Good : full update

modules/package_management.sh

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+#!/bin/bash
+# =============================================================================
+# Package management module
+# =============================================================================
+
+# Set script directory
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+# Source common functions and variables
+source "./common.sh"
+
+# Function to configure APT with proxy settings if needed
+configure_apt_proxy() {
+  local proxy_file="/etc/apt/apt.conf.d/90proxy"
+  local proxy_doc="/root/apt-proxy-documentation.txt"
+
+  log_message "INFO" "Creating APT proxy documentation at $proxy_doc"
+
+  cat > "$proxy_doc" << EOF
+# APT Proxy Configuration
+# To configure APT to use a proxy, edit the file /etc/apt/apt.conf.d/90proxy
+# and add one of the following configurations:
+
+# HTTP proxy
+Acquire::http::Proxy "http://username:password@proxy.example.com:8080/";
+
+# HTTPS proxy
+Acquire::https::Proxy "http://username:password@proxy.example.com:8080/";
+
+# For APT to use the system's proxy settings
+Acquire::http::Proxy "http://${http_proxy}";
+Acquire::https::Proxy "http://${https_proxy}";
+
+# To disable proxy for specific hosts
+Acquire::http::Proxy::hostname.example.com "DIRECT";
+EOF
+
+  log_message "SUCCESS" "APT proxy documentation created. Edit $proxy_file to configure proxies if needed"
+}
+
+# Function to update package lists and upgrade installed packages
+update_upgrade_packages() {
+  log_message "INFO" "Updating package lists"
+  apt-get update
+
+  if [ $? -eq 0 ]; then
+    log_message "SUCCESS" "Package lists updated successfully"
+  else
+    log_message "ERROR" "Failed to update package lists"
+    return 1
+  fi
+
+  log_message "INFO" "Upgrading installed packages"
+  apt-get full-upgrade -y
+
+  if [ $? -eq 0 ]; then
+    log_message "SUCCESS" "Packages upgraded successfully"
+  else
+    log_message "ERROR" "Failed to upgrade packages"
+    return 1
+  fi
+}
+
+# Function to install essential security packages
+install_essential_packages() {
+  local packages=(
+    "apt-transport-https"
+    "ca-certificates"
+    "gnupg"
+    "software-properties-common"
+    "curl"
+    "wget"
+    "ufw"
+    "unattended-upgrades"
+    "apt-listchanges"
+  )
+
+  log_message "INFO" "Installing essential security packages"
+
+  for package in "${packages[@]}"; do
+    if ! is_package_installed "$package"; then
+      log_message "INFO" "Installing $package"
+      apt-get install -y "$package"
+
+      if [ $? -eq 0 ]; then
+        log_message "SUCCESS" "Installed $package successfully"
+      else
+        log_message "ERROR" "Failed to install $package"
+      fi
+    else
+      log_message "INFO" "$package is already installed"
+    fi
+  done
+}
+
+# Create a new package installation module
+cat > "$SCRIPT_DIR/install_packages.sh" << 'EOF'
+#!/bin/bash
+# =============================================================================
+# New package installation module
+# =============================================================================
+
+# Set script directory
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+# Source common functions and variables
+source "./common.sh"
+
+# Function to install new packages safely
+install_new_packages() {
+  if [ $# -eq 0 ]; then
+    log_message "ERROR" "No packages specified for installation"
+    return 1
+  fi
+
+  log_message "INFO" "Installing new packages: $*"
+
+  # Update package lists first
+  apt-get update
+
+  if [ $? -ne 0 ]; then
+    log_message "ERROR" "Failed to update package lists"
+    return 1
+  fi
+
+  # Install the specified packages
+  apt-get install -y "$@"
+
+  if [ $? -eq 0 ]; then
+    log_message "SUCCESS" "Installed packages successfully: $*"
+    return 0
+  else
+    log_message "ERROR" "Failed to install packages: $*"
+    return 1
+  fi
+}
+
+# Usage example:
+# source "$SCRIPT_DIR/install_packages.sh"
+# install_new_packages package1 package2 package3
+EOF
+
+chmod +x "$SCRIPT_DIR/install_packages.sh"
+
+log_message "INFO" "Created new package installation module at $SCRIPT_DIR/install_packages.sh"
+
+# Main execution for package management
+configure_apt_proxy
+update_upgrade_packages
+install_essential_packages
+
+log_message "SUCCESS" "Package management configuration completed"