Class: Kdeploy::Runner

Inherits:
Object
  • Object
show all
Defined in:
lib/kdeploy/runner.rb

Instance Method Summary collapse

Constructor Details

#initialize(hosts, tasks, parallel: 5) ⇒ Runner

Returns a new instance of Runner.



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# File 'lib/kdeploy/runner.rb', line 7

def initialize(hosts, tasks, parallel: 5)
  @hosts = hosts
  @tasks = tasks
  @parallel = parallel
  @pool = Concurrent::FixedThreadPool.new(@parallel)
  @results = Concurrent::Hash.new
end

Instance Method Details

#run(task_name) ⇒ Object 



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# File 'lib/kdeploy/runner.rb', line 15

def run(task_name)
  task = @tasks[task_name]
  raise "Task not found: #{task_name}" unless task

  futures = @hosts.map do |name, config|
    Concurrent::Future.execute(executor: @pool) do
      executor = Executor.new(config)
      result = { status: :success, output: [] }

      task[:block].call.group_by do |cmd|
        cmd[:type].to_s + (if cmd[:type] == :upload
                             cmd[:source].to_s
                           else
                             cmd[:type] == :run ? cmd[:command].to_s.lines.first.strip : ''
                           end)
      end.each_value do |commands|
        # 生成 TASK 横幅
        pastel = Pastel.new
        first_cmd = commands.first
        task_desc = case first_cmd[:type]
                    when :upload
                      "upload #{first_cmd[:source]}"
                    when :upload_template
                      "template #{first_cmd[:source]}"
                    when :run
                      first_cmd[:command].to_s.lines.first.strip
                    else
                      first_cmd[:type].to_s
                    end
        puts pastel.cyan("\nTASK [#{task_desc}] " + ('*' * 64))
        commands.each do |command|
          case command[:type]
          when :run
            pastel = Pastel.new
            puts pastel.bright_white("\n#{name.ljust(24)} : ")
            puts pastel.cyan("  [run]    #{command[:command].lines.first.strip}")
            command[:command].lines[1..].each { |line| puts "           > #{line.strip}" unless line.strip.empty? }
            output = executor.execute(command[:command])
            result[:output] << { command: command[:command], output: output }
          when :upload
            pastel = Pastel.new
            puts pastel.bright_white("\n#{name.ljust(24)} : ")
            puts pastel.green("  [upload] #{command[:source]} -> #{command[:destination]}")
            executor.upload(command[:source], command[:destination])
            result[:output] << { command: "upload: #{command[:source]} -> #{command[:destination]}" }
          when :upload_template
            pastel = Pastel.new
            puts pastel.bright_white("\n#{name.ljust(24)} : ")
            puts pastel.yellow("  [template] #{command[:source]} -> #{command[:destination]}")
            executor.upload_template(command[:source], command[:destination], command[:variables])
            result[:output] << { command: "upload_template: #{command[:source]} -> #{command[:destination]}" }
          end
        end
      end

      @results[name] = result
    rescue StandardError => e
      @results[name] = { status: :failed, error: e.message }
    end
  end

  futures.each(&:wait)
  @results
ensure
  @pool.shutdown
end