bird_exporter/metric_collector.go

72 lines
2.3 KiB
Go

package main
import (
"github.com/czerwonk/bird_exporter/metrics"
"github.com/czerwonk/bird_exporter/ospf"
"github.com/czerwonk/bird_exporter/protocol"
"github.com/prometheus/client_golang/prometheus"
)
type MetricCollector struct {
protocols []*protocol.Protocol
exporters map[int][]metrics.MetricExporter
enabledProtocols int
}
func NewMetricCollectorForProtocols(protocols []*protocol.Protocol, newFormat bool, enabledProtocols int) *MetricCollector {
var e map[int][]metrics.MetricExporter
if newFormat {
e = exportersForDefault()
} else {
e = exportersForLegacy()
}
return &MetricCollector{protocols: protocols, exporters: e, enabledProtocols: enabledProtocols}
}
func exportersForLegacy() map[int][]metrics.MetricExporter {
l := &metrics.LegacyLabelStrategy{}
return map[int][]metrics.MetricExporter{
protocol.BGP: []metrics.MetricExporter{metrics.NewLegacyMetricExporter("bgp4_session", "bgp6_session", l)},
protocol.Direct: []metrics.MetricExporter{metrics.NewLegacyMetricExporter("direct4", "direct6", l)},
protocol.Kernel: []metrics.MetricExporter{metrics.NewLegacyMetricExporter("kernel4", "kernel6", l)},
protocol.OSPF: []metrics.MetricExporter{metrics.NewLegacyMetricExporter("ospf", "ospfv3", l), ospf.NewExporter("")},
protocol.Static: []metrics.MetricExporter{metrics.NewLegacyMetricExporter("static4", "static6", l)},
}
}
func exportersForDefault() map[int][]metrics.MetricExporter {
l := &metrics.DefaultLabelStrategy{}
e := metrics.NewGenericProtocolMetricExporter("bird_protocol", true, l)
return map[int][]metrics.MetricExporter{
protocol.BGP: []metrics.MetricExporter{e},
protocol.Direct: []metrics.MetricExporter{e},
protocol.Kernel: []metrics.MetricExporter{e},
protocol.OSPF: []metrics.MetricExporter{e, ospf.NewExporter("bird_")},
protocol.Static: []metrics.MetricExporter{e},
}
}
func (m *MetricCollector) Describe(ch chan<- *prometheus.Desc) {
for _, v := range m.exporters {
for _, e := range v {
e.Describe(ch)
}
}
}
func (m *MetricCollector) Collect(ch chan<- prometheus.Metric) {
for _, p := range m.protocols {
if p.Proto == protocol.PROTO_UNKNOWN || (m.enabledProtocols & p.Proto != p.Proto) {
continue
}
for _, e := range m.exporters[p.Proto] {
e.Export(p, ch)
}
}
}