You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.3 KiB
Go
43 lines
1.3 KiB
Go
package clientinterceptors
|
|
|
|
import (
|
|
"context"
|
|
"strconv"
|
|
|
|
"github.com/zeromicro/go-zero/core/metric"
|
|
"github.com/zeromicro/go-zero/core/timex"
|
|
"google.golang.org/grpc"
|
|
"google.golang.org/grpc/status"
|
|
)
|
|
|
|
const clientNamespace = "rpc_client"
|
|
|
|
var (
|
|
metricClientReqDur = metric.NewHistogramVec(&metric.HistogramVecOpts{
|
|
Namespace: clientNamespace,
|
|
Subsystem: "requests",
|
|
Name: "duration_ms",
|
|
Help: "rpc client requests duration(ms).",
|
|
Labels: []string{"method"},
|
|
Buckets: []float64{1, 2, 5, 10, 25, 50, 100, 250, 500, 1000, 2000, 5000},
|
|
})
|
|
|
|
metricClientReqCodeTotal = metric.NewCounterVec(&metric.CounterVecOpts{
|
|
Namespace: clientNamespace,
|
|
Subsystem: "requests",
|
|
Name: "code_total",
|
|
Help: "rpc client requests code count.",
|
|
Labels: []string{"method", "code"},
|
|
})
|
|
)
|
|
|
|
// PrometheusInterceptor is an interceptor that reports to prometheus server.
|
|
func PrometheusInterceptor(ctx context.Context, method string, req, reply any,
|
|
cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
|
|
startTime := timex.Now()
|
|
err := invoker(ctx, method, req, reply, cc, opts...)
|
|
metricClientReqDur.Observe(timex.Since(startTime).Milliseconds(), method)
|
|
metricClientReqCodeTotal.Inc(method, strconv.Itoa(int(status.Code(err))))
|
|
return err
|
|
}
|