neo-go/pkg/network/metrics/metrics.go
2020-01-10 11:14:27 +03:00

45 lines
1,006 B
Go

package metrics
import (
"context"
"net/http"
"go.uber.org/zap"
)
// Service serves metrics.
type Service struct {
*http.Server
config Config
log *zap.Logger
serviceType string
}
// Config config used for monitoring.
type Config struct {
Enabled bool `yaml:"Enabled"`
Address string `yaml:"Address"`
Port string `yaml:"Port"`
}
// Start runs http service with exposed endpoint on configured port.
func (ms *Service) Start() {
if ms.config.Enabled {
ms.log.Info("service is running", zap.String("endpoint", ms.Addr))
err := ms.ListenAndServe()
if err != nil && err != http.ErrServerClosed {
ms.log.Warn("service couldn't start on configured port")
}
} else {
ms.log.Info("service hasn't started since it's disabled")
}
}
// ShutDown stops service.
func (ms *Service) ShutDown() {
ms.log.Info("shutting down service", zap.String("endpoint", ms.Addr))
err := ms.Shutdown(context.Background())
if err != nil {
ms.log.Panic("can't shut down service")
}
}