-
Notifications
You must be signed in to change notification settings - Fork 23
/
source.go
63 lines (57 loc) · 1.97 KB
/
source.go
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
/*
* === This file is part of ALICE O² ===
*
* Copyright 2018 CERN and copyright holders of ALICE O².
* Author: Teo Mrnjavac <teo.mrnjavac@cern.ch>
*
* This program 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* In applying this license CERN does not waive the privileges and
* immunities granted to it by virtue of its status as an
* Intergovernmental Organization or submit itself to any jurisdiction.
*/
// Package configuration defines the Source interface as the
// main access point to O² Configuration backends.
// Consul and YAML backends are also provided.
package cfgbackend
import (
"errors"
"strings"
)
type ROSource interface {
Get(string) (string, error)
GetKeysByPrefix(string)([]string, error)
GetRecursive(string) (Item, error)
GetRecursiveYaml(string) ([]byte, error)
Exists(string) (bool, error)
IsDir(string) bool
}
type Source interface {
ROSource
Put(string, string) error
PutRecursive(string, Item) error
PutRecursiveYaml(string, []byte) error
}
func NewSource(uri string) (configuration Source, err error) {
if strings.HasPrefix(uri, "consul://") {
configuration, err = NewConsulSource(strings.TrimPrefix(uri, "consul://"))
return
} else if strings.HasPrefix(uri, "file://") &&
(strings.HasSuffix(uri, ".yaml") || strings.HasSuffix(uri, ".json")) {
configuration, err = newYamlSource(uri)
return
}
err = errors.New("bad URI for configuration source")
return
}