forked from openshift/origin
-
Notifications
You must be signed in to change notification settings - Fork 1
/
install.go
115 lines (97 loc) · 3.4 KB
/
install.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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
package install
import (
"fmt"
"github.com/golang/glog"
"k8s.io/apimachinery/pkg/api/meta"
"k8s.io/apimachinery/pkg/apimachinery"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/util/sets"
kapi "k8s.io/kubernetes/pkg/api"
"github.com/openshift/origin/pkg/image/api"
"github.com/openshift/origin/pkg/image/api/docker10"
"github.com/openshift/origin/pkg/image/api/dockerpre012"
"github.com/openshift/origin/pkg/image/api/v1"
)
const importPrefix = "github.com/openshift/origin/pkg/image/api"
var accessor = meta.NewAccessor()
// availableVersions lists all known external versions for this group from most preferred to least preferred
var availableVersions = []schema.GroupVersion{
v1.LegacySchemeGroupVersion,
}
func init() {
kapi.Registry.RegisterVersions(availableVersions)
externalVersions := []schema.GroupVersion{}
for _, v := range availableVersions {
if kapi.Registry.IsAllowedVersion(v) {
externalVersions = append(externalVersions, v)
}
}
if len(externalVersions) == 0 {
glog.Infof("No version is registered for group %v", api.LegacyGroupName)
return
}
if err := kapi.Registry.EnableVersions(externalVersions...); err != nil {
panic(err)
}
if err := enableVersions(externalVersions); err != nil {
panic(err)
}
installApiGroup()
}
// TODO: enableVersions should be centralized rather than spread in each API
// group.
// We can combine kapi.Registry.RegisterVersions, kapi.Registry.EnableVersions and
// kapi.Registry.RegisterGroup once we have moved enableVersions there.
func enableVersions(externalVersions []schema.GroupVersion) error {
addVersionsToScheme(externalVersions...)
preferredExternalVersion := externalVersions[0]
groupMeta := apimachinery.GroupMeta{
GroupVersion: preferredExternalVersion,
GroupVersions: externalVersions,
RESTMapper: newRESTMapper(externalVersions),
SelfLinker: runtime.SelfLinker(accessor),
InterfacesFor: interfacesFor,
}
if err := kapi.Registry.RegisterGroup(groupMeta); err != nil {
return err
}
return nil
}
func addVersionsToScheme(externalVersions ...schema.GroupVersion) {
// add the internal version to Scheme
api.AddToSchemeInCoreGroup(kapi.Scheme)
// add the enabled external versions to Scheme
for _, v := range externalVersions {
if !kapi.Registry.IsEnabledVersion(v) {
glog.Errorf("Version %s is not enabled, so it will not be added to the Scheme.", v)
continue
}
switch v {
case v1.LegacySchemeGroupVersion:
v1.AddToSchemeInCoreGroup(kapi.Scheme)
docker10.AddToSchemeInCoreGroup(kapi.Scheme)
dockerpre012.AddToSchemeInCoreGroup(kapi.Scheme)
default:
glog.Errorf("Version %s is not known, so it will not be added to the Scheme.", v)
continue
}
}
}
func newRESTMapper(externalVersions []schema.GroupVersion) meta.RESTMapper {
rootScoped := sets.NewString("Image", "ImageSignature")
ignoredKinds := sets.NewString()
return meta.NewDefaultRESTMapperFromScheme(externalVersions, interfacesFor, importPrefix, ignoredKinds, rootScoped, kapi.Scheme)
}
func interfacesFor(version schema.GroupVersion) (*meta.VersionInterfaces, error) {
switch version {
case v1.LegacySchemeGroupVersion:
return &meta.VersionInterfaces{
ObjectConvertor: kapi.Scheme,
MetadataAccessor: accessor,
}, nil
default:
g, _ := kapi.Registry.Group(api.LegacyGroupName)
return nil, fmt.Errorf("unsupported storage version: %s (valid: %v)", version, g.GroupVersions)
}
}