// createUnit implements the UnitFactory interface.
func (this *HostCpuUnitFactory) createUnit() Unit {
u := &HostCpuUnit{
lastCPUUsage: make([]float64, 8),
newCPUUsage: make([]float64, 8),
metrics: []model.Metric{
model.NewGauge("host.cpu.user").AddTag("hostname", hostname),
model.NewGauge("host.cpu.nice").AddTag("hostname", hostname),
model.NewGauge("host.cpu.system").AddTag("hostname", hostname),
model.NewGauge("host.cpu.idle").AddTag("hostname", hostname),
model.NewGauge("host.cpu.iowait").AddTag("hostname", hostname),
model.NewGauge("host.cpu.irq").AddTag("hostname", hostname),
model.NewGauge("host.cpu.softirq").AddTag("hostname", hostname),
// model.NewCounter("host.stat.intr").AddTag("hostname", hostname),
// model.NewCounter("host.stat.ctxt").AddTag("hostname", hostname),
// model.NewGauge("host.stat.btime").AddTag("hostname", hostname),
// model.NewCounter("host.stat.processes").AddTag("hostname", hostname),
// model.NewGauge("host.stat.procs_running").AddTag("hostname", hostname),
// model.NewGauge("host.stat.procs_blocked").AddTag("hostname", hostname),
},
}
u.name = UNIT_NAME_HOST_CPU
u.fetchStop = make(chan struct{})
u.BaseUnit.unit = u
go func() {
err := u.updateStats()
if err != nil {
log.Errorf("update cpu stats error: ", err)
}
ticker := time.NewTicker(time.Second)
for {
select {
case <-ticker.C:
err = u.updateStats()
if err != nil {
log.Errorf("update cpu stats error: ", err)
}
}
}
}()
return u
}
func (this *HostMemoryUnitFactory) createUnit() Unit {
u := &HostMemoryUnit{
metrics: []model.Metric{
model.NewGauge("host.mem.total").AddTag("hostname", hostname),
model.NewGauge("host.mem.free").AddTag("hostname", hostname),
model.NewGauge("host.mem.available").AddTag("hostname", hostname),
model.NewGauge("host.mem.app").AddTag("hostname", hostname),
model.NewGauge("host.mem.os").AddTag("hostname", hostname),
model.NewGauge("host.mem.buffers").AddTag("hostname", hostname),
model.NewGauge("host.mem.cached").AddTag("hostname", hostname),
model.NewGauge("host.mem.used").AddTag("hostname", hostname),
model.NewGauge("host.mem.swaptotal").AddTag("hostname", hostname),
model.NewGauge("host.mem.swapfree").AddTag("hostname", hostname),
model.NewGauge("host.mem.swapused").AddTag("hostname", hostname),
model.NewGauge("host.mem.free.percent").AddTag("hostname", hostname),
model.NewGauge("host.mem.used.percent").AddTag("hostname", hostname),
model.NewGauge("host.mem.swapfree.percent").AddTag("hostname", hostname),
model.NewGauge("host.mem.swapused.percent").AddTag("hostname", hostname),
},
}
u.name = UNIT_NAME_HOST_MEM
u.fetchStop = make(chan struct{})
u.BaseUnit.unit = u
return u
}