name : passenger-memory-stats #!/opt/cpanel/ea-ruby27/root/usr/bin/ruby # Phusion Passenger - https://www.phusionpassenger.com/ # Copyright (c) 2010-2017 Phusion Holding B.V. # # "Passenger", "Phusion Passenger" and "Union Station" are registered # trademarks of Phusion Holding B.V. # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. ENV["PASSENGER_LOCATION_CONFIGURATION_FILE"] = "/opt/cpanel/ea-ruby27/root/usr/share/passenger/phusion_passenger/locations.ini" begin require 'rubygems' rescue LoadError end require '/opt/cpanel/ea-ruby27/root/usr/share/passenger/phusion_passenger' PhusionPassenger.locate_directories PhusionPassenger.require_passenger_lib 'platform_info' PhusionPassenger.require_passenger_lib 'platform_info/ruby' PhusionPassenger.require_passenger_lib 'admin_tools/memory_stats' PhusionPassenger.require_passenger_lib 'utils/ansi_colors' require 'optparse' include PhusionPassenger # Container for tabular data. class Table def initialize(column_names, colors) @column_names = column_names @rows = [] @colors = colors end def add_row(values) @rows << values.to_a end def add_rows(list_of_rows) list_of_rows.each do |row| add_row(row) end end def remove_column(name) i = @column_names.index(name) @column_names.delete_at(i) @rows.each do |row| row.delete_at(i) end end def to_s(title = nil) max_column_widths = [1] * @column_names.size (@rows + [@column_names]).each do |row| row.each_with_index do |value, i| max_column_widths[i] = [value.to_s.size, max_column_widths[i]].max end end format_string = max_column_widths.map{ |i| "%#{-i}s" }.join(" ") header = sprintf(format_string, *@column_names).rstrip << "\n" if title free_space = header.size - title.size - 2 if free_space <= 0 left_bar_size = 3 right_bar_size = 3 else left_bar_size = free_space / 2 right_bar_size = free_space - left_bar_size end result = "#{@colors.blue_bg}#{@colors.bold}#{@colors.yellow}\n" result << "#{"-" * left_bar_size} #{title} #{"-" * right_bar_size}\n" if !@rows.empty? result << @colors.white result << header end else result = header.dup end if @rows.empty? result << @colors.reset else result << ("-" * header.size) << "#{@colors.reset}\n" @rows.each do |row| result << sprintf(format_string, *row).rstrip << "\n" end end result end end # Parses the specific commandline options. # # Modeled after `passenger-status` logic, with minor tweaks. # class CommandLineOptionsParser def parse options = {} parser = create_option_parser(options) begin parser.parse! options rescue OptionParser::ParseError => e STDERR.puts e STDERR.puts STDERR.puts "Please see '--help' for valid options." exit 1 end end private def create_option_parser(options) OptionParser.new do |opts| opts.banner = "Usage: #{File.basename(__FILE__)} [-h|--help] [--no-apache] [--no-nginx]" opts.separator "" opts.separator "Tool for inspecting the application server and Phusion Passenger's memory statistics." opts.separator "" opts.separator "Options:" opts.on("--no-apache", "Do not display the Apache statistics.") do options[:no_apache] = true end opts.on("--no-nginx", "Do not display the Nginx statistics.") do options[:no_nginx] = true end end end end class App def initialize @stats = AdminTools::MemoryStats.new @colors = Utils::AnsiColors.new end def start(options = {}) print_apache_stats = !options.fetch(:no_apache, false) print_nginx_stats = !options.fetch(:no_nginx, false) puts "Version: #{PhusionPassenger::VERSION_STRING}" puts "Date : #{Time.now}" if print_apache_stats if @stats.apache_processes print_process_list("Apache processes", @stats.apache_processes) else puts "#{@colors.blue_bg}#{@colors.bold}#{@colors.yellow}------------- Apache processes -------------#{@colors.reset}\n" STDERR.puts "*** WARNING: The Apache executable cannot be found." STDERR.puts "Please set the APXS2 environment variable to your 'apxs2' " << "executable's filename, or set the HTTPD environment variable " << "to your 'httpd' or 'apache2' executable's filename." end end if print_nginx_stats puts print_process_list("Nginx processes", @stats.nginx_processes) end puts print_process_list("Passenger processes", @stats.passenger_processes, :show_ppid => false) if @stats.platform_provides_private_dirty_rss_information? && Process.euid != 0 && @stats.root_privileges_required_for_private_dirty_rss? puts "*** WARNING: Please run this tool with #{@colors.bold}#{PlatformInfo.ruby_sudo_command}#{@colors.reset}. Otherwise the " << "private dirty RSS (a reliable metric for real memory usage) of processes cannot be determined." end end private def print_process_list(title, processes, options = {}) table = Table.new(%w{PID PPID VMSize Private Resident Name}, @colors) table.add_rows(processes) if options.has_key?(:show_ppid) && !options[:show_ppid] table.remove_column('PPID') end if @stats.platform_provides_private_dirty_rss_information? table.remove_column('Resident') else table.remove_column('Private') end puts table.to_s(title) if @stats.platform_provides_private_dirty_rss_information? total_private_dirty_rss = 0 some_private_dirty_rss_cannot_be_determined = false processes.each do |p| if p.private_dirty_rss.is_a?(Numeric) total_private_dirty_rss += p.private_dirty_rss else some_private_dirty_rss_cannot_be_determined = true end end puts "### Processes: #{processes.size}" printf "### Total private dirty RSS: %.2f MB", total_private_dirty_rss / 1024.0 if some_private_dirty_rss_cannot_be_determined puts " (?)" else puts end end end end options = CommandLineOptionsParser.new.parse App.new.start(options)