Replace go-grpc-prometheus with go-grpc-middleware/providers/prometheus

Fixes #9806

go-grpc-prometheus is deprecated. The new location it was moved to also introduced
an entirely new api, but afaict this matches what we have at the moment.

Signed-off-by: Danny Canter <danny@dcantah.dev>

vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/client_options.go

@@ -0,0 +1,77 @@
+// Copyright (c) The go-grpc-middleware Authors.
+// Licensed under the Apache License 2.0.
+
+package prometheus
+
+import (
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+type clientMetricsConfig struct {
+	counterOpts counterOptions
+	// clientHandledHistogram can be nil.
+	clientHandledHistogram *prometheus.HistogramVec
+	// clientStreamRecvHistogram can be nil.
+	clientStreamRecvHistogram *prometheus.HistogramVec
+	// clientStreamSendHistogram can be nil.
+	clientStreamSendHistogram *prometheus.HistogramVec
+}
+
+type ClientMetricsOption func(*clientMetricsConfig)
+
+func (c *clientMetricsConfig) apply(opts []ClientMetricsOption) {
+	for _, o := range opts {
+		o(c)
+	}
+}
+
+func WithClientCounterOptions(opts ...CounterOption) ClientMetricsOption {
+	return func(o *clientMetricsConfig) {
+		o.counterOpts = opts
+	}
+}
+
+// WithClientHandlingTimeHistogram turns on recording of handling time of RPCs.
+// Histogram metrics can be very expensive for Prometheus to retain and query.
+func WithClientHandlingTimeHistogram(opts ...HistogramOption) ClientMetricsOption {
+	return func(o *clientMetricsConfig) {
+		o.clientHandledHistogram = prometheus.NewHistogramVec(
+			histogramOptions(opts).apply(prometheus.HistogramOpts{
+				Name:    "grpc_client_handling_seconds",
+				Help:    "Histogram of response latency (seconds) of the gRPC until it is finished by the application.",
+				Buckets: prometheus.DefBuckets,
+			}),
+			[]string{"grpc_type", "grpc_service", "grpc_method"},
+		)
+	}
+}
+
+// WithClientStreamRecvHistogram turns on recording of single message receive time of streaming RPCs.
+// Histogram metrics can be very expensive for Prometheus to retain and query.
+func WithClientStreamRecvHistogram(opts ...HistogramOption) ClientMetricsOption {
+	return func(o *clientMetricsConfig) {
+		o.clientStreamRecvHistogram = prometheus.NewHistogramVec(
+			histogramOptions(opts).apply(prometheus.HistogramOpts{
+				Name:    "grpc_client_msg_recv_handling_seconds",
+				Help:    "Histogram of response latency (seconds) of the gRPC single message receive.",
+				Buckets: prometheus.DefBuckets,
+			}),
+			[]string{"grpc_type", "grpc_service", "grpc_method"},
+		)
+	}
+}
+
+// WithClientStreamSendHistogram turns on recording of single message send time of streaming RPCs.
+// Histogram metrics can be very expensive for Prometheus to retain and query.
+func WithClientStreamSendHistogram(opts ...HistogramOption) ClientMetricsOption {
+	return func(o *clientMetricsConfig) {
+		o.clientStreamSendHistogram = prometheus.NewHistogramVec(
+			histogramOptions(opts).apply(prometheus.HistogramOpts{
+				Name:    "grpc_client_msg_send_handling_seconds",
+				Help:    "Histogram of response latency (seconds) of the gRPC single message send.",
+				Buckets: prometheus.DefBuckets,
+			}),
+			[]string{"grpc_type", "grpc_service", "grpc_method"},
+		)
+	}
+}