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More succbone metrics #14

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q3k merged 1 commit from metrics into main 2024-11-09 22:20:38 +00:00
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1 changed files with 46 additions and 2 deletions
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succbone/succd/http.go
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@ -163,16 +163,60 @@ func (s *webServer) viewStream(w http.ResponseWriter, r *http.Request) {
} }
} }
func boolToFloat(b bool) float32 {
if b {
return 1.0
} else {
return 0.0
}
}
// httpMetrics serves minimalistic Prometheus-compatible metrics. // httpMetrics serves minimalistic Prometheus-compatible metrics.
func (s *webServer) viewMetrics(w http.ResponseWriter, r *http.Request) { func (s *webServer) viewMetrics(w http.ResponseWriter, r *http.Request) {
// TODO(q3k): also serve Go stuff using the actual Prometheus metrics client // TODO(q3k): also serve Go stuff using the actual Prometheus metrics client
// library. // library.
// TODO(q3k): serve the rest of the data model // TODO(q3k): serve the rest of the data model
state := s.d.snapshot() state := s.d.snapshot()
mbar := state.piraniMbar100.mbar
// sem_pressure_mbar is meant to represent the fused pressure value
// from all data sources once we have more vacuum sensors in the
// system. sem_pirani_mbar is just the reading from the pirani gauge.
fmt.Fprintf(w, "# HELP sem_pressure_mbar Pressure in the SEM chamber, in millibar\n") fmt.Fprintf(w, "# HELP sem_pressure_mbar Pressure in the SEM chamber, in millibar\n")
fmt.Fprintf(w, "# TYPE sem_pressure_mbar gauge\n") fmt.Fprintf(w, "# TYPE sem_pressure_mbar gauge\n")
fmt.Fprintf(w, "sem_pressure_mbar %f\n", mbar) fmt.Fprintf(w, "sem_pressure_mbar %f\n", state.piraniMbar100.mbar)
fmt.Fprintf(w, "# HELP sem_pirani_mbar Pressure reading by the Pirani gauge, in millibar\n")
fmt.Fprintf(w, "# TYPE sem_pirani_mbar gauge\n")
fmt.Fprintf(w, "sem_pirani_mbar %f\n", state.piraniMbar100.mbar)
fmt.Fprintf(w, "# HELP sem_pirani_volts Voltage output from the Pirani gauge, in volts\n")
fmt.Fprintf(w, "# TYPE sem_pirani_volts gauge\n")
fmt.Fprintf(w, "sem_pirani_volts %f\n", state.piraniVolts100.avg)
fmt.Fprintf(w, "# HELP sem_pirani_failsafe_active Whether pirani gauge failsafe mode is active (boolean)\n")
fmt.Fprintf(w, "# TYPE sem_pirani_failsafe_active gauge\n")
fmt.Fprintf(w, "sem_pirani_failsafe_active %f\n", boolToFloat(state.safety.failsafe))
fmt.Fprintf(w, "# HELP sem_dp_lockout_active Whether diffusion pump lockout is active (boolean)\n")
fmt.Fprintf(w, "# TYPE sem_dp_lockout_active gauge\n")
fmt.Fprintf(w, "sem_dp_lockout_active %f\n", boolToFloat(state.safety.highPressure))
fmt.Fprintf(w, "# HELP sem_pump_diffusion_running Whether the diffusion pump is running (boolean)\n")
fmt.Fprintf(w, "# TYPE sem_pump_diffusion_running gauge\n")
fmt.Fprintf(w, "sem_pump_diffusion_running %f\n", boolToFloat(state.dpOn))
fmt.Fprintf(w, "# HELP sem_pump_roughing_running Whether the roughing pump is running (boolean)\n")
fmt.Fprintf(w, "# TYPE sem_pump_roughing_running gauge\n")
fmt.Fprintf(w, "sem_pump_roughing_running %f\n", boolToFloat(state.rpOn))
rough, high := state.vacuumStatus()
fmt.Fprintf(w, "# HELP sem_vacuum_rough_reached Whether a rough vacuum has been reached (boolean)\n")
fmt.Fprintf(w, "# TYPE sem_vacuum_rough_reached gauge\n")
fmt.Fprintf(w, "sem_vacuum_rough_reached %f\n", boolToFloat(rough))
fmt.Fprintf(w, "# HELP sem_vacuum_high_reached Whether a high vacuum has been reached (boolean)\n")
fmt.Fprintf(w, "# TYPE sem_vacuum_high_reached gauge\n")
fmt.Fprintf(w, "sem_vacuum_high_reached %f\n", boolToFloat(high))
} }
func (s *webServer) viewRoughingPumpEnable(w http.ResponseWriter, r *http.Request) { func (s *webServer) viewRoughingPumpEnable(w http.ResponseWriter, r *http.Request) {