Created
February 18, 2026 14:24
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| #!/bin/bash | |
| # バックアップ中の unattended-upgrade 抑止制御 | |
| # Usage: bareos-apt-inhibit.sh lock|unlock | |
| LOCKDIR="/run/bareos-apt-inhibit" | |
| LOCKFILE="${LOCKDIR}/lock" | |
| COUNTFILE="${LOCKDIR}/count" | |
| mkdir -p "$LOCKDIR" | |
| case "$1" in | |
| lock) | |
| ( | |
| flock -w 10 200 || exit 1 | |
| count=$(cat "$COUNTFILE" 2>/dev/null || echo 0) | |
| if [ "$count" -eq 0 ]; then | |
| echo "$(date): Inhibiting apt-daily-upgrade (JobId=${2:-unknown})" >> /var/log/bareos/apt-inhibit.log | |
| # 実行中のunattended-upgradeを待つ（最大5分） | |
| timeout 300 bash -c 'while systemctl is-active --quiet apt-daily-upgrade.service; do sleep 5; done' 2>/dev/null | |
| systemctl mask --now apt-daily-upgrade.service apt-daily-upgrade.timer | |
| fi | |
| echo $((count + 1)) > "$COUNTFILE" | |
| ) 200>"$LOCKFILE" | |
| ;; | |
| unlock) | |
| ( | |
| flock -w 10 200 || exit 1 | |
| count=$(cat "$COUNTFILE" 2>/dev/null || echo 0) | |
| count=$((count - 1)) | |
| [ "$count" -lt 0 ] && count=0 | |
| echo "$count" > "$COUNTFILE" | |
| if [ "$count" -eq 0 ]; then | |
| echo "$(date): Releasing apt-daily-upgrade (JobId=${2:-unknown})" >> /var/log/bareos/apt-inhibit.log | |
| systemctl unmask apt-daily-upgrade.service apt-daily-upgrade.timer | |
| systemctl start apt-daily-upgrade.timer | |
| fi | |
| ) 200>"$LOCKFILE" | |
| ;; | |
| status) | |
| count=$(cat "$COUNTFILE" 2>/dev/null || echo 0) | |
| echo "Active locks: $count" | |
| systemctl is-enabled apt-daily-upgrade.timer 2>/dev/null && echo "Timer: enabled" || echo "Timer: masked" | |
| ;; | |
| *) | |
| echo "Usage: $0 {lock|unlock|status} [JobId]" | |
| exit 1 | |
| ;; | |
| esac |
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