feat: added mscluster_network collector functionality

Signed-off-by: Sam Storie <sam.storie@emerson.com>

collector/mscluster_network.go

@@ -0,0 +1,116 @@
+package collector
+
+import (
+	"github.com/StackExchange/wmi"
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+func init() {
+	registerCollector("mscluster_network", newMSCluster_NetworkCollector) // TODO: Add any perflib dependencies here
+}
+
+// A MSCluster_NetworkCollector is a Prometheus collector for WMI MSCluster_Network metrics
+type MSCluster_NetworkCollector struct {
+	Characteristics *prometheus.Desc
+	Flags           *prometheus.Desc
+	Metric          *prometheus.Desc
+	Role            *prometheus.Desc
+	State           *prometheus.Desc
+}
+
+func newMSCluster_NetworkCollector() (Collector, error) {
+	const subsystem = "mscluster_network"
+	return &MSCluster_NetworkCollector{
+		Characteristics: prometheus.NewDesc(
+			prometheus.BuildFQName(Namespace, subsystem, "characteristics"),
+			"(Characteristics)",
+			[]string{"name"},
+			nil,
+		),
+		Flags: prometheus.NewDesc(
+			prometheus.BuildFQName(Namespace, subsystem, "flags"),
+			"(Flags)",
+			[]string{"name"},
+			nil,
+		),
+		Metric: prometheus.NewDesc(
+			prometheus.BuildFQName(Namespace, subsystem, "metric"),
+			"(Metric)",
+			[]string{"name"},
+			nil,
+		),
+		Role: prometheus.NewDesc(
+			prometheus.BuildFQName(Namespace, subsystem, "role"),
+			"(Role)",
+			[]string{"name"},
+			nil,
+		),
+		State: prometheus.NewDesc(
+			prometheus.BuildFQName(Namespace, subsystem, "state"),
+			"(State)",
+			[]string{"name"},
+			nil,
+		),
+	}, nil
+}
+
+// MSCluster_Network docs:
+// - <add link to documentation here>
+type MSCluster_Network struct {
+	Name string
+
+	Characteristics uint
+	Flags           uint
+	Metric          uint
+	Role            uint
+	State           uint
+}
+
+// Collect sends the metric values for each metric
+// to the provided prometheus Metric channel.
+func (c *MSCluster_NetworkCollector) Collect(ctx *ScrapeContext, ch chan<- prometheus.Metric) error {
+	var dst []MSCluster_Network
+	q := queryAll(&dst)
+	if err := wmi.QueryNamespace(q, &dst, "root/MSCluster"); err != nil {
+		return err
+	}
+
+	for _, v := range dst {
+		ch <- prometheus.MustNewConstMetric(
+			c.Characteristics,
+			prometheus.GaugeValue,
+			float64(v.Characteristics),
+			v.Name,
+		)
+
+		ch <- prometheus.MustNewConstMetric(
+			c.Flags,
+			prometheus.GaugeValue,
+			float64(v.Flags),
+			v.Name,
+		)
+
+		ch <- prometheus.MustNewConstMetric(
+			c.Metric,
+			prometheus.GaugeValue,
+			float64(v.Metric),
+			v.Name,
+		)
+
+		ch <- prometheus.MustNewConstMetric(
+			c.Role,
+			prometheus.GaugeValue,
+			float64(v.Role),
+			v.Name,
+		)
+
+		ch <- prometheus.MustNewConstMetric(
+			c.State,
+			prometheus.GaugeValue,
+			float64(v.State),
+			v.Name,
+		)
+	}
+
+	return nil
+}