1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
// Copyright (C) 2016-2017 Vincent Ambo <mail@tazj.in>
//
// This file is part of Kontemplate.
//
// Kontemplate is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
package util
import (
"encoding/json"
"fmt"
"io/ioutil"
"strings"
"github.com/ghodss/yaml"
)
// Filenames excluded from templating for the purpose of containing default variable values inside a resource set.
var DefaultFilenames []string = []string{"default.yml", "default.yaml", "default.json"}
// Merges two maps together. Values from the second map override values in the first map.
// The returned map is new if anything was changed.
func Merge(in1 *map[string]interface{}, in2 *map[string]interface{}) *map[string]interface{} {
if in1 == nil || len(*in1) == 0 {
return in2
}
if in2 == nil || len(*in2) == 0 {
return in1
}
new := make(map[string]interface{})
for k, v := range *in1 {
new[k] = v
}
for k, v := range *in2 {
new[k] = v
}
return &new
}
// Loads either a YAML or JSON file from the specified path and deserialises it into the provided interface.
func LoadJsonOrYaml(filename string, addr interface{}) error {
file, err := ioutil.ReadFile(filename)
if err != nil {
return err
}
if strings.HasSuffix(filename, "json") {
err = json.Unmarshal(file, addr)
} else if strings.HasSuffix(filename, "yaml") || strings.HasSuffix(filename, "yml") {
err = yaml.Unmarshal(file, addr)
} else {
return fmt.Errorf("File format not supported. Must be JSON or YAML.")
}
return nil
}
|
