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84 lines
2.3 KiB
Go
84 lines
2.3 KiB
Go
/*
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* Copyright 2025 CloudWeGo Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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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*/
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package trace
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import (
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"context"
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"log"
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"os"
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ccb "github.com/cloudwego/eino-ext/callbacks/cozeloop"
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"github.com/cloudwego/eino/callbacks"
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"github.com/coze-dev/cozeloop-go"
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)
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type CloseFn func(ctx context.Context)
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type EndSpanFn func(ctx context.Context, output any)
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type StartSpanFn func(ctx context.Context, name string, input any) (nCtx context.Context, endFn EndSpanFn)
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func AppendCozeLoopCallbackIfConfigured(_ context.Context) (closeFn CloseFn, startSpanFn StartSpanFn) {
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// setup cozeloop
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// COZELOOP_WORKSPACE_ID=your workspace id
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// COZELOOP_API_TOKEN=your token
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wsID := os.Getenv("COZELOOP_WORKSPACE_ID") // use cozeloop trace, from https://loop.coze.cn/open/docs/cozeloop/go-sdk#4a8c980e
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apiKey := os.Getenv("COZELOOP_API_TOKEN")
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if wsID == "" || apiKey == "" {
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return func(ctx context.Context) {
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return
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}, buildStartSpanFn(nil)
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}
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client, err := cozeloop.NewClient(
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cozeloop.WithWorkspaceID(wsID),
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cozeloop.WithAPIToken(apiKey),
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)
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if err != nil {
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log.Fatalf("cozeloop.NewClient failed, err: %v", err)
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}
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// init once
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handler := ccb.NewLoopHandler(client)
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callbacks.AppendGlobalHandlers(handler)
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return client.Close, buildStartSpanFn(client)
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}
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func buildStartSpanFn(client cozeloop.Client) StartSpanFn {
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return func(ctx context.Context, name string, input any) (nCtx context.Context, endFn EndSpanFn) {
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if client == nil {
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return ctx, func(ctx context.Context, output any) {
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return
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}
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}
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nCtx, span := client.StartSpan(ctx, name, "custom")
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span.SetInput(ctx, input)
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return nCtx, buildEndSpanFn(span)
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}
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}
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func buildEndSpanFn(span cozeloop.Span) EndSpanFn {
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return func(ctx context.Context, output any) {
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if span == nil {
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return
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}
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span.SetOutput(ctx, output)
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span.Finish(ctx)
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}
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}
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