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Krzysztof kuhy Rudnicki
694c013b6b
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Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
54 lines
1.7 KiB
Bash
Executable File
54 lines
1.7 KiB
Bash
Executable File
#!/bin/bash
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# ============================================================================
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# Runs INSIDE the guest (as root) for tests/rtcwake_e2e.sh.
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#
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# rtcwake_guest_probe.sh install install a boot-time unit and a resume hook
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# rtcwake_guest_probe.sh <event> append "<event> <epoch> <boot_id>" to the log
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#
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# These stand in for the units a real wake flow depends on (wake-alarm's
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# on-boot timer, a post-resume hook): the test asserts they RAN, and when,
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# relative to the armed alarm -- not merely that the guest answered ssh.
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# ============================================================================
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set -euo pipefail
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readonly LOG_DIR=/var/lib/vmbox-wake
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readonly LOG="$LOG_DIR/log"
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readonly SELF=/usr/local/sbin/vmbox-wake-probe
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record() {
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local boot_id epoch
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read -r boot_id < /proc/sys/kernel/random/boot_id
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printf -v epoch '%(%s)T' -1
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install -d -m 755 "$LOG_DIR"
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printf '%s %s %s\n' "$1" "$epoch" "$boot_id" >> "$LOG"
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}
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install_probe() {
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install -m 755 "$0" "$SELF"
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cat > /etc/systemd/system/vmbox-wake-boot.service <<UNIT
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[Unit]
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Description=vmbox wake test: record that a boot happened, and when
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[Service]
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Type=oneshot
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ExecStart=$SELF boot
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[Install]
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WantedBy=multi-user.target
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UNIT
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# systemd-sleep runs every executable here with (pre|post) (hibernate|...).
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cat > /usr/lib/systemd/system-sleep/vmbox-wake-probe <<HOOK
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#!/bin/sh
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[ "\$1" = post ] && exec $SELF "resume-\$2"
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exit 0
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HOOK
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chmod 755 /usr/lib/systemd/system-sleep/vmbox-wake-probe
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systemctl daemon-reload
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systemctl enable vmbox-wake-boot.service
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}
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case "${1:-}" in
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install) install_probe ;;
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'') echo "usage: $0 install | <event>" >&2; exit 2 ;;
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*) record "$1" ;;
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esac
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