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



105
106
107
 
# File 'lib/logstash/outputs/redis_set.rb', line 105

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

#receive(event) ⇒ Object 



52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
 
# 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 = RediSearch.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 



45
46
47
48
49
 
# File 'lib/logstash/outputs/redis_set.rb', line 45

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