-
Notifications
You must be signed in to change notification settings - Fork 288
/
container.go
88 lines (74 loc) · 1.72 KB
/
container.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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
package container
import (
"fmt"
"strings"
"github.com/docker/distribution/reference"
"github.com/pkg/errors"
)
type ID string
type Name string
func (id ID) Empty() bool { return id.String() == "" }
func (id ID) String() string { return string(id) }
func (id ID) ShortStr() string {
if len(string(id)) > 10 {
return string(id)[:10]
}
return string(id)
}
func ShortStrs(ids []ID) string {
shortStrs := make([]string, len(ids))
for i, id := range ids {
shortStrs[i] = id.ShortStr()
}
return strings.Join(shortStrs, ", ")
}
func (n Name) String() string { return string(n) }
func ParseNamed(s string) (reference.Named, error) {
return reference.ParseNormalizedNamed(s)
}
func ParseNamedTagged(s string) (reference.NamedTagged, error) {
ref, err := reference.ParseNormalizedNamed(s)
if err != nil {
return nil, errors.Wrapf(err, "parsing %s", s)
}
nt, ok := ref.(reference.NamedTagged)
if !ok {
return nil, fmt.Errorf("could not parse ref %s as NamedTagged", ref)
}
return nt, nil
}
func MustParseNamedTagged(s string) reference.NamedTagged {
nt, err := ParseNamedTagged(s)
if err != nil {
panic(err)
}
return nt
}
func MustParseNamed(s string) reference.Named {
n, err := reference.ParseNormalizedNamed(s)
if err != nil {
panic(fmt.Sprintf("MustParseNamed(%q): %v", s, err))
}
return n
}
func NormalizeRef(ref string) (string, error) {
named, err := ParseNamed(ref)
if err != nil {
return "", err
}
return named.String(), nil
}
func MustNormalizeRef(ref string) string {
normalized, err := NormalizeRef(ref)
if err != nil {
panic(err)
}
return normalized
}
func NewIDSet(ids ...ID) map[ID]bool {
result := make(map[ID]bool, len(ids))
for _, id := range ids {
result[id] = true
}
return result
}