Refactor NGS Pulsar role: remove obsolete files and add new task and handler definitions

ansible/roles/install_ngs-pulsar/templates/uninstall.sh.j2

@@ -0,0 +1,71 @@
+# roles/install_ngs-pulsar/templates/uninstall.sh.j2
+#!/bin/bash
+
+# Enginsight Pulsar Deinstallations-Skript
+
+echo "Stoppe Enginsight Pulsar Service..."
+
+# Init-System erkennen und Service stoppen
+if command -v systemctl >/dev/null 2>&1; then
+    # SystemD
+    echo "SystemD erkannt - stoppe und deaktiviere Service..."
+    
+    # Erst clear-shield ausführen, solange die Binary noch existiert
+    if [ -x "{{ pulsar_install_path }}/{{ pulsar_binary_name }}" ]; then
+        echo "Führe clear-shield aus..."
+        {{ pulsar_install_path }}/{{ pulsar_binary_name }} -clear-shield 2>/dev/null || true
+    fi
+    
+    systemctl stop enginsight-pulsar 2>/dev/null || true
+    systemctl disable enginsight-pulsar 2>/dev/null || true
+    rm -f /etc/systemd/system/enginsight-pulsar.service
+    systemctl daemon-reload
+    systemctl reset-failed enginsight-pulsar 2>/dev/null || true
+    
+elif command -v rc-service >/dev/null 2>&1; then
+    # OpenRC
+    echo "OpenRC erkannt - stoppe und deaktiviere Service..."
+    
+    # Erst clear-shield ausführen, solange die Binary noch existiert
+    if [ -x "{{ pulsar_install_path }}/{{ pulsar_binary_name }}" ]; then
+        echo "Führe clear-shield aus..."
+        {{ pulsar_install_path }}/{{ pulsar_binary_name }} -clear-shield 2>/dev/null || true
+    fi
+    
+    rc-service enginsight-pulsar stop 2>/dev/null || true
+    rc-update del enginsight-pulsar 2>/dev/null || true
+    rm -f /etc/init.d/enginsight-pulsar
+    
+elif command -v service >/dev/null 2>&1; then
+    # SysV Init oder andere
+    echo "Legacy Init-System erkannt - stoppe Service..."
+    
+    # Erst clear-shield ausführen, solange die Binary noch existiert
+    if [ -x "{{ pulsar_install_path }}/{{ pulsar_binary_name }}" ]; then
+        echo "Führe clear-shield aus..."
+        {{ pulsar_install_path }}/{{ pulsar_binary_name }} -clear-shield 2>/dev/null || true
+    fi
+    
+    service enginsight-pulsar stop 2>/dev/null || true
+    update-rc.d -f enginsight-pulsar remove 2>/dev/null || true
+    chkconfig enginsight-pulsar off 2>/dev/null || true
+    rm -f /etc/init.d/enginsight-pulsar
+else
+    echo "Warnung: Konnte Init-System nicht erkennen. Manuelles Stoppen des Services erforderlich."
+    # Trotzdem clear-shield versuchen
+    if [ -x "{{ pulsar_install_path }}/{{ pulsar_binary_name }}" ]; then
+        echo "Führe clear-shield aus..."
+        {{ pulsar_install_path }}/{{ pulsar_binary_name }} -clear-shield 2>/dev/null || true
+    fi
+fi
+
+echo "Lösche Installationsverzeichnis..."
+rm -rf "{{ pulsar_install_path }}"
+
+echo "Lösche übergeordnetes Enginsight-Verzeichnis falls leer..."
+rmdir /opt/enginsight 2>/dev/null || true
+
+echo "Lösche Log-Verzeichnis..."
+rm -rf /var/log/enginsight
+
+echo "Enginsight Pulsar wurde erfolgreich deinstalliert."