e67c6be052
Adds a default namespace to the client. Intercepts client requests to add namespace to context. Signed-off-by: Derek McGowan <derek@mcgstyle.net>
36 lines
1.1 KiB
Go
36 lines
1.1 KiB
Go
package containerd
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import (
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"github.com/containerd/containerd/namespaces"
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"golang.org/x/net/context"
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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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