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Add Connecter storage interface to API server

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Connecter is a type of resource that connects a request
coming from the client to an internal request within the cluster.
It will be used for exposing a pod's proxy, exec, and portforward
endpoints.
This commit is contained in:
Cesar Wong
2015-04-14 10:57:00 -04:00
parent a3f5dfd0e2
commit 49abf9133e
4 changed files with 288 additions and 10 deletions
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57
pkg/apiserver/resthandler.go
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@@ -116,16 +116,7 @@ func GetResource(r rest.Getter, scope RequestScope) restful.RouteFunction {
func GetResourceWithOptions(r rest.GetterWithOptions, scope RequestScope, getOptionsKind string, subpath bool, subpathKey string) restful.RouteFunction {
return getResourceHandler(scope,
func(ctx api.Context, name string, req *restful.Request) (runtime.Object, error) {
query := req.Request.URL.Query()
if subpath {
newQuery := make(url.Values)
for k, v := range query {
newQuery[k] = v
}
newQuery[subpathKey] = []string{req.PathParameter("path")}
query = newQuery
}
opts, err := queryToObject(query, scope, getOptionsKind)
opts, err := getRequestOptions(req, scope, getOptionsKind, subpath, subpathKey)
if err != nil {
return nil, err
}
@@ -133,6 +124,52 @@ func GetResourceWithOptions(r rest.GetterWithOptions, scope RequestScope, getOpt
})
}
func getRequestOptions(req *restful.Request, scope RequestScope, kind string, subpath bool, subpathKey string) (runtime.Object, error) {
if len(kind) == 0 {
return nil, nil
}
query := req.Request.URL.Query()
if subpath {
newQuery := make(url.Values)
for k, v := range query {
newQuery[k] = v
}
newQuery[subpathKey] = []string{req.PathParameter("path")}
query = newQuery
}
return queryToObject(query, scope, kind)
}
// ConnectResource returns a function that handles a connect request on a rest.Storage object.
func ConnectResource(connecter rest.Connecter, scope RequestScope, connectOptionsKind string, subpath bool, subpathKey string) restful.RouteFunction {
return func(req *restful.Request, res *restful.Response) {
w := res.ResponseWriter
namespace, name, err := scope.Namer.Name(req)
if err != nil {
errorJSON(err, scope.Codec, w)
return
}
ctx := scope.ContextFunc(req)
ctx = api.WithNamespace(ctx, namespace)
opts, err := getRequestOptions(req, scope, connectOptionsKind, subpath, subpathKey)
if err != nil {
errorJSON(err, scope.Codec, w)
return
}
handler, err := connecter.Connect(ctx, name, opts)
if err != nil {
errorJSON(err, scope.Codec, w)
return
}
handler.ServeHTTP(w, req.Request)
err = handler.RequestError()
if err != nil {
errorJSON(err, scope.Codec, w)
return
}
}
}
// ListResource returns a function that handles retrieving a list of resources from a rest.Storage object.
func ListResource(r rest.Lister, rw rest.Watcher, scope RequestScope, forceWatch bool) restful.RouteFunction {
return func(req *restful.Request, res *restful.Response) {