youtubebeat/vendor/github.com/elastic/beats/metricbeat/module/kafka/consumergroup/consumergroup_integration_test.go

92 lines
2.3 KiB
Go

// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you 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.
// +build integration
package consumergroup
import (
"fmt"
"io"
"os"
"testing"
"time"
saramacluster "github.com/bsm/sarama-cluster"
"github.com/pkg/errors"
"github.com/elastic/beats/libbeat/tests/compose"
mbtest "github.com/elastic/beats/metricbeat/mb/testing"
)
const (
kafkaDefaultHost = "localhost"
kafkaDefaultPort = "9092"
)
func TestData(t *testing.T) {
compose.EnsureUp(t, "kafka")
c, err := startConsumer(t, "metricbeat-test")
if err != nil {
t.Fatal(errors.Wrap(err, "starting kafka consumer"))
}
defer c.Close()
ms := mbtest.NewReportingMetricSetV2(t, getConfig())
for retries := 0; retries < 3; retries++ {
err = mbtest.WriteEventsReporterV2(ms, t, "")
if err == nil {
return
}
time.Sleep(500 * time.Millisecond)
}
t.Fatal("write", err)
}
func startConsumer(t *testing.T, topic string) (io.Closer, error) {
brokers := []string{getTestKafkaHost()}
topics := []string{topic}
return saramacluster.NewConsumer(brokers, "test-group", topics, nil)
}
func getConfig() map[string]interface{} {
return map[string]interface{}{
"module": "kafka",
"metricsets": []string{"consumergroup"},
"hosts": []string{getTestKafkaHost()},
}
}
func getTestKafkaHost() string {
return fmt.Sprintf("%v:%v",
getenv("KAFKA_HOST", kafkaDefaultHost),
getenv("KAFKA_PORT", kafkaDefaultPort),
)
}
func getenv(name, defaultValue string) string {
return strDefault(os.Getenv(name), defaultValue)
}
func strDefault(a, defaults string) string {
if len(a) == 0 {
return defaults
}
return a
}