Current File : //opt/cpanel/ea-ruby27/root/usr/share/passenger/phusion_passenger/admin_tools/instance_registry.rb
# encoding: utf-8
# Phusion Passenger - https://www.phusionpassenger.com/
# Copyright (c) 2014-2017 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.
require 'fileutils'
PhusionPassenger.require_passenger_lib 'admin_tools/instance'
module PhusionPassenger
module AdminTools
class InstanceRegistry
def initialize(paths = nil)
@paths = [paths || default_paths].flatten.uniq
end
def list(options = {})
options = {
:clean_stale_or_corrupted => true
}.merge(options)
instances = []
@paths.each do |path|
Dir["#{path}/passenger.*"].each do |dir|
instance = Instance.new(dir)
case instance.state
when :good
if instance.locked?
instances << instance
elsif options[:clean_stale_or_corrupted]
cleanup(dir)
end
when :structure_version_unsupported
next
when :corrupted
if !instance.locked? && options[:clean_stale_or_corrupted]
cleanup(dir)
end
when :not_finalized
if instance.stale? && options[:clean_stale_or_corrupted]
cleanup(dir)
end
end
end
end
instances
end
def find_by_name(name, options = {})
return list(options).find { |instance| instance.name == name }
end
def find_by_name_prefix(name, options = {})
prefix = /^#{Regexp.escape name}/
results = list(options).find_all { |instance| instance.name =~ prefix }
if results.size <= 1
return results.first
else
return :ambiguous
end
end
# :watchdog_pid: expected Integer.
#
# return: the matching instance, if found; nil otherwise.
#
def find_by_watchdog_pid(pid, options = {})
return list(options).detect { |instance| instance.watchdog_pid == pid }
end
private
def default_paths
if result = string_env("PASSENGER_INSTANCE_REGISTRY_DIR")
return [result]
end
# On OSX, TMPDIR is set to a different value per-user. But Apache
# is launched through Launchctl and runs without TMPDIR (and thus
# uses the default /tmp).
#
# The RPM packages configure Apache and Nginx to use /var/run/passenger-instreg
# as the instance registry dir. See https://github.com/phusion/passenger/issues/1475
#
# systemd's PrivateTmp feature works like an inverted OSX, apache gets its own
# TMPDIR and users use /tmp, however the path is often too long because socket paths can
# only be up to 108 characters long.
[string_env("TMPDIR"), "/tmp", "/var/run/passenger-instreg", "/opt/cpanel/ea-ruby27/root/usr/var/run/passenger-instreg", *Dir['/tmp/systemd-private-*-{httpd,nginx,apache2}.service-*/tmp']].compact
end
def string_env(name)
if (result = ENV[name]) && !result.empty?
result
else
nil
end
end
def cleanup(path)
puts "*** Cleaning stale instance directory #{path}"
begin
FileUtils.chmod_R(0700, path) rescue nil
FileUtils.remove_entry_secure(path)
rescue SystemCallError => e
puts " Warning: #{e}"
end
end
end
end # module AdminTools
end # module PhusionPassenger
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