mscluster: merge multiple collector into one (Click here for more information) (#1585)

pkg/collector/mscluster/mscluster_network.go

@@ -0,0 +1,105 @@
+package mscluster
+
+import (
+	"github.com/go-kit/log"
+	"github.com/prometheus-community/windows_exporter/pkg/types"
+	"github.com/prometheus-community/windows_exporter/pkg/wmi"
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+const nameNetwork = Name + "_network"
+
+// msClusterNetwork represents the MSCluster_Network WMI class
+// - https://docs.microsoft.com/en-us/previous-versions/windows/desktop/cluswmi/mscluster-network
+type msClusterNetwork struct {
+	Name string
+
+	Characteristics uint
+	Flags           uint
+	Metric          uint
+	Role            uint
+	State           uint
+}
+
+func (c *Collector) buildNetwork() {
+	c.networkCharacteristics = prometheus.NewDesc(
+		prometheus.BuildFQName(types.Namespace, nameNetwork, "characteristics"),
+		"Provides the characteristics of the network.",
+		[]string{"name"},
+		nil,
+	)
+	c.networkFlags = prometheus.NewDesc(
+		prometheus.BuildFQName(types.Namespace, nameNetwork, "flags"),
+		"Provides access to the flags set for the node. ",
+		[]string{"name"},
+		nil,
+	)
+	c.networkMetric = prometheus.NewDesc(
+		prometheus.BuildFQName(types.Namespace, nameNetwork, "metric"),
+		"The metric of a cluster network (networks with lower values are used first). If this value is set, then the AutoMetric property is set to false.",
+		[]string{"name"},
+		nil,
+	)
+	c.networkRole = prometheus.NewDesc(
+		prometheus.BuildFQName(types.Namespace, nameNetwork, "role"),
+		"Provides access to the network's Role property. The Role property describes the role of the network in the cluster. 0: None; 1: Cluster; 2: Client; 3: Both ",
+		[]string{"name"},
+		nil,
+	)
+	c.networkState = prometheus.NewDesc(
+		prometheus.BuildFQName(types.Namespace, nameNetwork, "state"),
+		"Provides the current state of the network. 1-1: Unknown; 0: Unavailable; 1: Down; 2: Partitioned; 3: Up",
+		[]string{"name"},
+		nil,
+	)
+}
+
+// Collect sends the metric values for each metric
+// to the provided prometheus metric channel.
+func (c *Collector) collectNetwork(logger log.Logger, ch chan<- prometheus.Metric) error {
+	var dst []msClusterNetwork
+
+	q := wmi.QueryAllForClass(&dst, "MSCluster_Network", logger)
+	if err := wmi.QueryNamespace(q, &dst, "root/MSCluster"); err != nil {
+		return err
+	}
+
+	for _, v := range dst {
+		ch <- prometheus.MustNewConstMetric(
+			c.networkCharacteristics,
+			prometheus.GaugeValue,
+			float64(v.Characteristics),
+			v.Name,
+		)
+
+		ch <- prometheus.MustNewConstMetric(
+			c.networkFlags,
+			prometheus.GaugeValue,
+			float64(v.Flags),
+			v.Name,
+		)
+
+		ch <- prometheus.MustNewConstMetric(
+			c.networkMetric,
+			prometheus.GaugeValue,
+			float64(v.Metric),
+			v.Name,
+		)
+
+		ch <- prometheus.MustNewConstMetric(
+			c.networkRole,
+			prometheus.GaugeValue,
+			float64(v.Role),
+			v.Name,
+		)
+
+		ch <- prometheus.MustNewConstMetric(
+			c.networkState,
+			prometheus.GaugeValue,
+			float64(v.State),
+			v.Name,
+		)
+	}
+
+	return nil
+}