Class: Uc::Unicorn::Api

Inherits:
Object
  • Object
show all
Defined in:
lib/uc/unicorn/api.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(event_queue) ⇒ Api

Returns a new instance of Api.



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# File 'lib/uc/unicorn/api.rb', line 17

def initialize(event_queue)
  @queue_name = event_queue
  @run_id = SecureRandom.hex(3)
  ::Uc::Logger.event_queue = queue_name
end

Instance Attribute Details

#original_env ⇒ Object (readonly)

Returns the value of attribute original_env.



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# File 'lib/uc/unicorn/api.rb', line 14

def original_env
  @original_env
end

#queue_name ⇒ Object

Returns the value of attribute queue_name.



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# File 'lib/uc/unicorn/api.rb', line 15

def queue_name
  @queue_name
end

#run_id ⇒ Object (readonly)

Returns the value of attribute run_id.



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# File 'lib/uc/unicorn/api.rb', line 14

def run_id
  @run_id
end

Instance Method Details

#acquire_shared_lock(lock_file) ⇒ Object 



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# File 'lib/uc/unicorn/api.rb', line 50

def acquire_shared_lock(lock_file)
  shared_lock = ::Uc::Unicorn::Lock.new(lock_file)
  shared_lock.acquire
end

#clean_env ⇒ Object 



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# File 'lib/uc/unicorn/api.rb', line 77

def clean_env
  return if uc_config.config[:skip_clean_env]
  ENV.delete "BUNDLE_BIN_PATH"
  ENV.delete "RUBYLIB"
  ENV.delete "RUBYOPT"
  ENV.delete "GEM_HOME"
  ENV.delete "GEM_PATH"
  ENV.delete "BUNDLE_GEMFILE"
  ENV["PATH"] = cleaned_path
end

#cleaned_path ⇒ Object 



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# File 'lib/uc/unicorn/api.rb', line 92

def cleaned_path
  paths = (ENV["PATH"] || "").split(File::PATH_SEPARATOR)
  paths.reject! { |x| x =~ /vendor\/bundle\/ruby/ }
  paths.uniq.join(File::PATH_SEPARATOR)
end

#end_run(worker) ⇒ Object 



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# File 'lib/uc/unicorn/api.rb', line 67

def end_run(worker)
  @init.end_run(worker)
end

#gradual_shutdown(server, worker) ⇒ Object 



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# File 'lib/uc/unicorn/api.rb', line 28

def gradual_shutdown(server, worker)
  gradual_shutdown = ::Uc::Unicorn::GradualShutdown.new(server, worker)
  gradual_shutdown.run
end

#init(server) ⇒ Object 



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# File 'lib/uc/unicorn/api.rb', line 23

def init(server)
  @init ||= ::Uc::Unicorn::Init.new(server)
  @init.run_once
end

#init_original_env ⇒ Object 



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# File 'lib/uc/unicorn/api.rb', line 105

def init_original_env
  return if @original_env
  @original_env = ENV.to_h
end

#load_env ⇒ Object 



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# File 'lib/uc/unicorn/api.rb', line 88

def load_env
  uc_config.load_env
end

#load_original_env ⇒ Object 



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# File 'lib/uc/unicorn/api.rb', line 98

def load_original_env
  return if not @original_env.is_a? Hash
  # add unicorn specific environment vars like UNICORN_FD
  ENV.select { |k,v| k =~ /\AUNICORN_/ }.each { |k,v| @original_env[k] = v }
  ENV.replace(@original_env)
end

#on_exec_fail ⇒ Object 



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# File 'lib/uc/unicorn/api.rb', line 71

def on_exec_fail
  event_stream = ::Uc::Logger.event_stream
  event_stream.close_connections
  event_stream.fatal "re-exec failed"
end

#oom_adjust ⇒ Object 



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# File 'lib/uc/unicorn/api.rb', line 55

def oom_adjust
  pid = Process.pid
  oom_file = "/proc/#{pid}/oom_score_adj"
  File.open(oom_file,"w") do |f|
    f.write "800"
  end
end

#prestart(server, worker, **kwargs) ⇒ Object 



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# File 'lib/uc/unicorn/api.rb', line 33

def prestart(server, worker, **kwargs)
  prestart = ::Uc::Unicorn::Prestart.new(server, worker, **kwargs)
  prestart.run
end

#send_worker_ready(server, worker, **kwargs) ⇒ Object 



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# File 'lib/uc/unicorn/api.rb', line 38

def send_worker_ready(server, worker, **kwargs)
  ready_event = ::Uc::Unicorn::ReadyEvent.new(server, worker, **kwargs)
  ready_event.run_id = run_id
  ready_event.run
end

#shared_env ⇒ Object 



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# File 'lib/uc/unicorn/api.rb', line 63

def shared_env
  @shared_env ||= {}
end

#uc_config ⇒ Object 



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# File 'lib/uc/unicorn/api.rb', line 110

def uc_config
  @uc_config ||= ::Uc::Config.new(Dir.pwd)
end

#wait_for_worker_ready(server, worker, **kwargs) ⇒ Object 



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# File 'lib/uc/unicorn/api.rb', line 44

def wait_for_worker_ready(server, worker, **kwargs)
  ready_event_wait = ::Uc::Unicorn::ReadyWait.new(server, worker, **kwargs)
  ready_event_wait.run_id = run_id
  ready_event_wait.run
end