mirror of
https://github.com/astaxie/beego.git
synced 2024-06-17 19:53:33 +00:00
72 lines
2.3 KiB
Go
72 lines
2.3 KiB
Go
// Copyright 2020 beego
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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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package opentracing
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import (
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"context"
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"net/http"
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"github.com/astaxie/beego/pkg/httplib"
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logKit "github.com/go-kit/kit/log"
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opentracingKit "github.com/go-kit/kit/tracing/opentracing"
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"github.com/opentracing/opentracing-go"
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)
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type FilterChainBuilder struct {
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// CustomSpanFunc users are able to custom their span
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CustomSpanFunc func(span opentracing.Span, ctx context.Context,
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req *httplib.BeegoHTTPRequest, resp *http.Response, err error)
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}
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func (builder *FilterChainBuilder) FilterChain(next httplib.Filter) httplib.Filter {
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return func(ctx context.Context, req *httplib.BeegoHTTPRequest) (*http.Response, error) {
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method := req.GetRequest().Method
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operationName := method + "#" + req.GetRequest().URL.String()
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span, spanCtx := opentracing.StartSpanFromContext(ctx, operationName)
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defer span.Finish()
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inject := opentracingKit.ContextToHTTP(opentracing.GlobalTracer(), logKit.NewNopLogger())
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inject(spanCtx, req.GetRequest())
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resp, err := next(spanCtx, req)
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if resp != nil {
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span.SetTag("http.status_code", resp.StatusCode)
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}
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span.SetTag("http.method", method)
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span.SetTag("peer.hostname", req.GetRequest().URL.Host)
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span.SetTag("http.url", req.GetRequest().URL.String())
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span.SetTag("http.scheme", req.GetRequest().URL.Scheme)
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span.SetTag("span.kind", "client")
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span.SetTag("component", "beego")
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if err != nil {
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span.SetTag("error", true)
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span.SetTag("message", err.Error())
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} else if resp != nil && !(resp.StatusCode < 300 && resp.StatusCode >= 200) {
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span.SetTag("error", true)
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}
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span.SetTag("peer.address", req.GetRequest().RemoteAddr)
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span.SetTag("http.proto", req.GetRequest().Proto)
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if builder.CustomSpanFunc != nil {
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builder.CustomSpanFunc(span, ctx, req, resp, err)
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}
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return resp, err
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}
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}
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