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This commit is contained in:
Ming Deng
2021-01-23 21:39:40 +08:00
parent 422498af8d f9ee9099a8
commit fa39135f0e
8 changed files with 102 additions and 43 deletions
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31
client/httplib/filter/prometheus/filter.go
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@@ -18,6 +18,7 @@ import (
"context"
"net/http"
"strconv"
"sync"
"time"
"github.com/prometheus/client_golang/prometheus"
@@ -26,24 +27,30 @@ import (
)
type FilterChainBuilder struct {
summaryVec prometheus.ObserverVec
AppName string
ServerName string
RunMode string
}
var summaryVec prometheus.ObserverVec
var initSummaryVec sync.Once
func (builder *FilterChainBuilder) FilterChain(next httplib.Filter) httplib.Filter {
builder.summaryVec = prometheus.NewSummaryVec(prometheus.SummaryOpts{
Name: "beego",
Subsystem: "remote_http_request",
ConstLabels: map[string]string{
"server": builder.ServerName,
"env": builder.RunMode,
"appname": builder.AppName,
},
Help: "The statics info for remote http requests",
}, []string{"proto", "scheme", "method", "host", "path", "status", "isError"})
initSummaryVec.Do(func() {
summaryVec = prometheus.NewSummaryVec(prometheus.SummaryOpts{
Name: "beego",
Subsystem: "remote_http_request",
ConstLabels: map[string]string{
"server": builder.ServerName,
"env": builder.RunMode,
"appname": builder.AppName,
},
Help: "The statics info for remote http requests",
}, []string{"proto", "scheme", "method", "host", "path", "status", "isError"})
prometheus.MustRegister(summaryVec)
})
return func(ctx context.Context, req *httplib.BeegoHTTPRequest) (*http.Response, error) {
startTime := time.Now()
@@ -72,6 +79,6 @@ func (builder *FilterChainBuilder) report(startTime time.Time, endTime time.Time
dur := int(endTime.Sub(startTime) / time.Millisecond)
builder.summaryVec.WithLabelValues(proto, scheme, method, host, path,
summaryVec.WithLabelValues(proto, scheme, method, host, path,
strconv.Itoa(status), strconv.FormatBool(err != nil)).Observe(float64(dur))
}