-
Notifications
You must be signed in to change notification settings - Fork 36
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
vl3 chain element that resets IPContext configuration depending on ds…
…t and src addresses (#1588) * add strict ipam for vl3 networks Signed-off-by: NikitaSkrynnik <nikita.skrynnik@xored.com> * fix chain element Signed-off-by: NikitaSkrynnik <nikita.skrynnik@xored.com> * rename chain element Signed-off-by: NikitaSkrynnik <nikita.skrynnik@xored.com> * fix go linter issues Signed-off-by: NikitaSkrynnik <nikita.skrynnik@xored.com> * apply review comments Signed-off-by: NikitaSkrynnik <nikita.skrynnik@xored.com> * remove all channels, use ipPools only Signed-off-by: NikitaSkrynnik <nikita.skrynnik@xored.com> * rerun CI Signed-off-by: NikitaSkrynnik <nikita.skrynnik@xored.com> * fix review comments Signed-off-by: NikitaSkrynnik <nikita.skrynnik@xored.com> * fix review comments Signed-off-by: NikitaSkrynnik <nikita.skrynnik@xored.com> * fix go linter issues Signed-off-by: NikitaSkrynnik <nikita.skrynnik@xored.com> * revert changes Signed-off-by: NikitaSkrynnik <nikita.skrynnik@xored.com> * revert some changes + add mutex to ContainsNetString Signed-off-by: NikitaSkrynnik <nikita.skrynnik@xored.com> --------- Signed-off-by: NikitaSkrynnik <nikita.skrynnik@xored.com>
- Loading branch information
1 parent
b1a3e26
commit 3027f90
Showing
8 changed files
with
226 additions
and
160 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| // Copyright (c) 2024 Cisco and its affiliates. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| // 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 strictvl3ipam provides a networkservice.NetworkService Server chain element that resets IP context configuration out of the settings scope | ||
| package strictvl3ipam | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/golang/protobuf/ptypes/empty" | ||
| "github.com/networkservicemesh/api/pkg/api/networkservice" | ||
|
|
||
| "github.com/networkservicemesh/sdk/pkg/networkservice/connectioncontext/ipcontext/vl3" | ||
| "github.com/networkservicemesh/sdk/pkg/networkservice/core/next" | ||
| ) | ||
|
|
||
| type strictVl3IPAMServer struct { | ||
| vl3IPAMs []*vl3.IPAM | ||
| } | ||
|
|
||
| // NewServer - returns a new ipam networkservice.NetworkServiceServer that validates the incoming IP context parameters and resets them based on the validation result. | ||
| func NewServer(ctx context.Context, newVl3IPAMServer func(context.Context, *vl3.IPAM) networkservice.NetworkServiceServer, vl3IPAMs ...*vl3.IPAM) networkservice.NetworkServiceServer { | ||
| elements := []networkservice.NetworkServiceServer{&strictVl3IPAMServer{vl3IPAMs: vl3IPAMs}} | ||
| for _, ipam := range vl3IPAMs { | ||
| elements = append(elements, newVl3IPAMServer(ctx, ipam)) | ||
| } | ||
| return next.NewNetworkServiceServer(elements...) | ||
| } | ||
|
|
||
| func (s *strictVl3IPAMServer) areAddressesValid(addresses []string) bool { | ||
| if len(addresses) == 0 { | ||
| return true | ||
| } | ||
|
|
||
| for _, addr := range addresses { | ||
| for _, ipam := range s.vl3IPAMs { | ||
| if ipam.ContainsNetString(addr) { | ||
| return true | ||
| } | ||
| } | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func (s *strictVl3IPAMServer) Request(ctx context.Context, request *networkservice.NetworkServiceRequest) (*networkservice.Connection, error) { | ||
| if !s.areAddressesValid(request.GetConnection().GetContext().GetIpContext().GetDstIpAddrs()) { | ||
| request.Connection.Context.IpContext = &networkservice.IPContext{} | ||
| } | ||
| return next.Server(ctx).Request(ctx, request) | ||
| } | ||
|
|
||
| func (s *strictVl3IPAMServer) Close(ctx context.Context, conn *networkservice.Connection) (*empty.Empty, error) { | ||
| return next.Server(ctx).Close(ctx, conn) | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.