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kafka_test.go
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kafka_test.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 integration
import (
"os"
"strconv"
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/uber/jaeger-lib/metrics"
"go.uber.org/zap"
"github.com/jaegertracing/jaeger/cmd/ingester/app"
"github.com/jaegertracing/jaeger/cmd/ingester/app/builder"
"github.com/jaegertracing/jaeger/model"
"github.com/jaegertracing/jaeger/pkg/config"
"github.com/jaegertracing/jaeger/pkg/testutils"
"github.com/jaegertracing/jaeger/plugin/storage/kafka"
"github.com/jaegertracing/jaeger/plugin/storage/memory"
"github.com/jaegertracing/jaeger/storage/spanstore"
)
const defaultLocalKafkaBroker = "127.0.0.1:9092"
type KafkaIntegrationTestSuite struct {
StorageIntegration
logger *zap.Logger
}
func (s *KafkaIntegrationTestSuite) initialize() error {
s.logger, _ = testutils.NewLogger()
// A new topic is generated per execution to avoid data overlap
topic := "jaeger-kafka-integration-test-" + strconv.FormatInt(time.Now().UnixNano(), 10)
f := kafka.NewFactory()
v, command := config.Viperize(f.AddFlags, app.AddFlags)
command.ParseFlags([]string{
"--kafka.topic",
topic,
"--kafka.brokers",
defaultLocalKafkaBroker,
"--kafka.encoding",
"json",
"--ingester.brokers",
defaultLocalKafkaBroker,
"--ingester.topic",
topic,
"--ingester.group-id",
"kafka-integration-test",
"--ingester.parallelism",
"1000",
"--ingester.encoding",
"json",
})
f.InitFromViper(v)
if err := f.Initialize(metrics.NullFactory, s.logger); err != nil {
return err
}
spanWriter, err := f.CreateSpanWriter()
if err != nil {
return err
}
options := app.Options{}
options.InitFromViper(v)
traceStore := memory.NewStore()
spanConsumer, err := builder.CreateConsumer(s.logger, metrics.NullFactory, traceStore, options)
if err != nil {
return err
}
spanConsumer.Start()
s.SpanWriter = spanWriter
s.SpanReader = &ingester{traceStore}
s.Refresh = func() error { return nil }
s.CleanUp = func() error { return nil }
return nil
}
// The ingester consumes spans from kafka and writes them to an in-memory traceStore
type ingester struct {
traceStore *memory.Store
}
func (r *ingester) GetTrace(traceID model.TraceID) (*model.Trace, error) {
return r.traceStore.GetTrace(traceID)
}
func (r *ingester) GetServices() ([]string, error) {
return nil, nil
}
func (r *ingester) GetOperations(service string) ([]string, error) {
return nil, nil
}
func (r *ingester) FindTraces(query *spanstore.TraceQueryParameters) ([]*model.Trace, error) {
return nil, nil
}
func TestKafkaStorage(t *testing.T) {
if os.Getenv("STORAGE") != "kafka" {
t.Skip("Integration test against kafka skipped; set STORAGE env var to kafka to run this")
}
s := &KafkaIntegrationTestSuite{}
require.NoError(t, s.initialize())
t.Run("GetTrace", s.testGetTrace)
}