Added update module

func_ruby/ext-modules/update_module.mod

@@ -0,0 +1,119 @@
+#!/opt/brepo/ruby33/bin/ruby
+
+require 'pathname'
+require 'fileutils'
+
+class UpdateWorker < Kernel::ModuleCoreWorker
+  MODULE_ID = "update_module"
+
+  def info
+    {
+      ID: 6,
+      NAME: MODULE_ID,
+      DESCR: "Module for updating HestiaCP data and templates",
+      REQ: "",
+      CONF: "yes",
+    }
+  end
+
+  def file_changed?(new_file, old_file)
+    require 'digest/sha256'
+    return true unless File.exist?(old_file)
+    new_hash = Digest::SHA256.file(new_file).hexdigest
+    old_hash = Digest::SHA256.file(old_file).hexdigest
+    new_hash != old_hash
+  end
+
+  def get_templates_map()
+    { :templates=>
+      [
+        {:new=>"/usr/local/hestia/install/rpm/templates/web/awstats", :old=>"/usr/local/hestia/data/templates/web/awstats"},
+        {:new=>"/usr/local/hestia/install/rpm/templates/web/httpd", :old=>"/usr/local/hestia/data/templates/web/httpd"},
+        {:new=>"/usr/local/hestia/install/rpm/templates/web/nginx", :old=>"/usr/local/hestia/data/templates/web/nginx"},
+        {:new=>"/usr/local/hestia/install/rpm/templates/web/php-fpm", :old=>"/usr/local/hestia/data/templates/web/php-fpm"}
+      ]
+    }
+  end
+
+  # New helper method to get list of changed template files
+  def get_changed_template_files
+    templates_map = get_templates_map()[:templates]
+    result = []
+    templates_map.each do |tpl|
+      new_dir = tpl[:new]
+      old_dir = tpl[:old]
+      Dir.glob(File.join(new_dir, '**', '*')).each do |new_file|
+        next if File.directory?(new_file)
+        rel_path = Pathname.new(new_file).relative_path_from(Pathname.new(new_dir)).to_s
+        old_file = File.join(old_dir, rel_path)
+        result << [new_dir, new_file, old_file] if file_changed?(new_file, old_file)
+      end
+    end
+    result
+  end
+
+  def command(args)
+    return log_return("Not enough arguments. Needed command") if args.length < 1
+    log_file = get_log
+
+    m_command = args[0].strip
+    case m_command
+    when "synctemplates"
+      result = get_changed_template_files
+      result.each do |new_dir, new_file, old_file|
+        if !File.exist?(old_file)
+          FileUtils.cp(new_file, old_file)
+        else
+          stat = File.stat(old_file)
+          uid = stat.uid
+          gid = stat.gid
+          mode = stat.mode & 0o7777
+          FileUtils.cp(new_file, old_file)
+          File.chown(uid, gid, old_file)
+          File.chmod(mode, old_file)
+        end
+      end
+      ACTION_OK
+    when "listsynctemplates"
+      format = (args[1].nil? ? "shell" : args[1].strip)
+      list = get_changed_template_files
+      result = []
+      result = list.map do |new_dir, new_file, old_file|
+        file_name = Pathname.new(new_file).relative_path_from(Pathname.new(new_dir)).to_s
+        {
+          "FILE_NAME" => file_name,
+          "NEW_SIZE" => File.size(new_file),
+          "OLD_SIZE" => File.exist?(old_file) ? File.size(old_file) : "-"
+        }
+      end
+
+      hestia_print_array_of_hashes(result, format, "FILE_NAME,NEW_SIZE,OLD_SIZE")
+      ACTION_OK
+    when "help"
+      puts "#{$0} update_module COMMAND [json|csv|plain]"
+      puts "COMMANDS:"
+      puts "  synctemplates - sync web templates"
+      puts "  listsynctemplates - show changed web templates"
+      puts "  help - help"
+      ACTION_OK
+    else
+      log_return("Unknown command. #{args}")
+    end
+  end
+
+  implements IPluginInterface
+end
+
+module UpdateModule
+  def get_object
+    Proc.new { UpdateWorker.new }
+  end
+
+  module_function :get_object
+end
+
+class Kernel::PluginConfiguration
+  include UpdateModule
+
+  @@loaded_plugins[UpdateWorker::MODULE_ID] = UpdateModule.get_object
+end