kyx revised this gist 1 week ago. Go to revision
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kyx revised this gist 1 week ago. Go to revision
1 file changed, 65 insertions
apt-auto-update.sh(file created)
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| 1 | + | #!/usr/bin/env bash | |
| 2 | + | set -euo pipefail | |
| 3 | + | ||
| 4 | + | # --- Réglages --- | |
| 5 | + | LOGFILE="/var/log/auto-upgrade.log" | |
| 6 | + | LOCKFILE="/var/run/auto-upgrade.lock" | |
| 7 | + | export DEBIAN_FRONTEND=noninteractive | |
| 8 | + | APT_OPTS=(-y -o Dpkg::Options::=--force-confdef -o Dpkg::Options::=--force-confold) | |
| 9 | + | ||
| 10 | + | # --- Vérification root --- | |
| 11 | + | if [ "$(id -u)" -ne 0 ]; then | |
| 12 | + | echo "Ce script doit être exécuté en root." >&2 | |
| 13 | + | exit 1 | |
| 14 | + | fi | |
| 15 | + | ||
| 16 | + | # --- Logging --- | |
| 17 | + | umask 022 | |
| 18 | + | mkdir -p "$(dirname "$LOGFILE")" | |
| 19 | + | if [ -t 1 ]; then | |
| 20 | + | exec > >(tee -a "$LOGFILE") 2>&1 | |
| 21 | + | else | |
| 22 | + | exec >>"$LOGFILE" 2>&1 | |
| 23 | + | fi | |
| 24 | + | ||
| 25 | + | echo "===== $(date -Is) : démarrage auto-upgrade (Debian/Ubuntu) =====" | |
| 26 | + | ||
| 27 | + | # --- Lock pour éviter les collisions --- | |
| 28 | + | exec 9>"$LOCKFILE" | |
| 29 | + | if ! flock -n 9; then | |
| 30 | + | echo "Un autre auto-upgrade est déjà en cours, arrêt." | |
| 31 | + | exit 0 | |
| 32 | + | fi | |
| 33 | + | ||
| 34 | + | # --- Update & upgrade --- | |
| 35 | + | echo "[1/4] apt-get update" | |
| 36 | + | apt-get update | |
| 37 | + | ||
| 38 | + | echo "[2/4] apt-get upgrade" | |
| 39 | + | apt-get upgrade "${APT_OPTS[@]}" | |
| 40 | + | ||
| 41 | + | # --- Full-upgrade/disto si besoin --- | |
| 42 | + | echo "[3/4] Vérification si un full-upgrade est nécessaire…" | |
| 43 | + | if apt-get -s dist-upgrade | awk '/^Inst / { found=1; exit } END { exit !found }'; then | |
| 44 | + | echo "Des paquets nécessitent un full-upgrade → exécution." | |
| 45 | + | apt-get dist-upgrade "${APT_OPTS[@]}" | |
| 46 | + | else | |
| 47 | + | echo "Full-upgrade non nécessaire." | |
| 48 | + | fi | |
| 49 | + | ||
| 50 | + | # --- Autoremove --- | |
| 51 | + | echo "[4/4] apt-get autoremove --purge" | |
| 52 | + | apt-get autoremove --purge -y | |
| 53 | + | ||
| 54 | + | # --- Reboot si requis --- | |
| 55 | + | if [ -f /var/run/reboot-required ]; then | |
| 56 | + | PKG_COUNT=$(wc -l < /var/run/reboot-required.pkgs 2>/dev/null || echo 0) | |
| 57 | + | echo "Reboot nécessaire (${PKG_COUNT} paquet(s) impliqué(s))." | |
| 58 | + | /sbin/reboot | |
| 59 | + | else | |
| 60 | + | echo "Pas besoin de reboot." | |
| 61 | + | fi | |
| 62 | + | ||
| 63 | + | echo "===== $(date -Is) : fin auto-upgrade =====" | |
| 64 | + | echo "--------------------------------------------------------" | |
| 65 | + | exit 0 | |
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