/
ClientSslContextProviderFactory.java
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/
ClientSslContextProviderFactory.java
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/*
* Copyright 2019 The gRPC 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 io.grpc.xds.internal.sds;
import static com.google.common.base.Preconditions.checkNotNull;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
import io.grpc.xds.Bootstrapper;
import io.grpc.xds.EnvoyServerProtoData.UpstreamTlsContext;
import io.grpc.xds.XdsInitializationException;
import io.grpc.xds.internal.certprovider.CertProviderClientSslContextProvider;
import io.grpc.xds.internal.sds.ReferenceCountingMap.ValueFactory;
import java.util.concurrent.Executors;
/** Factory to create client-side SslContextProvider from UpstreamTlsContext. */
final class ClientSslContextProviderFactory
implements ValueFactory<UpstreamTlsContext, SslContextProvider> {
private final Bootstrapper bootstrapper;
private Bootstrapper.BootstrapInfo bootstrapInfo;
private final CertProviderClientSslContextProvider.Factory
certProviderClientSslContextProviderFactory;
ClientSslContextProviderFactory(Bootstrapper bootstrapper) {
this(bootstrapper, CertProviderClientSslContextProvider.Factory.getInstance());
}
ClientSslContextProviderFactory(
Bootstrapper bootstrapper, CertProviderClientSslContextProvider.Factory factory) {
this.bootstrapper = bootstrapper;
this.certProviderClientSslContextProviderFactory = factory;
}
/** Creates an SslContextProvider from the given UpstreamTlsContext. */
@Override
public SslContextProvider create(UpstreamTlsContext upstreamTlsContext) {
checkNotNull(upstreamTlsContext, "upstreamTlsContext");
checkNotNull(
upstreamTlsContext.getCommonTlsContext(),
"upstreamTlsContext should have CommonTlsContext");
if (CommonTlsContextUtil.hasCertProviderInstance(
upstreamTlsContext.getCommonTlsContext())) {
try {
if (bootstrapInfo == null) {
bootstrapInfo = bootstrapper.bootstrap();
}
return certProviderClientSslContextProviderFactory.getProvider(
upstreamTlsContext,
bootstrapInfo.getNode().toEnvoyProtoNode(),
bootstrapInfo.getCertProviders());
} catch (XdsInitializationException e) {
throw new RuntimeException(e);
}
} else if (CommonTlsContextUtil.hasAllSecretsUsingFilename(
upstreamTlsContext.getCommonTlsContext())) {
return SecretVolumeClientSslContextProvider.getProvider(upstreamTlsContext);
} else if (CommonTlsContextUtil.hasAllSecretsUsingSds(
upstreamTlsContext.getCommonTlsContext())) {
try {
if (bootstrapInfo == null) {
bootstrapInfo = bootstrapper.bootstrap();
}
return SdsClientSslContextProvider.getProvider(
upstreamTlsContext,
bootstrapInfo.getNode().toEnvoyProtoNodeV2(),
Executors.newSingleThreadExecutor(new ThreadFactoryBuilder()
.setNameFormat("client-sds-sslcontext-provider-%d")
.setDaemon(true)
.build()),
/* channelExecutor= */ null);
} catch (XdsInitializationException e) {
throw new RuntimeException(e);
}
}
throw new UnsupportedOperationException("Unsupported configurations in UpstreamTlsContext!");
}
}