119 lines
4.5 KiB
Ruby
119 lines
4.5 KiB
Ruby
# Phusion Passenger - https://www.phusionpassenger.com/
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# Copyright (c) 2014-2025 Asynchronous B.V.
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#
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# "Passenger", "Phusion Passenger" and "Union Station" are registered
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# trademarks of Asynchronous B.V.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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require 'optparse'
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require 'net/http'
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require 'socket'
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PhusionPassenger.require_passenger_lib 'constants'
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PhusionPassenger.require_passenger_lib 'admin_tools/instance_registry'
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PhusionPassenger.require_passenger_lib 'config/command'
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PhusionPassenger.require_passenger_lib 'config/utils'
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PhusionPassenger.require_passenger_lib 'utils/json'
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module PhusionPassenger
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module Config
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class DetachProcessCommand < Command
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include PhusionPassenger::Config::Utils
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def run
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parse_options
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select_passenger_instance
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perform_detach
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end
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private
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def self.create_option_parser(options)
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OptionParser.new do |opts|
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nl = "\n" + ' ' * 37
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opts.banner = "Usage: passenger-config detach-process [OPTIONS] <PID>\n"
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opts.separator ""
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opts.separator " Remove an application process from the #{PROGRAM_NAME} process pool, and"
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opts.separator " shut it down. Has a similar effect to killing the application process"
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opts.separator " directly with `kill <PID>`. But `kill` aborts any active requests, while"
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opts.separator " this command shuts down the process after active requests are finished."
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opts.separator ""
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opts.separator " If you want to force abort a process and its active requests, just use `kill`."
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opts.separator ""
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opts.separator "Options:"
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opts.on("--instance NAME", String, "The #{PROGRAM_NAME} instance to select") do |value|
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options[:instance] = value
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end
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opts.on("--ignore-nonexistant-pid", "Exit successfully even if the specified#{nl}" +
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"PID is not in the process pool.") do
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options[:ignore_nonexistant_pid] = true
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end
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opts.on("-h", "--help", "Show this help") do
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options[:help] = true
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end
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end
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end
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def help
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puts @parser
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end
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def parse_options
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super
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if @argv.empty?
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abort "Please pass a PID. " +
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"See --help for more information."
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elsif @argv.size == 1
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@pid = @argv[0].to_i
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elsif @argv.size > 1
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help
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abort
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end
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end
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def perform_detach
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request = Net::HTTP::Post.new("/pool/detach_process.json")
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try_performing_full_admin_basic_auth(request, @instance)
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request.content_type = "application/json"
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request.body = PhusionPassenger::Utils::JSON.generate(:pid => @pid)
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response = @instance.http_request("agents.s/core_api", request)
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if response.code.to_i / 100 == 2
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body = PhusionPassenger::Utils::JSON.parse(response.body)
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if body['detached']
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puts "Process #{@pid} detached."
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elsif @options[:ignore_nonexistant_pid]
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puts "Could not detach process #{@pid}."
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else
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abort "Could not detach process #{@pid}."
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end
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elsif response.code.to_i == 401
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print_full_admin_command_permission_error
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abort
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else
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STDERR.puts "*** An error occured while communicating with the #{PROGRAM_NAME} server:"
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STDERR.puts response.body
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abort
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end
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end
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end
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end # module Config
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end # module PhusionPassenger
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