mirror of https://github.com/k3s-io/k3s
85 lines
3.1 KiB
Go
85 lines
3.1 KiB
Go
/*
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Copyright 2014 Google Inc. 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 latest
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import (
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"fmt"
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"strings"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api/v1beta1"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api/v1beta2"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
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)
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// Version is the string that represents the current external default version.
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const Version = "v1beta1"
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// OldestVersion is the string that represents the oldest server version supported,
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// for client code that wants to hardcode the lowest common denominator.
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const OldestVersion = "v1beta1"
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// Versions is the list of versions that are recognized in code. The order provided
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// may be assumed to be least feature rich to most feature rich, and clients may
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// choose to prefer the latter items in the list over the former items when presented
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// with a set of versions to choose.
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var Versions = []string{"v1beta1", "v1beta2"}
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// Codec is the default codec for serializing output that should use
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// the latest supported version. Use this Codec when writing to
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// disk, a data store that is not dynamically versioned, or in tests.
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// This codec can decode any object that Kubernetes is aware of.
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var Codec = v1beta1.Codec
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// ResourceVersioner describes a default versioner that can handle all types
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// of versioning.
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// TODO: when versioning changes, make this part of each API definition.
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var ResourceVersioner = runtime.NewJSONBaseResourceVersioner()
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// SelfLinker can set or get the SelfLink field of all API types.
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// TODO: when versioning changes, make this part of each API definition.
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// TODO(lavalamp): Combine SelfLinker & ResourceVersioner interfaces, force all uses
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// to go through the InterfacesFor method below.
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var SelfLinker = runtime.NewJSONBaseSelfLinker()
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// VersionInterfaces contains the interfaces one should use for dealing with types of a particular version.
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type VersionInterfaces struct {
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runtime.Codec
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runtime.ResourceVersioner
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runtime.SelfLinker
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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) (*VersionInterfaces, error) {
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switch version {
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case "v1beta1":
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return &VersionInterfaces{
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Codec: v1beta1.Codec,
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ResourceVersioner: ResourceVersioner,
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SelfLinker: SelfLinker,
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}, nil
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case "v1beta2":
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return &VersionInterfaces{
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Codec: v1beta2.Codec,
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ResourceVersioner: ResourceVersioner,
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SelfLinker: SelfLinker,
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}, nil
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default:
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return nil, fmt.Errorf("unsupported storage version: %s (valid: %s)", version, strings.Join(Versions, ", "))
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}
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}
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