Class: LogStash::Outputs::Redis

Inherits:
Base
  • Object
show all
Defined in:
lib/logstash/outputs/redis_set.rb

Overview

An redis output that does nothing.

Instance Method Summary collapse

Instance Method Details

#identity ⇒ Object

A string used to identify a Redis instance in log messages



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# File 'lib/logstash/outputs/redis_set.rb', line 105

def identity
  "redis://#{@password}@#{@host}:#{@port}/#{@db} #{@action} #{@key}"
end

#receive(event) ⇒ Object 



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# File 'lib/logstash/outputs/redis_set.rb', line 52

def receive(event)
  begin
    key = event.sprintf(@key)
    @redis ||= connect
    case @action
    when "ZADD"
      member = event.sprintf(@member)
      if @score
        score = event.sprintf(@score)
      else
        score = (event.get("@timestamp").to_f * 1000).to_i
      end
      @redis.zadd(key, score, member)
    when "SET"
      value = event.sprintf(@value)
      @redis.set(key, value)
    when "SADD"
      member = event.sprintf(@member)
      @redis.sadd(key, member)
    when "HSET"
      field = event.sprintf(@field)
      value = event.sprintf(@value)
      @redis.hset(key, field, value)
    when "FTADD"
      redisearch_client = RedisSearch.new(key, @redis)
      
      docFields = [];
      
      redisearch_client.info().each do | key, value |
        if value.class == Array
          if key == "fields"
            value.each do |item|
              docFields.push(item[0])
              docFields.push(event.get(item[0]))
            end
          end
        end
      end

      doc = [event.sprintf(@docId), docFields]
      redisearch_client.add_docs(doc, {replace: true})
    end
  rescue => e
    @logger.warn("Failed to set event to Redis", :event => event,
                 :identity => identity, :exception => e,
                 :backtrace => e.backtrace)
    sleep @reconnect_interval
    @redis = nil
    retry
  end
end

#register ⇒ Object 



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# File 'lib/logstash/outputs/redis_set.rb', line 45

def register
  require 'redis'
  require 'redisearch-rb'
  @redis = nil
end