Start cleaning up linter errors. (#358)

* Start cleaning up linter errors. For #357

* Fix unmarshalling NullTime values

* More linter fixes

* Remove commented code

* Move defer up

* Consolidate error check lines

* Move error check to make sure row iteration was successful

* Cleaner error check + do not recreate pipe if it exists

* Consolidate hashing to generate client id

controllers/admin/hardware.go

@@ -5,6 +5,7 @@ import (
 	"net/http"
 
 	"github.com/owncast/owncast/metrics"
+	log "github.com/sirupsen/logrus"
 )
 
 // GetHardwareStats will return hardware utilization over time.
@@ -12,5 +13,8 @@ func GetHardwareStats(w http.ResponseWriter, r *http.Request) {
 	m := metrics.Metrics
 
 	w.Header().Set("Content-Type", "application/json")
-	json.NewEncoder(w).Encode(m)
+	err := json.NewEncoder(w).Encode(m)
+	if err != nil {
+		log.Errorln(err)
+	}
 }