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
|
package platform
import (
"fmt"
"runtime"
"github.com/containerd/platforms"
v1 "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/sirupsen/logrus"
)
// Normalize normalizes (according to the OCI spec) the specified os,
// arch and variant. If left empty, the individual item will be normalized.
func Normalize(rawOS, rawArch, rawVariant string) (os, arch, variant string) {
platformSpec := v1.Platform{
OS: rawOS,
Architecture: rawArch,
Variant: rawVariant,
}
normalizedSpec := platforms.Normalize(platformSpec)
if normalizedSpec.Variant == "" && rawVariant != "" {
normalizedSpec.Variant = rawVariant
}
rawPlatform := ToString(normalizedSpec.OS, normalizedSpec.Architecture, normalizedSpec.Variant)
normalizedPlatform, err := platforms.Parse(rawPlatform)
if err != nil {
logrus.Debugf("Error normalizing platform: %v", err)
return rawOS, rawArch, rawVariant
}
logrus.Debugf("Normalized platform %s to %s", rawPlatform, normalizedPlatform)
os = rawOS
if rawOS != "" {
os = normalizedPlatform.OS
}
arch = rawArch
if rawArch != "" {
arch = normalizedPlatform.Architecture
}
variant = rawVariant
if rawVariant != "" || (rawVariant == "" && normalizedPlatform.Variant != "") {
variant = normalizedPlatform.Variant
}
return os, arch, variant
}
func ToString(os, arch, variant string) string {
if os == "" {
os = runtime.GOOS
}
if arch == "" {
arch = runtime.GOARCH
}
if variant == "" {
return fmt.Sprintf("%s/%s", os, arch)
}
return fmt.Sprintf("%s/%s/%s", os, arch, variant)
}
|
