diff --git a/collector/ethtool_linux.go b/collector/ethtool_linux.go index 81357248..058462ce 100644 --- a/collector/ethtool_linux.go +++ b/collector/ethtool_linux.go @@ -37,9 +37,10 @@ import ( ) var ( - ethtoolIgnoredDevices = kingpin.Flag("collector.ethtool.ignored-devices", "Regexp of net devices to ignore for ethtool collector.").Default("^$").String() - receivedRegex = regexp.MustCompile(`_rx_`) - transmittedRegex = regexp.MustCompile(`_tx_`) + ethtoolIgnoredDevices = kingpin.Flag("collector.ethtool.ignored-devices", "Regexp of net devices to ignore for ethtool collector.").Default("^$").String() + ethtoolIncludedMetrics = kingpin.Flag("collector.ethtool.metrics-include", "Regexp of ethtool stats to include.").Default(".*").String() + receivedRegex = regexp.MustCompile(`_rx_`) + transmittedRegex = regexp.MustCompile(`_tx_`) ) type EthtoolStats interface { @@ -57,6 +58,7 @@ type ethtoolCollector struct { fs sysfs.FS entries map[string]*prometheus.Desc ignoredDevicesPattern *regexp.Regexp + metricsPattern *regexp.Regexp logger log.Logger stats EthtoolStats } @@ -74,6 +76,7 @@ func makeEthtoolCollector(logger log.Logger) (*ethtoolCollector, error) { return ðtoolCollector{ fs: fs, ignoredDevicesPattern: regexp.MustCompile(*ethtoolIgnoredDevices), + metricsPattern: regexp.MustCompile(*ethtoolIncludedMetrics), logger: logger, stats: ðtoolStats{}, entries: map[string]*prometheus.Desc{ @@ -176,6 +179,9 @@ func (c *ethtoolCollector) Update(ch chan<- prometheus.Metric) error { sort.Strings(keys) for _, metric := range keys { + if !c.metricsPattern.MatchString(metric) { + continue + } val := stats[metric] metricFQName := prometheus.BuildFQName(namespace, "ethtool", metric) metricFQName = receivedRegex.ReplaceAllString(metricFQName, "_received_")