mirror of
https://github.com/prometheus-community/windows_exporter.git
synced 2026-02-08 05:56:37 +00:00
332 lines
8.7 KiB
Go
332 lines
8.7 KiB
Go
//go:build windows
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package net
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import (
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"fmt"
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"regexp"
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"github.com/alecthomas/kingpin/v2"
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"github.com/go-kit/log"
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"github.com/go-kit/log/level"
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"github.com/prometheus-community/windows_exporter/pkg/perflib"
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"github.com/prometheus-community/windows_exporter/pkg/types"
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"github.com/prometheus/client_golang/prometheus"
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)
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const Name = "net"
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type Config struct {
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NicInclude string `yaml:"nic_include"`
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NicExclude string `yaml:"nic_exclude"`
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}
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var ConfigDefaults = Config{
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NicInclude: ".+",
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NicExclude: "",
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}
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var nicNameToUnderscore = regexp.MustCompile("[^a-zA-Z0-9]")
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// A Collector is a Prometheus Collector for Perflib Network Interface metrics.
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type Collector struct {
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logger log.Logger
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nicInclude *string
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nicExclude *string
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bytesReceivedTotal *prometheus.Desc
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bytesSentTotal *prometheus.Desc
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bytesTotal *prometheus.Desc
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outputQueueLength *prometheus.Desc
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packetsOutboundDiscarded *prometheus.Desc
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packetsOutboundErrors *prometheus.Desc
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packetsTotal *prometheus.Desc
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packetsReceivedDiscarded *prometheus.Desc
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packetsReceivedErrors *prometheus.Desc
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packetsReceivedTotal *prometheus.Desc
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packetsReceivedUnknown *prometheus.Desc
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packetsSentTotal *prometheus.Desc
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currentBandwidth *prometheus.Desc
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nicIncludePattern *regexp.Regexp
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nicExcludePattern *regexp.Regexp
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}
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func New(logger log.Logger, config *Config) *Collector {
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if config == nil {
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config = &ConfigDefaults
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}
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c := &Collector{
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nicExclude: &config.NicExclude,
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nicInclude: &config.NicInclude,
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}
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c.SetLogger(logger)
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return c
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}
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func NewWithFlags(app *kingpin.Application) *Collector {
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c := &Collector{
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nicInclude: app.Flag(
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"collector.net.nic-include",
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"Regexp of NIC:s to include. NIC name must both match include and not match exclude to be included.",
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).Default(ConfigDefaults.NicInclude).String(),
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nicExclude: app.Flag(
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"collector.net.nic-exclude",
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"Regexp of NIC:s to exclude. NIC name must both match include and not match exclude to be included.",
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).Default(ConfigDefaults.NicExclude).String(),
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}
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return c
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}
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func (c *Collector) GetName() string {
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return Name
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}
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func (c *Collector) SetLogger(logger log.Logger) {
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c.logger = log.With(logger, "collector", Name)
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}
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func (c *Collector) GetPerfCounter() ([]string, error) {
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return []string{"Network Interface"}, nil
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}
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func (c *Collector) Close() error {
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return nil
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}
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func (c *Collector) Build() error {
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c.bytesReceivedTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "bytes_received_total"),
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"(Network.BytesReceivedPerSec)",
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[]string{"nic"},
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nil,
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)
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c.bytesSentTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "bytes_sent_total"),
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"(Network.BytesSentPerSec)",
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[]string{"nic"},
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nil,
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)
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c.bytesTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "bytes_total"),
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"(Network.BytesTotalPerSec)",
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[]string{"nic"},
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nil,
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)
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c.outputQueueLength = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "output_queue_length_packets"),
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"(Network.OutputQueueLength)",
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[]string{"nic"},
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nil,
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)
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c.packetsOutboundDiscarded = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "packets_outbound_discarded_total"),
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"(Network.PacketsOutboundDiscarded)",
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[]string{"nic"},
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nil,
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)
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c.packetsOutboundErrors = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "packets_outbound_errors_total"),
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"(Network.PacketsOutboundErrors)",
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[]string{"nic"},
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nil,
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)
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c.packetsReceivedDiscarded = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "packets_received_discarded_total"),
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"(Network.PacketsReceivedDiscarded)",
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[]string{"nic"},
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nil,
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)
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c.packetsReceivedErrors = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "packets_received_errors_total"),
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"(Network.PacketsReceivedErrors)",
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[]string{"nic"},
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nil,
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)
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c.packetsReceivedTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "packets_received_total"),
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"(Network.PacketsReceivedPerSec)",
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[]string{"nic"},
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nil,
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)
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c.packetsReceivedUnknown = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "packets_received_unknown_total"),
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"(Network.PacketsReceivedUnknown)",
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[]string{"nic"},
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nil,
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)
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c.packetsTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "packets_total"),
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"(Network.PacketsPerSec)",
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[]string{"nic"},
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nil,
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)
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c.packetsSentTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "packets_sent_total"),
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"(Network.PacketsSentPerSec)",
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[]string{"nic"},
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nil,
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)
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c.currentBandwidth = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "current_bandwidth_bytes"),
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"(Network.CurrentBandwidth)",
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[]string{"nic"},
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nil,
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)
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var err error
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c.nicIncludePattern, err = regexp.Compile(fmt.Sprintf("^(?:%s)$", *c.nicInclude))
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if err != nil {
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return err
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}
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c.nicExcludePattern, err = regexp.Compile(fmt.Sprintf("^(?:%s)$", *c.nicExclude))
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if err != nil {
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return err
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}
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return nil
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}
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// Collect sends the metric values for each metric
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// to the provided prometheus Metric channel.
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func (c *Collector) Collect(ctx *types.ScrapeContext, ch chan<- prometheus.Metric) error {
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if err := c.collect(ctx, ch); err != nil {
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_ = level.Error(c.logger).Log("msg", "failed collecting net metrics", "err", err)
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return err
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}
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return nil
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}
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// mangleNetworkName mangles Network Adapter name (non-alphanumeric to _)
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// that is used in networkInterface.
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func mangleNetworkName(name string) string {
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return nicNameToUnderscore.ReplaceAllString(name, "_")
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}
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// Win32_PerfRawData_Tcpip_NetworkInterface docs:
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// - https://technet.microsoft.com/en-us/security/aa394340(v=vs.80)
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type networkInterface struct {
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BytesReceivedPerSec float64 `perflib:"Bytes Received/sec"`
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BytesSentPerSec float64 `perflib:"Bytes Sent/sec"`
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BytesTotalPerSec float64 `perflib:"Bytes Total/sec"`
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Name string
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OutputQueueLength float64 `perflib:"Output Queue Length"`
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PacketsOutboundDiscarded float64 `perflib:"Packets Outbound Discarded"`
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PacketsOutboundErrors float64 `perflib:"Packets Outbound Errors"`
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PacketsPerSec float64 `perflib:"Packets/sec"`
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PacketsReceivedDiscarded float64 `perflib:"Packets Received Discarded"`
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PacketsReceivedErrors float64 `perflib:"Packets Received Errors"`
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PacketsReceivedPerSec float64 `perflib:"Packets Received/sec"`
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PacketsReceivedUnknown float64 `perflib:"Packets Received Unknown"`
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PacketsSentPerSec float64 `perflib:"Packets Sent/sec"`
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CurrentBandwidth float64 `perflib:"Current Bandwidth"`
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}
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func (c *Collector) collect(ctx *types.ScrapeContext, ch chan<- prometheus.Metric) error {
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var dst []networkInterface
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if err := perflib.UnmarshalObject(ctx.PerfObjects["Network Interface"], &dst, c.logger); err != nil {
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return err
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}
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for _, nic := range dst {
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if c.nicExcludePattern.MatchString(nic.Name) ||
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!c.nicIncludePattern.MatchString(nic.Name) {
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continue
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}
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name := mangleNetworkName(nic.Name)
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if name == "" {
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continue
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}
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// Counters
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ch <- prometheus.MustNewConstMetric(
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c.bytesReceivedTotal,
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prometheus.CounterValue,
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nic.BytesReceivedPerSec,
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name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.bytesSentTotal,
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prometheus.CounterValue,
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nic.BytesSentPerSec,
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name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.bytesTotal,
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prometheus.CounterValue,
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nic.BytesTotalPerSec,
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name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.outputQueueLength,
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prometheus.GaugeValue,
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nic.OutputQueueLength,
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name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.packetsOutboundDiscarded,
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prometheus.CounterValue,
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nic.PacketsOutboundDiscarded,
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name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.packetsOutboundErrors,
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prometheus.CounterValue,
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nic.PacketsOutboundErrors,
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name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.packetsTotal,
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prometheus.CounterValue,
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nic.PacketsPerSec,
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name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.packetsReceivedDiscarded,
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prometheus.CounterValue,
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nic.PacketsReceivedDiscarded,
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name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.packetsReceivedErrors,
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prometheus.CounterValue,
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nic.PacketsReceivedErrors,
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name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.packetsReceivedTotal,
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prometheus.CounterValue,
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nic.PacketsReceivedPerSec,
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name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.packetsReceivedUnknown,
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prometheus.CounterValue,
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nic.PacketsReceivedUnknown,
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name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.packetsSentTotal,
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prometheus.CounterValue,
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nic.PacketsSentPerSec,
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name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.currentBandwidth,
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prometheus.GaugeValue,
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nic.CurrentBandwidth/8,
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name,
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)
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}
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return nil
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}
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