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[FIX] fix bug "err declared and not used"

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This commit is contained in:
goodrain 2018-02-07 16:24:02 +08:00
parent 2dff36b3d5
commit 4b02f58beb
1 changed files with 3 additions and 0 deletions
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3
pkg/api/handler/eventLog.go
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@ -180,6 +180,9 @@ func (l *LogAction) GetLinesLogs(alias string, n int) ([]byte, error) {
downLoadDIR := "/grdata/downloads"
filePath := fmt.Sprintf("%s/log/%s/stdout.log", downLoadDIR, alias)
if ok, err := util.FileExists(filePath); !ok {
if err != nil {
logrus.Errorf("check file exist error %s", err.Error())
}
return []byte(""), nil
}
f, err := exec.Command("tail", "-n", fmt.Sprintf("%d", n), filePath).Output()