Class: Grably::Server

Inherits:
Object
  • Object
show all
Defined in:
lib/grably/server.rb

Overview

Entry point to submodule task management

Constant Summary collapse

EXPORT_FILENAME = 
'grably.export'.freeze

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Server

Returns a new instance of Server.



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# File 'lib/grably/server.rb', line 8

def initialize
  @child_processes = {}
end

Instance Method Details

#execute(call, out_file, prefix: ' ') ⇒ Object

rubocop:disable all



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# File 'lib/grably/server.rb', line 22

def execute(call, out_file, prefix: ' ')
  rakefile = call.path
  
  profile = *call.profile.map(&:to_s)

  if Grably.export_path
    data = [ rakefile, out_file, { 'target' => call.task, 'profile' => profile, 'params' => params } ]
    puts "remote_mbuild_request:#{JSON.generate(data)}"
    $stdout.flush
    $stdin.each do |l|
      raise "error in remote (slave) grably" unless l.strip == 'remote_grab_finished'
      break
    end
  else
    key = { rakefile: rakefile, profile: profile }
    
    process = @child_processes[key]
    
    unless process
      env = { 'config' => nil }
      cmd = [
        RbConfig.ruby,
        File.expand_path(File.join(__dir__, 'runner.rb')),
        '-f',
        File.basename(rakefile),
        "mp=#{profile.join(',')}"
      ]
      cmd << "--trace" if Rake.application.options.trace
      
      stdin, stdout, thread = Open3.popen2(*[env, cmd, { :err => [ :child, :out], :chdir => File.dirname(rakefile) }].flatten)
      stdout.sync = true
      stdin.sync = true
      
      process = { stdin: stdin, stdout: stdout, thread: thread }
      @child_processes[key] = process
    end
    
    process[:stdin].puts("build|#{out_file}|#{[call.task].flatten.join('|')}")
    
    ok = false
    process[:stdout].each do |l|
      ls = l.strip
      if ls == 'remote_grab_finished'
        ok = true
        break
      end
      
      if ls.start_with?('remote_grab_request:')
        data = JSON.parse(ls['remote_grab_request:'.size..-1])
        execute(data[0], data[1], "#{prefix}  ", { target: data[2]['target'], profile: data[2]['profile'], params: data[2]['params']})
        process[:stdin].puts('remote_grab_finished')
      else
        log "#{prefix}#{l}"
      end
    end
    
    raise 'error in remote grab' unless ok
  end
end

#remote_result(call, out_file) ⇒ Object 



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# File 'lib/grably/server.rb', line 16

def remote_result(call, out_file)
  execute(call, out_file)
  load_obj(out_file)
end

#schedule(call) ⇒ Object 



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# File 'lib/grably/server.rb', line 12

def schedule(call)
  ->(dir) { remote_result(call, File.expand_path(File.join(dir, EXPORT_FILENAME))) }
end