mirror of https://github.com/k3s-io/k3s
91 lines
3.0 KiB
Go
91 lines
3.0 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// Package install installs the experimental API group, making it available as
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// an option to all of the API encoding/decoding machinery.
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package install
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import (
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"fmt"
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"strings"
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"github.com/golang/glog"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/latest"
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"k8s.io/kubernetes/pkg/api/meta"
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"k8s.io/kubernetes/pkg/api/registered"
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apiutil "k8s.io/kubernetes/pkg/api/util"
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_ "k8s.io/kubernetes/pkg/apis/experimental"
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"k8s.io/kubernetes/pkg/apis/experimental/v1"
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"k8s.io/kubernetes/pkg/runtime"
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"k8s.io/kubernetes/pkg/util/sets"
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)
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const importPrefix = "k8s.io/kubernetes/pkg/apis/experimental"
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var accessor = meta.NewAccessor()
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func init() {
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groupMeta, err := latest.RegisterGroup("experimental")
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if err != nil {
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glog.V(4).Infof("%v", err)
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return
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}
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registeredGroupVersions := registered.GroupVersionsForGroup("experimental")
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groupVersion := registeredGroupVersions[0]
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*groupMeta = latest.GroupMeta{
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GroupVersion: groupVersion,
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Group: apiutil.GetGroup(groupVersion),
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Version: apiutil.GetVersion(groupVersion),
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// TODO: caesarxuchao: change it to groupVersion when we support multiple groups
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Codec: runtime.CodecFor(api.Scheme, apiutil.GetVersion(groupVersion)),
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}
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var versions []string
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for i := len(registeredGroupVersions) - 1; i >= 0; i-- {
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versions = append(versions, apiutil.GetVersion(registeredGroupVersions[i]))
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}
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groupMeta.Versions = versions
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groupMeta.SelfLinker = runtime.SelfLinker(accessor)
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// the list of kinds that are scoped at the root of the api hierarchy
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// if a kind is not enumerated here, it is assumed to have a namespace scope
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rootScoped := sets.NewString()
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ignoredKinds := sets.NewString()
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groupMeta.RESTMapper = api.NewDefaultRESTMapper("experimental", versions, interfacesFor, importPrefix, ignoredKinds, rootScoped)
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api.RegisterRESTMapper(groupMeta.RESTMapper)
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groupMeta.InterfacesFor = interfacesFor
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}
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// InterfacesFor returns the default Codec and ResourceVersioner for a given version
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// string, or an error if the version is not known.
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func interfacesFor(version string) (*meta.VersionInterfaces, error) {
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switch version {
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case "v1":
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return &meta.VersionInterfaces{
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Codec: v1.Codec,
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ObjectConvertor: api.Scheme,
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MetadataAccessor: accessor,
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}, nil
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default:
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g, _ := latest.Group("experimental")
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return nil, fmt.Errorf("unsupported storage version: %s (valid: %s)", version, strings.Join(g.Versions, ", "))
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}
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}
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