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
|
package main
import (
"bytes"
"os"
"os/exec"
"path/filepath"
"strings"
"text/template"
"github.com/BurntSushi/toml"
)
type TemplateData struct {
Hostname string
Vars map[string]interface{}
}
func buildFuncMap() template.FuncMap {
return map[string]interface{}{
"pass": lookupPassword,
"env": os.Getenv,
}
}
func lookupPassword(name string) (string, error) {
out, err := exec.Command("pass", name).CombinedOutput()
if err != nil {
return "", err
}
buf := bytes.NewBuffer(out)
line, err := buf.ReadBytes('\n')
if err != nil {
return "", err
}
return strings.TrimRight(string(line), "\n"), nil
}
func getTemplateData() (*TemplateData, error) {
var data TemplateData
vars, err := readVars()
if err != nil {
return nil, err
}
data.Vars = vars
return &data, nil
}
func readVars() (map[string]interface{}, error) {
var vars map[string]interface{}
if _, err := toml.DecodeFile(filepath.Join(base, "vars.toml"), &vars); err != nil {
return nil, err
}
return vars, nil
}
|