open-consul/lib/hoststats/host.go

93 lines
3.0 KiB
Go

package hoststats
import (
"time"
"github.com/armon/go-metrics"
)
var hostStatsCollectionInterval = 10 * time.Second
// HostStats represents resource usage hoststats of the host running a Consul agent
type HostStats struct {
Memory *MemoryStats
CPU []*CPUStats
DataDirStats *DiskStats
Uptime uint64
Timestamp int64
}
func (hs *HostStats) Clone() *HostStats {
clone := &HostStats{}
*clone = *hs
return clone
}
func (hs *HostStats) Emit(sink Metrics, baseLabels []metrics.Label) {
if hs.Memory != nil {
sink.SetGaugeWithLabels([]string{"host", "memory", "total"}, float32(hs.Memory.Total), baseLabels)
sink.SetGaugeWithLabels([]string{"host", "memory", "available"}, float32(hs.Memory.Available), baseLabels)
sink.SetGaugeWithLabels([]string{"host", "memory", "used"}, float32(hs.Memory.Used), baseLabels)
sink.SetGaugeWithLabels([]string{"host", "memory", "used_percent"}, float32(hs.Memory.UsedPercent), baseLabels)
sink.SetGaugeWithLabels([]string{"host", "memory", "free"}, float32(hs.Memory.Free), baseLabels)
}
for _, cpu := range hs.CPU {
labels := append(baseLabels, metrics.Label{
Name: "cpu",
Value: cpu.CPU,
})
sink.SetGaugeWithLabels([]string{"host", "cpu", "total"}, float32(cpu.Total), labels)
sink.SetGaugeWithLabels([]string{"host", "cpu", "user"}, float32(cpu.User), labels)
sink.SetGaugeWithLabels([]string{"host", "cpu", "idle"}, float32(cpu.Idle), labels)
sink.SetGaugeWithLabels([]string{"host", "cpu", "iowait"}, float32(cpu.Iowait), labels)
sink.SetGaugeWithLabels([]string{"host", "cpu", "system"}, float32(cpu.System), labels)
}
if hs.DataDirStats != nil {
diskLabels := append(baseLabels, metrics.Label{
Name: "path",
Value: hs.DataDirStats.Path,
})
sink.SetGaugeWithLabels([]string{"host", "disk", "size"}, float32(hs.DataDirStats.Size), diskLabels)
sink.SetGaugeWithLabels([]string{"host", "disk", "used"}, float32(hs.DataDirStats.Used), diskLabels)
sink.SetGaugeWithLabels([]string{"host", "disk", "available"}, float32(hs.DataDirStats.Available), diskLabels)
sink.SetGaugeWithLabels([]string{"host", "disk", "used_percent"}, float32(hs.DataDirStats.UsedPercent), diskLabels)
sink.SetGaugeWithLabels([]string{"host", "disk", "inodes_percent"}, float32(hs.DataDirStats.InodesUsedPercent), diskLabels)
}
sink.SetGaugeWithLabels([]string{"host", "uptime"}, float32(hs.Uptime), baseLabels)
}
// CPUStats represents hoststats related to cpu usage
type CPUStats struct {
CPU string
User float64
System float64
Idle float64
Iowait float64
Total float64
}
// MemoryStats represents hoststats related to virtual memory usage
type MemoryStats struct {
Total uint64
Available uint64
Used uint64
UsedPercent float64
Free uint64
}
// DiskStats represents hoststats related to disk usage
type DiskStats struct {
Path string
Size uint64
Used uint64
Available uint64
UsedPercent float64
InodesUsedPercent float64
}