diff options
Diffstat (limited to 'kube2msb/src/vendor/k8s.io/kubernetes/pkg/api/context.go')
-rw-r--r-- | kube2msb/src/vendor/k8s.io/kubernetes/pkg/api/context.go | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/kube2msb/src/vendor/k8s.io/kubernetes/pkg/api/context.go b/kube2msb/src/vendor/k8s.io/kubernetes/pkg/api/context.go deleted file mode 100644 index 096144b..0000000 --- a/kube2msb/src/vendor/k8s.io/kubernetes/pkg/api/context.go +++ /dev/null @@ -1,121 +0,0 @@ -/* -Copyright 2014 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 api - -import ( - stderrs "errors" - "time" - - "golang.org/x/net/context" - "k8s.io/kubernetes/pkg/auth/user" -) - -// Context carries values across API boundaries. -// This context matches the context.Context interface -// (https://blog.golang.org/context), for the purposes -// of passing the api.Context through to the storage tier. -// TODO: Determine the extent that this abstraction+interface -// is used by the api, and whether we can remove. -type Context interface { - // Value returns the value associated with key or nil if none. - Value(key interface{}) interface{} - - // Deadline returns the time when this Context will be canceled, if any. - Deadline() (deadline time.Time, ok bool) - - // Done returns a channel that is closed when this Context is canceled - // or times out. - Done() <-chan struct{} - - // Err indicates why this context was canceled, after the Done channel - // is closed. - Err() error -} - -// The key type is unexported to prevent collisions -type key int - -// namespaceKey is the context key for the request namespace. -const namespaceKey key = 0 - -// userKey is the context key for the request user. -const userKey key = 1 - -// NewContext instantiates a base context object for request flows. -func NewContext() Context { - return context.TODO() -} - -// NewDefaultContext instantiates a base context object for request flows in the default namespace -func NewDefaultContext() Context { - return WithNamespace(NewContext(), NamespaceDefault) -} - -// WithValue returns a copy of parent in which the value associated with key is val. -func WithValue(parent Context, key interface{}, val interface{}) Context { - internalCtx, ok := parent.(context.Context) - if !ok { - panic(stderrs.New("Invalid context type")) - } - return context.WithValue(internalCtx, key, val) -} - -// WithNamespace returns a copy of parent in which the namespace value is set -func WithNamespace(parent Context, namespace string) Context { - return WithValue(parent, namespaceKey, namespace) -} - -// NamespaceFrom returns the value of the namespace key on the ctx -func NamespaceFrom(ctx Context) (string, bool) { - namespace, ok := ctx.Value(namespaceKey).(string) - return namespace, ok -} - -// NamespaceValue returns the value of the namespace key on the ctx, or the empty string if none -func NamespaceValue(ctx Context) string { - namespace, _ := NamespaceFrom(ctx) - return namespace -} - -// ValidNamespace returns false if the namespace on the context differs from the resource. If the resource has no namespace, it is set to the value in the context. -func ValidNamespace(ctx Context, resource *ObjectMeta) bool { - ns, ok := NamespaceFrom(ctx) - if len(resource.Namespace) == 0 { - resource.Namespace = ns - } - return ns == resource.Namespace && ok -} - -// WithNamespaceDefaultIfNone returns a context whose namespace is the default if and only if the parent context has no namespace value -func WithNamespaceDefaultIfNone(parent Context) Context { - namespace, ok := NamespaceFrom(parent) - if !ok || len(namespace) == 0 { - return WithNamespace(parent, NamespaceDefault) - } - return parent -} - -// WithUser returns a copy of parent in which the user value is set -func WithUser(parent Context, user user.Info) Context { - return WithValue(parent, userKey, user) -} - -// UserFrom returns the value of the user key on the ctx -func UserFrom(ctx Context) (user.Info, bool) { - user, ok := ctx.Value(userKey).(user.Info) - return user, ok -} |