Class: Embulk::Output::Elasticsearch

Inherits:
OutputPlugin
  • Object
show all
Defined in:
lib/embulk/output/elasticsearch_ruby.rb,
lib/embulk/output/elasticsearch/connection.rb

Defined Under Namespace

Classes: Connection

Constant Summary collapse

ENABLE_MODE = 
%w[normal update replace]

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.cleanup(task, schema, count, task_reports) ⇒ Object 



66
67
68
69
70
71
72
 
# File 'lib/embulk/output/elasticsearch_ruby.rb', line 66

def self.cleanup(task, schema, count, task_reports)
  if task['mode'] == 'replace'
    connection = Connection.new(task)
    connection.create_aliases
    connection.delete_aliases
  end
end

.transaction(config, schema, count, &control) ⇒ Object 



10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
 
# File 'lib/embulk/output/elasticsearch_ruby.rb', line 10

def self.transaction(config, schema, count, &control)
  task = {
    "nodes" => config.param("nodes", :array, default: [{ 'host' => 'localhost', 'port' => 9200 }]),
    "request_timeout" => config.param("request_timeout", :integer, default: 60),
    "index_type" => config.param("index_type", :string),
    "mode" => config.param("mode", :string, default: 'normal'),
    "reload_connections" => config.param("reload_connections", :bool, default: true),
    "reload_on_failure" => config.param("reload_on_failure", :bool, default: false),
    "delete_old_index" => config.param("delete_old_index", :bool, default: false),
    "delete_old_alias" => config.param("delete_old_alias", :bool, default: true),
    "id_keys" => config.param("id_keys", :array, default: nil),
    "id_format" => config.param("id_format", :string, default: nil),
    "array_columns" => config.param("array_columns", :array, default: nil),
    "bulk_actions" => config.param("bulk_actions", :integer, default: 1000),
    "retry_on_failure" => config.param("retry_on_failure", :integer, default: 5),
  }

  unless ENABLE_MODE.include?(task['mode'])
    raise ConfigError.new "`mode` must be one of #{ENABLE_MODE.join(', ')}"
  end
  Embulk.logger.info("mode => #{task['mode']}")

  current_index_name = config.param("current_index_name", :string, default: nil)
  index = config.param("index", :string, default: 'logstash-%Y.%m.%d')
  if task['mode'] == 'replace'
    task['alias'] = index
    task['index'] = if current_index_name
      current_index_name
    else
      "#{index}-#{task['index_type']}-#{Time.now.strftime('%Y.%m.%d.%H.%M.%S')}"
    end
  else
    task['index'] = Time.now.strftime(index)
  end
  Embulk.logger.info("nodes => #{task['nodes']}")
  Embulk.logger.info("index => #{task['index']}")
  Embulk.logger.info("index_type => #{task['index_type']}")
  Embulk.logger.info("alias => #{task['alias']}")

  connection = Connection.new(task)
  before_delete_index = config.param("before_delete_index", :bool, default: false)
  if before_delete_index
    connection.delete_index(task['index'])
  end

  before_template_name = config.param("before_template_name", :string, default: nil)
  before_template = config.param("before_template", :hash, default: nil)
  if before_template_name && before_template
    connection.put_template(before_template_name, before_template)
  end

  task_reports = yield(task)
  next_config_diff = {}
  return next_config_diff
end

Instance Method Details

#abort ⇒ Object 



114
115
 
# File 'lib/embulk/output/elasticsearch_ruby.rb', line 114

def abort
end

#add(page) ⇒ Object 



90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
 
# File 'lib/embulk/output/elasticsearch_ruby.rb', line 90

def add(page)
  page.each do |record|
    hash = Hash[schema.names.zip(record)]
    meta = @connection.generate_meta(hash)
    source = @connection.generate_source(hash)

    Embulk.logger.debug("meta => #{meta}")
    Embulk.logger.debug("source => #{source}")

    @bulk_message << meta
    @bulk_message << source
    if @bulk_actions * 2 <= @bulk_message.size
      @connection.send(@bulk_message)
      @bulk_message.clear
    end
  end
end

#close ⇒ Object 



87
88
 
# File 'lib/embulk/output/elasticsearch_ruby.rb', line 87

def close
end

#commit ⇒ Object 



117
118
119
120
 
# File 'lib/embulk/output/elasticsearch_ruby.rb', line 117

def commit
  task_report = {}
  return task_report
end

#finish ⇒ Object 



108
109
110
111
112
 
# File 'lib/embulk/output/elasticsearch_ruby.rb', line 108

def finish
  if @bulk_message.size > 0
    @connection.send(@bulk_message)
  end
end

#init ⇒ Object

def self.resume(task, schema, count, &control)

task_reports = yield(task)

next_config_diff = {}
return next_config_diff

end



81
82
83
84
85
 
# File 'lib/embulk/output/elasticsearch_ruby.rb', line 81

def init
  @connection = Connection.new(task)
  @bulk_actions = task["bulk_actions"]
  @bulk_message = []
end