2020-08-10 15:04:57 +00:00
|
|
|
// Copyright 2020 beego
|
2020-08-09 14:59:08 +00:00
|
|
|
//
|
|
|
|
// 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 opentracing
|
|
|
|
|
|
|
|
import (
|
|
|
|
"context"
|
|
|
|
"net/http"
|
|
|
|
|
2020-08-10 15:04:57 +00:00
|
|
|
"github.com/astaxie/beego/pkg/httplib"
|
2020-08-09 14:59:08 +00:00
|
|
|
logKit "github.com/go-kit/kit/log"
|
|
|
|
opentracingKit "github.com/go-kit/kit/tracing/opentracing"
|
|
|
|
"github.com/opentracing/opentracing-go"
|
|
|
|
)
|
|
|
|
|
|
|
|
type FilterChainBuilder struct {
|
|
|
|
// CustomSpanFunc users are able to custom their span
|
|
|
|
CustomSpanFunc func(span opentracing.Span, ctx context.Context,
|
|
|
|
req *httplib.BeegoHTTPRequest, resp *http.Response, err error)
|
|
|
|
}
|
|
|
|
|
|
|
|
func (builder *FilterChainBuilder) FilterChain(next httplib.Filter) httplib.Filter {
|
|
|
|
|
|
|
|
return func(ctx context.Context, req *httplib.BeegoHTTPRequest) (*http.Response, error) {
|
|
|
|
|
|
|
|
method := req.GetRequest().Method
|
|
|
|
|
2020-08-10 15:04:57 +00:00
|
|
|
operationName := method + "#" + req.GetRequest().URL.String()
|
2020-08-09 14:59:08 +00:00
|
|
|
span, spanCtx := opentracing.StartSpanFromContext(ctx, operationName)
|
|
|
|
defer span.Finish()
|
|
|
|
|
|
|
|
inject := opentracingKit.ContextToHTTP(opentracing.GlobalTracer(), logKit.NewNopLogger())
|
|
|
|
inject(spanCtx, req.GetRequest())
|
|
|
|
resp, err := next(spanCtx, req)
|
|
|
|
|
|
|
|
if resp != nil {
|
2020-08-10 15:04:57 +00:00
|
|
|
span.SetTag("http.status_code", resp.StatusCode)
|
2020-08-09 14:59:08 +00:00
|
|
|
}
|
2020-08-10 15:04:57 +00:00
|
|
|
span.SetTag("http.method", method)
|
|
|
|
span.SetTag("peer.hostname", req.GetRequest().URL.Host)
|
|
|
|
span.SetTag("http.url", req.GetRequest().URL.String())
|
|
|
|
span.SetTag("http.scheme", req.GetRequest().URL.Scheme)
|
|
|
|
span.SetTag("span.kind", "client")
|
|
|
|
span.SetTag("component", "beego")
|
2020-08-09 14:59:08 +00:00
|
|
|
if err != nil {
|
2020-08-10 15:04:57 +00:00
|
|
|
span.SetTag("error", true)
|
|
|
|
span.SetTag("message", err.Error())
|
|
|
|
} else if resp != nil && !(resp.StatusCode < 300 && resp.StatusCode >= 200) {
|
|
|
|
span.SetTag("error", true)
|
2020-08-09 14:59:08 +00:00
|
|
|
}
|
|
|
|
|
2020-08-10 15:04:57 +00:00
|
|
|
span.SetTag("peer.address", req.GetRequest().RemoteAddr)
|
|
|
|
span.SetTag("http.proto", req.GetRequest().Proto)
|
|
|
|
|
2020-08-09 14:59:08 +00:00
|
|
|
if builder.CustomSpanFunc != nil {
|
|
|
|
builder.CustomSpanFunc(span, ctx, req, resp, err)
|
|
|
|
}
|
|
|
|
return resp, err
|
|
|
|
}
|
|
|
|
}
|