mirror of
https://github.com/astaxie/beego.git
synced 2024-06-02 00:33:28 +00:00
76 lines
2.2 KiB
Go
76 lines
2.2 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 prometheus
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import (
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"context"
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"net/http"
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"strconv"
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"time"
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"github.com/prometheus/client_golang/prometheus"
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beego "github.com/astaxie/beego/pkg"
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"github.com/astaxie/beego/pkg/httplib"
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)
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type FilterChainBuilder struct {
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summaryVec prometheus.ObserverVec
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}
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func (builder *FilterChainBuilder) FilterChain(next httplib.Filter) httplib.Filter {
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builder.summaryVec = prometheus.NewSummaryVec(prometheus.SummaryOpts{
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Name: "beego",
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Subsystem: "remote_http_request",
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ConstLabels: map[string]string{
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"server": beego.BConfig.ServerName,
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"env": beego.BConfig.RunMode,
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"appname": beego.BConfig.AppName,
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},
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Help: "The statics info for remote http requests",
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}, []string{"proto", "scheme", "method", "host", "path", "status", "duration", "isError"})
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return func(ctx context.Context, req *httplib.BeegoHTTPRequest) (*http.Response, error) {
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startTime := time.Now()
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resp, err := next(ctx, req)
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endTime := time.Now()
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go builder.report(startTime, endTime, ctx, req, resp, err)
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return resp, err
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}
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}
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func (builder *FilterChainBuilder) report(startTime time.Time, endTime time.Time,
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ctx context.Context, req *httplib.BeegoHTTPRequest, resp *http.Response, err error) {
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proto := req.GetRequest().Proto
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scheme := req.GetRequest().URL.Scheme
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method := req.GetRequest().Method
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host := req.GetRequest().URL.Host
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path := req.GetRequest().URL.Path
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status := -1
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if resp != nil {
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status = resp.StatusCode
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}
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dur := int(endTime.Sub(startTime) / time.Millisecond)
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builder.summaryVec.WithLabelValues(proto, scheme, method, host, path,
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strconv.Itoa(status), strconv.Itoa(dur), strconv.FormatBool(err == nil))
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}
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