forked from jaegertracing/jaeger
/
manager.go
53 lines (45 loc) · 1.82 KB
/
manager.go
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// Copyright (c) 2018 The Jaeger Authors.
//
// 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.
package grpc
import (
"context"
"errors"
"google.golang.org/grpc"
"github.com/jaegertracing/jaeger/model/converter/thrift/jaeger"
"github.com/jaegertracing/jaeger/proto-gen/api_v2"
"github.com/jaegertracing/jaeger/thrift-gen/baggage"
"github.com/jaegertracing/jaeger/thrift-gen/sampling"
)
// SamplingManager returns sampling decisions from collector over gRPC.
type SamplingManager struct {
client api_v2.SamplingManagerClient
}
// NewConfigManager creates gRPC sampling manager.
func NewConfigManager(conn *grpc.ClientConn) *SamplingManager {
return &SamplingManager{
client: api_v2.NewSamplingManagerClient(conn),
}
}
// GetSamplingStrategy returns sampling strategies from collector.
func (s *SamplingManager) GetSamplingStrategy(serviceName string) (*sampling.SamplingStrategyResponse, error) {
r, err := s.client.GetSamplingStrategy(context.Background(), &api_v2.SamplingStrategyParameters{ServiceName: serviceName})
if err != nil {
return nil, err
}
return jaeger.ConvertSamplingResponseFromDomain(r)
}
// GetBaggageRestrictions returns baggage restrictions from collector.
func (s *SamplingManager) GetBaggageRestrictions(serviceName string) ([]*baggage.BaggageRestriction, error) {
return nil, errors.New("baggage not implemented")
}