Class: Embulk::Output::Influxdb

Inherits:
OutputPlugin
  • Object
show all
Defined in:
lib/embulk/output/influxdb.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.replaced_measurements ⇒ Object

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

task_reports = yield(task)

next_config_diff = {}
return next_config_diff

end



56
57
58
 
# File 'lib/embulk/output/influxdb.rb', line 56

def self.replaced_measurements
  @replaced_measurements ||= {}
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
 
# File 'lib/embulk/output/influxdb.rb', line 10

def self.transaction(config, schema, count, &control)
  # configuration code:
  task = {
    "host" => config.param("host", :string, default: nil),
    "hosts" => config.param("hosts", :array, default: nil),
    "port" => config.param("port", :integer, default: 8086),
    "username" => config.param("username", :string, default: "root"),
    "password" => config.param("password", :string, default: "root"),
    "database" => config.param("database", :string),
    "series" => config.param("series", :string, default: nil),
    "series_per_column" => config.param("series_per_column", :bool, default: false),
    "timestamp_column" => config.param("timestamp_column", :string, default: nil),
    "ignore_columns" => config.param("ignore_columns", :array, default: []),
    "tag_columns" => config.param("tag_columns", :array, default: []),
    "default_timezone" => config.param("default_timezone", :string, default: "UTC"),
    "mode" => config.param("mode", :string, default: "insert"),
    "use_ssl" => config.param("use_ssl", :bool, default: false),
    "verify" => config.param("verify_ssl", :bool, default: true),
    "ssl_ca_cert" => config.param("ssl_ca_cert", :string, default: nil),
    "time_precision" => config.param("time_precision", :string, default: "s"),
    "initial_delay" => config.param("initial_delay", :float, default: 0.01),
    "max_delay" => config.param("max_delay", :float, default: 30),
    "open_timeout" => config.param("open_timeout", :integer, default: 5),
    "read_timeout" => config.param("read_timeout", :integer, default: 300),
    "async" => config.param("async", :bool, default: false),
    "udp" => config.param("udp", :bool, default: false),
    "retry" => config.param("retry", :integer, default: nil),
    "denormalize" => config.param("denormalize", :bool, default: true),
  }

  # resumable output:
  # resume(task, schema, count, &control)

  # non-resumable output:
  task_reports = yield(task)
  next_config_diff = {}
  return next_config_diff
end

Instance Method Details

#abort ⇒ Object 



100
101
 
# File 'lib/embulk/output/influxdb.rb', line 100

def abort
end

#add(page) ⇒ Object 



88
89
90
91
92
93
94
95
 
# File 'lib/embulk/output/influxdb.rb', line 88

def add(page)
  data = @series ? build_payload(page) : build_payload_per_column(page)

  Embulk.logger.info { "embulk-output-influxdb: Writing to #{@database}" }
  Embulk.logger.debug { "embulk-output-influxdb: #{data}" }

  @connection.write_points(data, @time_precision)
end

#close ⇒ Object 



85
86
 
# File 'lib/embulk/output/influxdb.rb', line 85

def close
end

#commit ⇒ Object 



103
104
105
106
 
# File 'lib/embulk/output/influxdb.rb', line 103

def commit
  task_report = {}
  return task_report
end

#finish ⇒ Object 



97
98
 
# File 'lib/embulk/output/influxdb.rb', line 97

def finish
end

#init ⇒ Object 



60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
 
# File 'lib/embulk/output/influxdb.rb', line 60

def init
  # initialization code:
  task["hosts"] ||= Array(task["host"] || "localhost")
  @database = task["database"]
  @series = task["series"]
  @series_per_column = task["series_per_column"]
  @tag_columns = task["tag_columns"]
  unless @series
    raise "Need series or series_per_column parameter" unless @series_per_column
    raise "Need series parameter when you specify tag_columns" unless @tag_columns.empty?
  end
  if task["timestamp_column"]
    @timestamp_column = schema.find { |col| col.name == task["timestamp_column"] }
  end
  @ignore_columns = task["ignore_columns"]
  @time_precision = task["time_precision"]
  @replace = task["mode"].downcase == "replace"
  @default_timezone = task["default_timezone"]

  @connection = InfluxDB::Client.new(@database,
    task.map { |k, v| [k.to_sym, v] }.to_h
  )
  create_database_if_not_exist
end