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# frozen_string_literal: true
require 'spec_helper'
require 'fileutils'
require 'excon'
describe 'Puma' do
before(:all) do
project_root = Rails.root.to_s
config_lines = File.read(Rails.root.join('config/puma.example.development.rb'))
.gsub('config.ru', File.join(__dir__, 'configs/config.ru'))
.gsub('workers 2', 'workers 1')
.gsub('/home/git/gitlab.socket', File.join(project_root, 'tmp/tests/puma.socket'))
.gsub('on_worker_boot do', "on_worker_boot do\nFile.write('#{File.join(project_root, 'tmp/tests/puma-worker-ready')}', Process.pid)")
.gsub(%r{/home/git(/gitlab)?}, project_root)
config_path = File.join(project_root, 'tmp/tests/puma.rb')
@socket_path = File.join(project_root, 'tmp/tests/puma.socket')
File.write(config_path, config_lines)
cmd = %W[puma -e test -C #{config_path} #{File.join(__dir__, 'configs/config.ru')}]
@puma_master_pid = spawn(*cmd)
wait_puma_boot!(@puma_master_pid, File.join(project_root, 'tmp/tests/puma-worker-ready'))
WebMock.allow_net_connect!
end
%w[SIGQUIT SIGTERM SIGKILL].each do |signal|
it "has a worker that self-terminates on signal #{signal}" do
response = Excon.get('unix://', socket: @socket_path)
expect(response.status).to eq(200)
worker_pid = response.body.to_i
expect(worker_pid).to be > 0
begin
Excon.post("unix://?#{signal}", socket: @socket_path)
rescue Excon::Error::Socket
# The connection may be closed abruptly
end
expect(pid_gone?(worker_pid)).to eq(true)
end
end
after(:all) do
WebMock.disable_net_connect!(allow_localhost: true)
Process.kill('TERM', @puma_master_pid)
rescue Errno::ESRCH
end
def wait_puma_boot!(master_pid, ready_file)
# We have seen the boot timeout after 2 minutes in CI so let's set it to 5 minutes.
timeout = 5 * 60
timeout.times do
return if File.exist?(ready_file)
pid = Process.waitpid(master_pid, Process::WNOHANG)
raise "puma failed to boot: #{$?}" unless pid.nil?
sleep 1
end
raise "puma boot timed out after #{timeout} seconds"
end
def pid_gone?(pid)
# Worker termination should take less than a second. That makes 10
# seconds a generous timeout.
10.times do
begin
Process.kill(0, pid)
rescue Errno::ESRCH
return true
end
sleep 1
end
false
end
end
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