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tag: release-3.0.18
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executable file 212 lines (194 sloc) 6.44 kb
#!/usr/bin/env ruby
# Phusion Passenger - http://www.modrails.com/
# Copyright (c) 2010 Phusion
#
# "Phusion Passenger" is a trademark of Hongli Lai & Ninh Bui.
#
# 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.
source_root = File.expand_path(File.dirname(__FILE__) + "/..")
$LOAD_PATH.unshift("#{source_root}/lib")
require 'phusion_passenger'
require 'phusion_passenger/platform_info'
require 'phusion_passenger/admin_tools/server_instance'
require 'optparse'
include PhusionPassenger::AdminTools
# ANSI color codes
RESET = "\e[0m"
BOLD = "\e[1m"
YELLOW = "\e[33m"
BLACK_BG = "\e[40m"
BLUE_BG = "\e[44m"
def show_status(server_instance, options = {})
server_instance.connect(:passenger_status) do
case options[:show]
when 'pool'
begin
general_info = server_instance.status
rescue SystemCallError => e
STDERR.puts "*** ERROR: Cannot query status for Phusion Passenger instance #{server_instance.pid}:"
STDERR.puts e.to_s
exit 2
end
# Extract only the 'General information' section and colorize it.
general_info.sub!(/^(----)(.*)$/, YELLOW + BLUE_BG + BOLD + '\1\2' + RESET)
general_info.sub!(/^----.*/m, '')
general_info.strip!
puts general_info
puts
puts "#{YELLOW}#{BLUE_BG}#{BOLD}----------- Application groups -----------#{RESET}"
server_instance.groups.each do |group|
puts "#{group.name}:"
if group.name !~ %r{^/} || true
puts " App root: #{group.app_root}"
end
group.processes.each do |process|
printf " * PID: %-5d Sessions: %-2d Processed: %-5d Uptime: %s\n",
process.pid, process.sessions, process.processed,
process.uptime
if options[:verbose] && process.server_sockets[:http]
puts " URL : http://#{process.server_sockets[:http].address}"
puts " Password: #{process.connect_password}"
end
end
puts
end
when 'backtraces'
begin
text = server_instance.backtraces
rescue SystemCallError => e
STDERR.puts "*** ERROR: Cannot query status for Passenger instance #{control_process.pid}:"
STDERR.puts e.to_s
exit 2
end
# Colorize output
text.gsub!(/^(Thread .*:)$/, BLACK_BG + YELLOW + '\1' + RESET)
text.gsub!(/^( +in '.*? )(.*?)\(/, '\1' + BOLD + '\2' + RESET + '(')
puts text
when 'xml'
begin
xml = server_instance.xml
rescue SystemCallError => e
STDERR.puts "*** ERROR: Cannot query status for Passenger instance #{control_process.pid}:"
STDERR.puts e.to_s
exit 2
end
indented = format_with_xmllint(xml)
if indented
puts indented
else
puts xml
STDERR.puts "*** Tip: if you install the 'xmllint' command then the XML output will be indented."
end
end
end
rescue ServerInstance::RoleDeniedError
require 'phusion_passenger/platform_info/ruby'
STDERR.puts "*** ERROR: You are not authorized to query the status for this Phusion " <<
"Passenger instance. Please try again with '#{PhusionPassenger::PlatformInfo.ruby_sudo_command}'."
exit 2
end
def format_with_xmllint(xml)
return nil if !PhusionPassenger::PlatformInfo.find_command('xmllint')
require 'open3'
require 'thread'
ENV['XMLLINT_INDENT'] = ' '
Open3.popen3("xmllint", "--format", "-") do |stdin, stdout, stderr|
stdout_text = nil
stderr_text = nil
thread1 = Thread.new do
stdin.write(xml)
stdin.close
end
thread2 = Thread.new do
stdout_text = stdout.read
stdout.close
end
thread3 = Thread.new do
stderr_text = stderr.read
stderr.close
end
thread1.join
thread2.join
thread3.join
if stdout_text.nil? || stdout_text.empty?
if stderr_text !~ /No such file or directory/ && stderr_text !~ /command not found/
STDERR.puts stderr_text
end
return nil
else
return stdout_text
end
end
end
def start
options = { :show => 'pool' }
parser = OptionParser.new do |opts|
opts.banner = "Usage: passenger-status [options] [Phusion Passenger's PID]"
opts.separator ""
opts.separator "Tool for inspecting Phusion Passenger's internal status."
opts.separator ""
opts.separator "Options:"
opts.on("--show=pool|backtraces|xml", String,
"Whether to show the pool's contents, \n" <<
"#{' ' * 37}the backtraces of all threads or an XML\n" <<
"#{' ' * 37}description of the pool.") do |what|
if what !~ /\A(pool|backtraces|xml)\Z/
STDERR.puts "Invalid argument for --show."
exit 1
else
options[:show] = what
end
end
opts.on("--verbose", "-v", "Show verbose information.") do
options[:verbose] = true
end
end
begin
parser.parse!
rescue OptionParser::ParseError => e
puts e
puts
puts "Please see '--help' for valid options."
exit 1
end
if ARGV.empty?
server_instances = ServerInstance.list
if server_instances.empty?
STDERR.puts("ERROR: Phusion Passenger doesn't seem to be running.")
exit 2
elsif server_instances.size == 1
show_status(server_instances.first, options)
else
puts "It appears that multiple Passenger instances are running. Please select a"
puts "specific one by running:"
puts
puts " passenger-status <PID>"
puts
puts "The following Passenger instances are running:"
server_instances.each do |instance|
puts " PID: #{instance.pid}"
end
exit 1
end
else
server_instance = ServerInstance.for_pid(ARGV[0].to_i)
show_status(server_instance, options)
end
end
start
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