commit rubygem-puma_worker_killer for openSUSE:Factory
Hello community, here is the log from the commit of package rubygem-puma_worker_killer for openSUSE:Factory checked in at 2016-11-07 12:23:15 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Comparing /work/SRC/openSUSE:Factory/rubygem-puma_worker_killer (Old) and /work/SRC/openSUSE:Factory/.rubygem-puma_worker_killer.new (New) ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Package is "rubygem-puma_worker_killer" Changes: -------- --- /work/SRC/openSUSE:Factory/rubygem-puma_worker_killer/rubygem-puma_worker_killer.changes 2016-09-30 15:28:08.000000000 +0200 +++ /work/SRC/openSUSE:Factory/.rubygem-puma_worker_killer.new/rubygem-puma_worker_killer.changes 2016-11-07 12:23:16.000000000 +0100 @@ -1,0 +2,10 @@ +Fri Oct 14 04:35:10 UTC 2016 - coolo@suse.com + +- updated to version 0.0.7 + see installed CHANGELOG.md + + ## 0.0.7 + + - Logging is configurable #41 + +------------------------------------------------------------------- Old: ---- puma_worker_killer-0.0.6.gem New: ---- puma_worker_killer-0.0.7.gem ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Other differences: ------------------ ++++++ rubygem-puma_worker_killer.spec ++++++ --- /var/tmp/diff_new_pack.3WpkrT/_old 2016-11-07 12:23:17.000000000 +0100 +++ /var/tmp/diff_new_pack.3WpkrT/_new 2016-11-07 12:23:17.000000000 +0100 @@ -24,7 +24,7 @@ # Name: rubygem-puma_worker_killer -Version: 0.0.6 +Version: 0.0.7 Release: 0 %define mod_name puma_worker_killer %define mod_full_name %{mod_name}-%{version} ++++++ puma_worker_killer-0.0.6.gem -> puma_worker_killer-0.0.7.gem ++++++ diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' '--exclude=.svnignore' old/.travis.yml new/.travis.yml --- old/.travis.yml 2016-04-01 23:20:07.000000000 +0200 +++ new/.travis.yml 2016-10-13 16:56:01.000000000 +0200 @@ -7,6 +7,8 @@ - 2.3.0 - ruby-head - rbx +before_install: + - gem install bundler -v 1.12.5 matrix: allow_failures: diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' '--exclude=.svnignore' old/CHANGELOG.md new/CHANGELOG.md --- old/CHANGELOG.md 2016-04-01 23:20:07.000000000 +0200 +++ new/CHANGELOG.md 2016-10-13 16:56:01.000000000 +0200 @@ -1,3 +1,7 @@ +## 0.0.7 + +- Logging is configurable #41 + ## 0.0.6 - Log PID of worker insead of inspecting the worker #33 diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' '--exclude=.svnignore' old/README.md new/README.md --- old/README.md 2016-04-01 23:20:07.000000000 +0200 +++ new/README.md 2016-10-13 16:56:01.000000000 +0200 @@ -29,15 +29,68 @@ --> -Somewhere in your main process run this code: +## Turn on Rolling Restarts + +A rolling restart will kill each of your workers on a rolling basis. You set the frequency which it conducts the restart. This is a simple way to keep memory down as Ruby web programs generally increase memory usage over time. If you're using Heroku [it is difficult to measure RAM from inside of a container accurately](https://github.com/schneems/get_process_mem/issues/7), so it is recommended to use this feature or use a [log-drain-based worker killer](https://github.com/arches/whacamole). You can enable roling restarts by running: ```ruby -# config/initializers/puma_worker_killer.rb -PumaWorkerKiller.start +before_fork do + require 'puma_worker_killer' + + PumaWorkerKiller.enable_rolling_restart # Default is every 6 hours +end + +``` + +or you can pass in the restart frequency: + +```ruby +PumaWorkerKiller.enable_rolling_restart(12 * 3600) # 12 hours in seconds +``` + +Make sure if you do this to not accidentally call `PumaWorkerKiller.start` as well. + +## Enable Worker Killing + +If you're not running on a containerized platform you can try to detect the amount of memory you're using and only kill Puma workers when you're over that limit. It may allow you to go for longer periods of time without killing a worker however it is more error prone than rolling restarts. To enable measurement based worker killing put this in your `config/puma.rb`: + +```ruby +# config/puma.rb + +before_fork do + require 'puma_worker_killer' + + PumaWorkerKiller.start +end ``` That's it. Now on a regular basis the size of all Puma and all of it's forked processes will be evaluated and if they're over the RAM threshold will be killed. Don't worry Puma will notice a process is missing a spawn a fresh copy with a much smaller RAM footprint ASAP. +## Troubleshooting + +When you boot your program locally you should see debug output: + +``` +[77773] Puma starting in cluster mode... +[77773] * Version 3.1.0 (ruby 2.3.1-p112), codename: El Niño Winter Wonderland +[77773] * Min threads: 0, max threads: 16 +[77773] * Environment: development +[77773] * Process workers: 2 +[77773] * Phased restart available +[77773] * Listening on tcp://0.0.0.0:9292 +[77773] Use Ctrl-C to stop +[77773] PumaWorkerKiller: Consuming 54.34765625 mb with master and 2 workers. +``` + +If you don't see any `PumaWorkerKiller` output, make sure that you are running with multiple workers. PWK only functions if you have workers enabled, you should see something like this when Puma boots: + +``` +[77773] * Process workers: 2 +``` + +If you've configured PWK's frequency try reducing it to a very low value + + ## Configure Before calling `start` you can configure `PumaWorkerKiller`. You can do so using a configure block or calling methods directly: @@ -48,13 +101,17 @@ config.frequency = 5 # seconds config.percent_usage = 0.98 config.rolling_restart_frequency = 12 * 3600 # 12 hours in seconds + config.reaper_status_logs = true # setting this to false will not log lines like: + # PumaWorkerKiller: Consuming 54.34765625 mb with master and 2 workers. end PumaWorkerKiller.start ``` ## Attention -If you start puma as a daemon, to add puma worker killer config into puma config file, rather than into initializers: -Sample like this: (in puma.rb file) + +If you start puma as a daemon, to add puma worker killer config into puma config file, rather than into initializers: +Sample like this: (in `config/puma.rb` file): + ```ruby before_fork do PumaWorkerKiller.config do |config| @@ -93,27 +150,18 @@ By default PumaWorkerKiller will perform a rolling restart of all your worker processes every 12 hours. To disable, set to `false`. -## Only turn on Rolling Restarts - -If you're running on a platform like [Heroku where it is difficult to measure RAM from inside of a container accurately](https://github.com/schneems/get_process_mem/issues/7), you may want to disable the "worker killer" functionality and only use the rolling restart. You can do that by running: +You may want to hide the following log lines: `PumaWorkerKiller: Consuming 54.34765625 mb with master and 2 workers.`. To do that set: ```ruby -PumaWorkerKiller.enable_rolling_restart # Default is every 6 hours +PumaWorkerKiller.reaper_status_logs = false ``` -or you can pass in the restart frequency - -```ruby -PumaWorkerKiller.enable_rolling_restart(12 * 3600) # 12 hours in seconds -``` - -Make sure if you do this to not accidentally call `PumaWorkerKiller.start` as well. +Note: It is `true` by default. ## License MIT - ## Feedback Open up an issue or ping me on twitter [@schneems](http://twitter.com/schneems). Files old/checksums.yaml.gz and new/checksums.yaml.gz differ diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' '--exclude=.svnignore' old/lib/puma_worker_killer/auto_reap.rb new/lib/puma_worker_killer/auto_reap.rb --- old/lib/puma_worker_killer/auto_reap.rb 2016-04-01 23:20:07.000000000 +0200 +++ new/lib/puma_worker_killer/auto_reap.rb 2016-10-13 16:56:01.000000000 +0200 @@ -11,8 +11,8 @@ Thread.new do while @running - @reaper.reap sleep @timeout + @reaper.reap end end end diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' '--exclude=.svnignore' old/lib/puma_worker_killer/puma_memory.rb new/lib/puma_worker_killer/puma_memory.rb --- old/lib/puma_worker_killer/puma_memory.rb 2016-04-01 23:20:07.000000000 +0200 +++ new/lib/puma_worker_killer/puma_memory.rb 2016-10-13 16:56:01.000000000 +0200 @@ -18,6 +18,10 @@ # rescue Errno::ECHILD end + def workers_stopped? + !running? + end + def running? @master && workers.any? end diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' '--exclude=.svnignore' old/lib/puma_worker_killer/reaper.rb new/lib/puma_worker_killer/reaper.rb --- old/lib/puma_worker_killer/reaper.rb 2016-04-01 23:20:07.000000000 +0200 +++ new/lib/puma_worker_killer/reaper.rb 2016-10-13 16:56:01.000000000 +0200 @@ -1,8 +1,9 @@ module PumaWorkerKiller class Reaper - def initialize(max_ram, master = nil) + def initialize(max_ram, master = nil, reaper_status_logs = true) @cluster = PumaWorkerKiller::PumaMemory.new(master) @max_ram = max_ram + @reaper_status_logs = reaper_status_logs end # used for tes @@ -11,11 +12,11 @@ end def reap - return false unless @cluster.running? + return false if @cluster.workers_stopped? if (total = get_total_memory) > @max_ram @cluster.master.log "PumaWorkerKiller: Out of memory. #{@cluster.workers.count} workers consuming total: #{total} mb out of max: #{@max_ram} mb. Sending TERM to pid #{@cluster.largest_worker.pid} consuming #{@cluster.largest_worker_memory} mb." @cluster.term_largest_worker - else + elsif @reaper_status_logs @cluster.master.log "PumaWorkerKiller: Consuming #{total} mb with master and #{@cluster.workers.count} workers." end end diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' '--exclude=.svnignore' old/lib/puma_worker_killer/version.rb new/lib/puma_worker_killer/version.rb --- old/lib/puma_worker_killer/version.rb 2016-04-01 23:20:07.000000000 +0200 +++ new/lib/puma_worker_killer/version.rb 2016-10-13 16:56:01.000000000 +0200 @@ -1,3 +1,3 @@ module PumaWorkerKiller - VERSION = "0.0.6" + VERSION = "0.0.7" end diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' '--exclude=.svnignore' old/lib/puma_worker_killer.rb new/lib/puma_worker_killer.rb --- old/lib/puma_worker_killer.rb 2016-04-01 23:20:07.000000000 +0200 +++ new/lib/puma_worker_killer.rb 2016-10-13 16:56:01.000000000 +0200 @@ -3,18 +3,19 @@ module PumaWorkerKiller extend self - attr_accessor :ram, :frequency, :percent_usage, :rolling_restart_frequency + attr_accessor :ram, :frequency, :percent_usage, :rolling_restart_frequency, :reaper_status_logs self.ram = 512 # mb self.frequency = 10 # seconds self.percent_usage = 0.99 # percent of RAM to use self.rolling_restart_frequency = 6 * 3600 # 6 hours in seconds + self.reaper_status_logs = true def config yield self end - def reaper(ram = self.ram, percent = self.percent_usage) - Reaper.new(ram * percent_usage) + def reaper(ram = self.ram, percent = self.percent_usage, reaper_status_logs = self.reaper_status_logs) + Reaper.new(ram * percent_usage, nil, reaper_status_logs) end def start(frequency = self.frequency, reaper = self.reaper) diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' '--exclude=.svnignore' old/metadata new/metadata --- old/metadata 2016-04-01 23:20:07.000000000 +0200 +++ new/metadata 2016-10-13 16:56:01.000000000 +0200 @@ -1,14 +1,14 @@ --- !ruby/object:Gem::Specification name: puma_worker_killer version: !ruby/object:Gem::Version - version: 0.0.6 + version: 0.0.7 platform: ruby authors: - Richard Schneeman autorequire: bindir: bin cert_chain: [] -date: 2016-04-01 00:00:00.000000000 Z +date: 2016-10-13 00:00:00.000000000 Z dependencies: - !ruby/object:Gem::Dependency name: puma @@ -59,6 +59,20 @@ - !ruby/object:Gem::Version version: '1.6' - !ruby/object:Gem::Dependency + name: wait_for_it + requirement: !ruby/object:Gem::Requirement + requirements: + - - "~>" + - !ruby/object:Gem::Version + version: '0.1' + type: :development + prerelease: false + version_requirements: !ruby/object:Gem::Requirement + requirements: + - - "~>" + - !ruby/object:Gem::Version + version: '0.1' +- !ruby/object:Gem::Dependency name: rake requirement: !ruby/object:Gem::Requirement requirements: @@ -106,7 +120,11 @@ - lib/puma_worker_killer/rolling_restart.rb - lib/puma_worker_killer/version.rb - puma_worker_killer.gemspec -- test/fixtures/app.ru +- test/fixtures/big.ru +- test/fixtures/config/puma_worker_killer_start.rb +- test/fixtures/default.ru +- test/fixtures/fixture_helper.rb +- test/fixtures/rolling_restart.ru - test/puma_worker_killer_test.rb - test/test_helper.rb homepage: https://github.com/schneems/puma_worker_killer @@ -129,12 +147,17 @@ version: '0' requirements: [] rubyforge_project: -rubygems_version: 2.5.1 +rubygems_version: 2.6.4 signing_key: specification_version: 4 summary: If you have a memory leak in your web code puma_worker_killer can keep it in check. test_files: -- test/fixtures/app.ru +- test/fixtures/big.ru +- test/fixtures/config/puma_worker_killer_start.rb +- test/fixtures/default.ru +- test/fixtures/fixture_helper.rb +- test/fixtures/rolling_restart.ru - test/puma_worker_killer_test.rb - test/test_helper.rb +has_rdoc: diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' '--exclude=.svnignore' old/puma_worker_killer.gemspec new/puma_worker_killer.gemspec --- old/puma_worker_killer.gemspec 2016-04-01 23:20:07.000000000 +0200 +++ new/puma_worker_killer.gemspec 2016-10-13 16:56:01.000000000 +0200 @@ -21,6 +21,7 @@ gem.add_dependency "puma", ">= 2.7", "< 4" gem.add_dependency "get_process_mem", "~> 0.2" gem.add_development_dependency "rack", "~> 1.6" + gem.add_development_dependency "wait_for_it", "~> 0.1" gem.add_development_dependency "rake", "~> 10.1" gem.add_development_dependency "test-unit", ">= 0" diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' '--exclude=.svnignore' old/test/fixtures/app.ru new/test/fixtures/app.ru --- old/test/fixtures/app.ru 2016-04-01 23:20:07.000000000 +0200 +++ new/test/fixtures/app.ru 1970-01-01 01:00:00.000000000 +0100 @@ -1,27 +0,0 @@ -require 'rack' -require 'rack/server' - -require 'puma_worker_killer' - -PumaWorkerKiller.config do |config| - config.ram = Integer(ENV['PUMA_RAM']) if ENV['PUMA_RAM'] - config.frequency = Integer(ENV['PUMA_FREQUENCY']) if ENV['PUMA_FREQUENCY'] -end -PumaWorkerKiller.start - - -puts "Frequency: #{PumaWorkerKiller.frequency}" if ENV['PUMA_FREQUENCY'] - -class HelloWorld - def response - [200, {}, ['Hello World']] - end -end - -class HelloWorldApp - def self.call(env) - HelloWorld.new.response - end -end - -run HelloWorldApp diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' '--exclude=.svnignore' old/test/fixtures/big.ru new/test/fixtures/big.ru --- old/test/fixtures/big.ru 1970-01-01 01:00:00.000000000 +0100 +++ new/test/fixtures/big.ru 2016-10-13 16:56:01.000000000 +0200 @@ -0,0 +1,10 @@ +load File.expand_path("../fixture_helper.rb", __FILE__) + +PumaWorkerKiller.start + +@memory = [] +10_000.times.each do + @memory << SecureRandom.hex +end + +run HelloWorldApp diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' '--exclude=.svnignore' old/test/fixtures/config/puma_worker_killer_start.rb new/test/fixtures/config/puma_worker_killer_start.rb --- old/test/fixtures/config/puma_worker_killer_start.rb 1970-01-01 01:00:00.000000000 +0100 +++ new/test/fixtures/config/puma_worker_killer_start.rb 2016-10-13 16:56:01.000000000 +0200 @@ -0,0 +1,6 @@ +load File.expand_path("../../fixture_helper.rb", __FILE__) + +before_fork do + require 'puma_worker_killer' + PumaWorkerKiller.start +end diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' '--exclude=.svnignore' old/test/fixtures/default.ru new/test/fixtures/default.ru --- old/test/fixtures/default.ru 1970-01-01 01:00:00.000000000 +0100 +++ new/test/fixtures/default.ru 2016-10-13 16:56:01.000000000 +0200 @@ -0,0 +1,5 @@ +load File.expand_path("../fixture_helper.rb", __FILE__) + +PumaWorkerKiller.start + +run HelloWorldApp diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' '--exclude=.svnignore' old/test/fixtures/fixture_helper.rb new/test/fixtures/fixture_helper.rb --- old/test/fixtures/fixture_helper.rb 1970-01-01 01:00:00.000000000 +0100 +++ new/test/fixtures/fixture_helper.rb 2016-10-13 16:56:01.000000000 +0200 @@ -0,0 +1,25 @@ +require 'securerandom' + +require 'rack' +require 'rack/server' + +require 'puma_worker_killer' + +PumaWorkerKiller.config do |config| + config.ram = Integer(ENV['PUMA_RAM']) if ENV['PUMA_RAM'] + config.frequency = Integer(ENV['PUMA_FREQUENCY']) if ENV['PUMA_FREQUENCY'] +end + +puts "Frequency: #{ PumaWorkerKiller.frequency }" if ENV['PUMA_FREQUENCY'] + +class HelloWorld + def response(env) + [200, {}, ['Hello World']] + end +end + +class HelloWorldApp + def self.call(env) + HelloWorld.new.response(env) + end +end diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' '--exclude=.svnignore' old/test/fixtures/rolling_restart.ru new/test/fixtures/rolling_restart.ru --- old/test/fixtures/rolling_restart.ru 1970-01-01 01:00:00.000000000 +0100 +++ new/test/fixtures/rolling_restart.ru 2016-10-13 16:56:01.000000000 +0200 @@ -0,0 +1,5 @@ +load File.expand_path("../fixture_helper.rb", __FILE__) + +PumaWorkerKiller.enable_rolling_restart(1) # 1 second + +run HelloWorldApp diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' '--exclude=.svnignore' old/test/puma_worker_killer_test.rb new/test/puma_worker_killer_test.rb --- old/test/puma_worker_killer_test.rb 2016-04-01 23:20:07.000000000 +0200 +++ new/test/puma_worker_killer_test.rb 2016-10-13 16:56:01.000000000 +0200 @@ -3,75 +3,51 @@ class PumaWorkerKillerTest < Test::Unit::TestCase def test_starts - app_path = fixture_path.join("app.ru") port = 0 # http://stackoverflow.com/questions/200484/how-do-you-find-a-free-tcp-server-... - puma_log = Pathname.new "#{ SecureRandom.hex }-puma.log" - pid = Process.spawn("PUMA_FREQUENCY=1 bundle exec puma #{ app_path } -t 1:1 -w 5 --preload --debug -p #{ port } > #{puma_log}") - sleep 5 - assert_match "PumaWorkerKiller:", puma_log.read - ensure - puma_log.delete - Process.kill('TERM', pid) if pid - end + command = "bundle exec puma #{ fixture_path.join("default.ru") } -t 1:1 -w 2 --preload --debug -p #{ port }" + options = { wait_for: "booted", timeout: 5, env: { "PUMA_FREQUENCY" => 1 } } - def test_worker_reaped - ram = 1 #mb - cluster = FakeCluster.new - reaper = PumaWorkerKiller::Reaper.new(ram, cluster) - worker_count = 10 - worker_count.times { cluster.add_worker } - - assert_equal worker_count, cluster.workers.count - refute cluster.workers.detect {|w| w.is_term? } - - reaper.reap - assert_equal 1, cluster.workers.select {|w| w.is_term? }.count - - reaper.reap - assert_equal 2, cluster.workers.select {|w| w.is_term? }.count - - reaper.reap - assert_equal 3, cluster.workers.select {|w| w.is_term? }.count - ensure - cluster.workers.map(&:term) + WaitForIt.new(command, options) do |spawn| + assert_contains(spawn, "PumaWorkerKiller") + end end - def test_kills_memory_leak - ram = rand(75..100) #mb - cluster = FakeCluster.new - reaper = PumaWorkerKiller::Reaper.new(ram, cluster) - while reaper.get_total_memory < (ram * 0.80) - cluster.add_worker - sleep 0.01 + def test_without_preload + port = 0 # http://stackoverflow.com/questions/200484/how-do-you-find-a-free-tcp-server-... + command = "bundle exec puma #{ fixture_path.join("default.ru") } -t 1:1 -w 2 --debug -p #{ port } -C #{ fixture_path.join("config/puma_worker_killer_start.rb") }" + options = { wait_for: "booted", timeout: 10, env: { "PUMA_FREQUENCY" => 1 } } + + WaitForIt.new(command, options) do |spawn| + assert_contains(spawn, "PumaWorkerKiller") end + end - reaper.reap - assert_equal 0, cluster.workers.select {|w| w.is_term? }.count + def test_kills_large_app + file = fixture_path.join("big.ru") + port = 0 + command = "bundle exec puma #{ file } -t 1:1 -w 2 --preload --debug -p #{ port }" + options = { wait_for: "booted", timeout: 5, env: { "PUMA_FREQUENCY" => 1, 'PUMA_RAM' => 1} } - until reaper.get_total_memory > ram - cluster.add_worker - sleep 0.01 + WaitForIt.new(command, options) do |spawn| + assert_contains(spawn, "Out of memory") end - - reaper.reap - assert_equal 1, cluster.workers.select {|w| w.is_term? }.count - ensure - cluster.workers.map(&:term) end + def assert_contains(spawn, string) + assert spawn.wait(string), "Expected logs to contain '#{string}' but it did not, contents: #{ spawn.log.read }" + end def test_rolling_restart - ram = rand(75..100) #mb - cluster = FakeCluster.new - cluster.add_worker - - worker = cluster.workers.first - reaper = PumaWorkerKiller::RollingRestart.new(cluster) - reaper.reap(1) - - assert_equal 1, cluster.workers.select {|w| w.is_term? }.count - ensure - cluster.workers.map(&:term) + + file = fixture_path.join("rolling_restart.ru") + port = 0 + command = "bundle exec puma #{ file } -t 1:1 -w 2 --preload --debug -p #{ port }" + puts command.inspect + options = { wait_for: "booted", timeout: 15, env: { } } + + WaitForIt.new(command, options) do |spawn| + assert_contains(spawn, "Rolling Restart") + end end end diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' '--exclude=.svnignore' old/test/test_helper.rb new/test/test_helper.rb --- old/test/test_helper.rb 2016-04-01 23:20:07.000000000 +0200 +++ new/test/test_helper.rb 2016-10-13 16:56:01.000000000 +0200 @@ -2,70 +2,8 @@ require 'puma_worker_killer' require 'test/unit' +require 'wait_for_it' def fixture_path Pathname.new(File.expand_path("../fixtures", __FILE__)) end - -# Mock object stand in for Puma::Cluster -class FakeCluster - def initialize - @workers = [] - end - - def wakeup! - end - - class Worker - attr_accessor :pid - - def initialize(pid) - @pid = pid - end - - def memory_leak - while true - - end - end - - # not public interface, used for testing - def is_term? - @first_term_sent - end - - def term - begin - if @first_term_sent && (Time.new - @first_term_sent) > 30 - @signal = "KILL" - else - @first_term_sent ||= Time.new - end - - Process.kill "TERM", @pid - Process.wait(@pid) - rescue Errno::ESRCH, Errno::ECHILD - end - end - end - - def log(msg) - puts msg - end - - def do_work - while true - sleep 1 - end - end - - # not a public interface, added to make testing easier - def workers - @workers - end - - def add_worker - pid = fork { do_work } - @workers << Worker.new(pid) - end -end
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