forked from openshift/cluster-monitoring-operator
/
image.go
50 lines (41 loc) · 1.13 KB
/
image.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
// Copyright 2018 The Cluster Monitoring Operator Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package manifests
import (
"errors"
"strings"
)
type image struct {
repo string
tag string
}
var InvalidImage = errors.New("image string invalid")
func imageFromString(s string) (*image, error) {
parts := strings.Split(s, ":")
if len(parts) < 2 {
return nil, InvalidImage
}
return &image{
repo: strings.Join(parts[0:len(parts)-1], ":"),
tag: parts[len(parts)-1],
}, nil
}
func (i *image) String() string {
return i.repo + ":" + i.tag
}
func (i *image) SetTagIfNotEmpty(tag string) {
if tag != "" {
i.tag = tag
}
}