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https://github.com/koverstreet/bcachefs-tools.git
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85 lines
2.3 KiB
SYSTEMD
85 lines
2.3 KiB
SYSTEMD
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# SPDX-License-Identifier: GPL-2.0
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#
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# Copyright (C) 2023-2024 Oracle. All Rights Reserved.
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# Author: Darrick J. Wong <djwong@kernel.org>
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[Unit]
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Description=Online bcachefsck for All Filesystems
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OnFailure=bcachefsck_all_fail.service
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ConditionACPower=true
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Documentation=man:bcachefsck_all(8)
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After=paths.target multi-user.target network.target network-online.target systemd-networkd.service NetworkManager.service connman.service
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[Service]
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Type=oneshot
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Environment=SERVICE_MODE=1
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ExecStart=bcachefsck_all
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SyslogIdentifier=bcachefsck_all
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# Create the service underneath the scrub background service slice so that we
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# can control resource usage.
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Slice=system-bcachefsck.slice
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# Run scrub_all with minimal CPU and IO priority so that nothing will starve.
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IOSchedulingClass=idle
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CPUSchedulingPolicy=idle
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CPUAccounting=true
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Nice=19
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# No realtime scheduling
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RestrictRealtime=true
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# No special privileges, but we still have to run as root so that we can
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# contact the service manager to start the sub-units.
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CapabilityBoundingSet=
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NoNewPrivileges=true
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RestrictSUIDSGID=true
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# Make the entire filesystem readonly except for the media scan stamp file
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# directory. We don't want to hide anything because we need to find all
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# mounted bcachefs filesystems in the host.
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ProtectSystem=strict
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ProtectHome=read-only
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PrivateTmp=false
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# No network access except to the systemd control socket
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PrivateNetwork=true
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ProtectHostname=true
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RestrictAddressFamilies=AF_UNIX
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IPAddressDeny=any
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# Don't let the program mess with the kernel configuration at all
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ProtectKernelLogs=true
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ProtectKernelModules=true
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ProtectKernelTunables=true
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ProtectControlGroups=true
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ProtectProc=invisible
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RestrictNamespaces=true
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# Hide everything in /proc, even /proc/mounts
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ProcSubset=pid
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# Only allow the default personality Linux
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LockPersonality=true
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# No writable memory pages
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MemoryDenyWriteExecute=true
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# Don't let our mounts leak out to the host
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PrivateMounts=true
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# Restrict system calls to the native arch and only enough to get things going
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SystemCallArchitectures=native
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SystemCallFilter=@system-service
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SystemCallFilter=~@privileged
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SystemCallFilter=~@resources
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SystemCallFilter=~@mount
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# Media scan stamp file shouldn't be readable by regular users
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UMask=0077
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# lsblk ignores mountpoints if it can't find the device files, so we cannot
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# hide them
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#ProtectClock=true
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#PrivateDevices=true
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