com.yahoo.config.provision.NodeFlavors Maven / Gradle / Ivy
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.config.provision;
import com.yahoo.component.annotation.Inject;
import com.yahoo.config.provisioning.FlavorsConfig;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.stream.Collectors;
/**
* All the flavors configured in this zone (i.e this should be called HostFlavors).
*
* @author bratseth
*/
public class NodeFlavors {
/** Flavors which are configured in this zone */
private final Map configuredFlavors;
@Inject
public NodeFlavors(FlavorsConfig config) {
this(toFlavors(config));
}
public NodeFlavors(Collection flavors) {
Map map = new LinkedHashMap<>();
for (Flavor flavor : flavors)
map.put(flavor.name(), flavor);
configuredFlavors = Collections.unmodifiableMap(map);
}
public List getFlavors() {
return new ArrayList<>(configuredFlavors.values());
}
/** Returns a flavor by name, or empty if there is no flavor with this name and it cannot be created on the fly. */
public Optional getFlavor(String name) {
if (configuredFlavors.containsKey(name))
return Optional.of(configuredFlavors.get(name));
NodeResources nodeResources = NodeResources.fromLegacyName(name);
return Optional.of(new Flavor(nodeResources));
}
/**
* Returns the flavor with the given name or throws an IllegalArgumentException if it does not exist
* and cannot be created on the fly.
*/
public Flavor getFlavorOrThrow(String flavorName) {
return getFlavor(flavorName).orElseThrow(() -> new IllegalArgumentException("Unknown flavor '" + flavorName + "'"));
}
/** Returns true if this flavor is configured or can be created on the fly */
public boolean exists(String flavorName) {
return getFlavor(flavorName).isPresent();
}
private static Collection toFlavors(FlavorsConfig config) {
return config.flavor().stream().map(Flavor::new).toList();
}
@Override
public String toString() {
return String.join(",", configuredFlavors.keySet());
}
}