mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-12-03 15:31:05 +01:00
111 lines
4.0 KiB
Go
111 lines
4.0 KiB
Go
// Copyright 2015 The Prometheus Authors
|
|
// 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.
|
|
|
|
// +build !nonetdev
|
|
// +build linux freebsd openbsd dragonfly darwin
|
|
|
|
package collector
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
|
|
"github.com/go-kit/kit/log"
|
|
"github.com/go-kit/kit/log/level"
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"gopkg.in/alecthomas/kingpin.v2"
|
|
)
|
|
|
|
var (
|
|
netdevDeviceInclude = kingpin.Flag("collector.netdev.device-include", "Regexp of net devices to include (mutually exclusive to device-exclude).").String()
|
|
oldNetdevDeviceInclude = kingpin.Flag("collector.netdev.device-whitelist", "DEPRECATED: Use collector.netdev.device-include").Hidden().String()
|
|
netdevDeviceExclude = kingpin.Flag("collector.netdev.device-exclude", "Regexp of net devices to exclude (mutually exclusive to device-include).").String()
|
|
oldNetdevDeviceExclude = kingpin.Flag("collector.netdev.device-blacklist", "DEPRECATED: Use collector.netdev.device-exclude").Hidden().String()
|
|
)
|
|
|
|
type netDevCollector struct {
|
|
subsystem string
|
|
deviceFilter netDevFilter
|
|
metricDescs map[string]*prometheus.Desc
|
|
logger log.Logger
|
|
}
|
|
|
|
type netDevStats map[string]map[string]uint64
|
|
|
|
func init() {
|
|
registerCollector("netdev", defaultEnabled, NewNetDevCollector)
|
|
}
|
|
|
|
// NewNetDevCollector returns a new Collector exposing network device stats.
|
|
func NewNetDevCollector(logger log.Logger) (Collector, error) {
|
|
if *oldNetdevDeviceInclude != "" {
|
|
if *netdevDeviceInclude == "" {
|
|
level.Warn(logger).Log("msg", "--collector.netdev.device-whitelist is DEPRECATED and will be removed in 2.0.0, use --collector.netdev.device-include")
|
|
*netdevDeviceInclude = *oldNetdevDeviceInclude
|
|
} else {
|
|
return nil, errors.New("--collector.netdev.device-whitelist and --collector.netdev.device-include are mutually exclusive")
|
|
}
|
|
}
|
|
|
|
if *oldNetdevDeviceExclude != "" {
|
|
if *netdevDeviceExclude == "" {
|
|
level.Warn(logger).Log("msg", "--collector.netdev.device-blacklist is DEPRECATED and will be removed in 2.0.0, use --collector.netdev.device-exclude")
|
|
*netdevDeviceExclude = *oldNetdevDeviceExclude
|
|
} else {
|
|
return nil, errors.New("--collector.netdev.device-blacklist and --collector.netdev.device-exclude are mutually exclusive")
|
|
}
|
|
}
|
|
|
|
if *netdevDeviceExclude != "" && *netdevDeviceInclude != "" {
|
|
return nil, errors.New("device-exclude & device-include are mutually exclusive")
|
|
}
|
|
|
|
if *netdevDeviceExclude != "" {
|
|
level.Info(logger).Log("msg", "Parsed flag --collector.netdev.device-exclude", "flag", *netdevDeviceExclude)
|
|
}
|
|
|
|
if *netdevDeviceInclude != "" {
|
|
level.Info(logger).Log("msg", "Parsed Flag --collector.netdev.device-include", "flag", *netdevDeviceInclude)
|
|
}
|
|
|
|
return &netDevCollector{
|
|
subsystem: "network",
|
|
deviceFilter: newNetDevFilter(*netdevDeviceExclude, *netdevDeviceInclude),
|
|
metricDescs: map[string]*prometheus.Desc{},
|
|
logger: logger,
|
|
}, nil
|
|
}
|
|
|
|
func (c *netDevCollector) Update(ch chan<- prometheus.Metric) error {
|
|
netDev, err := getNetDevStats(&c.deviceFilter, c.logger)
|
|
if err != nil {
|
|
return fmt.Errorf("couldn't get netstats: %w", err)
|
|
}
|
|
for dev, devStats := range netDev {
|
|
for key, value := range devStats {
|
|
desc, ok := c.metricDescs[key]
|
|
if !ok {
|
|
desc = prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, c.subsystem, key+"_total"),
|
|
fmt.Sprintf("Network device statistic %s.", key),
|
|
[]string{"device"},
|
|
nil,
|
|
)
|
|
c.metricDescs[key] = desc
|
|
}
|
|
ch <- prometheus.MustNewConstMetric(desc, prometheus.CounterValue, float64(value), dev)
|
|
}
|
|
}
|
|
return nil
|
|
}
|