OP#792 initial commit after fork

cmd/metrics-v3-system-network.go

@@ -0,0 +1,61 @@
+// Copyright (c) 2015-2024 MinIO, Inc.
+//
+// This file is part of MinIO Object Storage stack
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package cmd
+
+import (
+	"context"
+
+	"github.com/minio/minio/internal/rest"
+)
+
+const (
+	internodeErrorsTotal      MetricName = "errors_total"
+	internodeDialErrorsTotal  MetricName = "dial_errors_total"
+	internodeDialAvgTimeNanos MetricName = "dial_avg_time_nanos"
+	internodeSentBytesTotal   MetricName = "sent_bytes_total"
+	internodeRecvBytesTotal   MetricName = "recv_bytes_total"
+)
+
+var (
+	internodeErrorsTotalMD = NewCounterMD(internodeErrorsTotal,
+		"Total number of failed internode calls")
+	internodeDialedErrorsTotalMD = NewCounterMD(internodeDialErrorsTotal,
+		"Total number of internode TCP dial timeouts and errors")
+	internodeDialAvgTimeNanosMD = NewGaugeMD(internodeDialAvgTimeNanos,
+		"Average dial time of internode TCP calls in nanoseconds")
+	internodeSentBytesTotalMD = NewCounterMD(internodeSentBytesTotal,
+		"Total number of bytes sent to other peer nodes")
+	internodeRecvBytesTotalMD = NewCounterMD(internodeRecvBytesTotal,
+		"Total number of bytes received from other peer nodes")
+)
+
+// loadNetworkInternodeMetrics - reads internode network metrics.
+//
+// This is a `MetricsLoaderFn`.
+func loadNetworkInternodeMetrics(ctx context.Context, m MetricValues, _ *metricsCache) error {
+	connStats := globalConnStats.toServerConnStats()
+	rpcStats := rest.GetRPCStats()
+	if globalIsDistErasure {
+		m.Set(internodeErrorsTotal, float64(rpcStats.Errs))
+		m.Set(internodeDialErrorsTotal, float64(rpcStats.DialErrs))
+		m.Set(internodeDialAvgTimeNanos, float64(rpcStats.DialAvgDuration))
+		m.Set(internodeSentBytesTotal, float64(connStats.internodeOutputBytes))
+		m.Set(internodeRecvBytesTotal, float64(connStats.internodeInputBytes))
+	}
+	return nil
+}