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MQTT: add integration test (elastic#16143)
* Create mosquitto image * MQTT input: add integration test * Fix * Verify connectivity * Fix * Fix: mage check * Fix * Fix * Fix: remove global var
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,170 @@ | ||
| // 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. | ||
|
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| // +build integration | ||
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| package mqtt | ||
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| import ( | ||
| "fmt" | ||
| "os" | ||
| "sync" | ||
| "testing" | ||
| "time" | ||
|
|
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| libmqtt "github.com/eclipse/paho.mqtt.golang" | ||
| "github.com/stretchr/testify/require" | ||
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| "github.com/elastic/beats/filebeat/channel" | ||
| "github.com/elastic/beats/filebeat/input" | ||
| "github.com/elastic/beats/libbeat/beat" | ||
| "github.com/elastic/beats/libbeat/common" | ||
| "github.com/elastic/beats/libbeat/logp" | ||
| ) | ||
|
|
||
| const ( | ||
| message = "hello-world" | ||
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| waitTimeout = 30 * time.Second | ||
| ) | ||
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| var ( | ||
| hostPort = fmt.Sprintf("tcp://%s:%s", | ||
| getOrDefault(os.Getenv("MOSQUITTO_HOST"), "mosquitto"), | ||
| getOrDefault(os.Getenv("MOSQUITTO_PORT"), "1883")) | ||
| topic = fmt.Sprintf("topic-%d", time.Now().UnixNano()) | ||
| ) | ||
|
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| type eventCaptor struct { | ||
| c chan struct{} | ||
| closeOnce sync.Once | ||
| closed bool | ||
| events chan beat.Event | ||
| } | ||
|
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||
| func newEventCaptor(events chan beat.Event) channel.Outleter { | ||
| return &eventCaptor{ | ||
| c: make(chan struct{}), | ||
| events: events, | ||
| } | ||
| } | ||
|
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| func (ec *eventCaptor) OnEvent(event beat.Event) bool { | ||
| ec.events <- event | ||
| return true | ||
| } | ||
|
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| func (ec *eventCaptor) Close() error { | ||
| ec.closeOnce.Do(func() { | ||
| ec.closed = true | ||
| close(ec.c) | ||
| }) | ||
| return nil | ||
| } | ||
|
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| func (ec *eventCaptor) Done() <-chan struct{} { | ||
| return ec.c | ||
| } | ||
|
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| func TestInput(t *testing.T) { | ||
| logp.TestingSetup(logp.WithSelectors("mqtt input", "libmqtt")) | ||
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| // Setup the input config. | ||
| config := common.MustNewConfigFrom(common.MapStr{ | ||
| "hosts": []string{hostPort}, | ||
| "topics": []string{topic}, | ||
| }) | ||
|
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| // Route input events through our captor instead of sending through ES. | ||
| eventsCh := make(chan beat.Event) | ||
| defer close(eventsCh) | ||
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| captor := newEventCaptor(eventsCh) | ||
| defer captor.Close() | ||
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| connector := channel.ConnectorFunc(func(_ *common.Config, _ beat.ClientConfig) (channel.Outleter, error) { | ||
| return channel.SubOutlet(captor), nil | ||
| }) | ||
|
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| // Mock the context. | ||
| inputContext := input.Context{ | ||
| Done: make(chan struct{}), | ||
| BeatDone: make(chan struct{}), | ||
| } | ||
|
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| // Setup the input | ||
| input, err := NewInput(config, connector, inputContext) | ||
| require.NoError(t, err) | ||
| require.NotNil(t, input) | ||
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| // Run the input. | ||
| input.Run() | ||
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| // Create Publisher | ||
| publisher := createPublisher(t) | ||
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| // Verify that event has been received | ||
| verifiedCh := make(chan struct{}) | ||
| defer close(verifiedCh) | ||
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| emitInputData(t, verifiedCh, publisher) | ||
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| event := <-eventsCh | ||
| verifiedCh <- struct{}{} | ||
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| val, err := event.GetValue("message") | ||
| require.NoError(t, err) | ||
| require.Equal(t, message, val) | ||
| } | ||
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| func createPublisher(t *testing.T) libmqtt.Client { | ||
| clientOptions := libmqtt.NewClientOptions(). | ||
| SetClientID("emitter"). | ||
| SetAutoReconnect(false). | ||
| SetConnectRetry(false). | ||
| AddBroker(hostPort) | ||
| client := libmqtt.NewClient(clientOptions) | ||
| token := client.Connect() | ||
| require.True(t, token.WaitTimeout(waitTimeout)) | ||
| require.NoError(t, token.Error()) | ||
| return client | ||
| } | ||
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| func emitInputData(t *testing.T, verifiedCh <-chan struct{}, publisher libmqtt.Client) { | ||
| go func() { | ||
| ticker := time.NewTicker(time.Second) | ||
| defer ticker.Stop() | ||
|
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| for { | ||
| select { | ||
| case <-verifiedCh: | ||
| return | ||
| case <-ticker.C: | ||
| token := publisher.Publish(topic, 1, false, []byte(message)) | ||
| require.True(t, token.WaitTimeout(waitTimeout)) | ||
| require.NoError(t, token.Error()) | ||
| } | ||
| } | ||
| }() | ||
| } | ||
|
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| func getOrDefault(s, defaultString string) string { | ||
| if s == "" { | ||
| return defaultString | ||
| } | ||
| return s | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| FROM eclipse-mosquitto:1.6.8 | ||
| HEALTHCHECK --interval=1s --retries=600 CMD nc -z localhost 1883 |