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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| package config | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "net" | ||
| "time" | ||
| ) | ||
|
|
||
| const ( | ||
| defaultMetricsPort = 2112 | ||
| defaultMetricsHost = "127.0.0.1" | ||
| defaultMetricsUpdateInterval = 100 * time.Millisecond | ||
| ) | ||
|
|
||
| // MetricsConfig defines the server's basic configuration | ||
| type MetricsConfig struct { | ||
| Host string `long:"host" description:"IP of the Prometheus server"` | ||
| Port int `long:"port" description:"Port of the Prometheus server"` | ||
| UpdateInterval time.Duration `long:"updateinterval" description:"The interval of Prometheus metrics updated"` | ||
| } | ||
|
|
||
| func (cfg *MetricsConfig) Validate() error { | ||
| if cfg.Port < 0 || cfg.Port > 65535 { | ||
| return fmt.Errorf("invalid port: %d", cfg.Port) | ||
| } | ||
|
|
||
| ip := net.ParseIP(cfg.Host) | ||
| if ip == nil { | ||
| return fmt.Errorf("invalid host: %v", cfg.Host) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (cfg *MetricsConfig) Address() (string, error) { | ||
| if err := cfg.Validate(); err != nil { | ||
| return "", err | ||
| } | ||
| return fmt.Sprintf("%s:%d", cfg.Host, cfg.Port), nil | ||
| } | ||
|
|
||
| func DefaultMetricsConfig() MetricsConfig { | ||
| return MetricsConfig{ | ||
| Port: defaultMetricsPort, | ||
| Host: defaultMetricsHost, | ||
| UpdateInterval: defaultMetricsUpdateInterval, | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| package covenant | ||
|
|
||
| import ( | ||
| "sync" | ||
| "time" | ||
|
|
||
| "github.com/prometheus/client_golang/prometheus" | ||
| "github.com/prometheus/client_golang/prometheus/promauto" | ||
| ) | ||
|
|
||
| type metricsTimer struct { | ||
| mu sync.Mutex | ||
| previousSubmission *time.Time | ||
| previousLocalSignStart, previousLocalSignFinish *time.Time | ||
| } | ||
|
|
||
| func newMetricsTimer() *metricsTimer { | ||
| return &metricsTimer{ | ||
| mu: sync.Mutex{}, | ||
| } | ||
| } | ||
|
|
||
| func (mt *metricsTimer) SetPreviousSubmission(t *time.Time) { | ||
| mt.mu.Lock() | ||
| defer mt.mu.Unlock() | ||
| mt.previousSubmission = t | ||
| } | ||
|
|
||
| func (mt *metricsTimer) SetPreviousSignStart(t *time.Time) { | ||
| mt.mu.Lock() | ||
| defer mt.mu.Unlock() | ||
| mt.previousLocalSignStart = t | ||
| } | ||
|
|
||
| func (mt *metricsTimer) SetPreviousSignFinish(t *time.Time) { | ||
| mt.mu.Lock() | ||
| defer mt.mu.Unlock() | ||
| mt.previousLocalSignFinish = t | ||
| } | ||
|
|
||
| func (mt *metricsTimer) UpdatePrometheusMetrics() { | ||
| mt.mu.Lock() | ||
| defer mt.mu.Unlock() | ||
|
|
||
| // only start updating metrics after the first submission is finished | ||
| if mt.previousSubmission == nil || mt.previousLocalSignStart == nil || mt.previousLocalSignFinish == nil { | ||
| return | ||
| } | ||
|
|
||
| // Update Prometheus Gauges | ||
| secondsSinceLastSubmission.Set(time.Since(*mt.previousSubmission).Seconds()) | ||
| secondsSinceLastSignStart.Set(time.Since(*mt.previousLocalSignStart).Seconds()) | ||
| secondsSinceLastSignFinish.Set(time.Since(*mt.previousLocalSignFinish).Seconds()) | ||
| } | ||
|
|
||
| var ( | ||
| // Variables to calculate Prometheus Metrics | ||
| metricsTimeKeeper = newMetricsTimer() | ||
|
|
||
| // Prometheus metrics | ||
| totalSignDelegationsSubmitted = promauto.NewCounterVec( | ||
| prometheus.CounterOpts{ | ||
| Name: "ce_total_sign_delegations_submitted", | ||
| Help: "Total number of signed delegations submitted", | ||
| }, | ||
| []string{"covenant_pk"}, | ||
| ) | ||
| failedSignDelegations = promauto.NewCounterVec( | ||
| prometheus.CounterOpts{ | ||
| Name: "ce_total_failed_sign_delegations", | ||
| Help: "Total number of failed sign delegations", | ||
| }, | ||
| []string{"covenant_pk"}, | ||
| ) | ||
| currentPendingDelegations = promauto.NewGaugeVec( | ||
| prometheus.GaugeOpts{ | ||
| Name: "ce_current_pending_delegations", | ||
| Help: "The number of current pending delegations", | ||
| }, | ||
| []string{"covenant_pk"}, | ||
| ) | ||
| secondsSinceLastSubmission = promauto.NewGauge(prometheus.GaugeOpts{ | ||
| Name: "ce_seconds_since_last_submission", | ||
| Help: "Seconds since last submission of signatures", | ||
| }) | ||
| secondsSinceLastSignStart = promauto.NewGauge(prometheus.GaugeOpts{ | ||
| Name: "ce_seconds_since_last_sign_start_time", | ||
| Help: "Seconds since last sign start", | ||
| }) | ||
| secondsSinceLastSignFinish = promauto.NewGauge(prometheus.GaugeOpts{ | ||
| Name: "ce_seconds_since_last_sign_finish_time", | ||
| Help: "Seconds since last sign finish", | ||
| }) | ||
|
|
||
| timedSignDelegationLag = promauto.NewSummary(prometheus.SummaryOpts{ | ||
| Name: "ce_sign_delegation_lag_seconds", | ||
| Help: "Seconds taken to sign a delegation", | ||
| Objectives: map[float64]float64{0.5: 0.05, 0.9: 0.01, 0.99: 0.001}, | ||
| }) | ||
| ) |
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