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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.provisioning;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.Capacity;
import com.yahoo.config.provision.ClusterSpec;
import com.yahoo.config.provision.HostSpec;
import com.yahoo.config.provision.NodeType;
import com.yahoo.config.provision.Zone;
import com.yahoo.vespa.curator.mock.MockCurator;
import com.yahoo.vespa.hosted.provision.Node;
import com.yahoo.vespa.hosted.provision.testutils.MockNameResolver;
import org.junit.Before;
import org.junit.Test;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
import static com.yahoo.vespa.hosted.provision.provisioning.ProvisioningTester.createConfig;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* @author mpolden
*/
public class AclProvisioningTest {
private MockCurator curator;
private ProvisioningTester tester;
private MockNameResolver nameResolver;
@Before
public void before() {
this.curator = new MockCurator();
this.nameResolver = new MockNameResolver().mockAnyLookup();
this.tester = new ProvisioningTester(Zone.defaultZone(), createConfig(), curator, nameResolver);
}
@Test
public void trusted_nodes_for_allocated_node() {
List<String> configServers = setConfigServers("cfg1:1234,cfg2:1234,cfg3:1234");
// Populate repo
tester.makeReadyNodes(10, "default");
List<Node> proxyNodes = tester.makeReadyNodes(3, "default", NodeType.proxy);
// Allocate 2 nodes
List<Node> activeNodes = allocateNodes(2);
assertEquals(2, activeNodes.size());
// Get trusted nodes for the first active node
Node node = activeNodes.get(0);
List<Node> trustedNodes = tester.nodeRepository().getTrustedNodes(node);
assertEquals(activeNodes.size() + proxyNodes.size() + configServers.size(), trustedNodes.size());
// Trusted nodes contains active nodes in same application, proxy nodes and config servers
List<String> expected = flatten(Arrays.asList(toHostNames(activeNodes), toHostNames(proxyNodes), configServers));
assertContainsOnly(toHostNames(trustedNodes), expected);
}
@Test
public void trusted_nodes_for_unallocated_node() {
List<String> configServers = setConfigServers("cfg1:1234,cfg2:1234,cfg3:1234");
// Populate repo
List<Node> readyNodes = tester.makeReadyNodes(10, "default");
List<Node> proxyNodes = tester.makeReadyNodes(3, "default", NodeType.proxy);
// Get trusted nodes for the first ready node
Node node = readyNodes.get(0);
List<Node> trustedNodes = tester.nodeRepository().getTrustedNodes(node);
assertEquals(proxyNodes.size() + configServers.size(), trustedNodes.size());
// Trusted nodes contains only proxy nodes and config servers
assertContainsOnly(toHostNames(trustedNodes), flatten(Arrays.asList(toHostNames(proxyNodes), configServers)));
}
@Test
public void trusted_nodes_for_config_server() {
List<String> configServers = setConfigServers("cfg1:1234,cfg2:1234,cfg3:1234");
// Populate repo
tester.makeReadyNodes(10, "default");
List<Node> proxyNodes = tester.makeReadyNodes(3, "default", NodeType.proxy);
// Allocate 2 nodes
allocateNodes(4);
List<Node> tenantNodes = tester.nodeRepository().getNodes(NodeType.tenant);
// Get trusted nodes for the first config server
Node node = tester.nodeRepository().getConfigNode("cfg1")
.orElseThrow(() -> new RuntimeException("Failed to find cfg1"));
List<Node> trustedNodes = tester.nodeRepository().getTrustedNodes(node);
assertEquals(configServers.size() + tenantNodes.size() + proxyNodes.size(), trustedNodes.size());
// Trusted nodes contains all tenant nodes, all proxy nodes and all config servers
assertContainsOnly(toHostNames(trustedNodes), flatten(Arrays.asList(toHostNames(proxyNodes),
toHostNames(tenantNodes), configServers)));
}
@Test
public void trusted_nodes_for_proxy() {
List<String> configServers = setConfigServers("cfg1:1234,cfg2:1234,cfg3:1234");
// Populate repo
tester.makeReadyNodes(10, "default");
List<Node> proxyNodes = tester.makeReadyNodes(3, "default", NodeType.proxy);
// Get trusted nodes for first proxy node
Node node = proxyNodes.get(0);
List<Node> trustedNodes = tester.nodeRepository().getTrustedNodes(node);
assertEquals(configServers.size() + proxyNodes.size(), trustedNodes.size());
// Trusted nodes contains all config servers and all proxy nodes
assertContainsOnly(toHostNames(trustedNodes), flatten(Arrays.asList(toHostNames(proxyNodes), configServers)));
}
@Test
public void resolves_hostnames_from_connection_spec() {
setConfigServers("cfg1:1234,cfg2:1234,cfg3:1234");
nameResolver.addRecord("cfg1", "127.0.0.1");
nameResolver.addRecord("cfg2", "127.0.0.2");
nameResolver.addRecord("cfg3", "127.0.0.3");
List<Node> readyNodes = tester.makeReadyNodes(1, "default", NodeType.tenant);
List<Node> trustedNodes = tester.nodeRepository().getTrustedNodes(readyNodes.get(0));
assertEquals(3, trustedNodes.size());
assertEquals("127.0.0.1", trustedNodes.get(0).ipAddress());
assertEquals("127.0.0.2", trustedNodes.get(1).ipAddress());
assertEquals("127.0.0.3", trustedNodes.get(2).ipAddress());
}
private List<Node> allocateNodes(int nodeCount) {
ApplicationId applicationId = tester.makeApplicationId();
ClusterSpec cluster = ClusterSpec.request(ClusterSpec.Type.content, ClusterSpec.Id.from("test"),
Optional.empty());
List<HostSpec> prepared = tester.prepare(applicationId, cluster, Capacity.fromNodeCount(nodeCount), 1);
tester.activate(applicationId, new HashSet<>(prepared));
return tester.getNodes(applicationId, Node.State.active).asList();
}
private List<String> setConfigServers(String connectionSpec) {
curator.setConnectionSpec(connectionSpec);
return toHostNames(connectionSpec);
}
private static <T> void assertContainsOnly(Collection<T> a, Collection<T> b) {
assertTrue(a.containsAll(b) && b.containsAll(a));
}
private static <T> List<T> flatten(List<List<T>> lists) {
return lists.stream().flatMap(Collection::stream).collect(Collectors.toList());
}
private static List<String> toHostNames(String connectionSpec) {
return Arrays.stream(connectionSpec.split(","))
.map(hostPort -> hostPort.split(":")[0])
.collect(Collectors.toList());
}
private static List<String> toHostNames(List<Node> node) {
return node.stream().map(Node::hostname).collect(Collectors.toList());
}
}
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