/
ca_mock.go
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/
ca_mock.go
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// Copyright Istio 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 mock
import (
"context"
"fmt"
"net"
"google.golang.org/grpc"
gcapb "istio.io/istio/security/proto/providers/google"
)
// CAService is a simple mocked Google CA Service.
type CAService struct {
*gcapb.UnimplementedMeshCertificateServiceServer
Certs []string
Err error
}
// CreateCertificate is a mocked function for the Google Mesh CA API.
func (ca *CAService) CreateCertificate(ctx context.Context, in *gcapb.MeshCertificateRequest) (
*gcapb.MeshCertificateResponse, error,
) {
if ca.Err == nil {
return &gcapb.MeshCertificateResponse{CertChain: ca.Certs}, nil
}
return nil, ca.Err
}
// CAServer is the mocked Mesh CA server.
type CAServer struct {
Server *grpc.Server
Address string
}
// CreateServer creates a mocked local Google CA server and runs it in a separate thread.
// nolint: interfacer
func CreateServer(addr string, service *CAService) (*CAServer, error) {
// create a local grpc server
s := &CAServer{
Server: grpc.NewServer(),
}
lis, err := net.Listen("tcp", addr)
if err != nil {
return nil, fmt.Errorf("failed to listen on the TCP address: %v", err)
}
s.Address = lis.Addr().String()
var serveErr error
gcapb.RegisterMeshCertificateServiceServer(s.Server, service)
go func() {
if err := s.Server.Serve(lis); err != nil {
serveErr = err
}
}()
if serveErr != nil {
return nil, err
}
return s, nil
}
// Stop stops the Mock Mesh CA server.
func (s *CAServer) Stop() {
if s.Server != nil {
s.Server.Stop()
}
}