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Stored size: 1.82 KB
Contents
# frozen_string_literal: true
require_relative 'fetcher'
require_relative '../../../distributed/b3_multi'
require_relative '../../../distributed/b3_single'
require_relative '../../../distributed/datadog'
require_relative '../../../distributed/none'
require_relative '../../../distributed/propagation'
require_relative '../../../distributed/trace_context'
module Datadog
module Tracing
module Contrib
module GRPC
module Distributed
# Extracts and injects propagation through gRPC metadata.
# @see https://github.com/grpc/grpc-go/blob/v1.50.1/Documentation/grpc-metadata.md
class Propagation < Tracing::Distributed::Propagation
def initialize
super(
propagation_styles: {
Tracing::Configuration::Ext::Distributed::PROPAGATION_STYLE_B3_MULTI_HEADER =>
Tracing::Distributed::B3Multi.new(fetcher: Fetcher),
Tracing::Configuration::Ext::Distributed::PROPAGATION_STYLE_B3_SINGLE_HEADER =>
Tracing::Distributed::B3Single.new(fetcher: Fetcher),
Tracing::Configuration::Ext::Distributed::PROPAGATION_STYLE_DATADOG =>
Tracing::Distributed::Datadog.new(fetcher: Fetcher),
Tracing::Configuration::Ext::Distributed::PROPAGATION_STYLE_TRACE_CONTEXT =>
Tracing::Distributed::TraceContext.new(fetcher: Fetcher),
Tracing::Configuration::Ext::Distributed::PROPAGATION_STYLE_NONE => Tracing::Distributed::None.new
})
end
# DEV: Singleton kept until a larger refactor is performed.
# DEV: See {Datadog::Tracing::Distributed::Propagation#initialize} for more information.
INSTANCE = Propagation.new
end
end
end
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems