mirror of
https://github.com/kuhyx/steam-backlog-enforcer.git
synced 2026-11-11 13:47:31 +01:00
Krzysztof kuhy Rudnicki
a5abb94d85
Steam's srt-logger runs inside steam-backlog-enforcer.service's cgroup and mirrors Steam's console into journald on its own — the DEVNULL stderr the spawn already uses does not reach it, and the env carried SRT_LOG_TO_JOURNAL=0, which is not the variable it reads. One boot on 2026-09-12 wrote 481k "joystick FFB effect status" lines (99% of the journal) and evicted two weeks of history from a 300M journal, along with the evidence for that night's curfew failure. - desktop_env_args(): SRT_LOGGER_USE_JOURNAL=0, the variable srt-logger actually honours. Steam keeps its own logs/console-linux.txt. - Unit: LogFilterPatterns for the two known flood patterns plus a per-unit rate limit, so a future Steam that ignores the variable still cannot take the journal with it. The unit file is deployed and daemon-reloaded; the running service is not restarted, because Steam is its child and a restart would kill a live game. The env fix takes effect on the next enforcer start. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_015mLnUeoJ3mUwGRTowTUH6d
40 lines
1.7 KiB
Desktop File
40 lines
1.7 KiB
Desktop File
[Unit]
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Description=Steam Backlog Enforcer
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After=network-online.target
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Wants=network-online.target
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[Service]
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Type=simple
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WorkingDirectory=/opt/steam-backlog-enforcer
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ExecStart=/usr/bin/python3 -m steam_backlog_enforcer.main enforce
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Restart=always
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RestartSec=5
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Environment=PYTHONUNBUFFERED=1
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Environment=PYTHONPATH=/opt/steam-backlog-enforcer
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Environment=HOME=/home/kuhy
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Environment=STEAM_ENFORCER_DESKTOP_USER=__DESKTOP_USER__
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Environment=DISPLAY=:0
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# Hardening: enforcer must not be easily killed.
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OOMScoreAdjust=-900
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# Journal backstop. Steam's srt-logger runs in this unit's cgroup and mirrors
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# Steam's console into journald; 2026-09-12 it wrote 481k "joystick FFB"
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# lines in one boot (99% of the journal) and evicted two weeks of history.
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# SRT_LOGGER_USE_JOURNAL=0 in the spawn env is the fix at source; these two
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# make sure a future Steam that ignores it still cannot flood the journal.
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LogFilterPatterns=~Failed to get joystick[0-9]+ FFB effect status
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LogFilterPatterns=~FFBInterface
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LogRateLimitIntervalSec=1min
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LogRateLimitBurst=2000
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#
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# DO NOT ADD PrivateMounts=, PrivateTmp=, ProtectSystem= OR ProtectHome= HERE.
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# The daily gaming budget enforces its cutoff by bind-mounting a refusal stub
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# over /usr/bin/steam and the other launcher entry points. Any of those
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# directives gives this service a private mount namespace, so those mounts stay
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# invisible to the rest of the system: the launchers keep working while the
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# counter keeps running, and the block silently becomes a no-op. That failure
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# mode is invisible from the outside, which is why it is spelled out here.
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# _playtime_block.mounts_are_visible() logs an error if it ever happens.
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[Install]
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WantedBy=multi-user.target
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