Class: Wakame::Initializer

Inherits:
Object
  • Object
show all
Defined in:
lib/wakame/initializer.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(configuration) ⇒ Initializer

Returns a new instance of Initializer.



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# File 'lib/wakame/initializer.rb', line 24

def initialize(configuration)
  @configuration = configuration
end

Instance Attribute Details

#configuration ⇒ Object (readonly)

Returns the value of attribute configuration.



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# File 'lib/wakame/initializer.rb', line 22

def configuration
  @configuration
end

Class Method Details

.instance ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 13

def instance
  @instance
end

.loaded_classes ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 17

def loaded_classes
  @loaded_classes ||= []
end

.run(command, configuration = Configuration.new) ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 8

def run(command, configuration=Configuration.new)
  @instance ||= new(configuration)
  @instance.send(command)
end

Instance Method Details

#load_actors ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 130

def load_actors
  load_framework('wakame/actor/**/*.rb', lambda{ |f|
                   Wakame.log.debug("Loading Core Actor: #{f}")
                 })

  load_project('cluster/actors/*.rb', lambda{ |f|
                 Wakame.log.debug("Loading Project Actor: #{f}")
               })
end

#load_core_actions ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 156

def load_core_actions
  load_framework("wakame/actions/**/*.rb", lambda{ |f|
                   Wakame.log.debug("Loading Core Actions: #{f}")
                 })
end

#load_core_commands ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 85

def load_core_commands
#       %w( cluster/commands ).each { |load_path|
#         load_path = File.expand_path(load_path, configuration.root_path)
#         matcher = /\A#{Regexp.escape(load_path)}(.*)\.rb\Z/
#         Dir.glob("#{load_path}/**/*.rb").sort.each do |file|
#           require file.sub(matcher, '\1')
#         end
#       }

  load_framework('wakame/command/**/*.rb', lambda{ |f|
                   Wakame.log.debug("Loading Core Commands: #{f}")
                 })
end

#load_core_triggers ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 150

def load_core_triggers
  load_framework("wakame/triggers/**/*.rb", lambda{ |f|
                   Wakame.log.debug("Loading Core triggers: #{f}")
                 })
end

#load_environment ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 100

def load_environment
  config = configuration
  constants = self.class.constants

  [:common, config.environment].each { |key|
    eval(IO.read(config.environment_path(key)), binding, config.environment_path(key))
  }

  (self.class.constants - constants).each do |const|
    Object.const_set(const, self.class.const_get(const))
  end
end

#load_framework(glob_pat, pre_hook = nil, post_hook = nil) ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 209

def load_framework(glob_pat, pre_hook=nil, post_hook=nil)
  if Wakame::Bootstrap.boot_type == Wakame::Bootstrap::VendorBoot
    rbfiles = Dir.glob(File.expand_path(glob_pat, File.join(configuration.framework_root_path, 'lib')))  
  else
    rbfiles = Gem.find_files(glob_pat)
  end
  rbfiles.sort.each{ |f|
    pre_hook.call(f) if pre_hook
    load f
    post_hook.call(f) if post_hook
  }
end

#load_monitors ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 140

def load_monitors
  load_framework('wakame/monitor/**/*.rb', lambda{ |f|
                   Wakame.log.debug("Loading Core Monitor: #{f}")
                 })

  #load_project('cluster/monitors/*.rb', lambda{ |f|
  #               Wakame.log.debug("Loading Project Monitor: #{f}")
  #             })
end

#load_project(glob_pat, pre_hook = nil, post_hook = nil) ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 222

def load_project(glob_pat, pre_hook=nil, post_hook=nil)
  Dir.glob(File.expand_path(glob_pat, configuration.root_path)).sort.each{ |f|
    (pre_hook.call(f) || next) if pre_hook
    load f
    post_hook.call(f) if post_hook
  }
end

#load_resources ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 113

def load_resources
  load_path = File.expand_path('cluster/resources/markers', configuration.root_path)
  Dir.glob("#{load_path}/*.rb").sort.each do |file|
    Wakame.log.debug("Loading resource marker: #{file}")
    load file
  end
  
  load_path = File.expand_path('cluster/resources', configuration.root_path)
  Dir.glob("#{load_path}/*/*.rb").sort.each do |file|
    if file =~ %r{\A#{Regexp.escape(load_path)}/([^/]+)/([^/]+)\.rb\Z} && $1 == $2
      Wakame.log.debug("Loading resource definition: #{file}")
      load file
    end
    #require file.sub(matcher, '\1')
  end
end

#load_system_monitors ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 82

def load_system_monitors
end

#process ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 28

def process
  setup_load_paths
  setup_logger
  load_environment
end

#process_agent ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 43

def process_agent
  require 'wakame/agent'
  load_actors
  load_monitors
end

#process_cli ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 49

def process_cli
  process
end

#process_master ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 34

def process_master
  require 'wakame/master'
  setup_database
  load_resources
  load_core_commands
  load_core_actions
  load_core_triggers
end

#setup_database ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 162

def setup_database
  require 'sequel'
  
  #db = Sequel.connect(Wakame.config.status_db_dsn, {:logger=>Wakame.log})
  #db = Sequel.connect(Wakame.config.status_db_dsn, {:timeout=>15000})
  db = Sequel.connect(Wakame.config.status_db_dsn)
  if db.uri  =~ /\Asqlite:/
    orig_proc = db.pool.connection_proc
    db.pool.connection_proc = proc { |svr|
      con = orig_proc.call(svr)
      con.busy_handler {|data, retries|
        if retries > 5
          Wakame.log.fatal("Detected the SQLite's busy lock: #{Thread.current}, data=#{data}, retries=#{retries}")
          exit 100
        end
        sleep 8
        true
      }
      con
    }
  end

  load_framework('wakame/models/*.rb', 
                 lambda {|path| self.class.loaded_classes.clear},
                 lambda {|path|
                           
                   self.class.loaded_classes.each { |model_class|
                     next unless model_class.is_a?(Class) && model_class < Sequel::Model
                     
                     model_class.create_table?
                   }

                 })


  if db.table_exists?(:metadata)
  else
    db.create_table? :metadata do
      primary_key :id
      column :version, :string
      column :created_at, :datetime
    end
    db[:metadata].insert(:version=>'0.4', :created_at=>Time.now)
  end

end

#setup_load_paths ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 53

def setup_load_paths
  load_paths = configuration.load_paths + configuration.project_paths + configuration.framework_paths
  load_paths.reverse_each { |dir| $LOAD_PATH.unshift(dir) if File.directory?(dir) }
  $LOAD_PATH.uniq!

  require 'wakame'
end

#setup_logger ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 61

def setup_logger
  require 'log4r'
  Logger.log = begin
                 #log = Logger.new((Wakame.root||Dir.pwd) / "log.log")
                 out = ::Log4r::StdoutOutputter.new('stdout',
                                                    :formatter => Log4r::PatternFormatter.new(
                                                                                              :depth => 9999, # stack trace depth
                                                                                              :pattern => "%d %C [%l]: %M",
                                                                                              :date_format => "%Y/%m/%d %H:%M:%S"
                                                                                              )
                                                    )
                 log = ::Log4r::Logger.new(File.basename($0.to_s))
                 log.add(out)
                 log
               end
end

#setup_system_actors ⇒ Object 



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# File 'lib/wakame/initializer.rb', line 79

def setup_system_actors
end