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# frozen_string_literal: true
# Copyright (C) 2025-present MongoDB Inc.
#
# Licensed under the Apache License, Version 2.0 (the 'License');
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an 'AS IS' BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
module Mongo
# Provides OpenTelemetry tracing capabilities for MongoDB operations.
module Tracing
# Creates a new OpenTelemetry tracer for instrumenting MongoDB operations.
#
# @param enabled [Boolean, nil] Whether tracing is enabled. Default to nil, which
# means it will check the environment variable OTEL_RUBY_INSTRUMENTATION_MONGODB_ENABLED.
# See +Mongo::Tracing::OpenTelemetry::Tracer+ for details.
# @param query_text_max_length [Integer, nil] Maximum length for captured query text. Default to nil,
# which means it will check the environment variable OTEL_RUBY_INSTRUMENTATION_MONGODB_QUERY_TEXT_MAX_LENGTH.
# See +Mongo::Tracing::OpenTelemetry::Tracer+ for details.
# @param otel_tracer [OpenTelemetry::Trace::Tracer, nil] Custom OpenTelemetry tracer instance.
#
# @return [Mongo::Tracing::OpenTelemetry::Tracer] Configured tracer instance.
def create_tracer(enabled: nil, query_text_max_length: nil, otel_tracer: nil)
OpenTelemetry::Tracer.new(
enabled: enabled,
query_text_max_length: query_text_max_length,
otel_tracer: otel_tracer
)
end
module_function :create_tracer
end
end
require 'mongo/tracing/open_telemetry'
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