Fix golang lint errors (#2068)

* Fix golang lint errors

Signed-off-by: Harsh Thakur <harshthakur9030@gmail.com>

* Typo for fields

Signed-off-by: Harsh Thakur <harshthakur9030@gmail.com>

* Multi error fix

Signed-off-by: Harsh Thakur <harshthakur9030@gmail.com>

* Multi error fix

Signed-off-by: Harsh Thakur <harshthakur9030@gmail.com>

* Add nolint to logtostderr errcheck

Signed-off-by: Harsh Thakur <harshthakur9030@gmail.com>

cmd/reporter/app/cmd_event.go

@@ -16,6 +16,8 @@ limitations under the License.
 package app
 
 import (
+	"log"
+
 	"github.com/fission/fission/pkg/tracker"
 	"github.com/spf13/cobra"
 )
@@ -49,6 +51,7 @@ func eventCommandHandler(cmd *cobra.Command, args []string) error {
 	return tracker.Tracker.SendEvent(event)
 }
 
+//EventCommand reports an event to analytics
 func EventCommand() *cobra.Command {
 	eventCmd := &cobra.Command{
 		Use:   "event",
@@ -61,7 +64,13 @@ func EventCommand() *cobra.Command {
 	persistentFlags.StringP("action", "a", "", "event action")
 	persistentFlags.StringP("label", "l", "", "event label")
 	persistentFlags.StringP("value", "v", "", "event value")
-	eventCmd.MarkPersistentFlagRequired("category")
-	eventCmd.MarkPersistentFlagRequired("action")
+	err := eventCmd.MarkPersistentFlagRequired("category")
+	if err != nil {
+		log.Fatal(err)
+	}
+	err = eventCmd.MarkPersistentFlagRequired("action")
+	if err != nil {
+		log.Fatal(err)
+	}
 	return eventCmd
 }

cmd/reporter/main.go

@@ -17,9 +17,14 @@ limitations under the License.
 package main
 
 import (
+	"log"
+
 	"github.com/fission/fission/cmd/reporter/app"
 )
 
 func main() {
-	app.App().Execute()
+	err := app.App().Execute()
+	if err != nil {
+		log.Fatal(err)
+	}
 }