53 lines
1.6 KiB
Go
53 lines
1.6 KiB
Go
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/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package containerd
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import (
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"context"
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"github.com/containerd/containerd/namespaces"
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"google.golang.org/grpc"
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)
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type namespaceInterceptor struct {
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namespace string
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}
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func (ni namespaceInterceptor) unary(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
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_, ok := namespaces.Namespace(ctx)
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if !ok {
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ctx = namespaces.WithNamespace(ctx, ni.namespace)
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}
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return invoker(ctx, method, req, reply, cc, opts...)
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}
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func (ni namespaceInterceptor) stream(ctx context.Context, desc *grpc.StreamDesc, cc *grpc.ClientConn, method string, streamer grpc.Streamer, opts ...grpc.CallOption) (grpc.ClientStream, error) {
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_, ok := namespaces.Namespace(ctx)
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if !ok {
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ctx = namespaces.WithNamespace(ctx, ni.namespace)
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}
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return streamer(ctx, desc, cc, method, opts...)
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}
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func newNSInterceptors(ns string) (grpc.UnaryClientInterceptor, grpc.StreamClientInterceptor) {
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ni := namespaceInterceptor{
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namespace: ns,
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}
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return grpc.UnaryClientInterceptor(ni.unary), grpc.StreamClientInterceptor(ni.stream)
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}
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