Class: Docker::Template::Logger

Inherits:
Object
  • Object
show all
Defined in:
lib/docker/template/logger.rb

Instance Method Summary collapse

Constructor Details

#initialize(builder = nil) ⇒ Logger

Returns a new instance of Logger.



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# File 'lib/docker/template/logger.rb', line 10

def initialize(builder = nil)
  @lines = { 0 => 0 }
  @builder = \
    builder
end

Instance Method Details

#api(part, *_) ⇒ Object

A more complex streamer designed for the actual output of the Docker.



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# File 'lib/docker/template/logger.rb', line 45

def api(part, *_)
  stream = JSON.parse(part)
  retried ||= false

  return progress_bar(stream) if stream.any_key?("progress", "progressDetail")
  return output(stream["status"] || stream["stream"]) if stream.any_key?("status", "stream")
  return progress_error(stream) if stream.any_key?("errorDetail", "error")

  warn Simple::Ansi.red("Unhandled Stream.")
  $stdout.puts(
    part
  )

# Addresses a Docker 1.9 bug.
rescue JSON::ParserError => e
  if !retried
    retried = true
    part = "#{part}\" }"
    retry
  else
    raise e
  end
end

#increment ⇒ Object 



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# File 'lib/docker/template/logger.rb', line 18

def increment
  @lines.update({
    @lines.size => @lines.size
  })
end

#output(msg) ⇒ Object 



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# File 'lib/docker/template/logger.rb', line 71

def output(msg)
  unless filter_matches?(msg)
    $stdout.puts msg
    increment
  end
end

#progress_error(stream) ⇒ Object 



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# File 'lib/docker/template/logger.rb', line 80

def progress_error(stream)
  abort Object::Simple::Ansi.red(
    stream["errorDetail"]["message"]
  )
end

#simple(type, str) ⇒ Object

A simple logger that accepts a multi-type stream.



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# File 'lib/docker/template/logger.rb', line 37

def simple(type, str)
  type == :stderr ? $stderr.print(str) : $stdout.print(str)
end

#tty(stream) ⇒ Object

A simple TTY stream that just prints out the data that it is given. This is the logger that most will use for most of their building.



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# File 'lib/docker/template/logger.rb', line 29

def tty(stream)
  $stdout.print stream
end