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#!/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)