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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.provision.persistence;
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.vespa.curator.Curator;
import com.yahoo.vespa.curator.mock.MockCurator;
import com.yahoo.vespa.hosted.provision.Node;
import com.yahoo.vespa.hosted.provision.testutils.FlavorConfigBuilder;
import org.junit.Test;
import java.time.Clock;
import java.util.List;
import static org.junit.Assert.assertEquals;
/**
* @author Oyvind Gronnesby
*/
public class CuratorDatabaseClientTest {
private Curator curator = new MockCurator();
private CuratorDatabaseClient zkClient = new CuratorDatabaseClient(FlavorConfigBuilder.createDummies("default"), curator, Clock.systemUTC());
@Test
public void ensure_can_read_stored_host_with_instance_information() throws Exception {
String zkline = "{\"hostname\":\"oxy-oxygen-0a4ae4f1.corp.bf1.yahoo.com\",\"openStackId\":\"7951bb9d-3989-4a60-a21c-13690637c8ea\",\"configuration\":{\"flavor\":\"default\"},\"created\":1421054425159,\"allocated\":1421057746687,\"instance\":{\"tenantId\":\"by_mortent\",\"applicationId\":\"music\",\"instanceId\":\"default\",\"serviceId\":\"container/default/0/0\"}}";
curator.framework().create().creatingParentsIfNeeded().forPath("/provision/v1/allocated/oxy-oxygen-0a4ae4f1.corp.bf1.yahoo.com", zkline.getBytes());
List<Node> allocatedNodes = zkClient.getNodes(Node.State.active);
assertEquals(1, allocatedNodes.size());
assertEquals("container/default/0/0", allocatedNodes.get(0).allocation().get().membership().stringValue());
}
@Test
public void ensure_can_read_stored_host_information() throws Exception {
String zkline = "{\"hostname\":\"oxy-oxygen-0a4ae4f1.corp.bf1.yahoo.com\",\"openStackId\":\"7951bb9d-3989-4a60-a21c-13690637c8ea\",\"configuration\":{\"flavor\":\"default\"},\"created\":1421054425159}";
curator.framework().create().creatingParentsIfNeeded().forPath("/provision/v1/ready/oxy-oxygen-0a4ae4f1.corp.bf1.yahoo.com", zkline.getBytes());
List<Node> allocatedNodes = zkClient.getNodes(Node.State.ready);
assertEquals(1, allocatedNodes.size());
}
/** Test that locks can be acquired and released */
@Test
public void testLocking() {
ApplicationId app = ApplicationId.from(TenantName.from("testTenant"), ApplicationName.from("testApp"), InstanceName.from("testInstance"));
try (CuratorMutex mutex1 = zkClient.lock(app)) {
mutex1.toString(); // reference to avoid warning
throw new RuntimeException();
}
catch (RuntimeException expected) {
}
try (CuratorMutex mutex2 = zkClient.lock(app)) {
mutex2.toString(); // reference to avoid warning
}
try (CuratorMutex mutex3 = zkClient.lock(app)) {
mutex3.toString(); // reference to avoid warning
}
}
}
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