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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.metricsproxy.rpc;
import ai.vespa.metricsproxy.metric.HealthMetric;
import ai.vespa.metricsproxy.service.MockHttpServer;
import ai.vespa.metricsproxy.service.VespaService;
import com.yahoo.jrt.Request;
import com.yahoo.jrt.Spec;
import com.yahoo.jrt.StringValue;
import com.yahoo.jrt.Supervisor;
import com.yahoo.jrt.Target;
import com.yahoo.jrt.Transport;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.Timeout;
import java.time.Duration;
import java.util.List;
import static ai.vespa.metricsproxy.TestUtil.getFileContents;
import static ai.vespa.metricsproxy.rpc.IntegrationTester.SERVICE_1_CONFIG_ID;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
/**
* @author jobergum
* @author gjoranv
*/
public class RpcHealthMetricsTest {
private static final String HEALTH_OK_RESPONSE =
getFileContents("health-check.response.json");
private static final String HEALTH_FAILED_RESPONSE =
getFileContents("health-check-failed.response.json");
private static final String WANTED_RPC_RESPONSE =
getFileContents("rpc-json-output-check.json").trim();
private static final Duration RPC_INVOKE_TIMEOUT = Duration.ofSeconds(60);
@Rule
public Timeout globalTimeout = Timeout.seconds(300);
@Test
public void expected_response_is_returned() {
try (IntegrationTester tester = new IntegrationTester()) {
MockHttpServer mockHttpServer = tester.httpServer();
mockHttpServer.setResponse(HEALTH_OK_RESPONSE);
List<VespaService> services = tester.vespaServices().getInstancesById(SERVICE_1_CONFIG_ID);
assertEquals(1, services.size());
VespaService container = services.get(0);
HealthMetric h = container.getHealth();
assertNotNull("Health metric should never be null", h);
assertTrue("Status failed, reason = " + h.getMessage(), h.isOk());
assertEquals("WORKING", h.getMessage());
mockHttpServer.setResponse(HEALTH_FAILED_RESPONSE);
h = container.getHealth();
assertNotNull("Health metric should never be null", h);
assertFalse("Status should be failed" + h.getMessage(), h.isOk());
assertEquals("SOMETHING FAILED", h.getMessage());
String jsonRPCMessage = getHealthMetrics(tester, container.getMonitoringName().id);
assertEquals(WANTED_RPC_RESPONSE, jsonRPCMessage);
}
}
@Test
public void non_existent_service_name_returns_an_error_message() {
try (IntegrationTester tester = new IntegrationTester()) {
String jsonRPCMessage = getHealthMetrics(tester, "non-existing service");
assertEquals("105: No service with name 'non-existing service'", jsonRPCMessage);
}
}
private String getHealthMetrics(IntegrationTester tester, String service) {
Supervisor supervisor = new Supervisor(new Transport());
Target target = supervisor.connect(new Spec("localhost", tester.rpcPort()));
Request req = new Request("getHealthMetricsForYamas");
req.parameters().add(new StringValue(service));
String returnValue;
target.invokeSync(req, RPC_INVOKE_TIMEOUT);
if (req.checkReturnTypes("s")) {
returnValue = req.returnValues().get(0).asString();
} else {
System.out.println("RpcServer invocation failed " + req.errorCode() + ": " + req.errorMessage());
returnValue = req.errorCode() + ": " + req.errorMessage();
}
target.close();
supervisor.transport().shutdown().join();
return returnValue;
}
}
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