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Expose load averages #113

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merged 1 commit into from
Dec 13, 2017
Merged

Expose load averages #113

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36 changes: 36 additions & 0 deletions collector/nodes.go
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Original file line number Diff line number Diff line change
Expand Up @@ -147,6 +147,42 @@ func NewNodes(logger log.Logger, client *http.Client, url *url.URL, all bool) *N
}),

nodeMetrics: []*nodeMetric{
{
Type: prometheus.GaugeValue,
Desc: prometheus.NewDesc(
prometheus.BuildFQName(namespace, "os", "load1"),
"Shortterm load average",
defaultNodeLabels, nil,
),
Value: func(node NodeStatsNodeResponse) float64 {
return float64(node.OS.CPU.LoadAvg.Load1)
},
Labels: defaultNodeLabelValues,
},
{
Type: prometheus.GaugeValue,
Desc: prometheus.NewDesc(
prometheus.BuildFQName(namespace, "os", "load5"),
"Midterm load average",
defaultNodeLabels, nil,
),
Value: func(node NodeStatsNodeResponse) float64 {
return float64(node.OS.CPU.LoadAvg.Load5)
},
Labels: defaultNodeLabelValues,
},
{
Type: prometheus.GaugeValue,
Desc: prometheus.NewDesc(
prometheus.BuildFQName(namespace, "os", "load15"),
"Longterm load average",
defaultNodeLabels, nil,
),
Value: func(node NodeStatsNodeResponse) float64 {
return float64(node.OS.CPU.LoadAvg.Load15)
},
Labels: defaultNodeLabelValues,
},
{
Type: prometheus.GaugeValue,
Desc: prometheus.NewDesc(
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15 changes: 11 additions & 4 deletions collector/nodes_response.go
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Original file line number Diff line number Diff line change
Expand Up @@ -224,10 +224,17 @@ type NodeStatsOSSwapResponse struct {
}

type NodeStatsOSCPUResponse struct {
Sys int64 `json:"sys"`
User int64 `json:"user"`
Idle int64 `json:"idle"`
Steal int64 `json:"stolen"`
Sys int64 `json:"sys"`
User int64 `json:"user"`
Idle int64 `json:"idle"`
Steal int64 `json:"stolen"`
LoadAvg NodeStatsOSCPULoadResponse `json:"load_average"`
}

type NodeStatsOSCPULoadResponse struct {
Load1 float64 `json:"1m"`
Load5 float64 `json:"5m"`
Load15 float64 `json:"15m"`
}

// NodeStatsProcessResponse is a representation of a process statistics, memory consumption, cpu usage, open file descriptors
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