diff options
Diffstat (limited to 'kube2msb/src/vendor/k8s.io/kubernetes/pkg/apis/batch/install')
-rw-r--r-- | kube2msb/src/vendor/k8s.io/kubernetes/pkg/apis/batch/install/install.go | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/kube2msb/src/vendor/k8s.io/kubernetes/pkg/apis/batch/install/install.go b/kube2msb/src/vendor/k8s.io/kubernetes/pkg/apis/batch/install/install.go new file mode 100644 index 0000000..22f92b7 --- /dev/null +++ b/kube2msb/src/vendor/k8s.io/kubernetes/pkg/apis/batch/install/install.go @@ -0,0 +1,137 @@ +/* +Copyright 2016 The Kubernetes Authors. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +// Package install installs the batch API group, making it available as +// an option to all of the API encoding/decoding machinery. +package install + +import ( + "fmt" + + "github.com/golang/glog" + + "k8s.io/kubernetes/pkg/api" + "k8s.io/kubernetes/pkg/api/meta" + "k8s.io/kubernetes/pkg/api/unversioned" + "k8s.io/kubernetes/pkg/apimachinery" + "k8s.io/kubernetes/pkg/apimachinery/registered" + "k8s.io/kubernetes/pkg/apis/batch" + "k8s.io/kubernetes/pkg/apis/batch/v1" + "k8s.io/kubernetes/pkg/apis/batch/v2alpha1" + "k8s.io/kubernetes/pkg/runtime" + "k8s.io/kubernetes/pkg/util/sets" +) + +const importPrefix = "k8s.io/kubernetes/pkg/apis/batch" + +var accessor = meta.NewAccessor() + +// availableVersions lists all known external versions for this group from most preferred to least preferred +var availableVersions = []unversioned.GroupVersion{v1.SchemeGroupVersion, v2alpha1.SchemeGroupVersion} + +func init() { + registered.RegisterVersions(availableVersions) + externalVersions := []unversioned.GroupVersion{} + for _, v := range availableVersions { + if registered.IsAllowedVersion(v) { + externalVersions = append(externalVersions, v) + } + } + if len(externalVersions) == 0 { + glog.V(4).Infof("No version is registered for group %v", batch.GroupName) + return + } + + if err := registered.EnableVersions(externalVersions...); err != nil { + glog.V(4).Infof("%v", err) + return + } + if err := enableVersions(externalVersions); err != nil { + glog.V(4).Infof("%v", err) + return + } +} + +// TODO: enableVersions should be centralized rather than spread in each API +// group. +// We can combine registered.RegisterVersions, registered.EnableVersions and +// registered.RegisterGroup once we have moved enableVersions there. +func enableVersions(externalVersions []unversioned.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 := registered.RegisterGroup(groupMeta); err != nil { + return err + } + api.RegisterRESTMapper(groupMeta.RESTMapper) + return nil +} + +func newRESTMapper(externalVersions []unversioned.GroupVersion) meta.RESTMapper { + // the list of kinds that are scoped at the root of the api hierarchy + // if a kind is not enumerated here, it is assumed to have a namespace scope + rootScoped := sets.NewString() + + ignoredKinds := sets.NewString() + + return api.NewDefaultRESTMapper(externalVersions, interfacesFor, importPrefix, ignoredKinds, rootScoped) +} + +// interfacesFor returns the default Codec and ResourceVersioner for a given version +// string, or an error if the version is not known. +func interfacesFor(version unversioned.GroupVersion) (*meta.VersionInterfaces, error) { + switch version { + case v1.SchemeGroupVersion: + return &meta.VersionInterfaces{ + ObjectConvertor: api.Scheme, + MetadataAccessor: accessor, + }, nil + case v2alpha1.SchemeGroupVersion: + return &meta.VersionInterfaces{ + ObjectConvertor: api.Scheme, + MetadataAccessor: accessor, + }, nil + default: + g, _ := registered.Group(batch.GroupName) + return nil, fmt.Errorf("unsupported storage version: %s (valid: %v)", version, g.GroupVersions) + } +} + +func addVersionsToScheme(externalVersions ...unversioned.GroupVersion) { + // add the internal version to Scheme + batch.AddToScheme(api.Scheme) + // add the enabled external versions to Scheme + for _, v := range externalVersions { + if !registered.IsEnabledVersion(v) { + glog.Errorf("Version %s is not enabled, so it will not be added to the Scheme.", v) + continue + } + switch v { + case v1.SchemeGroupVersion: + v1.AddToScheme(api.Scheme) + case v2alpha1.SchemeGroupVersion: + v2alpha1.AddToScheme(api.Scheme) + } + } +} |