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# Copyright 2017 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# =*= License: GPL-3+ =*=
import vmdb
class MkfsPlugin(vmdb.Plugin):
def enable(self):
self.app.step_runners.add(MkfsStepRunner())
class MkfsStepRunner(vmdb.StepRunnerInterface):
def get_key_spec(self):
return {"mkfs": str, "partition": str, "label": "", "options": ""}
def run(self, values, settings, state):
fstype = values["mkfs"]
tag = values["partition"]
device = state.tags.get_dev(tag)
if not isinstance(fstype, str):
raise vmdb.NotString("mkfs", fstype)
if not isinstance(tag, str):
raise vmdb.NotString("mkfs: tag", tag)
if not isinstance(device, str):
raise vmdb.NotString("mkfs: device (for tag)", device)
cmd = ["/sbin/mkfs", "-t", fstype]
label = values["label"] or None
if label:
if fstype == "vfat":
cmd.append("-n")
elif fstype == "f2fs":
cmd.append("-l")
else:
cmd.append("-L")
cmd.append(label)
# Ext4 filesystem features large_dir and metadta_csum_seed
# are known to make versions of GRUB older than 2.06-8 unable
# to boot. Keep this round at least until it is no longer
# likely enough(?) users will try to build older target systems
if fstype == "ext4":
cmd.append("-O")
cmd.append("^large_dir")
cmd.append("-O")
cmd.append("^metadata_csum_seed")
options = values["options"] or None
if options:
for opt in options.split(" "):
cmd.append(opt)
cmd.append(device)
vmdb.runcmd(cmd)
uuid = (
vmdb.runcmd(
[
"blkid",
"-c/dev/null",
"-ovalue",
"-sUUID",
device,
]
)
.decode()
.strip()
)
state.tags.set_fstype(tag, fstype)
state.tags.set_fsuuid(tag, uuid)
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