75 lines
2.5 KiB
Go
75 lines
2.5 KiB
Go
package metrics
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import (
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"github.com/czerwonk/bird_exporter/client"
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"github.com/czerwonk/bird_exporter/protocol"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/common/log"
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)
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type ospfDesc struct {
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runningDesc *prometheus.Desc
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interfaceCountDesc *prometheus.Desc
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neighborCountDesc *prometheus.Desc
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neighborAdjacentCountDesc *prometheus.Desc
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}
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type ospfMetricExporter struct {
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descriptions map[string]*ospfDesc
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client client.Client
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}
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// NewOSPFExporter creates a new MetricExporter for OSPF metrics
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func NewOSPFExporter(prefix string, client client.Client) MetricExporter {
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d := make(map[string]*ospfDesc)
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d["4"] = getDesc(prefix + "ospf")
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d["6"] = getDesc(prefix + "ospfv3")
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return &ospfMetricExporter{descriptions: d, client: client}
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}
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func getDesc(prefix string) *ospfDesc {
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labels := []string{"name"}
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d := &ospfDesc{}
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d.runningDesc = prometheus.NewDesc(prefix+"_running", "State of OSPF: 0 = Alone, 1 = Running (Neighbor-Adjacencies established)", labels, nil)
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labels = append(labels, "area")
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d.interfaceCountDesc = prometheus.NewDesc(prefix+"_interface_count", "Number of interfaces in the area", labels, nil)
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d.neighborCountDesc = prometheus.NewDesc(prefix+"_neighbor_count", "Number of neighbors in the area", labels, nil)
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d.neighborAdjacentCountDesc = prometheus.NewDesc(prefix+"_neighbor_adjacent_count", "Number of adjacent neighbors in the area", labels, nil)
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return d
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}
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func (m *ospfMetricExporter) Describe(ch chan<- *prometheus.Desc) {
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m.describe("4", ch)
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m.describe("6", ch)
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}
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func (m *ospfMetricExporter) describe(ipVersion string, ch chan<- *prometheus.Desc) {
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d := m.descriptions[ipVersion]
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ch <- d.runningDesc
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ch <- d.interfaceCountDesc
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ch <- d.neighborCountDesc
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ch <- d.neighborAdjacentCountDesc
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}
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func (m *ospfMetricExporter) Export(p *protocol.Protocol, ch chan<- prometheus.Metric, newFormat bool) {
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d := m.descriptions[p.IPVersion]
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ch <- prometheus.MustNewConstMetric(d.runningDesc, prometheus.GaugeValue, p.Attributes["running"], p.Name)
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areas, err := m.client.GetOSPFAreas(p)
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if err != nil {
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log.Errorln(err)
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return
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}
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for _, area := range areas {
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l := []string{p.Name, area.Name}
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ch <- prometheus.MustNewConstMetric(d.interfaceCountDesc, prometheus.GaugeValue, float64(area.InterfaceCount), l...)
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ch <- prometheus.MustNewConstMetric(d.neighborCountDesc, prometheus.GaugeValue, float64(area.NeighborCount), l...)
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ch <- prometheus.MustNewConstMetric(d.neighborAdjacentCountDesc, prometheus.GaugeValue, float64(area.NeighborAdjacentCount), l...)
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}
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}
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