fix : remove unnecessary logging for crc-exists file (#3676)

Remove unnecessary debug log statement for crc-exists file from
filestore Exists() method

Signed-off-by: Rohan Kumar <[email protected]>

pkg/libmachine/persist/filestore.go

@@ -83,7 +83,6 @@ func (s Filestore) SetExists(name string) error {
 func (s Filestore) Exists(name string) (bool, error) {
 	filename := filepath.Join(s.MachinesDir, name, fmt.Sprintf(".%s-exist", name))
 	_, err := os.Stat(filename)
-	log.Debugf("Checking file: %s", filename)
 
 	if os.IsNotExist(err) {
 		return false, nil

pkg/libmachine/persist/filestore_test.go

@@ -1,7 +1,9 @@
 package persist
 
 import (
+	"bytes"
 	"encoding/json"
+	"github.com/sirupsen/logrus"
 	"os"
 	"path/filepath"
 	"testing"
@@ -106,6 +108,28 @@ func TestStoreLoad(t *testing.T) {
 	assert.NoError(t, json.Unmarshal(rawDataDriver.Data, &realDriver))
 }
 
+func TestStoreExists_WhenExecuted_ThenDoesNotLogFileCheckInDebugMode(t *testing.T) {
+	// Given
+	var logBuffer bytes.Buffer
+	logrus.SetOutput(&logBuffer)
+	oldDebugLevel := logrus.GetLevel()
+	logrus.SetLevel(logrus.DebugLevel)
+	defer logrus.SetOutput(os.Stdout)
+	defer logrus.SetLevel(oldDebugLevel)
+	store := getTestStore(t)
+	h := testHost()
+
+	// When
+	exists, err := store.Exists(h.Name)
+
+	// Then
+	assert.NoError(t, err)
+	assert.False(t, exists)
+	logContents := logBuffer.String()
+	assert.Equal(t, logBuffer.Len(), 0)
+	assert.NotContains(t, logContents, "Checking file:")
+}
+
 func testHost() *host.Host {
 	return &host.Host{
 		ConfigVersion: host.Version,