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Add performance test for syslog receiver (open-telemetry#2942)
Resolved #2528
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| // Copyright OpenTelemetry 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 datasenders | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "context" | ||
| "fmt" | ||
| "net" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "go.opentelemetry.io/collector/consumer/pdata" | ||
| "go.opentelemetry.io/collector/testbed/testbed" | ||
| ) | ||
|
|
||
| type SyslogWriter struct { | ||
| testbed.DataSenderBase | ||
| conn net.Conn | ||
| buf []string | ||
| bufSize int | ||
| network string | ||
| } | ||
|
|
||
| var _ testbed.LogDataSender = (*SyslogWriter)(nil) | ||
|
|
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| func NewSyslogWriter(network string, host string, port int, batchSize int) *SyslogWriter { | ||
| f := &SyslogWriter{ | ||
| network: network, | ||
| bufSize: batchSize, | ||
| DataSenderBase: testbed.DataSenderBase{ | ||
| Port: port, | ||
| Host: host, | ||
| }, | ||
| } | ||
| return f | ||
| } | ||
|
|
||
| func (f *SyslogWriter) GetEndpoint() net.Addr { | ||
| var addr net.Addr | ||
| switch f.network { | ||
| case "udp": | ||
| addr, _ = net.ResolveUDPAddr(f.network, fmt.Sprintf("%s:%d", f.Host, f.Port)) | ||
|
|
||
| default: | ||
| addr, _ = net.ResolveTCPAddr(f.network, fmt.Sprintf("%s:%d", f.Host, f.Port)) | ||
| } | ||
| return addr | ||
| } | ||
|
|
||
| func (f *SyslogWriter) Start() (err error) { | ||
| f.conn, err = net.Dial(f.GetEndpoint().Network(), f.GetEndpoint().String()) | ||
| // udp not ack, can't use net.Dial to check udp server is ready, use sleep 1 second to wait udp server start | ||
| if f.network == "udp" { | ||
| time.Sleep(1 * time.Second) | ||
| } | ||
| return err | ||
| } | ||
|
|
||
| func (f *SyslogWriter) ConsumeLogs(_ context.Context, logs pdata.Logs) error { | ||
| for i := 0; i < logs.ResourceLogs().Len(); i++ { | ||
| for j := 0; j < logs.ResourceLogs().At(i).InstrumentationLibraryLogs().Len(); j++ { | ||
| ills := logs.ResourceLogs().At(i).InstrumentationLibraryLogs().At(j) | ||
| for k := 0; k < ills.Logs().Len(); k++ { | ||
| err := f.Send(ills.Logs().At(k)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (f *SyslogWriter) GenConfigYAMLStr() string { | ||
| return fmt.Sprintf(` | ||
| syslog: | ||
| protocol: rfc5424 | ||
| %s: | ||
| listen_address: "%s" | ||
| `, f.network, f.GetEndpoint()) | ||
| } | ||
| func (f *SyslogWriter) Send(lr pdata.LogRecord) error { | ||
| ts := time.Unix(int64(lr.Timestamp()/1000000000), int64(lr.Timestamp()%100000000)).Format(time.RFC3339Nano) | ||
| sdid := strings.Builder{} | ||
| sdid.WriteString(fmt.Sprintf("%s=\"%s\" ", "trace_id", lr.TraceID().HexString())) | ||
| sdid.WriteString(fmt.Sprintf("%s=\"%s\" ", "span_id", lr.SpanID().HexString())) | ||
| sdid.WriteString(fmt.Sprintf("%s=\"%d\" ", "trace_flags", lr.Flags())) | ||
| lr.Attributes().ForEach(func(k string, v pdata.AttributeValue) { | ||
| sdid.WriteString(fmt.Sprintf("%s=\"%s\" ", k, v.StringVal())) | ||
| }) | ||
| msg := fmt.Sprintf("<166> %s localhost %s - - [%s] %s\n", ts, lr.Name(), sdid.String(), lr.Body().StringVal()) | ||
|
|
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| f.buf = append(f.buf, msg) | ||
| return f.SendCheck() | ||
| } | ||
|
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| func (f *SyslogWriter) SendCheck() error { | ||
| if len(f.buf) == f.bufSize { | ||
| b := bytes.NewBufferString("") | ||
| for _, v := range f.buf { | ||
| b.WriteString(v) | ||
| } | ||
|
|
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| _, err := f.conn.Write(b.Bytes()) | ||
| f.buf = []string{} | ||
| if err != nil { | ||
| return nil | ||
| } | ||
|
|
||
| } | ||
| return nil | ||
| } | ||
|
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| func (f *SyslogWriter) Flush() { | ||
| } | ||
|
|
||
| func (f *SyslogWriter) ProtocolName() string { | ||
| return "syslog" | ||
| } |
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