fix(cluster): ensure AstDB transactional sync, auto-healing, and Gratuitous ARP on master take-over

scripts/nexus-cluster

@@ -15,9 +15,9 @@ case "$CMD" in
             echo "net.ipv4.ip_nonlocal_bind=1" > /etc/sysctl.d/99-nexus-ha.conf 2>/dev/null || true
         fi
 
-        # 2. Vérification et installation éventuelle de Keepalived
-        if ! command -v keepalived >/dev/null 2>&1; then
-            apt-get update -qq && apt-get install -y -qq keepalived >/dev/null 2>&1 || true
+        # 2. Vérification et installation éventuelle de Keepalived et arping
+        if ! command -v keepalived >/dev/null 2>&1 || ! command -v arping >/dev/null 2>&1; then
+            apt-get update -qq && apt-get install -y -qq keepalived iputils-arping >/dev/null 2>&1 || true
         fi
 
         # 3. Création et sécurisation stricte du dossier des scripts Keepalived (exigences strictes Keepalived 2.x)
@@ -64,6 +64,60 @@ case "$CMD" in
         fi
         ;;
 
+    restore-astdb)
+        SRC="${2:-/tmp/astdb_cluster_sync.sqlite3}"
+        DEST="/var/lib/asterisk/astdb.sqlite3"
+        if [ ! -f "$SRC" ] || [ ! -s "$SRC" ]; then
+            echo "ASTDB_RESTORE_NO_FILE"
+            exit 0
+        fi
+
+        # Vérification intégrité de la source
+        SRC_INTEGRITY=$(sqlite3 "$SRC" "PRAGMA integrity_check;" 2>/dev/null || echo "corrupt")
+        if [ "$SRC_INTEGRITY" != "ok" ]; then
+            echo "ASTDB_SOURCE_CORRUPT: $SRC_INTEGRITY"
+            rm -f "$SRC"
+            exit 1
+        fi
+
+        # Fusion ou remplacement propre
+        if [ -f "$DEST" ]; then
+            DEST_INTEGRITY=$(sqlite3 "$DEST" "PRAGMA integrity_check;" 2>/dev/null || echo "corrupt")
+            if [ "$DEST_INTEGRITY" = "ok" ]; then
+                # Fusion SQLite transactionnelle sans fermer les descripteurs d'Asterisk
+                sqlite3 "$DEST" "ATTACH '$SRC' AS src; INSERT OR REPLACE INTO astdb SELECT * FROM src.astdb; DETACH src;" 2>/dev/null || cp -f "$SRC" "$DEST"
+            else
+                cp -f "$SRC" "$DEST"
+            fi
+        else
+            cp -f "$SRC" "$DEST"
+        fi
+
+        chown asterisk:asterisk "$DEST" 2>/dev/null || true
+        chmod 664 "$DEST" 2>/dev/null || true
+        rm -f "$SRC"
+        echo "ASTDB_RESTORED_OK"
+        ;;
+
+    fix-astdb)
+        DEST="/var/lib/asterisk/astdb.sqlite3"
+        if [ -f "$DEST" ]; then
+            INTEGRITY=$(sqlite3 "$DEST" "PRAGMA integrity_check;" 2>/dev/null || echo "corrupt")
+            if [ "$INTEGRITY" != "ok" ]; then
+                mv -f "$DEST" "${DEST}.corrupt.$(date +%s)" 2>/dev/null || true
+                sqlite3 "$DEST" "CREATE TABLE astdb(key TEXT, value TEXT, PRIMARY KEY(key));" 2>/dev/null || true
+                chown asterisk:asterisk "$DEST" 2>/dev/null || true
+                chmod 664 "$DEST" 2>/dev/null || true
+                if pidof asterisk >/dev/null 2>&1; then
+                    /usr/sbin/asterisk -rx "pjsip reload" 2>/dev/null || true
+                fi
+                echo "ASTDB_FIXED"
+                exit 0
+            fi
+        fi
+        echo "ASTDB_OK"
+        ;;
+
     check)
         if pidof asterisk >/dev/null 2>&1 && /usr/sbin/asterisk -rx "core show uptime" 2>/dev/null | grep -qi "uptime"; then
             echo "HEALTHY"