pi-farm
953ed46e8c
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Docker Build Smart Logic / Build amd64 & arm64 (push) Successful in 16s
124 lines
4.7 KiB
Bash
124 lines
4.7 KiB
Bash
#!/bin/bash
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CONFIG_DIR="/config"
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CONFIG_FILE="$CONFIG_DIR/watchdog.conf"
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STATE_FILE="$CONFIG_DIR/watch_state.json"
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# Initialisierung: Existiert die Datei UND ist sie valides JSON?
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# Falls nein (oder leer/korrupt), schreiben wir {} hinein.
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if [ ! -f "$STATE_FILE" ] || ! jq -e . "$STATE_FILE" >/dev/null 2>&1; then
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echo "⚠️ State-Datei war ungültig oder leer. Setze Reset auf {}."
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echo "{}" > "$STATE_FILE"
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fi
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while true; do
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# 1. Config laden
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if [ -f "$CONFIG_FILE" ]; then
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source "$CONFIG_FILE"
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else
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echo "❌ Fehler: $CONFIG_FILE nicht gefunden!"
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sleep 60; continue
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fi
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# 2. HIER NEU: msmtp Konfiguration IMMER neu schreiben
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# Damit ist sie immer verfügbar für Tests und Updates
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cat <<EOF > /etc/msmtprc
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defaults
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auth on
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tls on
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tls_starttls off
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tls_trust_file /etc/ssl/certs/ca-certificates.crt
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logfile /var/log/msmtp.log
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account default
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host $SMTP_HOST
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port $SMTP_PORT
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from $EMAIL_FROM
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user $SMTP_USER
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password $SMTP_PASS
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EOF
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chmod 600 /etc/msmtprc
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INTERVAL=${CHECK_INTERVAL:-3600}
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UPDATES_FOUND=""
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echo "--- Starte Check: $(date) ---"
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for entry in "${TARGETS[@]}"; do
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IFS="|" read -r TYPE REPO EXTRA <<< "$entry"
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KEY="${TYPE}_${REPO//[\/\.]/_}_${EXTRA}"
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# Aktuellen Wert aus Datei lesen
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OLD_VAL=$(jq -r ".[\"$KEY\"] // empty" "$STATE_FILE")
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NEW_VAL=""
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echo "Prüfe $TYPE: $REPO:$EXTRA..."
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if [ "$TYPE" == "DOCKER" ]; then
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if [[ "$REPO" != *"."* ]] || [[ "$REPO" == *"docker.io"* ]]; then
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CLEAN_REPO=${REPO#docker.io/}
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[[ "$CLEAN_REPO" != *"/"* ]] && CLEAN_REPO="library/$CLEAN_REPO"
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NEW_VAL=$(curl -s "https://hub.docker.com/v2/repositories/${CLEAN_REPO}/tags/${EXTRA}" | jq -r '.last_updated // empty')
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else
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REG_HOST=$(echo $REPO | cut -d/ -f1)
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IMG_NAME=$(echo $REPO | cut -d/ -f2-)
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TOKEN=$(curl -s "https://${REG_HOST}/v2/token?service=${REG_HOST}&scope=repository:${IMG_NAME}:pull" | jq -r '.token // empty')
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[[ -n "$TOKEN" && "$TOKEN" != "null" ]] && AUTH_H="Authorization: Bearer $TOKEN" || AUTH_H="X-No-Auth: true"
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RESPONSE=$(curl -s -i -L -H "$AUTH_H" -H "Accept: application/vnd.docker.distribution.manifest.v2+json" "https://${REG_HOST}/v2/${IMG_NAME}/manifests/${EXTRA}")
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NEW_VAL=$(echo "$RESPONSE" | grep -i "docker-content-digest" | awk '{print $2}' | tr -d '\r')
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[[ -z "$NEW_VAL" ]] && NEW_VAL=$(echo "$RESPONSE" | grep -i "etag" | awk '{print $2}' | tr -d '\r' | tr -d '"')
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fi
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elif [ "$TYPE" == "GITHUB" ]; then
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NEW_VAL=$(curl -s "https://api.github.com/repos/${REPO}/branches/${EXTRA}" | jq -r '.commit.sha // empty')
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fi
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if [ -z "$NEW_VAL" ] || [ "$NEW_VAL" == "null" ]; then
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echo " ⚠️ Fehler: Keine Daten empfangen."
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continue
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fi
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# Logik: Wenn kein alter Wert da ist ODER der neue Wert anders ist
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if [ -z "$OLD_VAL" ] || [ "$OLD_VAL" != "$NEW_VAL" ]; then
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if [ -z "$OLD_VAL" ]; then
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echo " 🆕 Erstaufnahme in Datenbank."
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else
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echo " 🔔 Update gefunden!"
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UPDATES_FOUND="${UPDATES_FOUND}Update fuer $REPO ($EXTRA)\n"
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fi
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# Wir generieren das neue JSON
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NEW_JSON_CONTENT=$(jq ".[\"$KEY\"] = \"$NEW_VAL\"" "$STATE_FILE" 2>&1)
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JQ_EXIT_CODE=$?
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if [ $JQ_EXIT_CODE -eq 0 ] && [ -n "$NEW_JSON_CONTENT" ]; then
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# Nur schreiben, wenn jq Erfolg hatte UND Inhalt da ist
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echo "$NEW_JSON_CONTENT" > "${STATE_FILE}.tmp" && mv "${STATE_FILE}.tmp" "$STATE_FILE"
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echo " 💾 gespeichert."
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else
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echo " ❌ FEHLER BEIM SPEICHERN!"
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echo " jq Exit Code: $JQ_EXIT_CODE"
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echo " jq Output: $NEW_JSON_CONTENT"
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# Notfall-Reset, falls die Datei korrupt ist, damit es beim nächsten Mal wieder geht
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if ! jq -e . "$STATE_FILE" >/dev/null 2>&1; then
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echo "{}" > "$STATE_FILE"
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fi
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fi
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else
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echo " ✅ Aktuell."
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fi
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done
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# E-Mail Versand
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if [ -n "$UPDATES_FOUND" ]; then
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echo " 📧 Versuche E-Mail zu senden an $EMAIL_TO..."
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if echo -e "Subject: Watchdog Alert\n\n$UPDATES_FOUND" | timeout 20s msmtp --debug "$EMAIL_TO" 2>&1; then
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echo " ✅ E-Mail erfolgreich versendet."
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else
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echo " ❌ FEHLER beim E-Mail Versand (siehe oben)."
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fi
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fi
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echo "Nächster Scan in $INTERVAL s."
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sleep "$INTERVAL"
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done |