fix(qdisc) flag naming corrected for consistency (#2782)

* fix collector qdisc flag naming for consistency

---------

Signed-off-by: jbradleynh <jbradley@fastly.com>

collector/qdisc_linux.go

@@ -25,6 +25,7 @@ import (
 	"github.com/alecthomas/kingpin/v2"
 	"github.com/ema/qdisc"
 	"github.com/go-kit/log"
+	"github.com/go-kit/log/level"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
@@ -41,9 +42,11 @@ type qdiscStatCollector struct {
 }
 
 var (
-	collectorQdisc              = kingpin.Flag("collector.qdisc.fixtures", "test fixtures to use for qdisc collector end-to-end testing").Default("").String()
-	collectorQdiskDeviceInclude = kingpin.Flag("collector.qdisk.device-include", "Regexp of qdisk devices to include (mutually exclusive to device-exclude).").String()
-	collectorQdiskDeviceExclude = kingpin.Flag("collector.qdisk.device-exclude", "Regexp of qdisk devices to exclude (mutually exclusive to device-include).").String()
+	collectorQdisc                 = kingpin.Flag("collector.qdisc.fixtures", "test fixtures to use for qdisc collector end-to-end testing").Default("").String()
+	collectorQdiscDeviceInclude    = kingpin.Flag("collector.qdisc.device-include", "Regexp of qdisc devices to include (mutually exclusive to device-exclude).").String()
+	oldCollectorQdiskDeviceInclude = kingpin.Flag("collector.qdisk.device-include", "DEPRECATED: Use collector.qdisc.device-include").Hidden().String()
+	collectorQdiscDeviceExclude    = kingpin.Flag("collector.qdisc.device-exclude", "Regexp of qdisc devices to exclude (mutually exclusive to device-include).").String()
+	oldCollectorQdiskDeviceExclude = kingpin.Flag("collector.qdisk.device-exclude", "DEPRECATED: Use collector.qdisc.device-exclude").Hidden().String()
 )
 
 func init() {
@@ -52,8 +55,26 @@ func init() {
 
 // NewQdiscStatCollector returns a new Collector exposing queuing discipline statistics.
 func NewQdiscStatCollector(logger log.Logger) (Collector, error) {
-	if *collectorQdiskDeviceExclude != "" && *collectorQdiskDeviceInclude != "" {
-		return nil, fmt.Errorf("collector.qdisk.device-include and collector.qdisk.device-exclude are mutaly exclusive")
+	if *oldCollectorQdiskDeviceInclude != "" {
+		if *collectorQdiscDeviceInclude == "" {
+			level.Warn(logger).Log("msg", "--collector.qdisk.device-include is DEPRECATED and will be removed in 2.0.0, use --collector.qdisc.device-include")
+			*collectorQdiscDeviceInclude = *oldCollectorQdiskDeviceInclude
+		} else {
+			return nil, fmt.Errorf("--collector.qdisk.device-include and --collector.qdisc.device-include are mutually exclusive")
+		}
+	}
+
+	if *oldCollectorQdiskDeviceExclude != "" {
+		if *collectorQdiscDeviceExclude == "" {
+			level.Warn(logger).Log("msg", "--collector.qdisk.device-exclude is DEPRECATED and will be removed in 2.0.0, use --collector.qdisc.device-exclude")
+			*collectorQdiscDeviceExclude = *oldCollectorQdiskDeviceExclude
+		} else {
+			return nil, fmt.Errorf("--collector.qdisk.device-exclude and --collector.qdisc.device-exclude are mutually exclusive")
+		}
+	}
+
+	if *collectorQdiscDeviceExclude != "" && *collectorQdiscDeviceInclude != "" {
+		return nil, fmt.Errorf("collector.qdisc.device-include and collector.qdisc.device-exclude are mutaly exclusive")
 	}
 
 	return &qdiscStatCollector{
@@ -93,7 +114,7 @@ func NewQdiscStatCollector(logger log.Logger) (Collector, error) {
 			[]string{"device", "kind"}, nil,
 		), prometheus.GaugeValue},
 		logger:       logger,
-		deviceFilter: newDeviceFilter(*collectorQdiskDeviceExclude, *collectorQdiskDeviceExclude),
+		deviceFilter: newDeviceFilter(*collectorQdiscDeviceExclude, *collectorQdiscDeviceInclude),
 	}, nil
 }
 

end-to-end-test.sh

@@ -130,7 +130,7 @@ fi
   --collector.textfile.directory="collector/fixtures/textfile/two_metric_files/" \
   --collector.wifi.fixtures="collector/fixtures/wifi" \
   --collector.qdisc.fixtures="collector/fixtures/qdisc/" \
-  --collector.qdisk.device-include="(wlan0|eth0)" \
+  --collector.qdisc.device-include="(wlan0|eth0)" \
   --collector.arp.device-exclude="nope" \
   --collector.hwmon.chip-include="(applesmc|coretemp|hwmon4|nct6779)" \
   --collector.netclass.ignored-devices="(dmz|int)" \