improve log system

debian/upgrade_debian.sh

@@ -13,10 +13,35 @@ GREEN='\033[0;32m'
 YELLOW='\033[1;33m'
 BLUE='\033[1;34m'
 NC='\033[0m' # No Color
+MAX_LOG_SIZE_KB=1024  # 1MB
 
-# Function to log messages
+# Função de Log (modificada para usar logger)
 log() {
-    echo -e "$(date '+%Y-%m-%d %H:%M:%S') - $1" | tee -a "$LOG_FILE"
+    local message="$1"
+    local timestamp=$(date '+%Y-%m-%d %H:%M:%S')
+
+    # Escreve no ficheiro de log
+    echo "$timestamp: $message" | tee -a "$LOG_FILE"
+
+    # Envia para o syslog (opcional)
+    logger -t "debian_upgrade" "$message"
+}
+
+# Função para limitar o tamanho do log
+limit_log_size() {
+    local log_file="$1"
+    local max_size_kb="$2"
+    local max_size_bytes=$((max_size_kb * 1024))
+
+    if [ -f "$log_file" ]; then
+        local current_size=$(stat -c %s "$log_file" 2>/dev/null || wc -c < "$log_file" 2>/dev/null)
+
+        if [ "$current_size" -gt "$max_size_bytes" ]; then
+            log "Aviso: Ficheiro de log $log_file excedeu $max_size_kb KB. A truncar..."
+            tail -n 500 "$log_file" > "${log_file}.tmp" && mv "${log_file}.tmp" "$log_file"
+            log "Ficheiro de log truncado. As últimas 500 linhas foram mantidas."
+        fi
+    fi
 }
 
 # Function to ask for confirmation
@@ -190,6 +215,10 @@ main() {
         exit 1
     fi
 
+    mkdir -p "$(dirname "$LOG_FILE")"
+    limit_log_size "$LOG_FILE" "$MAX_LOG_SIZE_KB"  # Verifica o tamanho do log no início
+
+
     # Check if this is a Debian system
     if [ ! -f /etc/debian_version ]; then
         log "${RED}This script is only for Debian-based systems.${NC}"