mirror of
https://gitee.com/milvus-io/milvus.git
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89d8ce2f73
relate: https://github.com/milvus-io/milvus/issues/28086 --------- Signed-off-by: aoiasd <zhicheng.yue@zilliz.com>
88 lines
3.8 KiB
Go
88 lines
3.8 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package interceptor
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import (
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"context"
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"google.golang.org/grpc"
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"google.golang.org/grpc/metadata"
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"github.com/milvus-io/milvus/pkg/util/merr"
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"github.com/milvus-io/milvus/pkg/util/paramtable"
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)
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const ClusterKey = "Cluster"
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// ClusterValidationUnaryServerInterceptor returns a new unary server interceptor that
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// rejects the request if the client's cluster differs from that of the server.
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// It is chiefly employed to tackle the `Cross-Cluster Routing` issue.
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func ClusterValidationUnaryServerInterceptor() grpc.UnaryServerInterceptor {
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return func(ctx context.Context, req any, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
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md, ok := metadata.FromIncomingContext(ctx)
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if !ok {
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return handler(ctx, req)
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}
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clusters := md.Get(ClusterKey)
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if len(clusters) == 0 {
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return handler(ctx, req)
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}
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cluster := clusters[0]
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if cluster != "" && cluster != paramtable.Get().CommonCfg.ClusterPrefix.GetValue() {
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return nil, merr.WrapErrServiceCrossClusterRouting(paramtable.Get().CommonCfg.ClusterPrefix.GetValue(), cluster)
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}
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return handler(ctx, req)
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}
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}
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// ClusterValidationStreamServerInterceptor returns a new streaming server interceptor that
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// rejects the request if the client's cluster differs from that of the server.
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// It is chiefly employed to tackle the `Cross-Cluster Routing` issue.
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func ClusterValidationStreamServerInterceptor() grpc.StreamServerInterceptor {
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return func(srv interface{}, ss grpc.ServerStream, info *grpc.StreamServerInfo, handler grpc.StreamHandler) error {
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md, ok := metadata.FromIncomingContext(ss.Context())
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if !ok {
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return handler(srv, ss)
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}
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clusters := md.Get(ClusterKey)
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if len(clusters) == 0 {
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return handler(srv, ss)
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}
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cluster := clusters[0]
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if cluster != "" && cluster != paramtable.Get().CommonCfg.ClusterPrefix.GetValue() {
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return merr.WrapErrServiceCrossClusterRouting(paramtable.Get().CommonCfg.ClusterPrefix.GetValue(), cluster)
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}
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return handler(srv, ss)
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}
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}
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// ClusterInjectionUnaryClientInterceptor returns a new unary client interceptor that injects `cluster` into outgoing context.
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func ClusterInjectionUnaryClientInterceptor() grpc.UnaryClientInterceptor {
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return func(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
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ctx = metadata.AppendToOutgoingContext(ctx, ClusterKey, paramtable.Get().CommonCfg.ClusterPrefix.GetValue())
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return invoker(ctx, method, req, reply, cc, opts...)
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}
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}
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// ClusterInjectionStreamClientInterceptor returns a new streaming client interceptor that injects `cluster` into outgoing context.
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func ClusterInjectionStreamClientInterceptor() grpc.StreamClientInterceptor {
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return func(ctx context.Context, desc *grpc.StreamDesc, cc *grpc.ClientConn, method string, streamer grpc.Streamer, opts ...grpc.CallOption) (grpc.ClientStream, error) {
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ctx = metadata.AppendToOutgoingContext(ctx, ClusterKey, paramtable.Get().CommonCfg.ClusterPrefix.GetValue())
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return streamer(ctx, desc, cc, method, opts...)
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}
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}
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