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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.application;
import com.yahoo.config.model.api.Model;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.ApplicationName;
import com.yahoo.config.provision.InstanceName;
import com.yahoo.config.provision.TenantName;
import com.yahoo.component.Version;
import com.yahoo.container.jdisc.HttpResponse;
import com.yahoo.vespa.config.server.ServerCache;
import com.yahoo.vespa.config.server.http.SessionHandlerTest;
import com.yahoo.vespa.config.server.monitoring.MetricUpdater;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import java.io.IOException;
import java.time.Duration;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import static org.junit.Assert.assertEquals;
import static com.yahoo.vespa.config.server.application.FileDistributionStatus.HostStatus;
import static com.yahoo.vespa.config.server.application.FileDistributionStatus.Status;
/**
* @author hmusum
*/
public class FileDistributionStatusTest {
private final Duration timeout = Duration.ofMillis(100);
private final TenantName tenant = TenantName.from("mytenant");
private final ApplicationId appId = ApplicationId.from(tenant, ApplicationName.from("myapp"), InstanceName.from("myinstance"));
private Application application;
@Rule
public TemporaryFolder folder = new TemporaryFolder();
@Test
public void require_status_finished() throws IOException {
Map<String, Double> fileReferenceStatuses = new HashMap<>();
fileReferenceStatuses.put("1234", 1.0);
FileDistributionStatus status = new MockStatus(statusFinished("localhost", Status.FINISHED, fileReferenceStatuses));
application = createApplication("localhost");
HttpResponse response = getStatus(status, application);
assertResponse(200,
"{" +
"\"hosts\":[" +
"{\"hostname\":\"localhost\"," +
"\"status\":\"FINISHED\"," +
"\"fileReferences\":[" +
"{\"1234\":1.0}]}" +
"]," +
"\"status\":\"FINISHED\"}",
response);
}
@Test
public void require_status_in_progress_one_host() throws IOException {
Map<String, Double> fileReferenceStatuses = new HashMap<>();
fileReferenceStatuses.put("1234", 0.2);
FileDistributionStatus status = new MockStatus(statusWithError("localhost2", Status.IN_PROGRESS, fileReferenceStatuses, ""));
application = createApplication("localhost2");
HttpResponse response = getStatus(status, application);
assertResponse(200,
"{" +
"\"hosts\":[" +
"{\"hostname\":\"localhost2\"," +
"\"status\":\"IN_PROGRESS\"," +
"\"message\":\"\"," +
"\"fileReferences\":[" +
"{\"1234\":0.2}]}" +
"]," +
"\"status\":\"IN_PROGRESS\"}",
response);
}
@Test
public void require_status_unknown_one_host() throws IOException {
Map<String, Double> fileReferenceStatuses = new HashMap<>();
fileReferenceStatuses.put("1234", 0.2);
FileDistributionStatus status = new MockStatus(statusWithError("localhost", Status.UNKNOWN, fileReferenceStatuses, "connection error"));
application = createApplication("localhost");
HttpResponse response = getStatus(status, application);
assertResponse(200,
"{" +
"\"hosts\":[" +
"{\"hostname\":\"localhost\"," +
"\"status\":\"UNKNOWN\"," +
"\"message\":\"connection error\"," +
"\"fileReferences\":[" +
"{\"1234\":0.2}]}" +
"]," +
"\"status\":\"UNKNOWN\"}",
response);
}
@Test
public void require_different_statuses_many_hosts() throws IOException {
application = createApplication("localhost", "localhost2");
Map<String, Double> fileReferenceStatuses = new HashMap<>();
fileReferenceStatuses.put("1234", 0.2);
fileReferenceStatuses.put("abcd", 1.0);
HostStatus localhost = statusWithError("localhost", Status.IN_PROGRESS, fileReferenceStatuses, "connection timed out");
Map<String, Double> fileReferenceStatuses2 = new HashMap<>();
fileReferenceStatuses2.put("1234", 1.0);
HostStatus localhost2 = statusFinished("localhost2", Status.FINISHED, fileReferenceStatuses2);
FileDistributionStatus status = new MockStatus(new HashSet<>(Arrays.asList(localhost, localhost2)));
application = createApplication("localhost", "localhost2");
HttpResponse response = getStatus(status, application);
assertResponse(200,
"{" +
"\"hosts\":[" +
"{\"hostname\":\"localhost\"," +
"\"status\":\"IN_PROGRESS\"," +
"\"message\":\"connection timed out\"," +
"\"fileReferences\":[" +
"{\"1234\":0.2},{\"abcd\":1.0}]}," +
"{\"hostname\":\"localhost2\"," +
"\"status\":\"FINISHED\"," +
"\"fileReferences\":[" +
"{\"1234\":1.0}]}" +
"]," +
"\"status\":\"IN_PROGRESS\"}",
response);
}
private void assertResponse(int statusCode, String expectedResponse, HttpResponse response) throws IOException {
assertEquals(statusCode, response.getStatus());
assertEquals(expectedResponse, SessionHandlerTest.getRenderedString(response));
}
private HostStatus statusFinished(String hostname, Status status, Map<String, Double> fileReferenceStatuses) {
return new HostStatus(hostname, status, fileReferenceStatuses);
}
private HostStatus statusWithError(String hostname,
Status status,
Map<String, Double> fileReferenceStatuses,
String errorMessage) {
return new HostStatus(hostname, status, fileReferenceStatuses, errorMessage);
}
private Application createApplication(String... hostname) {
return createApplication(Arrays.asList(hostname));
}
private Application createApplication(List<String> hostnames) {
Model mockModel = MockModel.createConfigProxies(hostnames, 1337);
return new Application(mockModel,
new ServerCache(),
3,
new Version(0, 0, 0),
MetricUpdater.createTestUpdater(),
appId);
}
private HttpResponse getStatus(FileDistributionStatus fileDistributionStatus, Application application) {
return fileDistributionStatus.status(application, timeout);
}
private static class MockStatus extends FileDistributionStatus {
private final Map<String, HostStatus> statuses = new HashMap<>();
// host status to be returned in getHostStatus()
MockStatus(HostStatus status) {
this(Collections.singleton(status));
}
// host status per host to be returned in getHostStatus()
MockStatus(Set<HostStatus> status) {
status.forEach(s -> statuses.put(s.hostname(), s));
}
@Override
HostStatus getHostStatus(String hostname, int port, Duration timeout) {
return statuses.get(hostname);
}
}
}
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