Class: LogStash::Inputs::S3

Inherits:
Base show all
Defined in:
lib/logstash/inputs/s3.rb

Overview

Stream events from files from a S3 bucket.

Each line from each file generates an event. Files ending in ‘.gz’ are handled as gzip’ed files.

Constant Summary

Constants included from Config::Mixin

Config::Mixin::CONFIGSORT

Instance Attribute Summary

Attributes inherited from Base

#params, #threadable

Attributes included from Config::Mixin

#config, #original_params

Attributes inherited from Plugin

#logger, #params

Instance Method Summary collapse

Methods inherited from Base

#initialize, #tag

Methods included from Config::Mixin

#config_init, included

Methods inherited from Plugin

#eql?, #finished, #finished?, #hash, #initialize, #inspect, lookup, #reload, #running?, #shutdown, #teardown, #terminating?, #to_s

Constructor Details

This class inherits a constructor from LogStash::Inputs::Base

Instance Method Details

#register ⇒ Object 



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# File 'lib/logstash/inputs/s3.rb', line 63

def register
  require "digest/md5"
  require "aws-sdk"

  @region_endpoint = @region if !@region.empty?

  @logger.info("Registering s3 input", :bucket => @bucket, :region_endpoint => @region_endpoint)

  if @credentials.nil?
    @access_key_id = ENV['AWS_ACCESS_KEY_ID']
    @secret_access_key = ENV['AWS_SECRET_ACCESS_KEY']
  elsif @credentials.is_a? Array
    if @credentials.length ==1
      File.open(@credentials[0]) { |f| f.each do |line|
        unless (/^\#/.match(line))
          if(/\s*=\s*/.match(line))
            param, value = line.split('=', 2)
            param = param.chomp().strip()
            value = value.chomp().strip()
            if param.eql?('AWS_ACCESS_KEY_ID')
              @access_key_id = value
            elsif param.eql?('AWS_SECRET_ACCESS_KEY')
              @secret_access_key = value
            end
          end
        end
      end
      }
    elsif @credentials.length == 2
      @access_key_id = @credentials[0]
      @secret_access_key = @credentials[1]
    else
      raise ArgumentError.new('Credentials must be of the form "/path/to/file" or ["id", "secret"]')
    end
  end
  if @access_key_id.nil? or @secret_access_key.nil?
    raise ArgumentError.new('Missing AWS credentials')
  end

  if @bucket.nil?
    raise ArgumentError.new('Missing AWS bucket')
  end

  if @sincedb_path.nil?
    if ENV['HOME'].nil?
      raise ArgumentError.new('No HOME or sincedb_path set')
    end
    @sincedb_path = File.join(ENV["HOME"], ".sincedb_" + Digest::MD5.hexdigest("#{@bucket}+#{@prefix}"))
  end

  s3 = AWS::S3.new(
    :access_key_id => @access_key_id,
    :secret_access_key => @secret_access_key,
    :region => @region_endpoint
  )

  @s3bucket = s3.buckets[@bucket]

  unless @backup_to_bucket.nil?
    @backup_bucket = s3.buckets[@backup_to_bucket]
    unless @backup_bucket.exists?
      s3.buckets.create(@backup_to_bucket)
    end
  end

  unless @backup_to_dir.nil?
    Dir.mkdir(@backup_to_dir, 0700) unless File.exists?(@backup_to_dir)
  end

end

#run(queue) ⇒ Object 



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# File 'lib/logstash/inputs/s3.rb', line 135

def run(queue)
  loop do
    process_new(queue)
    sleep(@interval)
  end
  finished
end