mirror of
https://github.com/astaxie/beego.git
synced 2024-07-04 09:24:14 +00:00
86 lines
2.7 KiB
Go
86 lines
2.7 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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"strconv"
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"strings"
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"time"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/astaxie/beego/client/orm"
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)
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// FilterChainBuilder is an extension point,
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// when we want to support some configuration,
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// please use this structure
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// this Filter's behavior looks a little bit strange
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// for example:
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// if we want to records the metrics of QuerySetter
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// actually we only records metrics of invoking "QueryTable" and "QueryTableWithCtx"
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type FilterChainBuilder struct {
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summaryVec prometheus.ObserverVec
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AppName string
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ServerName string
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RunMode string
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}
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func (builder *FilterChainBuilder) FilterChain(next orm.Filter) orm.Filter {
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builder.summaryVec = prometheus.NewSummaryVec(prometheus.SummaryOpts{
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Name: "beego",
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Subsystem: "orm_operation",
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ConstLabels: map[string]string{
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"server": builder.ServerName,
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"env": builder.RunMode,
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"appname": builder.AppName,
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},
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Help: "The statics info for orm operation",
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}, []string{"method", "name", "duration", "insideTx", "txName"})
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return func(ctx context.Context, inv *orm.Invocation) []interface{} {
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startTime := time.Now()
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res := next(ctx, inv)
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endTime := time.Now()
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dur := (endTime.Sub(startTime)) / time.Millisecond
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// if the TPS is too large, here may be some problem
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// thinking about using goroutine pool
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go builder.report(ctx, inv, dur)
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return res
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}
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}
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func (builder *FilterChainBuilder) report(ctx context.Context, inv *orm.Invocation, dur time.Duration) {
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// start a transaction, we don't record it
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if strings.HasPrefix(inv.Method, "Begin") {
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return
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}
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if inv.Method == "Commit" || inv.Method == "Rollback" {
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builder.reportTxn(ctx, inv)
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return
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}
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builder.summaryVec.WithLabelValues(inv.Method, inv.GetTableName(), strconv.Itoa(int(dur)),
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strconv.FormatBool(inv.InsideTx), inv.TxName)
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}
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func (builder *FilterChainBuilder) reportTxn(ctx context.Context, inv *orm.Invocation) {
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dur := time.Now().Sub(inv.TxStartTime) / time.Millisecond
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builder.summaryVec.WithLabelValues(inv.Method, inv.TxName, strconv.Itoa(int(dur)),
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strconv.FormatBool(inv.InsideTx), inv.TxName)
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}
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