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collectors/graph_collector: add num zombies #25

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Merged
merged 1 commit into from
Dec 7, 2019
Merged

collectors/graph_collector: add num zombies #25

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15 changes: 13 additions & 2 deletions collectors/graph_collector.go
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Original file line number Diff line number Diff line change
Expand Up @@ -9,8 +9,9 @@ import (

// GraphCollector is a collector that keeps track of graph information.
type GraphCollector struct {
numEdgesDesc *prometheus.Desc
numNodesDesc *prometheus.Desc
numEdgesDesc *prometheus.Desc
numNodesDesc *prometheus.Desc
numZombiesDesc *prometheus.Desc

avgOutDegreeDesc *prometheus.Desc
maxOutDegreeDesc *prometheus.Desc
Expand Down Expand Up @@ -66,6 +67,11 @@ func NewGraphCollector(lnd lnrpc.LightningClient) *GraphCollector {
"total number of nodes in the graph",
nil, nil,
),
numZombiesDesc: prometheus.NewDesc(
"lnd_graph_zombies_count",
"total number of zombies in the graph",
nil, nil,
),

avgOutDegreeDesc: prometheus.NewDesc(
"lnd_graph_outdegree_avg",
Expand Down Expand Up @@ -227,6 +233,7 @@ func NewGraphCollector(lnd lnrpc.LightningClient) *GraphCollector {
func (g *GraphCollector) Describe(ch chan<- *prometheus.Desc) {
ch <- g.numEdgesDesc
ch <- g.numNodesDesc
ch <- g.numZombiesDesc

ch <- g.avgOutDegreeDesc
ch <- g.maxOutDegreeDesc
Expand Down Expand Up @@ -285,6 +292,10 @@ func (g *GraphCollector) Collect(ch chan<- prometheus.Metric) {
g.numNodesDesc, prometheus.GaugeValue,
float64(len(resp.Nodes)),
)
ch <- prometheus.MustNewConstMetric(
g.numZombiesDesc, prometheus.GaugeValue,
float64(resp.NumZombies),
)

g.collectRoutingPolicyMetrics(ch, resp.Edges)

Expand Down