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[+] show stats for vts shared memory #92

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Nov 25, 2020
Merged

[+] show stats for vts shared memory #92

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12 changes: 12 additions & 0 deletions nginx_vts_exporter.go
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,12 @@ type NginxVts struct {
Handled uint64 `json:"handled"`
Requests uint64 `json:"requests"`
} `json:"connections"`
SharedZones struct {
Name string `json:"name"`
MaxSize uint64 `json:"maxSize"`
UsedSize uint64 `json:"usedSize"`
UsedNode uint64 `json:"usedNode"`
} `json:"sharedZones"`
ServerZones map[string]Server `json:"serverZones"`
UpstreamZones map[string][]Upstream `json:"upstreamZones"`
FilterZones map[string]map[string]Upstream `json:"filterZones"`
Expand Down Expand Up @@ -185,6 +191,7 @@ func NewExporter(uri string) *Exporter {
"bytes": newServerMetric("bytes", "request/response bytes", []string{"host", "direction"}),
"cache": newServerMetric("cache", "cache counter", []string{"host", "status"}),
"requestMsec": newServerMetric("requestMsec", "average of request processing times in milliseconds", []string{"host"}),
"sharedzones": newServerMetric("sharedzones", "vts module shared memory metrics", []string{"name", "memstat"}),
},
upstreamMetrics: map[string]*prometheus.Desc{
"requests": newUpstreamMetric("requests", "requests counter", []string{"upstream", "code", "backend"}),
Expand Down Expand Up @@ -254,6 +261,11 @@ func (e *Exporter) Collect(ch chan<- prometheus.Metric) {
ch <- prometheus.MustNewConstMetric(e.serverMetrics["connections"], prometheus.GaugeValue, float64(nginxVtx.Connections.Handled), "handled")
ch <- prometheus.MustNewConstMetric(e.serverMetrics["connections"], prometheus.GaugeValue, float64(nginxVtx.Connections.Requests), "requests")

// sharedzones
ch <- prometheus.MustNewConstMetric(e.serverMetrics["sharedzones"], prometheus.GaugeValue, float64(nginxVtx.SharedZones.MaxSize), nginxVtx.SharedZones.Name, "maxsize")
ch <- prometheus.MustNewConstMetric(e.serverMetrics["sharedzones"], prometheus.GaugeValue, float64(nginxVtx.SharedZones.UsedSize), nginxVtx.SharedZones.Name, "usedsize")
ch <- prometheus.MustNewConstMetric(e.serverMetrics["sharedzones"], prometheus.GaugeValue, float64(nginxVtx.SharedZones.UsedNode), nginxVtx.SharedZones.Name, "usednode")

// ServerZones
for host, s := range nginxVtx.ServerZones {
ch <- prometheus.MustNewConstMetric(e.serverMetrics["requests"], prometheus.CounterValue, float64(s.RequestCounter), host, "total")
Expand Down