149 lines
3.9 KiB
Bash
Executable File
149 lines
3.9 KiB
Bash
Executable File
#!/bin/bash
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set -Eeuo pipefail
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HOST="$(hostname)"
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LOG="/opt/pingu/logs/update.log"
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TELEGRAM_TOKEN="${TELEGRAM_TOKEN:-8101319618:AAHboFVVgmLPccJB0MDr_R2g0K90hkGqkRw}"
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TELEGRAM_CHAT_ID="${TELEGRAM_CHAT_ID:-581059353}"
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REBOOT=0
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DOCKER_UPDATES=0
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DOCKER_UPDATE_LIST=""
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log() {
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local msg="$1"
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echo "[$(date '+%F %T')] $msg" | tee -a "$LOG"
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}
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send_telegram() {
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local text="$1"
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local http_code
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http_code="$(curl -sS --show-error \
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-o /tmp/pingu-telegram-response.txt \
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-w '%{http_code}' \
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-X POST "https://api.telegram.org/bot${TELEGRAM_TOKEN}/sendMessage" \
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--data-urlencode "chat_id=${TELEGRAM_CHAT_ID}" \
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--data-urlencode "text=${text}")"
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cat /tmp/pingu-telegram-response.txt >> "$LOG"
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echo >> "$LOG"
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if [ "$http_code" -ne 200 ]; then
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log "Telegram-API Fehler, HTTP ${http_code}"
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return 1
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fi
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}
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cleanup_on_error() {
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local exit_code=$?
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local line_no="${1:-unknown}"
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log "FEHLER in Zeile ${line_no}, Exit-Code ${exit_code}"
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curl -sS -X POST "https://api.telegram.org/bot${TELEGRAM_TOKEN}/sendMessage" \
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--data-urlencode "chat_id=${TELEGRAM_CHAT_ID}" \
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--data-urlencode "text=❌ ${HOST}: Update-Script fehlgeschlagen in Zeile ${line_no} (Exit ${exit_code})." \
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>> "$LOG" 2>&1 || true
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exit "$exit_code"
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}
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trap 'cleanup_on_error ${LINENO}' ERR
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check_docker_updates() {
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if ! command -v docker >/dev/null 2>&1; then
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log "Docker nicht installiert - überspringe Container-Prüfung"
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return 0
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fi
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if ! docker info >/dev/null 2>&1; then
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log "Docker-Daemon nicht erreichbar - überspringe Container-Prüfung"
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return 0
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fi
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local container_ids
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mapfile -t container_ids < <(docker ps -q)
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if [ "${#container_ids[@]}" -eq 0 ]; then
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log "Keine laufenden Docker-Container gefunden"
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return 0
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fi
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log "Prüfe ${#container_ids[@]} laufende Docker-Container auf Image-Updates"
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local cid name image running_id latest_id pull_output
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for cid in "${container_ids[@]}"; do
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name="$(docker inspect --format '{{.Name}}' "$cid" | sed 's#^/##')"
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image="$(docker inspect --format '{{.Config.Image}}' "$cid")"
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running_id="$(docker inspect --format '{{.Image}}' "$cid")"
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log "Prüfe Container ${name} mit Image ${image}"
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if pull_output="$(docker pull "$image" 2>&1)"; then
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latest_id="$(docker image inspect --format '{{.Id}}' "$image")"
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if [ "$running_id" != "$latest_id" ]; then
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DOCKER_UPDATES=$((DOCKER_UPDATES + 1))
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DOCKER_UPDATE_LIST+=$'\n'"🐳 ${name} (${image})"
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log "Update verfügbar für ${name}"
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else
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log "Kein Update für ${name}"
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fi
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else
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log "Konnte Image ${image} für ${name} nicht prüfen: ${pull_output}"
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fi
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done
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}
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main() {
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touch "$LOG"
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chmod 600 "$LOG"
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log "=== Update Start ${HOST} ==="
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export DEBIAN_FRONTEND=noninteractive
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log "Starte apt-get update"
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apt-get update >> "$LOG" 2>&1
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log "Starte apt-get upgrade"
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apt-get -y upgrade >> "$LOG" 2>&1
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if [ -f /var/run/reboot-required ]; then
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REBOOT=1
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log "Reboot erforderlich"
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else
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log "Kein Reboot erforderlich"
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fi
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check_docker_updates
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local msg="🐧 ${HOST}: Updates installiert."
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if [ "$REBOOT" -eq 1 ]; then
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msg="${msg} REBOOT erforderlich."
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else
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msg="${msg} Kein Reboot nötig."
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fi
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if [ "$DOCKER_UPDATES" -gt 0 ]; then
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msg+=$'\n\n'"🐳 Docker-Updates verfügbar: ${DOCKER_UPDATES}${DOCKER_UPDATE_LIST}"
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else
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msg+=$'\n\n'"🐳 Docker-Container aktuell."
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fi
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log "Sende Telegram-Nachricht"
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send_telegram "$msg"
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log "$msg"
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log "=== Update Ende ${HOST} ==="
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if [ "$REBOOT" -eq 1 ]; then
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log "System wird neu gestartet"
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reboot
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fi
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}
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#test telegram
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main "$@"
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