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Add an option to expose Prometheus metrics via http/s server
Signed-off-by: Botond Szirtes <botond.szirtes@est.tech>
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| // Copyright (c) 2024 Nordix Foundation. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at: | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
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| package stats | ||
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||
| import ( | ||
| "sync" | ||
|
|
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| prom "github.com/networkservicemesh/sdk/pkg/tools/prometheus" | ||
| "github.com/prometheus/client_golang/prometheus" | ||
| ) | ||
|
|
||
| var ( | ||
| prometheusInitOnce sync.Once | ||
|
|
||
| // Total received bytes by client | ||
| ClientRxBytes = prometheus.NewGauge( | ||
| prometheus.GaugeOpts{ | ||
| Name: "client_rx_bytes_total", | ||
| Help: "Total received bytes by client", | ||
| }, | ||
| ) | ||
| // Total transmitted bytes by client | ||
| ClientTxBytes = prometheus.NewGauge( | ||
| prometheus.GaugeOpts{ | ||
| Name: "client_tx_bytes_total", | ||
| Help: "Total transmitted bytes by client", | ||
| }, | ||
| ) | ||
| // Total received packets by client | ||
| ClientRxPackets = prometheus.NewGauge( | ||
| prometheus.GaugeOpts{ | ||
| Name: "client_rx_packets_total", | ||
| Help: "Total received packets by client", | ||
| }, | ||
| ) | ||
| // Total transmitted packets by client | ||
| ClientTxPackets = prometheus.NewGauge( | ||
| prometheus.GaugeOpts{ | ||
| Name: "client_tx_packets_total", | ||
| Help: "Total transmitted packets by client", | ||
| }, | ||
| ) | ||
| // Total drops by client | ||
| ClientDrops = prometheus.NewGauge( | ||
| prometheus.GaugeOpts{ | ||
| Name: "client_drops_total", | ||
| Help: "Total drops by client", | ||
| }, | ||
| ) | ||
| // Total received bytes by server | ||
| ServerRxBytes = prometheus.NewGauge( | ||
| prometheus.GaugeOpts{ | ||
| Name: "server_rx_bytes_total", | ||
| Help: "Total received bytes by server", | ||
| }, | ||
| ) | ||
| // Total transmitted bytes by server | ||
| ServerTxBytes = prometheus.NewGauge( | ||
| prometheus.GaugeOpts{ | ||
| Name: "server_tx_bytes_total", | ||
| Help: "Total transmitted bytes by server", | ||
| }, | ||
| ) | ||
| // Total received packets by server | ||
| ServerRxPackets = prometheus.NewGauge( | ||
| prometheus.GaugeOpts{ | ||
| Name: "server_rx_packets_total", | ||
| Help: "Total received packets by server", | ||
| }, | ||
| ) | ||
| // Total transmitted packets by server | ||
| ServerTxPackets = prometheus.NewGauge( | ||
| prometheus.GaugeOpts{ | ||
| Name: "server_tx_packets_total", | ||
| Help: "Total transmitted packets by server", | ||
| }, | ||
| ) | ||
| // Total drops by server | ||
| ServerDrops = prometheus.NewGauge( | ||
| prometheus.GaugeOpts{ | ||
| Name: "server_drops_total", | ||
| Help: "Total drops by server", | ||
| }, | ||
| ) | ||
| ) | ||
|
|
||
| func registerMetrics() { | ||
| if prom.IsEnabled() { | ||
| prometheus.MustRegister(ClientRxBytes) | ||
| prometheus.MustRegister(ClientTxBytes) | ||
| prometheus.MustRegister(ClientRxPackets) | ||
| prometheus.MustRegister(ClientTxPackets) | ||
| prometheus.MustRegister(ClientDrops) | ||
| prometheus.MustRegister(ServerRxBytes) | ||
| prometheus.MustRegister(ServerTxBytes) | ||
| prometheus.MustRegister(ServerRxPackets) | ||
| prometheus.MustRegister(ServerTxPackets) | ||
| prometheus.MustRegister(ServerDrops) | ||
| } | ||
| } | ||
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