Module: Honeycomb::HoneycombPropagation::MarshalTraceContext

Includes:
Libhoney::Cleaner
Included in:
PropagationSerializer
Defined in:
lib/honeycomb/propagation/honeycomb.rb

Overview

Serialize trace headers

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.clean_data ⇒ Object

.clean_string ⇒ Object

.encode_dataset(dataset) ⇒ Object 



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# File 'lib/honeycomb/propagation/honeycomb.rb', line 102

def encode_dataset(dataset)
  URI.encode_www_form_component(dataset)
end

.encode_trace_fields(fields) ⇒ Object 



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# File 'lib/honeycomb/propagation/honeycomb.rb', line 93

def encode_trace_fields(fields)
  Base64.urlsafe_encode64(
    JSON.generate(
      clean_data(fields),
    ),
  ).strip
end

.parse_faraday_env(_env, propagation_context) ⇒ Object 



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# File 'lib/honeycomb/propagation/honeycomb.rb', line 77

def self.parse_faraday_env(_env, propagation_context)
  {
    "X-Honeycomb-Trace" => to_trace_header(propagation_context),
  }
end

.to_trace_header(propagation_context) ⇒ Object 



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# File 'lib/honeycomb/propagation/honeycomb.rb', line 83

def self.to_trace_header(propagation_context)
  data_to_propogate = [
    "dataset=#{encode_dataset(propagation_context.dataset)}",
    "trace_id=#{propagation_context.trace_id}",
    "parent_id=#{propagation_context.parent_id}",
    "context=#{encode_trace_fields(propagation_context.trace_fields)}",
  ]
  "1;#{data_to_propogate.join(',')}"
end

Instance Method Details

#to_trace_header ⇒ Object 



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# File 'lib/honeycomb/propagation/honeycomb.rb', line 67

def to_trace_header
  data_to_propogate = [
    "dataset=#{encode_dataset(builder.dataset)}",
    "trace_id=#{trace.id}",
    "parent_id=#{id}",
    "context=#{encode_trace_fields(trace.fields)}",
  ]
  "1;#{data_to_propogate.join(',')}"
end