mirror of
https://gitee.com/milvus-io/milvus.git
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88 lines
2.8 KiB
Go
88 lines
2.8 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "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
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package msgstream
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import (
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"context"
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"github.com/milvus-io/milvus-proto/go-api/commonpb"
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"go.opentelemetry.io/otel"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/propagation"
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"go.opentelemetry.io/otel/trace"
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)
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// ExtractCtx 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 ExtractCtx(msg TsMsg, properties map[string]string) (context.Context, trace.Span) {
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ctx := msg.TraceCtx()
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if ctx == nil {
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ctx = context.Background()
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}
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if !allowTrace(msg) {
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return ctx, trace.SpanFromContext(ctx)
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}
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ctx = otel.GetTextMapPropagator().Extract(ctx, propagation.MapCarrier(properties))
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name := "ReceieveMsg"
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return otel.Tracer(name).Start(ctx, name, trace.WithAttributes(
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attribute.Int64("ID", msg.ID()),
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attribute.String("Type", msg.Type().String()),
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// attribute.Int64Value("HashKeys", msg.HashKeys()),
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attribute.String("Position", msg.Position().String()),
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))
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}
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// InjectCtx is a method inject span to pulsr message.
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func InjectCtx(sc context.Context, properties map[string]string) {
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if sc == nil {
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return
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}
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otel.GetTextMapPropagator().Inject(sc, propagation.MapCarrier(properties))
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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) (context.Context, trace.Span) {
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if ctx == nil {
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return ctx, trace.SpanFromContext(ctx)
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}
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if !allowTrace(msg) {
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return ctx, trace.SpanFromContext(ctx)
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}
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operationName := "SendMsg"
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opts := trace.WithAttributes(
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attribute.Int64("ID", msg.ID()),
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attribute.String("Type", msg.Type().String()),
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// attribute.Int64Value("HashKeys", msg.HashKeys()),
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attribute.String("Position", msg.Position().String()),
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)
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return otel.Tracer(operationName).Start(ctx, operationName, opts)
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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_LoadIndex)
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default:
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return false
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}
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}
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