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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.config.server.rpc;
import com.yahoo.cloud.config.ConfigserverConfig;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.TenantName;
import com.yahoo.config.provision.Zone;
import com.yahoo.jrt.Request;
import com.yahoo.jrt.Spec;
import com.yahoo.jrt.Supervisor;
import com.yahoo.jrt.Transport;
import com.yahoo.test.ManualClock;
import com.yahoo.vespa.config.server.ApplicationRepository;
import com.yahoo.vespa.config.server.MemoryGenerationCounter;
import com.yahoo.vespa.config.server.PortRangeAllocator;
import com.yahoo.vespa.config.server.SuperModelManager;
import com.yahoo.vespa.config.server.SuperModelRequestHandler;
import com.yahoo.vespa.config.server.TestConfigDefinitionRepo;
import com.yahoo.vespa.config.server.application.OrchestratorMock;
import com.yahoo.vespa.config.server.filedistribution.FileDirectory;
import com.yahoo.vespa.config.server.filedistribution.FileServer;
import com.yahoo.vespa.config.server.host.HostRegistry;
import com.yahoo.vespa.config.server.monitoring.Metrics;
import com.yahoo.vespa.config.server.rpc.security.NoopRpcAuthorizer;
import com.yahoo.vespa.config.server.tenant.Tenant;
import com.yahoo.vespa.config.server.tenant.TenantRepository;
import com.yahoo.vespa.config.server.tenant.TestTenantRepository;
import com.yahoo.vespa.flags.InMemoryFlagSource;
import org.junit.After;
import org.junit.rules.TemporaryFolder;
import java.io.IOException;
import java.time.Duration;
import java.time.Instant;
import java.util.ArrayList;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* Tester for running rpc server.
*
* @author Ulf Lilleengen
*/
public class RpcTester implements AutoCloseable {
private final ManualClock clock = new ManualClock(Instant.ofEpochMilli(100));
private final Spec spec;
private final RpcServer rpcServer;
private Thread t;
private Supervisor sup;
private final ApplicationId applicationId;
private final TenantName tenantName;
private final TenantRepository tenantRepository;
final HostRegistry hostRegistry = new HostRegistry();
private final ApplicationRepository applicationRepository;
private final List<Integer> allocatedPorts = new ArrayList<>();
private final TemporaryFolder temporaryFolder;
private final ConfigserverConfig configserverConfig;
RpcTester(ApplicationId applicationId, TemporaryFolder temporaryFolder) throws InterruptedException, IOException {
this(applicationId, temporaryFolder, new ConfigserverConfig.Builder());
}
RpcTester(ApplicationId applicationId, TemporaryFolder temporaryFolder, ConfigserverConfig.Builder configBuilder) throws InterruptedException, IOException {
this.temporaryFolder = temporaryFolder;
this.applicationId = applicationId;
this.tenantName = applicationId.tenant();
int port = allocatePort();
spec = createSpec(port);
configBuilder.rpcport(port)
.configServerDBDir(temporaryFolder.newFolder().getAbsolutePath())
.configDefinitionsDir(temporaryFolder.newFolder().getAbsolutePath())
.fileReferencesDir(temporaryFolder.newFolder().getAbsolutePath());
configserverConfig = new ConfigserverConfig(configBuilder);
rpcServer = createRpcServer(configserverConfig);
tenantRepository = new TestTenantRepository.Builder()
.withHostRegistry(hostRegistry)
.withConfigserverConfig(configserverConfig)
.build();
tenantRepository.addTenant(tenantName);
startRpcServer();
applicationRepository = new ApplicationRepository.Builder()
.withTenantRepository(tenantRepository)
.withConfigserverConfig(configserverConfig)
.withOrchestrator(new OrchestratorMock())
.build();
}
public void close() {
rpcServer.stop();
for (Integer port : allocatedPorts) {
PortRangeAllocator.releasePort(port);
}
}
private int allocatePort() throws InterruptedException {
int port = PortRangeAllocator.findAvailablePort();
allocatedPorts.add(port);
return port;
}
RpcServer createRpcServer(ConfigserverConfig config) throws IOException {
InMemoryFlagSource flagSource = new InMemoryFlagSource();
RpcServer rpcServer = new RpcServer(config,
new SuperModelRequestHandler(new TestConfigDefinitionRepo(),
configserverConfig,
new SuperModelManager(
config,
Zone.defaultZone(),
new MemoryGenerationCounter(),
flagSource)),
Metrics.createTestMetrics(),
hostRegistry,
new FileServer(configserverConfig, new FileDirectory(temporaryFolder.newFolder())),
new NoopRpcAuthorizer(),
new RpcRequestHandlerProvider());
rpcServer.setUpGetConfigHandlers();
return rpcServer;
}
void startRpcServer() {
hostRegistry.update(applicationId, List.of("localhost"));
rpcServer.onTenantCreate(tenantRepository.getTenant(tenantName));
t = new Thread(rpcServer);
t.start();
sup = new Supervisor(new Transport());
pingServer();
}
@After
public void stopRpc() throws InterruptedException {
rpcServer.stop();
t.join();
}
private Spec createSpec(int port) {
return new Spec("tcp/localhost:" + port);
}
private void pingServer() {
long endTime = System.currentTimeMillis() + 60_000;
Request req = new Request("ping");
while (System.currentTimeMillis() < endTime) {
performRequest(req);
if (!req.isError() && req.returnValues().size() > 0 && req.returnValues().get(0).asInt32() == 0) {
break;
}
req = new Request("ping");
}
assertFalse(req.isError());
assertTrue(req.returnValues().size() > 0);
assertEquals(0, req.returnValues().get(0).asInt32());
}
void performRequest(Request req) {
clock.advance(Duration.ofMillis(10));
sup.connect(spec).invokeSync(req, Duration.ofSeconds(10));
}
RpcServer rpcServer() {
return rpcServer;
}
Tenant tenant() { return tenantRepository.getTenant(tenantName); }
public ApplicationRepository applicationRepository() { return applicationRepository; }
}
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