Class: Embulk::InputRedis

Inherits:
InputPlugin
  • Object
show all
Defined in:
lib/embulk/input_redis.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.transaction(config, &control) ⇒ Object 



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# File 'lib/embulk/input_redis.rb', line 9

def self.transaction(config, &control)
  task = {
    'host' => config.param('host', :string, :default => 'localhost'),
    'port' => config.param('port', :integer, :default => 6379),
    'db' => config.param('db', :integer, :default => 0),
    'key_prefix' => config.param('key_prefix', :string, :default => ''),
    'encode' => config.param('encode', :string, :default => 'json'),
  }
  threads = config.param('threads', :integer, default: 1)

  columns = [
    Column.new(0, 'key', :string),
    Column.new(1, 'value', :string),
  ]

  puts "Redis input started."
  commit_reports = yield(task, columns, threads)
  puts "Redis input finished. Commit reports = #{commit_reports.to_json}"

  return {}
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/embulk/input_redis.rb', line 31

def run
  puts "Redis input thread #{@index}..."

  r = Redis.new(:host => @task['host'], :port => @task['port'], :db => @task['db'])
  r.keys("#{@task['key_prefix']}*").each do |k|
    # TODO: Use MGET or something
    case @task['encode']
    when 'json'
      v = r.get(k)
      @page_builder.add([k, v])
    end
  end
  @page_builder.finish  # don't forget to call finish :-)

  commit_report = {
  }
  return commit_report
end