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Add a server side export facility

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This commit is contained in:
Brendan Burns
2015-12-01 15:45:29 -08:00
parent 91ef756bea
commit 2efcccf981
41 changed files with 16730 additions and 14701 deletions
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24
pkg/apiserver/resthandler.go
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@@ -32,6 +32,7 @@ import (
"k8s.io/kubernetes/pkg/api/meta"
"k8s.io/kubernetes/pkg/api/rest"
"k8s.io/kubernetes/pkg/api/unversioned"
"k8s.io/kubernetes/pkg/api/v1"
"k8s.io/kubernetes/pkg/fields"
"k8s.io/kubernetes/pkg/runtime"
"k8s.io/kubernetes/pkg/util"
@@ -112,24 +113,43 @@ func getResourceHandler(scope RequestScope, getter getterFunc) restful.RouteFunc
}
// GetResource returns a function that handles retrieving a single resource from a rest.Storage object.
func GetResource(r rest.Getter, scope RequestScope) restful.RouteFunction {
func GetResource(r rest.Getter, e rest.Exporter, scope RequestScope) restful.RouteFunction {
return getResourceHandler(scope,
func(ctx api.Context, name string, req *restful.Request) (runtime.Object, error) {
// For performance tracking purposes.
trace := util.NewTrace("Get " + req.Request.URL.Path)
defer trace.LogIfLong(250 * time.Millisecond)
opts := v1.ExportOptions{}
if err := scope.Codec.DecodeParametersInto(req.Request.URL.Query(), &opts); err != nil {
return nil, err
}
internalOpts := unversioned.ExportOptions{}
scope.Convertor.Convert(&opts, &internalOpts)
if internalOpts.Export {
if e == nil {
return nil, errors.NewBadRequest("export unsupported")
}
return e.Export(ctx, name, internalOpts)
}
return r.Get(ctx, name)
})
}
// GetResourceWithOptions returns a function that handles retrieving a single resource from a rest.Storage object.
func GetResourceWithOptions(r rest.GetterWithOptions, scope RequestScope, internalKind, externalKind unversioned.GroupVersionKind, subpath bool, subpathKey string) restful.RouteFunction {
func GetResourceWithOptions(r rest.GetterWithOptions, e rest.Exporter, scope RequestScope, internalKind, externalKind unversioned.GroupVersionKind, subpath bool, subpathKey string) restful.RouteFunction {
return getResourceHandler(scope,
func(ctx api.Context, name string, req *restful.Request) (runtime.Object, error) {
opts, err := getRequestOptions(req, scope, internalKind, externalKind, subpath, subpathKey)
if err != nil {
return nil, err
}
exportOpts := unversioned.ExportOptions{}
if err := scope.Codec.DecodeParametersInto(req.Request.URL.Query(), &exportOpts); err != nil {
return nil, err
}
if exportOpts.Export {
return nil, errors.NewBadRequest("export unsupported")
}
return r.Get(ctx, name, opts)
})
}