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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.service.model;
import com.yahoo.config.model.api.ApplicationInfo;
import com.yahoo.config.model.api.HostInfo;
import com.yahoo.config.model.api.Model;
import com.yahoo.config.model.api.PortInfo;
import com.yahoo.config.model.api.ServiceInfo;
import com.yahoo.config.model.api.SuperModel;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.InstanceName;
import com.yahoo.vespa.service.slobrok.SlobrokMonitor;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
public class ExampleModel {
static final String CLUSTER_ID = "cluster-id";
static final String SERVICE_NAME = "service-name";
static final String SERVICE_TYPE = SlobrokMonitor.SLOBROK_SERVICE_TYPE;
static final String CONFIG_ID = "configid/1";
static final String TENANT = "tenant";
static final String APPLICATION_NAME = "application";
public static final String INSTANCE_NAME = "default";
public static final ApplicationId APPLICATION_ID = ApplicationId.from(TENANT, APPLICATION_NAME, INSTANCE_NAME);
public static SuperModel createExampleSuperModelWithOneRpcPort(String hostname, int rpcPort) {
List<String> hosts = Stream.of(hostname).toList();
ApplicationInfo applicationInfo = ExampleModel
.createApplication(TENANT, APPLICATION_NAME)
.addServiceCluster(CLUSTER_ID, SERVICE_NAME, SERVICE_TYPE, hosts)
.addPort(rpcPort, "footag", SlobrokMonitor.SLOBROK_RPC_PORT_TAG)
.addPort(rpcPort + 1, "bartag")
.then()
.build();
Map<ApplicationId, ApplicationInfo> applicationInfos = new HashMap<>();
applicationInfos.put(applicationInfo.getApplicationId(), applicationInfo);
return new SuperModel(applicationInfos, true);
}
public static ApplicationBuilder createApplication(String tenant,
String applicationName) {
return new ApplicationBuilder(tenant, applicationName);
}
public static class ApplicationBuilder {
private final String tenant;
private final String applicationName;
private final List<ClusterBuilder> clusters = new ArrayList<>();
ApplicationBuilder(String tenant, String applicationName) {
this.tenant = tenant;
this.applicationName = applicationName;
}
ClusterBuilder addServiceCluster(
String clusterId,
String serviceName,
String serviceType,
List<String> hosts) {
return new ClusterBuilder(
this,
clusterId,
serviceName,
serviceType,
hosts);
}
public ApplicationInfo build() {
List<String> allHosts = clusters.stream()
.flatMap(clusterBuilder -> clusterBuilder.hosts.stream())
.distinct()
.toList();
List<HostInfo> hostInfos = new ArrayList<>();
for (String hostname : allHosts) {
List<ServiceInfo> serviceInfos = new ArrayList<>();
for (ClusterBuilder cluster : clusters) {
buildServiceInfo(hostname, cluster).ifPresent(serviceInfos::add);
}
HostInfo hostInfo = new HostInfo(hostname, serviceInfos);
hostInfos.add(hostInfo);
}
ApplicationId id = ApplicationId.from(
tenant,
applicationName,
InstanceName.defaultName().toString());
Model model = mock(Model.class);
when(model.getHosts()).thenReturn(hostInfos);
return new ApplicationInfo(id, 1, model);
}
private Optional<ServiceInfo> buildServiceInfo(
String hostname,
ClusterBuilder cluster) {
int hostIndex = cluster.hosts.indexOf(hostname);
if (hostIndex < 0) {
return Optional.empty();
}
Map<String, String> properties = new HashMap<>();
properties.put(ModelGenerator.CLUSTER_ID_PROPERTY_NAME, cluster.clusterId);
return Optional.of(new ServiceInfo(
cluster.serviceName,
cluster.serviceType,
cluster.portInfos,
properties,
"configid/" + (hostIndex + 1),
hostname));
}
}
static class ClusterBuilder {
private final ApplicationBuilder applicationBuilder;
private final String clusterId;
private final String serviceName;
private final String serviceType;
private final List<String> hosts;
private final List<PortInfo> portInfos = new ArrayList<>();
ClusterBuilder(ApplicationBuilder applicationBuilder,
String clusterId,
String serviceName,
String serviceType,
List<String> hosts) {
this.applicationBuilder = applicationBuilder;
this.clusterId = clusterId;
this.serviceName = serviceName;
this.serviceType = serviceType;
this.hosts = hosts;
}
/**
* A bit unrealistic, but the port is the same on all hosts.
*/
ClusterBuilder addPort(int port, String... tags) {
portInfos.add(new PortInfo(port, Arrays.asList(tags)));
return this;
}
ApplicationBuilder then() {
applicationBuilder.clusters.add(this);
return applicationBuilder;
}
}
}
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