com.yahoo.vespa.model.container.ContainerCluster 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.vespa.model.container;
import com.yahoo.cloud.config.ClusterInfoConfig;
import com.yahoo.cloud.config.ConfigserverConfig;
import com.yahoo.cloud.config.CuratorConfig;
import com.yahoo.component.ComponentId;
import com.yahoo.config.application.api.ApplicationMetaData;
import com.yahoo.config.docproc.DocprocConfig;
import com.yahoo.config.docproc.SchemamappingConfig;
import com.yahoo.config.model.ApplicationConfigProducerRoot;
import com.yahoo.config.model.deploy.DeployState;
import com.yahoo.config.model.producer.AnyConfigProducer;
import com.yahoo.config.model.producer.TreeConfigProducer;
import com.yahoo.config.provision.ClusterSpec;
import com.yahoo.config.provision.Zone;
import com.yahoo.container.ComponentsConfig;
import com.yahoo.container.QrSearchersConfig;
import com.yahoo.container.bundle.BundleInstantiationSpecification;
import com.yahoo.container.core.ApplicationMetadataConfig;
import com.yahoo.container.core.document.ContainerDocumentConfig;
import com.yahoo.container.di.config.PlatformBundlesConfig;
import com.yahoo.container.jdisc.JdiscBindingsConfig;
import com.yahoo.container.jdisc.config.HealthMonitorConfig;
import com.yahoo.container.jdisc.state.StateHandler;
import com.yahoo.container.logging.AccessLog;
import com.yahoo.container.usability.BindingsOverviewHandler;
import com.yahoo.document.config.DocumentmanagerConfig;
import com.yahoo.jdisc.http.server.jetty.VoidRequestLog;
import com.yahoo.osgi.provider.model.ComponentModel;
import com.yahoo.prelude.semantics.SemanticRulesConfig;
import com.yahoo.search.config.IndexInfoConfig;
import com.yahoo.search.config.QrStartConfig;
import com.yahoo.search.config.SchemaInfoConfig;
import com.yahoo.search.pagetemplates.PageTemplatesConfig;
import com.yahoo.search.query.profile.config.QueryProfilesConfig;
import com.yahoo.vespa.configdefinition.IlscriptsConfig;
import com.yahoo.vespa.model.PortsMeta;
import com.yahoo.vespa.model.Service;
import com.yahoo.vespa.model.VespaModel;
import com.yahoo.vespa.model.admin.Admin;
import com.yahoo.vespa.model.admin.monitoring.Monitoring;
import com.yahoo.vespa.model.clients.ContainerDocumentApi;
import com.yahoo.vespa.model.container.component.AccessLogComponent;
import com.yahoo.vespa.model.container.component.BindingPattern;
import com.yahoo.vespa.model.container.component.Component;
import com.yahoo.vespa.model.container.component.ComponentGroup;
import com.yahoo.vespa.model.container.component.ComponentsConfigGenerator;
import com.yahoo.vespa.model.container.component.DiscBindingsConfigGenerator;
import com.yahoo.vespa.model.container.component.FileStatusHandlerComponent;
import com.yahoo.vespa.model.container.component.Handler;
import com.yahoo.vespa.model.container.component.SimpleComponent;
import com.yahoo.vespa.model.container.component.SystemBindingPattern;
import com.yahoo.vespa.model.container.component.chain.ProcessingHandler;
import com.yahoo.vespa.model.container.configserver.ConfigserverCluster;
import com.yahoo.vespa.model.container.docproc.ContainerDocproc;
import com.yahoo.vespa.model.container.docproc.DocprocChains;
import com.yahoo.vespa.model.container.http.Client;
import com.yahoo.vespa.model.container.http.Http;
import com.yahoo.vespa.model.container.processing.ProcessingChains;
import com.yahoo.vespa.model.container.search.ContainerSearch;
import com.yahoo.vespa.model.container.search.searchchain.SearchChains;
import com.yahoo.vespa.model.content.Content;
import com.yahoo.vespa.model.search.SearchCluster;
import java.nio.file.Path;
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.Objects;
import java.util.Optional;
import java.util.OptionalDouble;
import java.util.OptionalInt;
import java.util.Set;
import java.util.TreeSet;
import static com.yahoo.vespa.model.container.component.AccessLogComponent.AccessLogType.jsonAccessLog;
import static com.yahoo.vespa.model.container.component.chain.ProcessingHandler.PROCESSING_HANDLER_CLASS;
/**
* Parent class for all container cluster types.
*
* @author gjoranv
* @author Einar M R Rosenvinge
* @author Tony Vaagenes
*/
public abstract class ContainerCluster
extends TreeConfigProducer
implements
ComponentsConfig.Producer,
JdiscBindingsConfig.Producer,
DocumentmanagerConfig.Producer,
ContainerDocumentConfig.Producer,
HealthMonitorConfig.Producer,
ApplicationMetadataConfig.Producer,
PlatformBundlesConfig.Producer,
IndexInfoConfig.Producer,
IlscriptsConfig.Producer,
SchemamappingConfig.Producer,
QrSearchersConfig.Producer,
QrStartConfig.Producer,
QueryProfilesConfig.Producer,
PageTemplatesConfig.Producer,
SemanticRulesConfig.Producer,
DocprocConfig.Producer,
ClusterInfoConfig.Producer,
ConfigserverConfig.Producer,
CuratorConfig.Producer,
SchemaInfoConfig.Producer
{
/**
* URI prefix used for internal, usually programmatic, APIs. URIs using this
* prefix should never be considered available for direct use by customers, and
* normal compatibility concerns only applies to libraries using the URIs in
* question, not contents served from the URIs themselves.
*/
public static final String RESERVED_URI_PREFIX = "/reserved-for-internal-use";
public static final String APPLICATION_STATUS_HANDLER_CLASS = "com.yahoo.container.handler.observability.ApplicationStatusHandler";
public static final String BINDINGS_OVERVIEW_HANDLER_CLASS = BindingsOverviewHandler.class.getName();
public static final String LOG_HANDLER_CLASS = com.yahoo.container.handler.LogHandler.class.getName();
public static final String G1GC = "-XX:+UseG1GC -XX:MaxTenuringThreshold=15";
public static final String PARALLEL_GC = "-XX:+UseParallelGC -XX:MaxTenuringThreshold=15 -XX:NewRatio=1";
public static final String STATE_HANDLER_CLASS = "com.yahoo.container.jdisc.state.StateHandler";
public static final BindingPattern STATE_HANDLER_BINDING_1 = SystemBindingPattern.fromHttpPath(StateHandler.STATE_API_ROOT);
public static final BindingPattern STATE_HANDLER_BINDING_2 = SystemBindingPattern.fromHttpPath(StateHandler.STATE_API_ROOT + "/*");
public static final String ROOT_HANDLER_PATH = "/";
public static final BindingPattern ROOT_HANDLER_BINDING = SystemBindingPattern.fromHttpPath(ROOT_HANDLER_PATH);
public static final BindingPattern VIP_HANDLER_BINDING = SystemBindingPattern.fromHttpPath("/status.html");
private final String name;
protected List containers = new ArrayList<>();
private Http http;
private ProcessingChains processingChains;
private ContainerSearch containerSearch;
private ContainerDocproc containerDocproc;
private ContainerDocumentApi containerDocumentApi;
private SecretStore secretStore;
private final ContainerThreadpool defaultHandlerThreadpool;
private boolean rpcServerEnabled = true;
private boolean httpServerEnabled = true;
private final Set platformBundles = new TreeSet<>(); // Ensure stable ordering
private final ComponentGroup> componentGroup;
protected final boolean isHostedVespa;
private final boolean zooKeeperLocalhostAffinity;
private final String compressionType;
private final Map concreteDocumentTypes = new LinkedHashMap<>();
private ApplicationMetaData applicationMetaData = null;
/** The zone this is deployed in, or the default zone if not on hosted Vespa */
private Zone zone;
private String hostClusterId = null;
private String jvmGCOptions = null;
private volatile boolean deferChangesUntilRestart = false;
private boolean clientsLegacyMode;
private List clients = List.of();
public ContainerCluster(TreeConfigProducer parent, String configSubId, String clusterId, DeployState deployState, boolean zooKeeperLocalhostAffinity) {
this(parent, configSubId, clusterId, deployState, zooKeeperLocalhostAffinity, 1);
}
public ContainerCluster(TreeConfigProducer parent, String configSubId, String clusterId, DeployState deployState, boolean zooKeeperLocalhostAffinity, int defaultPoolNumThreads) {
super(parent, configSubId);
this.name = clusterId;
this.isHostedVespa = stateIsHosted(deployState);
this.zone = (deployState != null) ? deployState.zone() : Zone.defaultZone();
this.zooKeeperLocalhostAffinity = zooKeeperLocalhostAffinity;
this.compressionType = deployState.featureFlags().logFileCompressionAlgorithm("zstd");
componentGroup = new ComponentGroup<>(this, "component");
addCommonVespaBundles();
addSimpleComponent(VoidRequestLog.class);
addComponent(new DefaultThreadpoolProvider(this, defaultPoolNumThreads));
defaultHandlerThreadpool = new Handler.DefaultHandlerThreadpool(deployState, null);
addComponent(defaultHandlerThreadpool);
addSimpleComponent(com.yahoo.concurrent.classlock.ClassLocking.class);
addSimpleComponent("com.yahoo.container.jdisc.metric.MetricConsumerProviderProvider");
addSimpleComponent("com.yahoo.container.jdisc.metric.MetricProvider");
addSimpleComponent("com.yahoo.container.jdisc.metric.MetricUpdater");
addSimpleComponent(com.yahoo.container.jdisc.ThreadedHttpRequestHandler.Context.class);
addSimpleComponent(com.yahoo.metrics.simple.MetricManager.class.getName());
addSimpleComponent(com.yahoo.metrics.simple.jdisc.JdiscMetricsFactory.class.getName());
addSimpleComponent("com.yahoo.container.jdisc.state.StateMonitor");
addSimpleComponent("com.yahoo.container.jdisc.ContainerThreadFactory");
addSimpleComponent("com.yahoo.container.handler.VipStatus");
addSimpleComponent(com.yahoo.container.handler.ClustersStatus.class.getName());
addSimpleComponent("com.yahoo.container.jdisc.DisabledConnectionLogProvider");
addSimpleComponent(com.yahoo.jdisc.http.server.jetty.Janitor.class);
}
protected abstract boolean messageBusEnabled();
public ClusterSpec.Id id() { return ClusterSpec.Id.from(getName()); }
public void setZone(Zone zone) {
this.zone = zone;
}
public Zone getZone() {
return zone;
}
protected Optional getAdmin() {
var parent = getParent();
if (parent != null) {
var r = parent.getRoot();
if (r instanceof VespaModel model) {
return Optional.ofNullable(model.getAdmin());
}
}
return Optional.empty();
}
public void addDefaultHandlersWithVip() {
addDefaultHandlersExceptStatus();
addVipHandler();
}
public final void addDefaultHandlersExceptStatus() {
addDefaultRootHandler();
addMetricStateHandler();
addApplicationStatusHandler();
}
public void addMetricStateHandler() {
Handler stateHandler = new Handler(
new ComponentModel(STATE_HANDLER_CLASS, null, null, null));
stateHandler.addServerBindings(STATE_HANDLER_BINDING_1, STATE_HANDLER_BINDING_2);
addComponent(stateHandler);
}
public void addDefaultRootHandler() {
Handler handler = new Handler(
new ComponentModel(BundleInstantiationSpecification.fromStrings(
BINDINGS_OVERVIEW_HANDLER_CLASS, null, null), null)); // null bundle, as the handler is in container-disc
handler.addServerBindings(ROOT_HANDLER_BINDING);
addComponent(handler);
}
public void addApplicationStatusHandler() {
Handler statusHandler = new Handler(
new ComponentModel(BundleInstantiationSpecification.fromStrings(
APPLICATION_STATUS_HANDLER_CLASS, null, null), null)); // null bundle, as the handler is in container-disc
statusHandler.addServerBindings(SystemBindingPattern.fromHttpPath("/ApplicationStatus"));
addComponent(statusHandler);
}
public void addVipHandler() {
Handler vipHandler = Handler.fromClassName(FileStatusHandlerComponent.CLASS);
vipHandler.addServerBindings(VIP_HANDLER_BINDING);
addComponent(vipHandler);
}
public final void addComponent(Component component) {
componentGroup.addComponent(component);
if (component instanceof Handler handler) {
ensureHandlerHasThreadpool(handler);
}
}
private void ensureHandlerHasThreadpool(Handler handler) {
if (! handler.hasCustomThreadPool) {
handler.inject(defaultHandlerThreadpool);
}
}
public final void addSimpleComponent(String idSpec, String classSpec, String bundleSpec) {
addComponent(new SimpleComponent(new ComponentModel(idSpec, classSpec, bundleSpec)));
}
/**
* Removes a component by id
*
* @return the removed component, or null if it was not present
*/
@SuppressWarnings("unused") // Used from other repositories
public Component removeComponent(ComponentId componentId) {
return componentGroup.removeComponent(componentId);
}
public void removeSimpleComponent(Class clazz) {
removeComponent(new SimpleComponent(clazz.getName()).getComponentId());
}
public void addSimpleComponent(Class clazz) {
addSimpleComponent(clazz.getName());
}
protected void addSimpleComponent(String className) {
addComponent(new SimpleComponent(className));
}
public void prepare(DeployState deployState) {
applicationMetaData = deployState.getApplicationPackage().getMetaData();
doPrepare(deployState);
}
protected void doPrepare(DeployState deployState) {
wireLogctlSpecs();
}
private void wireLogctlSpecs() {
getAdmin().ifPresent(admin -> {
for (var c : getContainers()) {
c.setLogctlSpecs(admin.getLogctlSpecs());
}});
}
public String getName() {
return name;
}
public List getContainers() {
return Collections.unmodifiableList(containers);
}
public void addContainer(CONTAINER container) {
container.setOwner(this);
container.setClusterName(name);
container.setProp("clustername", name)
.setProp("index", this.containers.size())
.setProp("clustertype", "container");
containers.add(container);
}
public void addContainers(Collection containers) {
containers.forEach(this::addContainer);
}
public void setProcessingChains(ProcessingChains processingChains, BindingPattern... serverBindings) {
if (this.processingChains != null)
throw new IllegalStateException("ProcessingChains should only be set once.");
this.processingChains = processingChains;
ProcessingHandler processingHandler = new ProcessingHandler<>(
processingChains,
BundleInstantiationSpecification.fromStrings(PROCESSING_HANDLER_CLASS, null, null));
for (BindingPattern binding: serverBindings)
processingHandler.addServerBindings(binding);
addComponent(processingHandler);
}
ProcessingChains getProcessingChains() {
return processingChains;
}
public SearchChains getSearchChains() {
if (containerSearch == null)
throw new IllegalArgumentException("Search components not found in container cluster '" + getSubId() +
"': Add clients) {
clientsLegacyMode = legacyMode;
this.clients = clients;
}
public List getClients() {
return clients;
}
public boolean clientsLegacyMode() { return clientsLegacyMode; }
public ContainerDocproc getDocproc() {
return containerDocproc;
}
public void setDocproc(ContainerDocproc containerDocproc) {
this.containerDocproc = containerDocproc;
}
public void setDocumentApi(ContainerDocumentApi containerDocumentApi) {
this.containerDocumentApi = containerDocumentApi;
}
public DocprocChains getDocprocChains() {
if (containerDocproc == null)
throw new IllegalArgumentException("Document processing components not found in container cluster '" + getSubId() +
"': Add getHandlers() {
return componentGroup.getComponents(Handler.class);
}
public void setSecretStore(SecretStore secretStore) {
this.secretStore = secretStore;
}
public Optional getSecretStore() {
return Optional.ofNullable(secretStore);
}
public Map> getComponentsMap() {
return componentGroup.getComponentMap();
}
/** Returns all components in this cluster (generic, handlers, chained) */
public Collection> getAllComponents() {
List> allComponents = new ArrayList<>();
recursivelyFindAllComponents(allComponents, this);
// We need consistent ordering
Collections.sort(allComponents);
return Collections.unmodifiableCollection(allComponents);
}
private void recursivelyFindAllComponents(Collection> allComponents, TreeConfigProducer current) {
for (var child: current.getChildren().values()) {
if (child instanceof Component)
allComponents.add((Component) child);
if (child instanceof TreeConfigProducer t && !(child instanceof Container))
recursivelyFindAllComponents(allComponents, t);
}
}
@Override
public void getConfig(ComponentsConfig.Builder builder) {
builder.setApplyOnRestart(getDeferChangesUntilRestart()); // Sufficient to set on one config
builder.components.addAll(ComponentsConfigGenerator.generate(getAllComponents()));
builder.components(new ComponentsConfig.Components.Builder().id("com.yahoo.container.core.config.HandlersConfigurerDi$RegistriesHack"));
}
@Override
public void getConfig(JdiscBindingsConfig.Builder builder) {
builder.handlers.putAll(DiscBindingsConfigGenerator.generate(getHandlers()));
}
@Override
public void getConfig(DocumentmanagerConfig.Builder builder) {
if (containerDocumentApi != null)
builder.ignoreundefinedfields(containerDocumentApi.ignoreUndefinedFields());
}
@Override
public void getConfig(ContainerDocumentConfig.Builder builder) {
for (Map.Entry e : concreteDocumentTypes.entrySet()) {
ContainerDocumentConfig.Doctype.Builder dtb = new ContainerDocumentConfig.Doctype.Builder();
dtb.type(e.getKey());
dtb.factorycomponent(e.getValue());
builder.doctype(dtb);
}
}
@Override
public void getConfig(HealthMonitorConfig.Builder builder) {
Monitoring monitoring = getMonitoringService();
if (monitoring != null) {
builder.snapshot_interval(monitoring.getIntervalSeconds());
}
}
@Override
public void getConfig(ApplicationMetadataConfig.Builder builder) {
if (applicationMetaData != null)
builder.name(applicationMetaData.getApplicationId().application().value()).
timestamp(applicationMetaData.getDeployTimestamp()).
checksum(applicationMetaData.getChecksum()).
generation(applicationMetaData.getGeneration());
}
/**
* Adds the Vespa bundles that are necessary for most container types.
* Note that some of these can be removed later by the individual cluster types.
*/
public void addCommonVespaBundles() {
PlatformBundles.COMMON_VESPA_BUNDLES.forEach(this::addPlatformBundle);
PlatformBundles.VESPA_SECURITY_BUNDLES.forEach(this::addPlatformBundle);
PlatformBundles.VESPA_ZK_BUNDLES.forEach(this::addPlatformBundle);
}
/**
* Add all search/docproc/feed related platform bundles.
* These are only required for application configured containers as the platform bundle set is not allowed to change
* between config generations. For standalone container platform bundles can be added on features enabled as an
* update of application package requires restart.
*/
public void addAllPlatformBundles() {
ContainerDocumentApi.addVespaClientContainerBundle(this);
addSearchAndDocprocBundles();
}
public void addSearchAndDocprocBundles() { PlatformBundles.SEARCH_AND_DOCPROC_BUNDLES.forEach(this::addPlatformBundle); }
/**
* Adds a bundle present at a known location at the target container nodes.
* Note that the set of platform bundles cannot change during the jdisc container's lifetime.
*
* @param bundlePath usually an absolute path, e.g. '$VESPA_HOME/lib/jars/foo.jar'
*/
public final void addPlatformBundle(Path bundlePath) {
if (! unnecessaryPlatformBundles().contains(bundlePath)) {
platformBundles.add(bundlePath);
} else {
log.fine(() -> "Not installing bundle " + bundlePath + " for cluster " + getName());
}
}
/**
* Implement in subclasses to avoid installing unnecessary bundles, see {@link PlatformBundles}
* Should only return constant values, as there is no guarantee for when this is called.
*/
protected Set unnecessaryPlatformBundles() { return Set.of(); }
@Override
public void getConfig(PlatformBundlesConfig.Builder builder) {
platformBundles.stream()
.map(Path::toString)
.forEach(builder::bundlePaths);
}
@Override
public void getConfig(QrSearchersConfig.Builder builder) {
if (containerSearch != null) containerSearch.getConfig(builder);
}
@Override
public void getConfig(QrStartConfig.Builder builder) {
builder.jvm
.verbosegc(false)
.availableProcessors(1)
.compressedClassSpaceSize(32)
.minHeapsize(32)
.heapsize(256)
.heapSizeAsPercentageOfPhysicalMemory(0)
.gcopts(Objects.requireNonNullElse(jvmGCOptions, G1GC));
}
@Override
public void getConfig(DocprocConfig.Builder builder) {
if (containerDocproc != null) containerDocproc.getConfig(builder);
}
@Override
public void getConfig(PageTemplatesConfig.Builder builder) {
if (containerSearch != null) containerSearch.getConfig(builder);
}
@Override
public void getConfig(SemanticRulesConfig.Builder builder) {
if (containerSearch != null) containerSearch.getConfig(builder);
}
@Override
public void getConfig(QueryProfilesConfig.Builder builder) {
if (containerSearch != null) containerSearch.getConfig(builder);
}
@Override
public void getConfig(SchemamappingConfig.Builder builder) {
if (containerDocproc != null) containerDocproc.getConfig(builder);
}
@Override
public void getConfig(IndexInfoConfig.Builder builder) {
if (containerSearch != null) containerSearch.getConfig(builder);
}
@Override
public void getConfig(SchemaInfoConfig.Builder builder) {
if (containerSearch != null) containerSearch.getConfig(builder);
}
public void initialize(Map clusterMap) {
if (containerSearch != null) containerSearch.connectSearchClusters(clusterMap);
}
public void addAccessLog(String clusterName) {
addAccessLog(Optional.ofNullable(clusterName));
}
public void addAccessLog(String fileNamePattern, String symlinkName) {
removeSimpleComponent(VoidRequestLog.class);
addSimpleComponent(AccessLog.class);
addComponent(new AccessLogComponent(jsonAccessLog, compressionType, fileNamePattern, null, true, true, symlinkName, 1024, 256 * 1024));
}
protected void addAccessLog(Optional clusterName) {
removeSimpleComponent(VoidRequestLog.class);
addSimpleComponent(AccessLog.class);
addComponent(new AccessLogComponent(this, jsonAccessLog, compressionType, clusterName, isHostedVespa));
}
@Override
public void getConfig(IlscriptsConfig.Builder builder) {
for (SearchCluster searchCluster : Content.getSearchClusters(getRoot().configModelRepo())) {
searchCluster.getConfig(builder);
}
}
@Override
public void getConfig(ClusterInfoConfig.Builder builder) {
builder.clusterId(name);
builder.nodeCount(containers.size());
containers.forEach(c -> builder.nodeIndices(c.index()));
for (Service service : getDescendantServices()) {
builder.services.add(new ClusterInfoConfig.Services.Builder()
.index(Integer.parseInt(service.getServicePropertyString("index", "99999")))
.hostname(service.getHostName())
.ports(getPorts(service)));
}
}
/**
* Returns a config server config containing the right zone settings (and defaults for the rest).
* This is useful to allow applications to find out in which zone they are running by having the Zone
* object (which is constructed from this config) injected.
*/
@Override
public void getConfig(ConfigserverConfig.Builder builder) {
builder.system(zone.system().value());
builder.environment(zone.environment().value());
builder.region(zone.region().value());
builder.cloud(zone.cloud().name().value());
}
@Override
public void getConfig(CuratorConfig.Builder builder) {
if (getParent() instanceof ConfigserverCluster) return; // Produces its own config
for (var container : containers) {
builder.server(new CuratorConfig.Server.Builder().hostname(container.getHostResource().getHostname()));
}
builder.zookeeperLocalhostAffinity(zooKeeperLocalhostAffinity);
}
private List getPorts(Service service) {
List builders = new ArrayList<>();
PortsMeta portsMeta = service.getPortsMeta();
for (int i = 0; i < portsMeta.getNumPorts(); i++) {
builders.add(new ClusterInfoConfig.Services.Ports.Builder()
.number(service.getRelativePort(i))
.tags(ApplicationConfigProducerRoot.getPortTags(portsMeta, i))
);
}
return builders;
}
public boolean isHostedVespa() {
return isHostedVespa;
}
public Map concreteDocumentTypes() { return concreteDocumentTypes; }
public void setHostClusterId(String clusterId) { hostClusterId = clusterId; }
/**
* Returns the id of the content cluster which hosts this container cluster, if any.
* This is only set with hosted clusters where this container cluster is set up to run on the nodes
* of a content cluster.
*/
public Optional getHostClusterId() { return Optional.ofNullable(hostClusterId); }
public void setJvmGCOptions(String opts) { this.jvmGCOptions = opts; }
public Optional getJvmGCOptions() { return Optional.ofNullable(jvmGCOptions); }
public final void setRpcServerEnabled(boolean rpcServerEnabled) { this.rpcServerEnabled = rpcServerEnabled; }
boolean rpcServerEnabled() { return rpcServerEnabled; }
boolean httpServerEnabled() { return httpServerEnabled; }
public void setHttpServerEnabled(boolean httpServerEnabled) { this.httpServerEnabled = httpServerEnabled; }
@Override
public String toString() {
return "container cluster '" + getName() + "'";
}
/**
* Mark whether the config emitted by this cluster currently should be applied by clients already running with
* a previous generation of it only by restarting the consuming processes.
*/
public void setDeferChangesUntilRestart(boolean deferChangesUntilRestart) {
this.deferChangesUntilRestart = deferChangesUntilRestart;
}
public boolean getDeferChangesUntilRestart() { return deferChangesUntilRestart; }
/**
* Returns the percentage of host physical memory this application has specified for nodes in this cluster,
* or empty if this is not specified by the application.
*/
public record JvmMemoryPercentage(int ofContainerAvailable, OptionalInt ofContainerTotal, OptionalDouble asAbsoluteGb) { // optionalInt pctOfTotal < int pctOfAvailable
static JvmMemoryPercentage of(int percentageOfAvailable) { return new JvmMemoryPercentage(percentageOfAvailable, OptionalInt.empty(), OptionalDouble.empty()); }
static JvmMemoryPercentage of(int percentageOfAvailable, int percentageOfTotal, double absoluteMemoryGb) {
return new JvmMemoryPercentage(percentageOfAvailable, OptionalInt.of(percentageOfTotal), OptionalDouble.of(absoluteMemoryGb));
}
}
public Optional getMemoryPercentage() { return Optional.empty(); }
}
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