Module: OpenTelemetry::Exporter::Jaeger::Encoder Private

Extended by:
Encoder
Included in:
Encoder
Defined in:
lib/opentelemetry/exporter/jaeger/encoder.rb

This module is part of a private API. You should avoid using this module if possible, as it may be removed or be changed in the future.

Instance Method Summary collapse

Instance Method Details

#encoded_instrumentation_library(instrumentation_library) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



133
134
135
136
137
138
139
140
 
# File 'lib/opentelemetry/exporter/jaeger/encoder.rb', line 133

def encoded_instrumentation_library(instrumentation_library)
  return EMPTY_ARRAY unless instrumentation_library

  tags = []
  tags << encoded_tag('otel.library.name', instrumentation_library.name) if instrumentation_library.name
  tags << encoded_tag('otel.library.version', instrumentation_library.version) if instrumentation_library.version
  tags
end

#encoded_kind(kind) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



88
89
90
91
92
93
94
95
96
97
98
99
 
# File 'lib/opentelemetry/exporter/jaeger/encoder.rb', line 88

def encoded_kind(kind)
  value = KIND_MAP[kind]
  return EMPTY_ARRAY unless value

  Array(
    Thrift::Tag.new(
      KEY => 'span.kind',
      TYPE => Thrift::TagType::STRING,
      STRING => value
    )
  )
end

#encoded_logs(events) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



101
102
103
104
105
106
107
108
 
# File 'lib/opentelemetry/exporter/jaeger/encoder.rb', line 101

def encoded_logs(events)
  events&.map do |event|
    Thrift::Log.new(
      'timestamp' => (event.timestamp.to_f * 1_000_000).to_i,
      'fields' => encoded_tags(event.attributes) + encoded_tags('name' => event.name)
    )
  end
end

#encoded_process(resource) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



35
36
37
38
39
40
41
42
43
 
# File 'lib/opentelemetry/exporter/jaeger/encoder.rb', line 35

def encoded_process(resource)
  service_name = 'unknown'
  tags = resource&.attribute_enumerator&.select do |key, value|
    service_name = value if key == 'service.name'
    key != 'service.name'
  end
  tags = encoded_tags(tags)
  Thrift::Process.new('serviceName' => service_name, 'tags' => tags)
end

#encoded_references(links) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



110
111
112
113
114
115
116
117
118
119
 
# File 'lib/opentelemetry/exporter/jaeger/encoder.rb', line 110

def encoded_references(links)
  links&.map do |link|
    Thrift::SpanRef.new(
      'refType' => Thrift::SpanRefType::CHILD_OF,
      'traceIdLow' => int64(link.span_context.trace_id[16, 16]),
      'traceIdHigh' => int64(link.span_context.trace_id[0, 16]),
      'spanId' => int64(link.span_context.span_id)
    )
  end
end

#encoded_span(span_data) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

rubocop:disable Metrics/AbcSize



66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
 
# File 'lib/opentelemetry/exporter/jaeger/encoder.rb', line 66

def encoded_span(span_data) # rubocop:disable Metrics/AbcSize
  start_time = (span_data.start_timestamp.to_f * 1_000_000).to_i
  duration = (span_data.end_timestamp.to_f * 1_000_000).to_i - start_time

  Thrift::Span.new(
    'traceIdLow' => int64(span_data.trace_id[8, 8]),
    'traceIdHigh' => int64(span_data.trace_id[0, 8]),
    'spanId' => int64(span_data.span_id),
    'parentSpanId' => int64(span_data.parent_span_id),
    'operationName' => span_data.name,
    'references' => encoded_references(span_data.links),
    'flags' => span_data.trace_flags.sampled? ? 1 : 0,
    'startTime' => start_time,
    'duration' => duration,
    'tags' => encoded_tags(span_data.attributes) +
        encoded_status(span_data.status) +
        encoded_kind(span_data.kind) +
        encoded_instrumentation_library(span_data.instrumentation_library),
    'logs' => encoded_logs(span_data.events)
  )
end

#encoded_status(status) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



121
122
123
124
125
126
127
128
129
130
131
 
# File 'lib/opentelemetry/exporter/jaeger/encoder.rb', line 121

def encoded_status(status)
  return EMPTY_ARRAY unless status&.code == OpenTelemetry::Trace::Status::ERROR

  Array(
    Thrift::Tag.new(
      KEY => 'error',
      TYPE => Thrift::TagType::BOOL,
      BOOL => true
    )
  )
end

#encoded_tag(key, value) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



51
52
53
54
55
56
57
58
59
60
61
62
63
64
 
# File 'lib/opentelemetry/exporter/jaeger/encoder.rb', line 51

def encoded_tag(key, value)
  value_key = case value
              when Integer then LONG
              when Float then DOUBLE
              when String, Array then STRING
              when false, true then BOOL
              end
  value = value.to_json if value.is_a?(Array)
  Thrift::Tag.new(
    KEY => key,
    TYPE => TYPE_MAP[value_key],
    value_key => value
  )
end

#encoded_tags(attributes) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



45
46
47
48
49
 
# File 'lib/opentelemetry/exporter/jaeger/encoder.rb', line 45

def encoded_tags(attributes)
  attributes&.map do |key, value|
    encoded_tag(key, value)
  end || EMPTY_ARRAY
end

#int64(byte_string) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



142
143
144
145
 
# File 'lib/opentelemetry/exporter/jaeger/encoder.rb', line 142

def int64(byte_string)
  int = byte_string.unpack1('Q>')
  int < (1 << 63) ? int : int - (1 << 64)
end