arch-image-builder/builder/component/systemd.py

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from builder.lib import utils
from builder.build import filesystem
from builder.lib.context import ArchBuilderContext
def systemctl(ctx: ArchBuilderContext, args: list[str]):
"""
Call systemctl in rootfs
"""
path = ctx.get_rootfs()
full_args = ["systemctl"]
if utils.have_external("systemctl"):
# use host systemctl possible
full_args.append(f"--root={path}")
full_args.extend(args)
ret = ctx.run_external(full_args)
else:
# if host systemd is unavailable, use chroot run
full_args.extend(args)
ret = filesystem.chroot_run(ctx, full_args)
if ret != 0: raise OSError(
"systemctl %s failed: %d",
" ".join(args), ret
)
def enable(ctx: ArchBuilderContext, units: list[str]):
"""
Enable systemd units
"""
if len(units) <= 0: return
args = ["enable", "--"]
args.extend(units)
systemctl(ctx, args)
def disable(ctx: ArchBuilderContext, units: list[str]):
"""
Disable systemd units
"""
if len(units) <= 0: return
args = ["disable", "--"]
args.extend(units)
systemctl(ctx, args)
def set_default(ctx: ArchBuilderContext, unit: str):
"""
Set default boot target for systemd
"""
if not unit: return
systemctl(ctx, ["set-default", "--", unit])