refactor: moved all fatal errors to logrus

This will allow us to test commands that would normally exit

cli/cli.go

@@ -2,9 +2,9 @@ package cli
 
 import (
 	"fmt"
-	"log"
 	"os"
 
+	"github.com/sirupsen/logrus"
 	"github.com/urfave/cli/v2"
 )
 
@@ -46,6 +46,6 @@ func RunApp(version string, commit string) {
 
 	err := app.Run(os.Args)
 	if err != nil {
-		log.Fatal(err)
+		logrus.Fatal(err)
 	}
 }