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Add filebeat receiver and otel consumer output
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| // 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. | ||
|
|
||
| package otelconsumer | ||
|
|
||
| import ( | ||
| "github.com/elastic/elastic-agent-libs/config" | ||
| ) | ||
|
|
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| type otelConsumerConfig struct { | ||
| Queue config.Namespace `config:"queue"` | ||
| } | ||
|
|
||
| func defaultConfig() otelConsumerConfig { | ||
| return otelConsumerConfig{} | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,159 @@ | ||
| // 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. | ||
|
|
||
| package otelconsumer | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "time" | ||
|
|
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| "github.com/elastic/beats/v7/libbeat/beat" | ||
| "github.com/elastic/beats/v7/libbeat/outputs" | ||
| "github.com/elastic/beats/v7/libbeat/publisher" | ||
| "github.com/elastic/elastic-agent-libs/config" | ||
| "github.com/elastic/elastic-agent-libs/mapstr" | ||
|
|
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| "go.opentelemetry.io/collector/consumer" | ||
| "go.opentelemetry.io/collector/pdata/pcommon" | ||
| "go.opentelemetry.io/collector/pdata/plog" | ||
| ) | ||
|
|
||
| func init() { | ||
| outputs.RegisterType("otelconsumer", makeOtelConsumer) | ||
| } | ||
|
|
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| type otelConsumer struct { | ||
| observer outputs.Observer | ||
| logsConsumer consumer.Logs | ||
| beatInfo beat.Info | ||
| } | ||
|
|
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| func makeOtelConsumer(_ outputs.IndexManager, beat beat.Info, observer outputs.Observer, cfg *config.C) (outputs.Group, error) { | ||
|
|
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| out := &otelConsumer{ | ||
| observer: observer, | ||
| logsConsumer: beat.LogConsumer, | ||
| beatInfo: beat, | ||
| } | ||
|
|
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| ocConfig := defaultConfig() | ||
| if err := cfg.Unpack(&ocConfig); err != nil { | ||
| return outputs.Fail(err) | ||
| } | ||
| return outputs.Success(ocConfig.Queue, -1, 0, nil, out) | ||
| } | ||
|
|
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| // Close is a noop for otelconsumer | ||
| func (out *otelConsumer) Close() error { | ||
| return nil | ||
| } | ||
|
|
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| // Publish converts Beat events to Otel format and send to the next otel consumer | ||
| func (out *otelConsumer) Publish(ctx context.Context, batch publisher.Batch) error { | ||
| switch { | ||
| case out.logsConsumer != nil: | ||
| return out.logsPublish(ctx, batch) | ||
| default: | ||
| panic(fmt.Errorf("an otel consumer must be specified")) | ||
| } | ||
| } | ||
|
|
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| func (out *otelConsumer) logsPublish(_ context.Context, batch publisher.Batch) error { | ||
| defer batch.ACK() | ||
| st := out.observer | ||
| pLogs := plog.NewLogs() | ||
| resourceLogs := pLogs.ResourceLogs().AppendEmpty() | ||
| sourceLogs := resourceLogs.ScopeLogs().AppendEmpty() | ||
| logRecords := sourceLogs.LogRecords() | ||
|
|
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| events := batch.Events() | ||
| for _, event := range events { | ||
| logRecord := logRecords.AppendEmpty() | ||
| meta := event.Content.Meta.Clone() | ||
| meta["beat"] = out.beatInfo.Beat | ||
| meta["version"] = out.beatInfo.Version | ||
| meta["type"] = "_doc" | ||
|
|
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| beatEvent := event.Content.Fields.Clone() | ||
| beatEvent["@timestamp"] = event.Content.Timestamp | ||
| beatEvent["@metadata"] = meta | ||
| logRecord.SetTimestamp(pcommon.NewTimestampFromTime(event.Content.Timestamp)) | ||
| pcommonEvent := mapstrToPcommonMap(beatEvent) | ||
| pcommonEvent.CopyTo(logRecord.Body().SetEmptyMap()) | ||
| } | ||
|
|
||
| if err := out.logsConsumer.ConsumeLogs(context.TODO(), pLogs); err != nil { | ||
| return fmt.Errorf("error otel log consumer: %w", err) | ||
| } | ||
|
|
||
| st.NewBatch(len(events)) | ||
| st.AckedEvents(len(events)) | ||
| return nil | ||
| } | ||
|
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| func (out *otelConsumer) String() string { | ||
| return "otelconsumer" | ||
| } | ||
|
|
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| // mapstrToPcommonMap is necessary to convert from Beats mapstr to | ||
| // Otel Map. This step could be avoided if we choose to encode the | ||
| // Body as a slice of bytes. | ||
| func mapstrToPcommonMap(m mapstr.M) pcommon.Map { | ||
| out := pcommon.NewMap() | ||
| for k, v := range m { | ||
| switch x := v.(type) { | ||
| case string: | ||
| out.PutStr(k, x) | ||
| case int: | ||
| out.PutInt(k, int64(v.(int))) | ||
| case int8: | ||
| out.PutInt(k, int64(v.(int8))) | ||
| case int16: | ||
| out.PutInt(k, int64(v.(int16))) | ||
| case int32: | ||
| out.PutInt(k, int64(v.(int32))) | ||
| case int64: | ||
| out.PutInt(k, v.(int64)) | ||
| case uint: | ||
| out.PutInt(k, int64(v.(uint))) | ||
| case uint8: | ||
| out.PutInt(k, int64(v.(uint8))) | ||
| case uint16: | ||
| out.PutInt(k, int64(v.(uint16))) | ||
| case uint32: | ||
| out.PutInt(k, int64(v.(uint32))) | ||
| case uint64: | ||
| out.PutInt(k, int64(v.(uint64))) | ||
| case float32: | ||
| out.PutDouble(k, float64(v.(float32))) | ||
| case float64: | ||
| out.PutDouble(k, v.(float64)) | ||
| case bool: | ||
| out.PutBool(k, x) | ||
| case mapstr.M: | ||
| dest := out.PutEmptyMap(k) | ||
| newMap := mapstrToPcommonMap(x) | ||
| newMap.CopyTo(dest) | ||
| case time.Time: | ||
| out.PutInt(k, x.UnixMilli()) | ||
| default: | ||
| out.PutStr(k, fmt.Sprintf("unknown type: %T", x)) | ||
| } | ||
| } | ||
| return out | ||
| } |
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