Class: Rubble::Executor::Local

Inherits:
Base
  • Object
show all
Defined in:
lib/rubble/executor/local.rb

Defined Under Namespace

Classes: Line, Output, StreamInfo

Instance Method Summary collapse

Methods inherited from Base

#convert_options, #exec, #initialize, #redirect, #rsync, #rsync_includes, #rsync_remote_prefix

Constructor Details

This class inherits a constructor from Rubble::Executor::Base

Instance Method Details

#file_exists?(file) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rubble/executor/local.rb', line 56

def file_exists?(file)
    Pathname(file).exists?
end

#mkdir(directory_name) ⇒ Object 



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# File 'lib/rubble/executor/local.rb', line 48

def mkdir(directory_name)
    Pathname(directory_name).mkpath
end

#run(*command) ⇒ Object 



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# File 'lib/rubble/executor/local.rb', line 60

def run(*command)
    command_str = Shellwords.join(command)
    @log.debug(command_str)

    status = nil
    output = Output.new(@log)

    Open3.popen3(command_str) do |stdin, stdout, stderr, thread|
        streams = {stdout => StreamInfo.new(:info, false), stderr => StreamInfo.new(:error, false)}

        until streams.empty? do
            selected, = IO::select(streams.keys, nil, nil, 0.1)

            if not selected.nil? then
                selected.each do |stream|
                    info = streams[stream]

                    if stream.eof? then
                        streams.delete(stream)

                        if not info.data.empty? then
                            output << Line.new(info.level, info.data)
                        end
                    else
                        data = info.data + stream.readpartial(1024)

                        data.each_line do |line|
                            if line.end_with?("\n") then
                                output << Line.new(info.level, line)
                            else
                                info.data = line
                            end
                        end
                    end

                    if info.autoflush then
                        output.flush
                    end
                end
            end
        end

        status = thread.value
    end

    if status.exitstatus != 0 then
        output.flush
        raise "Command failed with exit status #{status.exitstatus}."
    end
end

#symlink(source, target) ⇒ Object 



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# File 'lib/rubble/executor/local.rb', line 52

def symlink(source, target)
    Pathname(target).make_symlink(Pathname(source))
end