func init() {
prometheus.MustRegister(prometheus.NewCounterFunc(prometheus.CounterOpts{
Name: "lg_info_lines",
Help: "Number of entries lg error lines logged",
}, func() float64 {
return float64(lg.Stats.Info.Lines())
}))
prometheus.MustRegister(prometheus.NewCounterFunc(prometheus.CounterOpts{
Name: "lg_warning_lines",
Help: "Number of entries lg error lines logged",
}, func() float64 {
return float64(lg.Stats.Warning.Lines())
}))
prometheus.MustRegister(prometheus.NewCounterFunc(prometheus.CounterOpts{
Name: "lg_error_lines",
Help: "Number of entries lg error lines logged",
}, func() float64 {
return float64(lg.Stats.Error.Lines())
}))
}
func (m *metric) init() error {
name := m.Measurable.MsName()
mangledName := mangleName(name)
opts := prometheus.Opts{
Name: mangledName,
Help: name,
}
switch m.Measurable.MsType() {
case measurable.CounterType:
mi, ok := m.Measurable.(interface {
MsInt64() int64
})
if !ok {
return errNotSupported
}
m.Metric = prometheus.NewCounterFunc(prometheus.CounterOpts(opts), func() float64 {
return float64(mi.MsInt64())
})
case measurable.GaugeType:
mi, ok := m.Measurable.(interface {
MsInt64() int64
})
if !ok {
return errNotSupported
}
m.Metric = prometheus.NewGaugeFunc(prometheus.GaugeOpts(opts), func() float64 {
return float64(mi.MsInt64())
})
default:
return errNotSupported
}
return nil
}