.debug("get_refresh_channel: found %s on kernel cmdline",
arg)
return arg[len(prefix):]
if 'channel' in self.ai_data:
return self.ai_data['channel']
info_file = '/cdrom/.disk/info'
try:
fp = open(info_file)
except FileNotFoundError:
if self.opts.dry_run:
info = ('Ubuntu-Server 18.04.2 LTS "Bionic Beaver" - '
'Release amd64 (20190214.3)')
else:
log.debug(
"get_refresh_channel: failed to find .disk/info file")
return
else:
with fp:
info = fp.read()
release = info.split()[1]
return 'stable/ubuntu-' + release
def snapd_network_changed(self):
if self.active and \
self.status.availability == RefreshCheckState.UNKNOWN:
self.check_task.start_sync()
@with_context()
async def check_for_update(self, context):
await asyncio.shield(self.configure_task)
if self.app.updated:
context.description = "not offered update when already updated"
self.status.availability = RefreshCheckState.UNAVAILABLE
return
try:
result = await self.app.snapd.get('v2/find', select='refresh')
except requests.exceptions.RequestException:
log.exception("checking for snap update failed")
context.description = "checking for snap update failed"
self.status.availability = RefreshCheckState.UNKNOWN
return
log.debug("check_for_update received %s", result)
for snap in result["result"]:
if snap["name"] == self.snap_name:
self.status.new_snap_version = snap["version"]
context.description = ("new version of snap available: %r" %
self.status.new_snap_version)
self.status.availability = RefreshCheckState.AVAILABLE
return
else:
context.description = "no new version of snap available"
self.status.availability = RefreshCheckState.UNAVAILABLE
@with_context()
async def start_update(self, context):
open(self.app.state_path('updating'), 'w').close()
change = await self.app.snapd.post(
'v2/snaps/{}'.format(self.snap_name), {'action': 'refresh'})
context.description = "change id: {}".format(change)
return change
async def get_progress(self, change):
result = await self.app.snapd.get('v2/changes/{}'.format(change))
change = result['result']
if change['status'] == 'Done':
# Clearly if we got here we didn't get restarted by
# snapd/systemctl (dry-run mode)
self.app.restart()
return change
async def GET(self, wait: bool = False) -> RefreshStatus:
if wait:
await self.check_task.wait()
return self.status
async def POST(self, context) -> str:
return await self.start_update(context=context)
async def progress_GET(self, change_id: str) -> dict:
return await self.get_progress(change_id)
class NetworkController(BaseController):
model_name = "network"
root = "/"
def __init__(self, app):
super().__init__(app)
self.view = None
self.view_shown = False
self.apply_config_task = SingleInstanceTask(self._apply_config)
if self.opts.dry_run:
self.root = os.path.abspath(".subiquity")
netplan_path = self.netplan_path
netplan_dir = os.path.dirname(netplan_path)
if os.path.exists(netplan_dir):
import shutil
shutil.rmtree(netplan_dir)
os.makedirs(netplan_dir)
with open(netplan_path, 'w') as fp:
fp.write(default_netplan)
self.parse_netplan_configs()
self._watching = False
self.network_event_receiver = SubiquityNetworkEventReceiver(self.model)
self.network_event_receiver.add_default_route_watcher(
self.route_watcher)
def parse_netplan_configs(self):
self.model.parse_netplan_configs(self.root)
def route_watcher(self, routes):
if routes:
self.signal.emit_signal('network-change')
def start(self):
self._observer_handles = []
self.observer, self._observer_fds = (
self.app.prober.probe_network(self.network_event_receiver))
self.start_watching()
def stop_watching(self):
if not self._watching:
return
loop = asyncio.get_event_loop()
for fd in self._observer_fds:
loop.remove_reader(fd)
self._watching = False
def start_watching(self):
if self._watching:
return
loop = asyncio.get_event_loop()
for fd in self._observer_fds:
loop.add_reader(fd, self._data_ready, fd)
self._watching = True
def _data_ready(self, fd):
cp = run_command(['udevadm', 'settle', '-t', '0'])
if cp.returncode != 0:
log.debug("waiting 0.1 to let udev event queue settle")
self.stop_watching()
loop = asyncio.get_event_loop()
loop.call_later(0.1, self.start_watching)
return
self.observer.data_ready(fd)
v = self.ui.body
if hasattr(v, 'refresh_model_inputs'):
v.refresh_model_inputs()
def start_scan(self, dev):
self.observer.trigger_scan(dev.ifindex)
def done(self):
log.debug("NetworkController.done next_screen")
self.model.has_network = bool(
self.network_event_receiver.default_routes)
self.app.next_screen()
def cancel(self):
self.app.prev_screen()
def _action_get(self, id):
dev_spec = id[0].split()
dev = None
if dev_spec[0] == "interface":
if dev_spec[1] == "index":
dev = self.model.get_all_netdevs()[int(dev_spec[2])]
elif dev_spec[1] == "name":
dev = self.model.get_netdev_by_name(dev_spec[2])
if dev is None:
raise Exception("could not resolve {}".format(id))
if len(id) > 1:
part, index = id[1].split()
if part == "part":
return dev.partitions()[int(index)]
else:
return dev
raise Exception("could not resolve {}".format(id))
def _action_clean_devices(self, devices):
return [self._action_get(device) for device in devices]
def _answers_action(self, action):
from subiquitycore.ui.stretchy import StretchyOverlay
log.debug("_answers_action %r", action)
if 'obj' in action:
obj = self._action_get(action['obj'])
meth = getattr(
self.ui.body,
"_action_{}".format(action['action']))
action_obj = getattr(NetDevAction, action['action'])
self.ui.body._action(None, (action_obj, meth), obj)
yield
body = self.ui.body._w
if not isinstance(body, StretchyOverlay):
return
for k, v in action.items():
if not k.endswith('data'):
continue
form_name = "form"
submit_key = "submit"
if '-' in k:
prefix = k.split('-')[0]
form_name = prefix + "_form"
submit_key = prefix + "-submit"
yield from self._enter_form_data(
getattr(body.stretchy, form_name),
v,
action.get(submit_key, True))
elif action['action'] == 'create-bond':
self.ui.body._create_bond()
yield
body = self.ui.body._w
yield from self._enter_form_data(
body.stretchy.form,
action['data'],
action.get("submit", True))
elif action['action'] == 'done':
self.ui.body.done()
else:
raise Exception("could not process action {}".format(action))
def update_initial_configs(self):
# Any device that does not have a (global) address by the time
# we get to the network screen is marked as disabled, with an
# explanation.
log.debug("updating initial NIC config")
for dev in self.model.get_all_netdevs():
has_global_address = False
if dev.info is None or not dev.config:
continue
for a in dev.info.addresses.values():
if a.scope == "global":
has_global_address = True
break
if not has_global_address:
dev.remove_ip_networks_for_version(4)
dev.remove_ip_networks_for_version(6)
log.debug("disabling %s", dev.name)
dev.disabled_reason = _("autoconfiguration failed")
def start_ui(self):
if not self.view_shown:
self.update_initial_configs()
self.view = NetworkView(self.model, self)
if not self.view_shown:
self.apply_config(silent=True)
self.view_shown = True
self.network_event_receiver.view = self.view
self.ui.set_body(self.view)
def end_ui(self):
self.view = self.network_event_receiver.view = None
@property
def netplan_path(self):
if self.opts.project == "subiquity":
netplan_config_file_name = '00-installer-config.yaml'
else:
netplan_config_file_name = '00-snapd-config.yaml'
return os.path.join(self.root, 'etc/netplan', netplan_config_file_name)
def apply_config(self, context=None, silent=False):
self.apply_config_task.start_sync(context=context, silent=silent)
async def _down_devs(self, devs):
for dev in devs:
try:
log.debug('downing %s', dev.name)
self.observer.rtlistener.unset_link_flags(dev.ifindex, IFF_UP)
except RuntimeError:
# We don't actually care very much about this
log.exception('unset_link_flags failed for %s', dev.name)
async def _delete_devs(self, devs):
for dev in devs:
# XXX would be nicer to do this via rtlistener eventually.
log.debug('deleting %s', dev.name)
cmd = ['ip', 'link', 'delete', 'dev', dev.name]
try:
await arun_command(cmd, check=True)
except subprocess.CalledProcessError as cp:
log.info("deleting %s failed with %r", dev.name, cp.stderr)
def _write_config(self):
config = self.model.render_config()
log.debug("network config: \n%s",
yaml.dump(sanitize_config(config), default_flow_style=False))
for p in netplan.configs_in_root(self.root, masked=True):
if p == self.netplan_path:
continue
os.rename(p, p + ".dist-" + self.opts.project)
write_file(
self.netplan_path,
self.model.stringify_config(config),
omode="w")
self.parse_netplan_configs()
@with_context(
name="apply_config", description="silent={silent}", level="INFO")
async def _apply_config(self, *, context, silent):
devs_to_delete = []
devs_to_down = []
dhcp_device_versions = []
dhcp_events = set()
for dev in self.model.get_all_netdevs(include_deleted=True):
dev.dhcp_events = {}
for v in 4, 6:
if dev.dhcp_enabled(v):
if not silent:
dev.set_dhcp_state(v, "PENDING")
self.network_event_receiver.update_link(
dev.ifindex)
else:
dev.set_dhcp_state(v, "RECONFIGURE")
dev.dhcp_events[v] = e = asyncio.Event()
dhcp_events.add(e)
if dev.info is None:
continue
if dev.config != self.model.config.config_for_device(dev.info):
if dev.is_virtual:
devs_to_delete.append(dev)
else:
devs_to_down.append(dev)
self._write_config()
if not silent and self.view:
self.view.show_apply_spinner()
try:
def error(stage):
if not silent and self.view:
self.view.show_network_error(stage)
if self.opts.dry_run:
delay = 1/self.app.scale_factor
await arun_command(['sleep', str(delay)])
if os.path.exists('/lib/netplan/generate'):
# If netplan appears to be installed, run generate to
# at least test that what we wrote is acceptable to
# netplan.
await arun_command(
['netplan', 'generate', '--root', self.root],
check=True)
else:
if devs_to_down or devs_to_delete:
try:
await arun_command(
['systemctl', 'mask', '--runtime',
'systemd-networkd.service',
'systemd-networkd.socket'],
check=True)
await arun_command(
['systemctl', 'stop',
'systemd-networkd.service',
'systemd-networkd.socket'],
check=True)
except subprocess.CalledProcessError:
error("stop-networkd")
raise
if devs_to_down:
await self._down_devs(devs_to_down)
if devs_to_delete:
await self._delete_devs(devs_to_delete)
if devs_to_down or devs_to_delete:
await arun_command(
['systemctl', 'unmask', '--runtime',
'systemd-networkd.service',
'systemd-networkd.socket'],
check=True)
try:
await arun_command(['netplan', 'apply'], check=True)
except subprocess.CalledProcessError:
error("apply")
raise
if devs_to_down or devs_to_delete:
# It's probably running already, but just in case.
await arun_command(
['systemctl', 'start', 'systemd-networkd.socket'],
check=False)
finally:
if not silent and self.view:
self.view.hide_apply_spinner()
if self.answers.get('accept-default', False):
self.done()
elif self.answers.get('actions', False):
actions = self.answers['actions']
self.answers.clear()
self._run_iterator(self._run_actions(actions))
if not dhcp_events:
return
try:
await asyncio.wait_for(
asyncio.wait({e.wait() for e in dhcp_events}),
10)
except asyncio.TimeoutError:
pass
for dev, v in dhcp_device_versions:
dev.dhcp_events = {}
if not dev.dhcp_addresses()[v]:
dev.set_dhcp_state(v, "TIMEDOUT")
self.network_event_receiver.update_link(dev.ifindex)
def add_vlan(self, device, vlan):
return self.model.new_vlan(device, vlan)
def add_or_update_bond(self, existing, result):
mode = result['mode']
params = {
'mode': mode,
}
if mode in BondParameters.supports_xmit_hash_policy:
params['transmit-hash-policy'] = result['xmit_hash_policy']
if mode in BondParameters.supports_lacp_rate:
params['lacp-rate'] = result['lacp_rate']
for device in result['devices']:
device.config = {}
interfaces = [d.name for d in result['devices']]
if existing is None:
return self.model.new_bond(result['name'], interfaces, params)
else:
existing.config['interfaces'] = interfaces
existing.config['parameters'] = params
existing.name = result['name']
return existing
class RefreshController(SubiquityController):
autoinstall_key = "refresh-installer"
signals = [
('snapd-network-change', 'snapd_network_changed'),
]
def __init__(self, app):
super().__init__(app)
self.snap_name = os.environ.get("SNAP_NAME", "subiquity")
self.configure_task = None
self.check_task = None
self.current_snap_version = "unknown"
self.new_snap_version = ""
self.offered_first_time = False
self.active = self.interactive()
def load_autoinstall_data(self, data):
if data is not None and data.get('refresh'):
self.active = True
def start(self):
if not self.active:
return
self.configure_task = schedule_task(self.configure_snapd())
self.check_task = SingleInstanceTask(self.check_for_update,
propagate_errors=False)
self.check_task.start_sync()
async def apply_autoinstall_config(self, index=1):
if not self.active:
return
try:
await asyncio.wait_for(self.check_task.wait(), 60)
except asyncio.TimeoutError:
return
if self.check_state != CheckState.AVAILABLE:
return
change_id = await self.start_update()
while True:
try:
change = await self.controller.get_progress(change_id)
except requests.exceptions.RequestException as e:
raise e
if change['status'] == 'Done':
# Will only get here dry run mode as part of the refresh is us
# getting restarted by snapd...
return
if change['status'] not in ['Do', 'Doing']:
raise Exception("update failed")
await asyncio.sleep(0.1)
@property
def check_state(self):
if not self.active:
return CheckState.UNAVAILABLE
task = self.check_task.task
if not task.done() or task.cancelled():
return CheckState.UNKNOWN
if task.exception():
return CheckState.UNAVAILABLE
return task.result()
async def configure_snapd(self):
with self.context.child("configure_snapd") as context:
with context.child("get_details") as subcontext:
try:
r = await self.app.snapd.get(
'v2/snaps/{snap_name}'.format(snap_name=self.snap_name)
)
except requests.exceptions.RequestException:
log.exception("getting snap details")
return
self.current_snap_version = r['result']['version']
for k in 'channel', 'revision', 'version':
self.app.note_data_for_apport("Snap" + k.title(),
r['result'][k])
subcontext.description = "current version of snap is: %r" % (
self.current_snap_version)
channel = self.get_refresh_channel()
desc = "switching {} to {}".format(self.snap_name, channel)
with context.child("switching", desc) as subcontext:
try:
await self.app.snapd.post_and_wait(
'v2/snaps/{}'.format(self.snap_name), {
'action': 'switch',
'channel': channel
})
except requests.exceptions.RequestException:
log.exception("switching channels")
return
subcontext.description = "switched to " + channel
def get_refresh_channel(self):
"""Return the channel we should refresh subiquity to."""
if 'channel' in self.answers:
return self.answers['channel']
with open('/proc/cmdline') as fp:
cmdline = fp.read()
prefix = "subiquity-channel="
for arg in cmdline.split():
if arg.startswith(prefix):
log.debug("get_refresh_channel: found %s on kernel cmdline",
arg)
return arg[len(prefix):]
info_file = '/cdrom/.disk/info'
try:
fp = open(info_file)
except FileNotFoundError:
if self.opts.dry_run:
info = ('Ubuntu-Server 18.04.2 LTS "Bionic Beaver" - '
'Release amd64 (20190214.3)')
else:
log.debug(
"get_refresh_channel: failed to find .disk/info file")
return
else:
with fp:
info = fp.read()
release = info.split()[1]
return 'stable/ubuntu-' + release
def snapd_network_changed(self):
if self.check_state == CheckState.UNKNOWN:
self.check_task.start_sync()
async def check_for_update(self):
await asyncio.shield(self.configure_task)
with self.context.child("check_for_update") as context:
if self.app.updated:
context.description = (
"not offered update when already updated")
return CheckState.UNAVAILABLE
result = await self.app.snapd.get('v2/find', select='refresh')
log.debug("check_for_update received %s", result)
for snap in result["result"]:
if snap["name"] == self.snap_name:
self.new_snap_version = snap["version"]
context.description = (
"new version of snap available: %r" %
self.new_snap_version)
return CheckState.AVAILABLE
else:
context.description = ("no new version of snap available")
return CheckState.UNAVAILABLE
async def start_update(self):
update_marker = os.path.join(self.app.state_dir, 'updating')
open(update_marker, 'w').close()
with self.context.child("starting_update") as context:
change = await self.app.snapd.post(
'v2/snaps/{}'.format(self.snap_name), {'action': 'refresh'})
context.description = "change id: {}".format(change)
return change
async def get_progress(self, change):
result = await self.app.snapd.get('v2/changes/{}'.format(change))
return result['result']
def start_ui(self, index=1):
from subiquity.ui.views.refresh import RefreshView
if self.app.updated:
raise Skip()
show = False
if index == 1:
if self.check_state == CheckState.AVAILABLE:
show = True
self.offered_first_time = True
elif index == 2:
if not self.offered_first_time:
if self.check_state in [
CheckState.UNKNOWN, CheckState.AVAILABLE
]:
show = True
else:
raise AssertionError("unexpected index {}".format(index))
if show:
self.ui.set_body(RefreshView(self))
else:
raise Skip()
def done(self, sender=None):
log.debug("RefreshController.done next_screen")
self.app.next_screen()
def cancel(self, sender=None):
self.app.prev_screen()
class BaseNetworkController(BaseController):
model_name = "network"
root = "/"
def __init__(self, app):
super().__init__(app)
self.apply_config_task = SingleInstanceTask(self._apply_config)
if self.opts.dry_run:
self.root = os.path.abspath(".subiquity")
netplan_path = self.netplan_path
netplan_dir = os.path.dirname(netplan_path)
if os.path.exists(netplan_dir):
import shutil
shutil.rmtree(netplan_dir)
os.makedirs(netplan_dir)
with open(netplan_path, 'w') as fp:
fp.write(default_netplan)
self.parse_netplan_configs()
self._watching = False
self.network_event_receiver = SubiquityNetworkEventReceiver(self)
def parse_netplan_configs(self):
self.model.parse_netplan_configs(self.root)
def start(self):
self._observer_handles = []
self.observer, self._observer_fds = (self.app.prober.probe_network(
self.network_event_receiver))
self.start_watching()
def stop_watching(self):
if not self._watching:
return
loop = asyncio.get_event_loop()
for fd in self._observer_fds:
loop.remove_reader(fd)
self._watching = False
def start_watching(self):
if self._watching:
return
loop = asyncio.get_event_loop()
for fd in self._observer_fds:
loop.add_reader(fd, self._data_ready, fd)
self._watching = True
def _data_ready(self, fd):
cp = run_command(['udevadm', 'settle', '-t', '0'])
if cp.returncode != 0:
log.debug("waiting 0.1 to let udev event queue settle")
self.stop_watching()
loop = asyncio.get_event_loop()
loop.call_later(0.1, self.start_watching)
return
self.observer.data_ready(fd)
def update_initial_configs(self):
# Any device that does not have a (global) address by the time
# we get to the network screen is marked as disabled, with an
# explanation.
log.debug("updating initial NIC config")
for dev in self.model.get_all_netdevs():
has_global_address = False
if dev.info is None or not dev.config:
continue
for a in dev.info.addresses.values():
if a.scope == "global":
has_global_address = True
break
if not has_global_address:
dev.remove_ip_networks_for_version(4)
dev.remove_ip_networks_for_version(6)
log.debug("disabling %s", dev.name)
dev.disabled_reason = _("autoconfiguration failed")
@property
def netplan_path(self):
if self.opts.project == "subiquity":
netplan_config_file_name = '00-installer-config.yaml'
else:
netplan_config_file_name = '00-snapd-config.yaml'
return os.path.join(self.root, 'etc/netplan', netplan_config_file_name)
def apply_config(self, context=None, silent=False):
self.apply_config_task.start_sync(context=context, silent=silent)
async def _down_devs(self, devs):
for dev in devs:
try:
log.debug('downing %s', dev.name)
self.observer.rtlistener.unset_link_flags(dev.ifindex, IFF_UP)
except RuntimeError:
# We don't actually care very much about this
log.exception('unset_link_flags failed for %s', dev.name)
async def _delete_devs(self, devs):
for dev in devs:
# XXX would be nicer to do this via rtlistener eventually.
log.debug('deleting %s', dev.name)
cmd = ['ip', 'link', 'delete', 'dev', dev.name]
try:
await arun_command(cmd, check=True)
except subprocess.CalledProcessError as cp:
log.info("deleting %s failed with %r", dev.name, cp.stderr)
def _write_config(self):
config = self.model.render_config()
log.debug(
"network config: \n%s",
yaml.dump(netplan.sanitize_config(config),
default_flow_style=False))
for p in netplan.configs_in_root(self.root, masked=True):
if p == self.netplan_path:
continue
os.rename(p, p + ".dist-" + self.opts.project)
write_file(self.netplan_path,
self.model.stringify_config(config),
omode="w")
self.parse_netplan_configs()
@with_context(name="apply_config",
description="silent={silent}",
level="INFO")
async def _apply_config(self, *, context, silent):
devs_to_delete = []
devs_to_down = []
dhcp_device_versions = []
dhcp_events = set()
for dev in self.model.get_all_netdevs(include_deleted=True):
dev.dhcp_events = {}
for v in 4, 6:
if dev.dhcp_enabled(v):
if not silent:
dev.set_dhcp_state(v, DHCPState.PENDING)
self.network_event_receiver.update_link(dev.ifindex)
else:
dev.set_dhcp_state(v, DHCPState.RECONFIGURE)
dev.dhcp_events[v] = e = asyncio.Event()
dhcp_events.add(e)
if dev.info is None:
continue
if dev.config != self.model.config.config_for_device(dev.info):
if dev.is_virtual:
devs_to_delete.append(dev)
else:
devs_to_down.append(dev)
self._write_config()
if not silent:
self.apply_starting()
try:
def error(stage):
if not silent:
self.apply_error(stage)
if self.opts.dry_run:
delay = 1 / self.app.scale_factor
await arun_command(['sleep', str(delay)])
if os.path.exists('/lib/netplan/generate'):
# If netplan appears to be installed, run generate to
# at least test that what we wrote is acceptable to
# netplan.
await arun_command(
['netplan', 'generate', '--root', self.root],
check=True)
else:
if devs_to_down or devs_to_delete:
try:
await arun_command([
'systemctl', 'mask', '--runtime',
'systemd-networkd.service',
'systemd-networkd.socket'
],
check=True)
await arun_command([
'systemctl', 'stop', 'systemd-networkd.service',
'systemd-networkd.socket'
],
check=True)
except subprocess.CalledProcessError:
error("stop-networkd")
raise
if devs_to_down:
await self._down_devs(devs_to_down)
if devs_to_delete:
await self._delete_devs(devs_to_delete)
if devs_to_down or devs_to_delete:
await arun_command([
'systemctl', 'unmask', '--runtime',
'systemd-networkd.service', 'systemd-networkd.socket'
],
check=True)
try:
await arun_command(['netplan', 'apply'], check=True)
except subprocess.CalledProcessError:
error("apply")
raise
if devs_to_down or devs_to_delete:
# It's probably running already, but just in case.
await arun_command(
['systemctl', 'start', 'systemd-networkd.socket'],
check=False)
finally:
if not silent:
self.apply_stopping()
if not dhcp_events:
return
try:
await asyncio.wait_for(
asyncio.wait({e.wait()
for e in dhcp_events}), 10)
except asyncio.TimeoutError:
pass
for dev, v in dhcp_device_versions:
dev.dhcp_events = {}
if not dev.dhcp_addresses()[v]:
dev.set_dhcp_state(v, DHCPState.TIMED_OUT)
self.network_event_receiver.update_link(dev.ifindex)
def set_static_config(self, dev_name: str, ip_version: int,
static_config: StaticConfig) -> None:
dev = self.model.get_netdev_by_name(dev_name)
dev.remove_ip_networks_for_version(ip_version)
dev.config.setdefault('addresses', []).extend(static_config.addresses)
gwkey = 'gateway{v}'.format(v=ip_version)
if static_config.gateway:
dev.config[gwkey] = static_config.gateway
else:
dev.config.pop(gwkey, None)
ns = dev.config.setdefault('nameservers', {})
ns.setdefault('addresses', []).extend(static_config.nameservers)
ns.setdefault('search', []).extend(static_config.searchdomains)
self.update_link(dev)
self.apply_config()
def enable_dhcp(self, dev_name: str, ip_version: int) -> None:
dev = self.model.get_netdev_by_name(dev_name)
dev.remove_ip_networks_for_version(ip_version)
dhcpkey = 'dhcp{v}'.format(v=ip_version)
dev.config[dhcpkey] = True
self.update_link(dev)
self.apply_config()
def disable_network(self, dev_name: str, ip_version: int) -> None:
dev = self.model.get_netdev_by_name(dev_name)
dev.remove_ip_networks_for_version(ip_version)
self.update_link(dev)
self.apply_config()
def add_vlan(self, dev_name: str, id: int):
new = self.model.new_vlan(dev_name, id)
self.new_link(new)
dev = self.model.get_netdev_by_name(dev_name)
self.update_link(dev)
self.apply_config()
def delete_link(self, dev_name: str):
dev = self.model.get_netdev_by_name(dev_name)
touched_devices = set()
if dev.type == "bond":
for device_name in dev.config['interfaces']:
interface = self.model.get_netdev_by_name(device_name)
touched_devices.add(interface)
elif dev.type == "vlan":
link = self.model.get_netdev_by_name(dev.config['link'])
touched_devices.add(link)
dev.config = None
self.del_link(dev)
for dev in touched_devices:
self.update_link(dev)
self.apply_config()
def add_or_update_bond(self, existing_name: Optional[str], new_name: str,
new_info: BondConfig) -> None:
get_netdev_by_name = self.model.get_netdev_by_name
touched_devices = set()
for device_name in new_info.interfaces:
device = get_netdev_by_name(device_name)
device.config = {}
touched_devices.add(device)
if existing_name is None:
new_dev = self.model.new_bond(new_name, new_info)
self.new_link(new_dev)
else:
existing = get_netdev_by_name(existing_name)
for interface in existing.config['interfaces']:
touched_devices.add(get_netdev_by_name(interface))
existing.config.update(new_info.to_config())
if existing.name != new_name:
config = existing.config
existing.config = None
self.del_link(existing)
existing.config = config
existing.name = new_name
self.new_link(existing)
else:
touched_devices.add(existing)
for dev in touched_devices:
self.update_link(dev)
self.apply_config()
def get_info_for_netdev(self, dev_name: str) -> str:
device = self.model.get_netdev_by_name(dev_name)
if device.info is not None:
return yaml.dump(device.info.serialize(), default_flow_style=False)
else:
return "Configured but not yet created {type} interface.".format(
type=device.type)
def set_wlan(self, dev_name: str, wlan: WLANConfig) -> None:
device = self.model.get_netdev_by_name(dev_name)
device.set_ssid_psk(wlan.ssid, wlan.psk)
self.update_link(device)
def start_scan(self, dev_name: str) -> None:
device = self.model.get_netdev_by_name(dev_name)
self.observer.trigger_scan(device.ifindex)
self.update_link(device)
@abc.abstractmethod
def apply_starting(self):
pass
@abc.abstractmethod
def apply_stopping(self):
pass
@abc.abstractmethod
def apply_error(self, stage):
pass
@abc.abstractmethod
def update_default_routes(self, routes):
if routes:
self.signal.emit_signal('network-change')
@abc.abstractmethod
def new_link(self, netdev):
pass
@abc.abstractmethod
def update_link(self, netdev):
for v, e in netdev.dhcp_events.items():
if netdev.dhcp_addresses()[v]:
netdev.set_dhcp_state(v, DHCPState.CONFIGURED)
e.set()
pass
@abc.abstractmethod
def del_link(self, netdev):
pass
class MirrorController(SubiquityController):
autoinstall_key = "apt"
model_name = "mirror"
signals = [
('snapd-network-change', 'snapd_network_changed'),
]
def __init__(self, app):
self.ai_data = {}
super().__init__(app)
self.check_state = CheckState.NOT_STARTED
if 'country-code' in self.answers:
self.check_state = CheckState.DONE
self.model.set_country(self.answers['country-code'])
self.lookup_task = SingleInstanceTask(self.lookup)
self.geoip_enabled = True
def load_autoinstall_data(self, data):
if data is None:
return
geoip = data.pop('geoip', True)
merge_config(self.model.config, data)
self.geoip_enabled = geoip and self.model.is_default()
async def apply_autoinstall_config(self):
if not self.geoip_enabled:
return
try:
await asyncio.wait_for(self.lookup_task.wait(), 10)
except asyncio.TimeoutError:
pass
def snapd_network_changed(self):
if not self.geoip_enabled:
return
if self.check_state != CheckState.DONE:
self.check_state = CheckState.CHECKING
self.lookup_task.start_sync()
async def lookup(self):
with self.context.child("lookup"):
try:
response = await run_in_thread(
requests.get, "https://geoip.ubuntu.com/lookup")
response.raise_for_status()
except requests.exceptions.RequestException:
log.exception("geoip lookup failed")
self.check_state = CheckState.FAILED
return
try:
e = ElementTree.fromstring(response.text)
except ElementTree.ParseError:
log.exception("parsing %r failed", response.text)
self.check_state = CheckState.FAILED
return
cc = e.find("CountryCode")
if cc is None:
log.debug("no CountryCode found in %r", response.text)
self.check_state = CheckState.FAILED
return
cc = cc.text.lower()
if len(cc) != 2:
log.debug("bogus CountryCode found in %r", response.text)
self.check_state = CheckState.FAILED
return
self.check_state = CheckState.DONE
self.model.set_country(cc)
def start_ui(self):
self.check_state = CheckState.DONE
self.ui.set_body(MirrorView(self.model, self))
if 'mirror' in self.answers:
self.done(self.answers['mirror'])
elif 'country-code' in self.answers \
or 'accept-default' in self.answers:
self.done(self.model.get_mirror())
def cancel(self):
self.app.prev_screen()
def serialize(self):
return self.model.get_mirror()
def deserialize(self, data):
super().deserialize(data)
self.model.set_mirror(data)
def done(self, mirror):
log.debug("MirrorController.done next_screen mirror=%s", mirror)
if mirror != self.model.get_mirror():
self.model.set_mirror(mirror)
self.configured()
self.app.next_screen()
class MirrorController(SubiquityController):
endpoint = API.mirror
autoinstall_key = "apt"
autoinstall_schema = { # This is obviously incomplete.
'type': 'object',
'properties': {
'preserve_sources_list': {'type': 'boolean'},
'primary': {'type': 'array'},
'geoip': {'type': 'boolean'},
'sources': {'type': 'object'},
},
}
model_name = "mirror"
signals = [
('snapd-network-change', 'snapd_network_changed'),
]
def __init__(self, app):
super().__init__(app)
self.geoip_enabled = True
self.check_state = CheckState.NOT_STARTED
self.lookup_task = SingleInstanceTask(self.lookup)
def load_autoinstall_data(self, data):
if data is None:
return
geoip = data.pop('geoip', True)
merge_config(self.model.config, data)
self.geoip_enabled = geoip and self.model.is_default()
@with_context()
async def apply_autoinstall_config(self, context):
if not self.geoip_enabled:
return
if self.lookup_task.task is None:
return
try:
with context.child('waiting'):
await asyncio.wait_for(self.lookup_task.wait(), 10)
except asyncio.TimeoutError:
pass
def snapd_network_changed(self):
if not self.geoip_enabled:
return
if self.check_state != CheckState.DONE:
self.check_state = CheckState.CHECKING
self.lookup_task.start_sync()
@with_context()
async def lookup(self, context):
try:
response = await run_in_thread(requests.get,
"https://geoip.ubuntu.com/lookup")
response.raise_for_status()
except requests.exceptions.RequestException:
log.exception("geoip lookup failed")
self.check_state = CheckState.FAILED
return
try:
e = ElementTree.fromstring(response.text)
except ElementTree.ParseError:
log.exception("parsing %r failed", response.text)
self.check_state = CheckState.FAILED
return
cc = e.find("CountryCode")
if cc is None:
log.debug("no CountryCode found in %r", response.text)
self.check_state = CheckState.FAILED
return
cc = cc.text.lower()
if len(cc) != 2:
log.debug("bogus CountryCode found in %r", response.text)
self.check_state = CheckState.FAILED
return
self.check_state = CheckState.DONE
self.model.set_country(cc)
def serialize(self):
return self.model.get_mirror()
def deserialize(self, data):
self.model.set_mirror(data)
def make_autoinstall(self):
r = self.model.render()['apt']
r['geoip'] = self.geoip_enabled
return r
async def GET(self) -> str:
return self.model.get_mirror()
async def POST(self, data: str):
self.model.set_mirror(data)
self.configured()
class FilesystemController(SubiquityController, FilesystemManipulator):
endpoint = API.storage
autoinstall_key = "storage"
autoinstall_schema = {'type': 'object'} # ...
model_name = "filesystem"
def __init__(self, app):
self.ai_data = {}
super().__init__(app)
self.model.target = app.base_model.target
if self.opts.dry_run and self.opts.bootloader:
name = self.opts.bootloader.upper()
self.model.bootloader = getattr(Bootloader, name)
self._monitor = None
self._errors = {}
self._probe_once_task = SingleInstanceTask(
self._probe_once, propagate_errors=False)
self._probe_task = SingleInstanceTask(
self._probe, propagate_errors=False)
def load_autoinstall_data(self, data):
log.debug("load_autoinstall_data %s", data)
if data is None:
if not self.interactive():
data = {
'layout': {
'name': 'lvm',
},
}
else:
data = {}
log.debug("self.ai_data = %s", data)
self.ai_data = data
def configured(self):
super().configured()
self.stop_listening_udev()
@with_context()
async def apply_autoinstall_config(self, context=None):
await self._start_task
await self._probe_task.wait()
if False in self._errors:
raise self._errors[False][0]
if True in self._errors:
raise self._errors[True][0]
self.convert_autoinstall_config(context=context)
if not self.model.is_root_mounted():
raise Exception("autoinstall config did not mount root")
if self.model.needs_bootloader_partition():
raise Exception(
"autoinstall config did not create needed bootloader "
"partition")
def guided_direct(self, disk):
self.reformat(disk)
result = {
"size": disk.free_for_partitions,
"fstype": "ext4",
"mount": "/",
}
self.partition_disk_handler(disk, None, result)
def guided_lvm(self, disk, lvm_options=None):
self.reformat(disk)
if DeviceAction.TOGGLE_BOOT in DeviceAction.supported(disk):
self.add_boot_disk(disk)
self.create_partition(
device=disk, spec=dict(
size=dehumanize_size('1G'),
fstype="ext4",
mount='/boot'
))
part = self.create_partition(
device=disk, spec=dict(
size=disk.free_for_partitions,
fstype=None,
))
vg_name = 'ubuntu-vg'
i = 0
while self.model._one(type='lvm_volgroup', name=vg_name) is not None:
i += 1
vg_name = 'ubuntu-vg-{}'.format(i)
spec = dict(name=vg_name, devices=set([part]))
if lvm_options and lvm_options['encrypt']:
spec['password'] = lvm_options['luks_options']['password']
vg = self.create_volgroup(spec)
# There's no point using LVM and unconditionally filling the
# VG with a single LV, but we should use more of a smaller
# disk to avoid the user running into out of space errors
# earlier than they probably expect to.
if vg.size < 10 * (2 << 30):
# Use all of a small (<10G) disk.
lv_size = vg.size
elif vg.size < 20 * (2 << 30):
# Use 10G of a smallish (<20G) disk.
lv_size = 10 * (2 << 30)
elif vg.size < 200 * (2 << 30):
# Use half of a larger (<200G) disk.
lv_size = vg.size // 2
else:
# Use at most 100G of a large disk.
lv_size = 100 * (2 << 30)
self.create_logical_volume(
vg=vg, spec=dict(
size=lv_size,
name="ubuntu-lv",
fstype="ext4",
mount="/",
))
async def _probe_response(self, wait, resp_cls):
if self._probe_task.task is None or not self._probe_task.task.done():
if wait:
await self._start_task
await self._probe_task.wait()
else:
return resp_cls(status=ProbeStatus.PROBING)
if True in self._errors:
return resp_cls(
status=ProbeStatus.FAILED,
error_report=self._errors[True][1].ref())
return None
def full_probe_error(self):
if False in self._errors:
return self._errors[False][1].ref()
else:
return None
async def GET(self, wait: bool = False) -> StorageResponse:
probe_resp = await self._probe_response(wait, StorageResponse)
if probe_resp is not None:
return probe_resp
return StorageResponse(
status=ProbeStatus.DONE,
bootloader=self.model.bootloader,
error_report=self.full_probe_error(),
orig_config=self.model._orig_config,
config=self.model._render_actions(include_all=True),
blockdev=self.model._probe_data['blockdev'],
dasd=self.model._probe_data.get('dasd', {}))
async def POST(self, config: list):
self.model._actions = self.model._actions_from_config(
config, self.model._probe_data['blockdev'], is_probe_data=False)
self.configured()
async def guided_GET(self, min_size: int = None, wait: bool = False) \
-> GuidedStorageResponse:
probe_resp = await self._probe_response(wait, GuidedStorageResponse)
if probe_resp is not None:
return probe_resp
if not min_size:
min_size = DEFAULT_MIN_SIZE_GUIDED
return GuidedStorageResponse(
status=ProbeStatus.DONE,
error_report=self.full_probe_error(),
disks=[
labels.for_client(device, min_size=min_size)
for device in self.model._actions
if boot.can_be_boot_device(device, with_reformatting=True)
])
async def guided_POST(self, choice: Optional[GuidedChoice]) \
-> StorageResponse:
if choice is not None:
disk = self.model._one(type='disk', id=choice.disk_id)
if choice.use_lvm:
lvm_options = None
if choice.password is not None:
lvm_options = {
'encrypt': True,
'luks_options': {
'password': choice.password,
},
}
self.guided_lvm(disk, lvm_options)
else:
self.guided_direct(disk)
return await self.GET()
async def reset_POST(self, context, request) -> StorageResponse:
log.info("Resetting Filesystem model")
self.model.reset()
return await self.GET(context)
async def has_rst_GET(self) -> bool:
search = '/sys/module/ahci/drivers/pci:ahci/*/remapped_nvme'
for remapped_nvme in glob.glob(search):
with open(remapped_nvme, 'r') as f:
if int(f.read()) > 0:
return True
return False
@with_context(name='probe_once', description='restricted={restricted}')
async def _probe_once(self, *, context, restricted):
if restricted:
probe_types = {'blockdev'}
fname = 'probe-data-restricted.json'
key = "ProbeDataRestricted"
else:
probe_types = None
fname = 'probe-data.json'
key = "ProbeData"
storage = await run_in_thread(
self.app.prober.get_storage, probe_types)
fpath = os.path.join(self.app.block_log_dir, fname)
with open(fpath, 'w') as fp:
json.dump(storage, fp, indent=4)
self.app.note_file_for_apport(key, fpath)
self.model.load_probe_data(storage)
@with_context()
async def _probe(self, *, context=None):
self._errors = {}
for (restricted, kind) in [
(False, ErrorReportKind.BLOCK_PROBE_FAIL),
(True, ErrorReportKind.DISK_PROBE_FAIL),
]:
try:
await self._probe_once_task.start(
context=context, restricted=restricted)
# We wait on the task directly here, not
# self._probe_once_task.wait as if _probe_once_task
# gets cancelled, we should be cancelled too.
await asyncio.wait_for(self._probe_once_task.task, 15.0)
except asyncio.CancelledError:
# asyncio.CancelledError is a subclass of Exception in
# Python 3.6 (sadface)
raise
except Exception as exc:
block_discover_log.exception(
"block probing failed restricted=%s", restricted)
report = self.app.make_apport_report(kind, "block probing")
if report is not None:
self._errors[restricted] = (exc, report)
continue
break
@with_context()
def convert_autoinstall_config(self, context=None):
log.debug("self.ai_data = %s", self.ai_data)
if 'layout' in self.ai_data:
layout = self.ai_data['layout']
meth = getattr(self, "guided_" + layout['name'])
disk = self.model.disk_for_match(
self.model.all_disks(),
layout.get("match", {'size': 'largest'}))
meth(disk)
elif 'config' in self.ai_data:
self.model.apply_autoinstall_config(self.ai_data['config'])
self.model.grub = self.ai_data.get('grub')
self.model.swap = self.ai_data.get('swap')
def start(self):
if self.model.bootloader == Bootloader.PREP:
self.supports_resilient_boot = False
else:
release = lsb_release()['release']
self.supports_resilient_boot = release >= '20.04'
self._start_task = schedule_task(self._start())
async def _start(self):
context = pyudev.Context()
self._monitor = pyudev.Monitor.from_netlink(context)
self._monitor.filter_by(subsystem='block')
self._monitor.enable_receiving()
self.start_listening_udev()
await self._probe_task.start()
def start_listening_udev(self):
loop = asyncio.get_event_loop()
loop.add_reader(self._monitor.fileno(), self._udev_event)
def stop_listening_udev(self):
loop = asyncio.get_event_loop()
loop.remove_reader(self._monitor.fileno())
def _udev_event(self):
cp = run_command(['udevadm', 'settle', '-t', '0'])
if cp.returncode != 0:
log.debug("waiting 0.1 to let udev event queue settle")
self.stop_listening_udev()
loop = asyncio.get_event_loop()
loop.call_later(0.1, self.start_listening_udev)
return
# Drain the udev events in the queue -- if we stopped listening to
# allow udev to settle, it's good bet there is more than one event to
# process and we don't want to kick off a full block probe for each
# one. It's a touch unfortunate that pyudev doesn't have a
# non-blocking read so we resort to select().
while select.select([self._monitor.fileno()], [], [], 0)[0]:
action, dev = self._monitor.receive_device()
log.debug("_udev_event %s %s", action, dev)
self._probe_task.start_sync()
def make_autoinstall(self):
rendered = self.model.render()
r = {
'config': rendered['storage']['config']
}
if 'swap' in rendered:
r['swap'] = rendered['swap']
return r
class GeoIP:
def __init__(self, app):
self.app = app
self.element = None
self.cc = None
self.tz = None
self.check_state = CheckState.NOT_STARTED
self.on_countrycode = EventCallback()
self.on_timezone = EventCallback()
self.lookup_task = SingleInstanceTask(self.lookup)
self.app.hub.subscribe('network-up', self.maybe_start_check)
self.app.hub.subscribe('network-proxy-set', self.maybe_start_check)
def maybe_start_check(self):
if self.check_state != CheckState.DONE:
self.check_state = CheckState.CHECKING
self.lookup_task.start_sync()
async def lookup(self):
rv = await self._lookup()
if rv:
self.check_state = CheckState.DONE
else:
self.check_state = CheckState.FAILED
return rv
async def _lookup(self):
try:
response = await run_in_thread(requests.get,
"https://geoip.ubuntu.com/lookup")
response.raise_for_status()
except requests.exceptions.RequestException:
log.exception("geoip lookup failed")
return False
self.response_text = response.text
try:
self.element = ElementTree.fromstring(self.response_text)
except ElementTree.ParseError:
log.exception("parsing %r failed", self.response_text)
return False
cc = self.element.find("CountryCode")
if cc is None or cc.text is None:
log.debug("no CountryCode found in %r", self.response_text)
return False
cc = cc.text.lower()
if len(cc) != 2:
log.debug("bogus CountryCode found in %r", self.response_text)
return False
if cc != self.cc:
self.on_countrycode.broadcast(cc)
self.cc = cc
tz = self.element.find("TimeZone")
if tz is None or not tz.text:
log.debug("no TimeZone found in %r", self.response_text)
return False
if tz != self.tz:
self.on_timezone.broadcast(tz)
self.tz = tz.text
return True
@property
def countrycode(self):
return self.cc
@property
def timezone(self):
return self.tz
class FilesystemController(SubiquityController, FilesystemManipulator):
endpoint = API.storage
autoinstall_key = "storage"
autoinstall_schema = {'type': 'object'} # ...
model_name = "filesystem"
def __init__(self, app):
self.ai_data = {}
super().__init__(app)
self.model.target = app.base_model.target
if self.opts.dry_run and self.opts.bootloader:
name = self.opts.bootloader.upper()
self.model.bootloader = getattr(Bootloader, name)
self._monitor = None
self._errors = {}
self._probe_once_task = SingleInstanceTask(self._probe_once,
propagate_errors=False)
self._probe_task = SingleInstanceTask(self._probe,
propagate_errors=False)
def load_autoinstall_data(self, data):
log.debug("load_autoinstall_data %s", data)
if data is None:
if not self.interactive():
data = {
'layout': {
'name': 'lvm',
},
}
else:
data = {}
log.debug("self.ai_data = %s", data)
self.ai_data = data
def configured(self):
super().configured()
self.stop_listening_udev()
@with_context()
async def apply_autoinstall_config(self, context=None):
await self._start_task
await self._probe_task.wait()
if False in self._errors:
raise self._errors[False][0]
if True in self._errors:
raise self._errors[True][0]
self.convert_autoinstall_config(context=context)
if not self.model.is_root_mounted():
raise Exception("autoinstall config did not mount root")
if self.model.needs_bootloader_partition():
raise Exception(
"autoinstall config did not create needed bootloader "
"partition")
async def GET(self, wait: bool = False) -> StorageResponse:
if self._probe_task.task is None or not self._probe_task.task.done():
if wait:
await self._start_task
await self._probe_task.wait()
else:
return StorageResponse(status=ProbeStatus.PROBING)
if True in self._errors:
return StorageResponse(status=ProbeStatus.FAILED,
error_report=self._errors[True][1].ref())
else:
if False in self._errors:
err_ref = self._errors[False][1].ref()
else:
err_ref = None
return StorageResponse(
status=ProbeStatus.DONE,
bootloader=self.model.bootloader,
error_report=err_ref,
orig_config=self.model._orig_config,
config=self.model._render_actions(include_all=True),
blockdev=self.model._probe_data['blockdev'],
dasd=self.model._probe_data.get('dasd', {}))
async def POST(self, config: list):
self.model._actions = self.model._actions_from_config(
config, self.model._probe_data['blockdev'], is_probe_data=False)
self.configured()
async def reset_POST(self, context, request) -> StorageResponse:
log.info("Resetting Filesystem model")
self.model.reset()
return await self.GET(context)
@with_context(name='probe_once', description='restricted={restricted}')
async def _probe_once(self, *, context, restricted):
if restricted:
probe_types = {'blockdev'}
fname = 'probe-data-restricted.json'
key = "ProbeDataRestricted"
else:
probe_types = None
fname = 'probe-data.json'
key = "ProbeData"
storage = await run_in_thread(self.app.prober.get_storage, probe_types)
fpath = os.path.join(self.app.block_log_dir, fname)
with open(fpath, 'w') as fp:
json.dump(storage, fp, indent=4)
self.app.note_file_for_apport(key, fpath)
self.model.load_probe_data(storage)
@with_context()
async def _probe(self, *, context=None):
self._errors = {}
for (restricted, kind) in [
(False, ErrorReportKind.BLOCK_PROBE_FAIL),
(True, ErrorReportKind.DISK_PROBE_FAIL),
]:
try:
await self._probe_once_task.start(context=context,
restricted=restricted)
# We wait on the task directly here, not
# self._probe_once_task.wait as if _probe_once_task
# gets cancelled, we should be cancelled too.
await asyncio.wait_for(self._probe_once_task.task, 15.0)
except asyncio.CancelledError:
# asyncio.CancelledError is a subclass of Exception in
# Python 3.6 (sadface)
raise
except Exception as exc:
block_discover_log.exception(
"block probing failed restricted=%s", restricted)
report = self.app.make_apport_report(kind, "block probing")
if report is not None:
self._errors[restricted] = (exc, report)
continue
break
@with_context()
def convert_autoinstall_config(self, context=None):
log.debug("self.ai_data = %s", self.ai_data)
if 'layout' in self.ai_data:
layout = self.ai_data['layout']
meth = getattr(self, "guided_" + layout['name'])
disk = self.model.disk_for_match(
self.model.all_disks(), layout.get("match",
{'size': 'largest'}))
meth(disk)
elif 'config' in self.ai_data:
self.model.apply_autoinstall_config(self.ai_data['config'])
self.model.grub = self.ai_data.get('grub', {})
self.model.swap = self.ai_data.get('swap')
def start(self):
if self.model.bootloader == Bootloader.PREP:
self.supports_resilient_boot = False
else:
release = lsb_release()['release']
self.supports_resilient_boot = release >= '20.04'
self._start_task = schedule_task(self._start())
async def _start(self):
context = pyudev.Context()
self._monitor = pyudev.Monitor.from_netlink(context)
self._monitor.filter_by(subsystem='block')
self._monitor.enable_receiving()
self.start_listening_udev()
await self._probe_task.start()
def start_listening_udev(self):
loop = asyncio.get_event_loop()
loop.add_reader(self._monitor.fileno(), self._udev_event)
def stop_listening_udev(self):
loop = asyncio.get_event_loop()
loop.remove_reader(self._monitor.fileno())
def _udev_event(self):
cp = run_command(['udevadm', 'settle', '-t', '0'])
if cp.returncode != 0:
log.debug("waiting 0.1 to let udev event queue settle")
self.stop_listening_udev()
loop = asyncio.get_event_loop()
loop.call_later(0.1, self.start_listening_udev)
return
# Drain the udev events in the queue -- if we stopped listening to
# allow udev to settle, it's good bet there is more than one event to
# process and we don't want to kick off a full block probe for each
# one. It's a touch unfortunate that pyudev doesn't have a
# non-blocking read so we resort to select().
while select.select([self._monitor.fileno()], [], [], 0)[0]:
action, dev = self._monitor.receive_device()
log.debug("_udev_event %s %s", action, dev)
self._probe_task.start_sync()
def make_autoinstall(self):
rendered = self.model.render()
r = {'config': rendered['storage']['config']}
if 'swap' in rendered:
r['swap'] = rendered['swap']
return r