log-parser: move the kata-log-parser from the tests repo

to the kata-containers repo under the src/tools/log-parser folder
and vendor the modules

Fixes: #4100
Signed-off-by: Snir Sheriber <ssheribe@redhat.com>

src/tools/log-parser/display_csv.go

@@ -0,0 +1,53 @@
+//
+// Copyright (c) 2018 Intel Corporation
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+package main
+
+import (
+	"encoding/csv"
+	"fmt"
+	"os"
+	"reflect"
+)
+
+type displayCSV struct {
+}
+
+func (d *displayCSV) logEntryToSlice(entry LogEntry) []string {
+	var record []string
+
+	v := reflect.ValueOf(entry)
+
+	for i := 0; i < v.NumField(); i++ {
+		field := v.Field(i)
+
+		value := fmt.Sprintf("%v", field.Interface())
+		record = append(record, value)
+	}
+
+	return record
+}
+
+func (d *displayCSV) Display(entries *LogEntries, fieldNames []string, file *os.File) error {
+	writer := csv.NewWriter(file)
+
+	// header showing the format of the subsequent records
+	if err := writer.Write(fieldNames); err != nil {
+		return err
+	}
+
+	for _, entry := range entries.Entries {
+		record := d.logEntryToSlice(entry)
+
+		if err := writer.Write(record); err != nil {
+			return err
+		}
+	}
+
+	writer.Flush()
+
+	return writer.Error()
+}