Add collector.ethtool.metrics-include
This adds a new flag --collector.ethtool.metrics-include to the ethtool collector. Only metrics matching this regexp will be collected. Signed-off-by: Johannes 'fish' Ziemke <github@freigeist.org>
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@ -37,9 +37,10 @@ import (
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)
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var (
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ethtoolIgnoredDevices = kingpin.Flag("collector.ethtool.ignored-devices", "Regexp of net devices to ignore for ethtool collector.").Default("^$").String()
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receivedRegex = regexp.MustCompile(`_rx_`)
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transmittedRegex = regexp.MustCompile(`_tx_`)
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ethtoolIgnoredDevices = kingpin.Flag("collector.ethtool.ignored-devices", "Regexp of net devices to ignore for ethtool collector.").Default("^$").String()
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ethtoolIncludedMetrics = kingpin.Flag("collector.ethtool.metrics-include", "Regexp of ethtool stats to include.").Default(".*").String()
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receivedRegex = regexp.MustCompile(`_rx_`)
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transmittedRegex = regexp.MustCompile(`_tx_`)
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)
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type EthtoolStats interface {
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@ -57,6 +58,7 @@ type ethtoolCollector struct {
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fs sysfs.FS
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entries map[string]*prometheus.Desc
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ignoredDevicesPattern *regexp.Regexp
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metricsPattern *regexp.Regexp
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logger log.Logger
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stats EthtoolStats
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}
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@ -74,6 +76,7 @@ func makeEthtoolCollector(logger log.Logger) (*ethtoolCollector, error) {
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return ðtoolCollector{
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fs: fs,
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ignoredDevicesPattern: regexp.MustCompile(*ethtoolIgnoredDevices),
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metricsPattern: regexp.MustCompile(*ethtoolIncludedMetrics),
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logger: logger,
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stats: ðtoolStats{},
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entries: map[string]*prometheus.Desc{
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@ -176,6 +179,9 @@ func (c *ethtoolCollector) Update(ch chan<- prometheus.Metric) error {
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sort.Strings(keys)
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for _, metric := range keys {
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if !c.metricsPattern.MatchString(metric) {
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continue
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}
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val := stats[metric]
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metricFQName := prometheus.BuildFQName(namespace, "ethtool", metric)
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metricFQName = receivedRegex.ReplaceAllString(metricFQName, "_received_")
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