mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-11-30 02:48:45 +08:00
97 lines
3.0 KiB
Go
97 lines
3.0 KiB
Go
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License.
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package msgstream
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import (
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"context"
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"errors"
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"runtime"
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"github.com/opentracing/opentracing-go"
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"github.com/opentracing/opentracing-go/ext"
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"github.com/opentracing/opentracing-go/log"
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"github.com/milvus-io/milvus/internal/proto/commonpb"
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"github.com/milvus-io/milvus/internal/util/trace"
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)
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// ExtractFromPulsarMsgProperties extracts trace span from msg.properties.
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// And it will attach some default tags to the span.
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func ExtractFromPulsarMsgProperties(msg TsMsg, properties map[string]string) (opentracing.Span, bool) {
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if !allowTrace(msg) {
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return trace.NoopSpan(), false
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}
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tracer := opentracing.GlobalTracer()
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sc, _ := tracer.Extract(opentracing.TextMap, trace.PropertiesReaderWriter{PpMap: properties})
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name := "receive pulsar msg"
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opts := []opentracing.StartSpanOption{
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ext.RPCServerOption(sc),
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opentracing.Tags{
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"ID": msg.ID(),
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"Type": msg.Type(),
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"HashKeys": msg.HashKeys(),
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"Position": msg.Position(),
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}}
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return opentracing.StartSpan(name, opts...), true
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}
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// MsgSpanFromCtx extracts the span from context.
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// And it will attach some default tags to the span.
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func MsgSpanFromCtx(ctx context.Context, msg TsMsg, opts ...opentracing.StartSpanOption) (opentracing.Span, context.Context) {
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if ctx == nil {
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return trace.NoopSpan(), ctx
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}
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if !allowTrace(msg) {
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return trace.NoopSpan(), ctx
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}
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operationName := "send pulsar msg"
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opts = append(opts, opentracing.Tags{
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"ID": msg.ID(),
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"Type": msg.Type(),
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"HashKeys": msg.HashKeys(),
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"Position": msg.Position(),
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})
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var pcs [1]uintptr
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n := runtime.Callers(2, pcs[:])
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if n < 1 {
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span, ctx := opentracing.StartSpanFromContext(ctx, operationName, opts...)
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span.LogFields(log.Error(errors.New("runtime.Callers failed")))
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return span, ctx
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}
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file, line := runtime.FuncForPC(pcs[0]).FileLine(pcs[0])
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if parentSpan := opentracing.SpanFromContext(ctx); parentSpan != nil {
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opts = append(opts, opentracing.ChildOf(parentSpan.Context()))
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}
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span := opentracing.StartSpan(operationName, opts...)
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ctx = opentracing.ContextWithSpan(ctx, span)
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span.LogFields(log.String("filename", file), log.Int("line", line))
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return span, ctx
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}
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func allowTrace(in interface{}) bool {
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if in == nil {
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return false
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}
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switch res := in.(type) {
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case TsMsg:
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return !(res.Type() == commonpb.MsgType_TimeTick ||
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res.Type() == commonpb.MsgType_QueryNodeStats ||
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res.Type() == commonpb.MsgType_LoadIndex)
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default:
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return false
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}
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}
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