- Serverlabel/Tags (SERVER_NAME/SERVER_TAG) in Titel & ntfy-Tags

- State-Verzeichnis per Instanz (Host:Port:Topic)
- Optionales ENV_FILE zum Laden einer spezifischen .env

.env

@@ -0,0 +1,26 @@
+# Minecraft RCON
+export MC_HOST="mc.techniverse.net"
+export RCON_PORT="25575"
+export RCON_PASSWORD=""
+
+# Polling
+export POLL_SECONDS="10"
+export ANNOUNCE_SERVER_UPDOWN="true"
+
+# Anzeigename/Tag
+SERVER_NAME="[GER] Blockventure | ⌁25573"
+SERVER_TAG="blockventure-25573"
+
+# ntfy
+export NTFY_SERVER="https://ntfy.pushservice.techniverse.net"
+export NTFY_TOPIC="mc-events"
+export NTFY_TOKEN=""
+export NTFY_TITLE_PREFIX="🟩 Minecraft"
+export NTFY_TAGS_BASE="minecraft"
+export NTFY_MARKDOWN="false"
+
+# Optional: Prioritäten (1=hoch, 5=niedrig; ntfy: 5=lowest, 1=urgent)
+export NTFY_PRIORITY_JOIN="3"
+export NTFY_PRIORITY_LEAVE="3"
+export NTFY_PRIORITY_UP="4"
+export NTFY_PRIORITY_DOWN="5"

README.md

@@ -1,8 +1,4 @@
-# template_repository
+Readme kommt nachträglich..
-
-
-
-Wichtig: Link für Lizenz anpassen.
 
 
 
@@ -11,5 +7,5 @@ Wichtig: Link für Lizenz anpassen.
 </p>
 
 <p align="center">
-<img src="https://assets.techniverse.net/f1/logos/small/license.png" alt="License" width="15" height="15"> <a href="./template_repository/src/branch/main/LICENSE">License</a> | <img src="https://assets.techniverse.net/f1/logos/small/matrix2.svg" alt="Matrix" width="15" height="15"> <a href="https://matrix.to/#/#community:techniverse.net">Matrix</a> | <img src="https://assets.techniverse.net/f1/logos/small/mastodon2.svg" alt="Matrix" width="15" height="15"> <a href="https://social.techniverse.net/@donnerwolke">Mastodon</a>
+<img src="https://assets.techniverse.net/f1/logos/small/license.png" alt="License" width="15" height="15"> <a href="./minecraft-ntfy-notify/src/branch/main/LICENSE">License</a> | <img src="https://assets.techniverse.net/f1/logos/small/matrix2.svg" alt="Matrix" width="15" height="15"> <a href="https://matrix.to/#/#community:techniverse.net">Matrix</a> | <img src="https://assets.techniverse.net/f1/logos/small/mastodon2.svg" alt="Matrix" width="15" height="15"> <a href="https://social.techniverse.net/@donnerwolke">Mastodon</a>
 </p>

mc-ntfy-notify.v1.sh

@@ -0,0 +1,210 @@
+#!/usr/bin/env bash
+#!/bin/bash
+# Beschreibung: Minecraft → ntfy Notifier (Join/Leave + optional Up/Down) mit Cron-safe Locking
+# Autor:        Patrick Asmus
+# Web:          https://www.cleveradmin.de
+# Repository:   https://git.techniverse.net/scriptos/minecraft-ntfy-notify
+# Version:      1.4
+# Datum:        18.09.2025
+# Modifikation:
+#  - Serverlabel/Tags (SERVER_NAME/SERVER_TAG) in Titel & ntfy-Tags
+#  - State-Verzeichnis per Instanz (Host:Port:Topic)
+#  - Optionales ENV_FILE zum Laden einer spezifischen .env
+#####################################################
+set -euo pipefail
+export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+
+# --- .env laden: zuerst ENV_FILE (falls gesetzt), sonst ./.env ---
+if [[ -n "${ENV_FILE:-}" && -f "${ENV_FILE}" ]]; then
+  set -a; . "${ENV_FILE}"; set +a
+elif [[ -f "${SCRIPT_DIR}/.env" ]]; then
+  set -a; . "${SCRIPT_DIR}/.env"; set +a
+fi
+
+# ===== Konfiguration via ENV =====
+MC_HOST="${MC_HOST:-127.0.0.1}"
+RCON_PORT="${RCON_PORT:-25575}"
+RCON_PASSWORD="${RCON_PASSWORD:-changeme}"
+
+POLL_SECONDS="${POLL_SECONDS:-10}"
+ANNOUNCE_SERVER_UPDOWN="${ANNOUNCE_SERVER_UPDOWN:-true}"
+
+# ntfy
+NTFY_SERVER="${NTFY_SERVER:-}"
+NTFY_TOPIC="${NTFY_TOPIC:-}"
+NTFY_TOKEN="${NTFY_TOKEN:-}"
+NTFY_TITLE_PREFIX="${NTFY_TITLE_PREFIX:-Minecraft}"
+NTFY_TAGS_BASE="${NTFY_TAGS_BASE:-minecraft}"
+NTFY_PRIORITY_JOIN="${NTFY_PRIORITY_JOIN:-3}"
+NTFY_PRIORITY_LEAVE="${NTFY_PRIORITY_LEAVE:-3}"
+NTFY_PRIORITY_UP="${NTFY_PRIORITY_UP:-4}"
+NTFY_PRIORITY_DOWN="${NTFY_PRIORITY_DOWN:-5}"
+NTFY_MARKDOWN="${NTFY_MARKDOWN:-false}"
+
+# Server-Label/Tag
+SERVER_NAME="${SERVER_NAME:-}"  # z. B. "[GER] Blockventure | ⌁25573"
+SERVER_LABEL="${SERVER_NAME:-${MC_HOST}:${RCON_PORT}}"
+# Maschinenfreundlicher Tag, wenn nicht gesetzt: aus Name oder Host:Port ableiten
+SERVER_TAG="${SERVER_TAG:-$(printf '%s' "${SERVER_NAME:-${MC_HOST}-${RCON_PORT}}" \
+  | tr '[:upper:]' '[:lower:]' | sed -E 's/[^a-z0-9]+/-/g;s/^-+|-+$//g')}"
+
+# ==== Lock & State (pro Instanz eindeutig nach Host:Port:Topic) ====
+LOCK_KEY="$(printf '%s' "${MC_HOST}_${RCON_PORT}_${NTFY_TOPIC}" | tr -c 'A-Za-z0-9._-' '_')"
+# eigenes State-Verzeichnis je Instanz (damit mehrere Server parallel sauber laufen)
+STATE_DIR="${STATE_DIR:-${SCRIPT_DIR}/state.${LOCK_KEY}}"
+STATE_PLAYERS="${STATE_DIR}/players.prev"
+STATE_UP="${STATE_DIR}/server_up.prev"
+
+RUN_DIR="${RUN_DIR:-${STATE_DIR}}"
+LOCK_DIR="${RUN_DIR}/lock.${LOCK_KEY}"
+PID_FILE="${LOCK_DIR}/pid"
+RUN_MARK="${RUN_DIR}/running.${LOCK_KEY}"
+
+# Optional Debug
+DEBUG="${DEBUG:-false}"
+
+# ===== Helpers =====
+die() { echo "ERROR: $*" >&2; exit 1; }
+need_bin() { command -v "$1" >/dev/null 2>&1 || die "Benötigtes Tool fehlt: $1"; }
+dbg() { [[ "$DEBUG" == "true" ]] && echo "DBG: $*" >&2 || true; }
+
+cleanup() {
+  rm -f "$RUN_MARK" "$PID_FILE" 2>/dev/null || true
+  rmdir "$LOCK_DIR" 2>/dev/null || true
+}
+
+acquire_lock() {
+  mkdir -p "$RUN_DIR"
+  if mkdir "$LOCK_DIR" 2>/dev/null; then
+    echo "$$" > "$PID_FILE"
+    trap cleanup EXIT INT TERM
+  else
+    if [[ -f "$PID_FILE" ]]; then
+      oldpid="$(cat "$PID_FILE" 2>/dev/null || true)"
+      if [[ -n "${oldpid:-}" ]] && kill -0 "$oldpid" 2>/dev/null; then
+        dbg "Bereits laufend (PID $oldpid), beende."
+        exit 0
+      fi
+    fi
+    rm -rf "$LOCK_DIR" 2>/dev/null || true
+    mkdir "$LOCK_DIR" 2>/dev/null || die "Konnte Lock nicht übernehmen: ${LOCK_DIR}"
+    echo "$$" > "$PID_FILE"
+    trap cleanup EXIT INT TERM
+  fi
+}
+
+ntfy_notify() {
+  local title="$1" body="$2" tags="$3" priority="$4"
+  [[ -z "$NTFY_SERVER" || -z "$NTFY_TOPIC" ]] && { echo "ntfy Server/Topic fehlt – skip"; return 1; }
+  local url="${NTFY_SERVER%/}/${NTFY_TOPIC}"
+  local args=(-sS -X POST "$url" -H "Title: ${title}" -H "Priority: ${priority}" -H "Tags: ${tags}")
+  [[ "$NTFY_MARKDOWN" == "true" ]] && args+=(-H "Markdown: yes")
+  [[ -n "$NTFY_TOKEN" ]] && args+=(-H "Authorization: Bearer ${NTFY_TOKEN}")
+  curl "${args[@]}" --data-raw "$body" >/dev/null 2>&1 || return 1
+  return 0
+}
+
+ensure_state() {
+  mkdir -p "$STATE_DIR"
+  touch "$STATE_PLAYERS"
+  [[ -f "$STATE_UP" ]] || echo "unknown" >"$STATE_UP"
+}
+
+# Strippt ANSI-Escape-Sequenzen, MC-Farbcodes (§x), CR und Steuerzeichen
+sanitize() {
+  sed -E $'s/\x1B\\[[0-9;]*[A-Za-z]//g' \
+  | sed -E 's/§[0-9A-FK-ORa-fk-or]//g' \
+  | tr -d '\r' \
+  | sed -E 's/[\x00-\x1F\x7F]//g'
+}
+
+get_players() {
+  local out
+  if ! out=$(mcrcon -H "$MC_HOST" -P "$RCON_PORT" -p "$RCON_PASSWORD" "list" 2>/dev/null); then
+    return 1
+  fi
+  dbg "RAW: $out"
+  out="$(printf '%s' "$out" | sanitize)"
+  if ! grep -q "players online:" <<<"$out"; then
+    return 0
+  fi
+  local names="${out#*:}"
+  names="$(echo "$names" | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')"
+  if [[ -z "$names" ]]; then
+    return 0
+  fi
+  printf '%s\n' "$names" \
+    | tr ',' '\n' \
+    | sed 's/^[[:space:]]*//;s/[[:space:]]*$//' \
+    | sed '/^$/d' \
+    | LC_ALL=C sort -u
+  return 0
+}
+
+# ===== Checks & Lock =====
+need_bin curl
+need_bin mcrcon
+[[ -n "${NTFY_SERVER}" && -n "${NTFY_TOPIC}" ]] || die "NTFY_SERVER/NTFY_TOPIC nicht gesetzt"
+ensure_state
+acquire_lock
+
+echo "Starte Polling ${MC_HOST}:${RCON_PORT} → ntfy ${NTFY_SERVER}/${NTFY_TOPIC} (PID $$) [${SERVER_LABEL}]"
+prev_up="$(cat "$STATE_UP")"
+
+# ===== Main Loop =====
+while :; do
+  date -Iseconds > "$RUN_MARK"; echo "$$" >> "$RUN_MARK"
+
+  tmp_players="$(mktemp)"
+  if get_players >"$tmp_players"; then
+    server_up="true"
+  else
+    server_up="false"
+    : >"$tmp_players"
+  fi
+
+  if [[ "$ANNOUNCE_SERVER_UPDOWN" == "true" && "$prev_up" != "unknown" && "$server_up" != "$prev_up" ]]; then
+    if [[ "$server_up" == "true" ]]; then
+      ntfy_notify "${NTFY_TITLE_PREFIX}: Server up — ${SERVER_LABEL}" \
+                  "Server ist wieder erreichbar (${MC_HOST}:${RCON_PORT})." \
+                  "${NTFY_TAGS_BASE},${SERVER_TAG},up" "$NTFY_PRIORITY_UP" || true
+    else
+      ntfy_notify "${NTFY_TITLE_PREFIX}: Server down — ${SERVER_LABEL}" \
+                  "Server ist nicht erreichbar (${MC_HOST}:${RCON_PORT})." \
+                  "${NTFY_TAGS_BASE},${SERVER_TAG},down" "$NTFY_PRIORITY_DOWN" || true
+    fi
+  fi
+
+  if [[ "$server_up" == "true" ]]; then
+    LC_ALL=C sort -u "$STATE_PLAYERS" -o "$STATE_PLAYERS"
+    joined="$(comm -13 "$STATE_PLAYERS" "$tmp_players" || true)"
+    left="$(comm -23 "$STATE_PLAYERS" "$tmp_players" || true)"
+
+    if [[ -n "$joined" ]]; then
+      while IFS= read -r name; do
+        [[ -z "$name" ]] && continue
+        ntfy_notify "${NTFY_TITLE_PREFIX}: Join — ${SERVER_LABEL}" \
+                    "Player \"${name}\" ist beigetreten." \
+                    "${NTFY_TAGS_BASE},${SERVER_TAG},join" "$NTFY_PRIORITY_JOIN" || true
+      done <<<"$joined"
+    fi
+    if [[ -n "$left" ]]; then
+      while IFS= read -r name; do
+        [[ -z "$name" ]] && continue
+        ntfy_notify "${NTFY_TITLE_PREFIX}: Leave — ${SERVER_LABEL}" \
+                    "Player \"${name}\" hat den Server verlassen." \
+                    "${NTFY_TAGS_BASE},${SERVER_TAG},leave" "$NTFY_PRIORITY_LEAVE" || true
+      done <<<"$left"
+    fi
+
+    mv "$tmp_players" "$STATE_PLAYERS"
+  else
+    rm -f "$tmp_players"
+  fi
+
+  echo -n "$server_up" >"$STATE_UP"
+  prev_up="$server_up"
+  sleep "$POLL_SECONDS"
+done