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latest.go
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latest.go
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package latest
import (
"fmt"
"strings"
"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
klatest "github.com/GoogleCloudPlatform/kubernetes/pkg/api/latest"
kmeta "github.com/GoogleCloudPlatform/kubernetes/pkg/api/meta"
"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
_ "github.com/openshift/origin/pkg/api"
"github.com/openshift/origin/pkg/api/meta"
"github.com/openshift/origin/pkg/api/v1beta1"
)
// Version is the string that represents the current external default version.
const Version = "v1beta1"
// OldestVersion is the string that represents the oldest server version supported,
// for client code that wants to hardcode the lowest common denominator.
const OldestVersion = "v1beta1"
// Versions is the list of versions that are recognized in code. The order provided
// may be assumed to be least feature rich to most feature rich, and clients may
// choose to prefer the latter items in the list over the former items when presented
// with a set of versions to choose.
var Versions = []string{"v1beta1"}
// Codec is the default codec for serializing output that should use
// the latest supported version. Use this Codec when writing to
// disk, a data store that is not dynamically versioned, or in tests.
// This codec can decode any object that OpenShift is aware of.
var Codec = v1beta1.Codec
// accessor is the shared static metadata accessor for the API.
var accessor = kmeta.NewAccessor()
// ResourceVersioner describes a default versioner that can handle all types
// of versioning.
// TODO: when versioning changes, make this part of each API definition.
var ResourceVersioner runtime.ResourceVersioner = accessor
// SelfLinker can set or get the SelfLink field of all API types.
// TODO: when versioning changes, make this part of each API definition.
// TODO(lavalamp): Combine SelfLinker & ResourceVersioner interfaces, force all uses
// to go through the InterfacesFor method below.
var SelfLinker runtime.SelfLinker = accessor
// RESTMapper provides the default mapping between REST paths and the objects declared in api.Scheme and all known
// Kubernetes versions.
var RESTMapper kmeta.RESTMapper
// InterfacesFor returns the default Codec and ResourceVersioner for a given version
// string, or an error if the version is not known.
func InterfacesFor(version string) (*kmeta.VersionInterfaces, error) {
switch version {
case "v1beta1":
return &kmeta.VersionInterfaces{
Codec: v1beta1.Codec,
ObjectConvertor: api.Scheme,
MetadataAccessor: accessor,
}, nil
default:
return nil, fmt.Errorf("unsupported storage version: %s (valid: %s)", version, strings.Join(Versions, ", "))
}
}
// originTypes are the hardcoded types defined by the OpenShift API.
var originTypes = []string{
"Build", "BuildConfig", "BuildLog",
"Deployment", "DeploymentConfig",
"Image", "ImageRepository", "ImageRepositoryMapping",
"Template", "TemplateConfig",
"Route",
"Project",
"User",
"OAuth",
}
// OriginKind returns true if OpenShift owns the kind described in a given apiVersion.
// TODO: make this based on scheme information or other behavior
func OriginKind(kind, apiVersion string) bool {
for _, t := range originTypes {
if t == kind {
return true
}
}
return false
}
func init() {
kubeMapper := klatest.RESTMapper
originMapper := kmeta.NewDefaultRESTMapper(
Versions,
func(version string) (*kmeta.VersionInterfaces, bool) {
interfaces, err := InterfacesFor(version)
if err != nil {
return nil, false
}
return interfaces, true
},
)
originMapper.Add(api.Scheme, true, Versions...)
// For Origin we use MultiRESTMapper that handles both Origin and Kubernetes
// objects
RESTMapper = meta.MultiRESTMapper{originMapper, kubeMapper}
}