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Support swap files in qemu or bare-metal mode

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This can help alleviate memory pressure when bootstrapping
with high core counts.
This commit is contained in:
Gábor Stefanik 2024-01-01 22:51:33 +01:00
parent 9384a5d432
commit d5008f93a5
3 changed files with 32 additions and 1 deletions
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13
rootfs.py
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@ -12,6 +12,7 @@ you can run bootstap inside chroot.
# SPDX-FileCopyrightText: 2021 Bastian Bittorf <bb@npl.de>
# SPDX-FileCopyrightText: 2021 Melg Eight <public.melg8@gmail.com>
# SPDX-FileCopyrightText: 2021-23 fosslinux <fosslinux@aussies.space>
# SPDX-FileCopyrightText: 2023-24 Gábor Stefanik <netrolller.3d@gmail.com>
import argparse
import os
@ -31,6 +32,7 @@ def create_configuration_file(args):
config.write(f"CHROOT={args.chroot or args.bwrap}\n")
config.write(f"UPDATE_CHECKSUMS={args.update_checksums}\n")
config.write(f"JOBS={args.cores}\n")
config.write(f"SWAP_SIZE={args.swap}\n")
config.write(f"INTERNAL_CI={args.internal_ci or False}\n")
config.write(f"BARE_METAL={args.bare_metal}\n")
if (args.bare_metal or args.qemu) and not args.kernel:
@ -44,7 +46,7 @@ def create_configuration_file(args):
config.write("KERNEL_BOOTSTRAP=False\n")
config.write(f"BUILD_KERNELS={args.update_checksums or args.build_kernels}\n")
# pylint: disable=too-many-statements
# pylint: disable=too-many-statements,too-many-branches
def main():
"""
A few command line arguments to customize bootstrap.
@ -86,6 +88,8 @@ def main():
parser.add_argument("--early-preseed",
help="Skip early stages of live-bootstrap.", nargs=None)
parser.add_argument("--internal-ci", help="INTERNAL for github CI")
parser.add_argument("-s", "--swap", help="Swap space to allocate in Linux",
default=0)
# QEMU arguments
parser.add_argument("-q", "--qemu", help="Use QEMU",
@ -143,6 +147,13 @@ def main():
else:
args.target_size = 0
# Swap file size validation
if args.qemu or args.bare_metal:
args.swap = (int(str(args.swap).rstrip('gGmM')) *
(1024 if str(args.swap).lower().endswith('g') else 1))
else:
args.swap = 0
# bootstrap.cfg
try:
os.remove(os.path.join('steps', 'bootstrap.cfg'))