LocalAI/core/services/metrics.go

55 lines
1.6 KiB
Go

package services
import (
"context"
"github.com/rs/zerolog/log"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/exporters/prometheus"
"go.opentelemetry.io/otel/metric"
metricApi "go.opentelemetry.io/otel/sdk/metric"
)
type LocalAIMetricsService struct {
Meter metric.Meter
ApiTimeMetric metric.Float64Histogram
}
func (m *LocalAIMetricsService) ObserveAPICall(method string, path string, duration float64) {
opts := metric.WithAttributes(
attribute.String("method", method),
attribute.String("path", path),
)
m.ApiTimeMetric.Record(context.Background(), duration, opts)
}
// setupOTelSDK bootstraps the OpenTelemetry pipeline.
// If it does not return an error, make sure to call shutdown for proper cleanup.
func NewLocalAIMetricsService() (*LocalAIMetricsService, error) {
exporter, err := prometheus.New()
if err != nil {
return nil, err
}
provider := metricApi.NewMeterProvider(metricApi.WithReader(exporter))
meter := provider.Meter("github.com/go-skynet/LocalAI")
apiTimeMetric, err := meter.Float64Histogram("api_call", metric.WithDescription("api calls"))
if err != nil {
return nil, err
}
return &LocalAIMetricsService{
Meter: meter,
ApiTimeMetric: apiTimeMetric,
}, nil
}
func (lams LocalAIMetricsService) Shutdown() error {
// TODO: Not sure how to actually do this:
//// setupOTelSDK bootstraps the OpenTelemetry pipeline.
//// If it does not return an error, make sure to call shutdown for proper cleanup.
log.Warn().Msgf("LocalAIMetricsService Shutdown called, but OTelSDK proper shutdown not yet implemented?")
return nil
}