Class: LogStash::Inputs::Blueliv

Inherits:
Base
  • Object
show all
Defined in:
lib/logstash/inputs/blueliv.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#auth ⇒ Object

Returns the value of attribute auth.



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# File 'lib/logstash/inputs/blueliv.rb', line 70

def auth
  @auth
end

#timeout ⇒ Object

Returns the value of attribute timeout.



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# File 'lib/logstash/inputs/blueliv.rb', line 70

def timeout
  @timeout
end

Instance Method Details

#client ⇒ Object 



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# File 'lib/logstash/inputs/blueliv.rb', line 206

def client
  RestClient
end

#db_updated?(now) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/logstash/inputs/blueliv.rb', line 105

def db_updated?(now)
  result = false
  if File.exists?(INITIALIZE_FILE)
    File.open(INITIALIZE_FILE, "r") do |file|
      file.each do |line|
        unless line.strip.start_with? "#"
          begin
            time = DateTime.strptime(line.strip, "%s")
            result = ((now - time) * ONE_DAY_IN_SECONDS).to_i < ONE_DAY_IN_SECONDS
            break
          rescue Exception => e
            @logger.error(e)
          end
        end
      end
    end
  end

  result
end

#get_feed(queue, name, url, &block) ⇒ Object 



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# File 'lib/logstash/inputs/blueliv.rb', line 161

def get_feed(queue, name, url, &block)
  @logger.info("Start getting #{url} feed")
  loop do
    begin
      response = client.get("#{url}?key=#{API_CLIENT}", :Authorization => @auth, :timeout => @timeout,
        :user_agent => USER_AGENT, :headers => {"X-API-CLIENT" => API_CLIENT})
      response_json = JSON.parse(response.body)
      items = response_json[RESOURCES[name.to_sym][:items]]
      items.each do |it|
        it["location"] = [it["longitude"].to_f, it["latitude"].to_f]
        collection = RESOURCES[name.to_sym][:items].downcase
        it["@collection"] = collection
        it["document_id"] = if it.has_key?("_id") then it["_id"] else SecureRandom.base64(32) end
        it.delete("_id") if it.has_key?("_id")
        @logger.debug("#{it}")
        evt =  LogStash::Event.new(it)
        decorate(evt)
        queue << evt
      end
      @logger.info("End getting data from #{url}")
      block.call if block
      break
    rescue RestClient::Exception => e
      case e.http_code
        when 401, 403
          @logger.info("You do not have access to this resource #{url}! Please contact #{@contact}")
          break
        when 404
          @logger.info("Resource #{url} not found")
          break
        when 429
          @logger.info("You exceeded your request limit rate!")
          break
        else
          @logger.error(e)
          @logger.info("Will retry in #{FAILURE_SLEEP} seconds")
          sleep(FAILURE_SLEEP)
      end
    rescue Exception => e
      @logger.info("Will retry in #{FAILURE_SLEEP} seconds")
      sleep(FAILURE_SLEEP)
    end
  end
end

#get_feed_each(queue, name, url, interval, &block) ⇒ Object 



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# File 'lib/logstash/inputs/blueliv.rb', line 154

def get_feed_each(queue, name, url, interval, &block)
  loop do
    get_feed(queue, name, url, &block)
    sleep(interval)
  end
end

#get_url(name, feed_type, feed_interval) ⇒ Object 



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# File 'lib/logstash/inputs/blueliv.rb', line 133

def get_url(name, feed_type, feed_interval)
  base_url = @api_url + RESOURCES[name.to_sym][:endpoint]

  if RESOURCES[name.to_sym][:feeds].key?(feed_type.to_sym)
    feed_lookup = RESOURCES[name.to_sym][:feeds][feed_type.to_sym]
  else
    raise ArgumentError, "Feed #{feed_type} does not exist!"
  end

  interval = nil
  feed_lookup.keys.each do |k|
    if feed_interval <= k
      interval = k
      break
    end
  end
  interval = feed_lookup.keys.max if interval == nil

  return base_url + feed_lookup[interval], interval
end

#register ⇒ Object 



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# File 'lib/logstash/inputs/blueliv.rb', line 85

def register
  merger = proc { |key, v1, v2| Hash === v1 && Hash === v2 ? v1.merge(v2, &merger) : Array === v1 && Array === v2 ? v1 | v2 : [:undefined, nil, :nil].include?(v2) ? v1 : v2 }

  @auth = "Bearer #{api_key}"
  @feeds = DEFAULT_CONFIG.merge(feeds, &merger)
  @timeout = http_timeout
end

#run(queue) ⇒ Object 



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# File 'lib/logstash/inputs/blueliv.rb', line 93

def run(queue)
    threads = []
    @feeds.each do |name, conf|
      if feeds[name]["active"] == 'true'
        url, interval = get_url(name, @feeds[name]["feed_type"], @feeds[name]["interval"])
        threads << Thread.new{get_feed_each(queue, name, url, interval)}
      end
    end

    threads.map {|t| t.join}
end

#write_last_update_db(date) ⇒ Object 



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# File 'lib/logstash/inputs/blueliv.rb', line 126

def write_last_update_db(date)
  File.open(INITIALIZE_FILE, "w") do |file|
    file.write("# GENERATED FILE. DO NOT EDIT IT\n")
    file.write("#{date.to_time.to_i}\n")
  end
end