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Krzysztof kuhy Rudnicki
ce3c4213b0
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300M held about two days on kuhy's desktop: one Steam boot wrote 480k journal lines and the evidence for a curfew failure two weeks earlier was already gone when it was needed (2026-09-13). The three Arch copies of the journal tweak (arch_hardware, arch_perf_fixes, arch_perf_report) move to a 4G cap, and "large"/vacuum now mean past that cap — a 2G journal is deliberate retention, not a finding. Tests follow. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_015mLnUeoJ3mUwGRTowTUH6d
123 lines
5.2 KiB
Bash
Executable File
123 lines
5.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Tests for lib/arch_perf_fixes.sh: fix_journal, fix_nm_wait_online and
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# fix_media_organizer.
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set -uo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck source=arch_perf_harness.sh
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. "${SCRIPT_DIR}/arch_perf_harness.sh"
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# shellcheck source=../arch_perf_fixes.sh
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. "${FIXES_DIR}/lib/arch_perf_fixes.sh"
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dropin="${JOURNALD_CONF_DIR}/size-limit.conf"
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unit="${SYSTEMD_UNIT_DIR}/media-organizer.service"
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# --- fix_journal ------------------------------------------------------------
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# A multi-gigabyte journal is vacuumed AND capped. This only fires because the
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# size regex now tolerates journalctl's spaceless "4.2G" output; with the old
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# pattern the vacuum was unreachable.
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arch_reset
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_t_stub journalctl 'echo "Archived and active journals take up 4.2G in the file system."'
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fix_journal
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_t_contains "$(_t_calls)" "journalctl --vacuum-size=4G" \
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"fix_journal: vacuums a multi-gigabyte journal"
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_t_contains "$(cat "$dropin" 2>/dev/null)" "SystemMaxUse=4G" \
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"fix_journal: writes the permanent size cap"
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_t_contains "$(_t_calls)" "systemctl restart systemd-journald" \
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"fix_journal: restarts journald after writing the cap"
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# A journal already under a gigabyte is left alone, but still capped.
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arch_reset
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_t_stub journalctl 'echo "Archived and active journals take up 240.0M in the file system."'
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out="$(fix_journal 2>&1)"
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_t_contains "$out" "already under 4G" \
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"fix_journal: reports a journal that is already small enough"
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_t_lacks "$(_t_calls)" "journalctl --vacuum-size" \
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"fix_journal: does not vacuum a journal measured in megabytes"
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_t_contains "$(cat "$dropin" 2>/dev/null)" "SystemMaxUse=4G" \
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"fix_journal: still writes the cap for a small journal"
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# The cap already exists: it is not rewritten and journald is not restarted.
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arch_reset
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_t_stub journalctl 'echo "120.0M"'
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printf '[Journal]\nSystemMaxUse=4G\n' >"$dropin"
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out="$(fix_journal 2>&1)"
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_t_contains "$out" "size cap already configured" \
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"fix_journal: reports an already-configured size cap"
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_t_lacks "$(_t_calls)" "systemctl restart systemd-journald" \
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"fix_journal: does not restart journald when the cap already exists"
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# --- fix_nm_wait_online -----------------------------------------------------
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arch_reset
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_t_stub systemctl 'exit 0'
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fix_nm_wait_online
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_t_contains "$(_t_calls)" "systemctl disable NetworkManager-wait-online.service" \
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"fix_nm_wait_online: disables the wait-online unit when it is enabled"
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arch_reset
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_t_stub systemctl 'exit 1'
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out="$(fix_nm_wait_online 2>&1)"
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_t_contains "$out" "already disabled" \
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"fix_nm_wait_online: reports a unit that is already disabled"
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_t_lacks "$(_t_calls)" "systemctl disable" \
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"fix_nm_wait_online: does not re-disable an already-disabled unit"
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# --- fix_media_organizer ----------------------------------------------------
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# The organizer script is nowhere to be found: the fix is skipped. Both
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# candidate paths are absolute; the first is overridden into the tmpdir and
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# the second is a real home path that does not exist on this machine.
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arch_reset
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if [[ -f /home/kuhy/src/testsAndMisc/linux_configuration/utils/organize_downloads.sh ]]; then
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_t_pass "fix_media_organizer: SKIP not-found case (the second candidate exists here)"
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else
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out="$(fix_media_organizer 2>&1)"
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_t_contains "$out" "not found — skipping" \
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"fix_media_organizer: skips when no organize_downloads.sh exists"
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_t_lacks "$(_t_calls)" "systemctl daemon-reload" \
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"fix_media_organizer: writes no unit when the script is missing"
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fi
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# The script exists: the unit is written, reloaded and enabled.
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arch_reset
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printf '#!/bin/bash\necho organize\n' >"$ORGANIZE_SCRIPT_CANDIDATES"
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out="$(SUDO_USER="kuhy" fix_media_organizer 2>&1)"
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unit_text="$(cat "$unit" 2>/dev/null)"
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_t_contains "$unit_text" "Description=Media File Organizer" \
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"fix_media_organizer: writes the unit description"
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_t_contains "$unit_text" "User=kuhy" \
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"fix_media_organizer: runs the unit as the invoking user, not root"
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_t_contains "$unit_text" "ExecStart=${ORGANIZE_SCRIPT_CANDIDATES}" \
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"fix_media_organizer: points ExecStart at the script it found"
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_t_contains "$(_t_calls)" "systemctl daemon-reload" \
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"fix_media_organizer: reloads systemd after writing the unit"
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_t_contains "$(_t_calls)" "systemctl enable media-organizer.service" \
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"fix_media_organizer: enables the unit"
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_t_contains "$(_t_calls)" "systemctl stop media-organizer.service" \
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"fix_media_organizer: stops the old unit before replacing it"
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# An already-correct unit is left alone.
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arch_reset
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printf '#!/bin/bash\n' >"$ORGANIZE_SCRIPT_CANDIDATES"
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printf 'User=kuhy\nExecStart=%s\n' "$ORGANIZE_SCRIPT_CANDIDATES" >"$unit"
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out="$(SUDO_USER="kuhy" fix_media_organizer 2>&1)"
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_t_contains "$out" "already correctly configured" \
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"fix_media_organizer: skips a unit that is already correct"
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_t_eq "" "$(_t_calls)" \
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"fix_media_organizer: runs no systemctl command when the unit is correct"
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# A unit that exists but names the WRONG user is rewritten.
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arch_reset
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printf '#!/bin/bash\n' >"$ORGANIZE_SCRIPT_CANDIDATES"
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printf 'User=someoneelse\nExecStart=%s\n' "$ORGANIZE_SCRIPT_CANDIDATES" >"$unit"
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out="$(SUDO_USER="kuhy" fix_media_organizer 2>&1)"
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_t_contains "$(cat "$unit")" "User=kuhy" \
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"fix_media_organizer: rewrites a unit that names the wrong user"
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echo
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echo "arch_perf_fixes: ${PASS} passed, ${FAIL} failed"
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((FAIL == 0))
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