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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.model.container;
import com.yahoo.config.model.api.ModelContext;
import com.yahoo.config.model.api.container.ContainerServiceType;
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.container.ComponentsConfig;
import com.yahoo.container.QrConfig;
import com.yahoo.container.core.ContainerHttpConfig;
import com.yahoo.container.jdisc.ContainerMbusConfig;
import com.yahoo.container.jdisc.JdiscBindingsConfig;
import com.yahoo.osgi.provider.model.ComponentModel;
import com.yahoo.search.config.QrStartConfig;
import com.yahoo.vespa.defaults.Defaults;
import com.yahoo.vespa.model.AbstractService;
import com.yahoo.vespa.model.LogctlSpec;
import com.yahoo.vespa.model.PortAllocBridge;
import com.yahoo.vespa.model.application.validation.RestartConfigs;
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.Handler;
import com.yahoo.vespa.model.container.component.SimpleComponent;
import com.yahoo.vespa.model.container.http.ConnectorFactory;
import com.yahoo.vespa.model.container.http.Http;
import com.yahoo.vespa.model.container.http.JettyHttpServer;
import java.time.Duration;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import static com.yahoo.container.QrConfig.Rpc;
import static com.yahoo.vespa.defaults.Defaults.getDefaults;
/**
* Note about components: In general, all components should belong to the cluster and not the container. However,
* components that need node specific config must be added at the container level, along with the node-specific
* parts of the config generation (getConfig).
*
* @author gjoranv
* @author Einar M R Rosenvinge
* @author Tony Vaagenes
*/
// qr is restart because it is handled by ConfiguredApplication.start
@RestartConfigs({QrStartConfig.class, QrConfig.class})
public abstract class Container extends AbstractService implements
QrConfig.Producer,
ComponentsConfig.Producer,
JdiscBindingsConfig.Producer,
ContainerHttpConfig.Producer,
ContainerMbusConfig.Producer {
public static final int BASEPORT = Defaults.getDefaults().vespaWebServicePort();
public static final String SINGLENODE_CONTAINER_SERVICESPEC = "default_singlenode_container";
/** The cluster this container belongs to, or null if it is not added to any cluster */
private ContainerCluster owner = null;
private List logctlSpecs = List.of();
protected final TreeConfigProducer parent;
private final String name;
private boolean requireSpecificPorts = true;
private String clusterName = null;
private Optional hostResponseHeaderKey = Optional.empty();
/** Whether this node has been marked as retired (e.g, will be removed) */
private final boolean retired;
/** The unique index of this node */
private final int index;
private final boolean dumpHeapOnShutdownTimeout;
private final double shutdownTimeoutS;
private final ComponentGroup handlers = new ComponentGroup<>(this, "handler");
private final ComponentGroup> components = new ComponentGroup<>(this, "components");
private final JettyHttpServer defaultHttpServer;
protected Container(TreeConfigProducer parent, String name, int index, DeployState deployState) {
this(parent, name, false, index, deployState);
}
protected Container(TreeConfigProducer parent, String name, boolean retired, int index, DeployState deployState) {
super(parent, name);
this.name = name;
this.parent = parent;
this.retired = retired;
this.index = index;
dumpHeapOnShutdownTimeout = deployState.featureFlags().containerDumpHeapOnShutdownTimeout();
shutdownTimeoutS = deployState.featureFlags().containerShutdownTimeout();
this.defaultHttpServer = new JettyHttpServer("DefaultHttpServer", containerClusterOrNull(parent), deployState);
if (getHttp() == null) {
addChild(defaultHttpServer);
}
addBuiltinHandlers();
addChild(new SimpleComponent("com.yahoo.container.jdisc.ConfiguredApplication$ApplicationContext"));
addEnvironmentVariable("VESPA_MALLOC_MMAP_THRESHOLD","0x1000000"); // 16M
}
void setOwner(ContainerCluster owner) { this.owner = owner; }
/** True if this container is retired (slated for removal) */
public boolean isRetired() { return retired; }
public ComponentGroup getHandlers() {
return handlers;
}
public ComponentGroup getComponents() {
return components;
}
public final void addComponent(Component c) {
components.addComponent(c);
}
public final void addSimpleComponent(String idSpec, String classSpec, String bundleSpec) {
addComponent(new SimpleComponent(new ComponentModel(idSpec, classSpec, bundleSpec)));
}
public final void addHandler(Handler h) {
handlers.addComponent(h);
}
/**
* If present, this container should emit this header key with the value set to the local hostname
* in HTTP responses
*/
@SuppressWarnings("unused") // used by amenders
public void setHostResponseHeaderKey(Optional hostResponseheaderKey) {
Objects.requireNonNull(hostResponseheaderKey, "HostResponseheaderKey cannot be null");
this.hostResponseHeaderKey = hostResponseheaderKey;
}
public Http getHttp() {
return (parent instanceof ContainerCluster) ? ((ContainerCluster) parent).getHttp() : null;
}
@SuppressWarnings("unused") // used by amenders
public JettyHttpServer getDefaultHttpServer() {
return defaultHttpServer;
}
/** Returns the index of this node. The index of a given node is stable through changes with best effort. */
public final int index() { return index; }
// We cannot set bindings yet, as baseport is not initialized
public void addBuiltinHandlers() { }
@Override
public void initService(DeployState deployState) {
if (isInitialized()) return;
// XXX: Must be called first, to set the baseport
super.initService(deployState);
if (getHttp() == null) {
initDefaultJettyConnector();
}
}
private int getPort(ConnectorFactory connectorFactory) {
return connectorFactory.getListenPort();
}
private void initDefaultJettyConnector() {
defaultHttpServer.addConnector(new ConnectorFactory.Builder("SearchServer", getSearchPort()).build());
}
private ContainerServiceType myServiceType = null;
/** Subclasses must implement {@link #myServiceType()} for a custom service name. */
@Override
public final String getServiceType() {
if (myServiceType == null) {
myServiceType = myServiceType();
}
return myServiceType.serviceName;
}
/** Subclasses must implement this for a custom service name. */
protected abstract ContainerServiceType myServiceType();
public void setClusterName(String name) {
this.clusterName = name;
}
@Override
public int getWantedPort() {
return requiresWantedPort() ? BASEPORT: 0;
}
/** instance can use any port number for its default HTTP server */
public void useDynamicPorts() {
requireSpecificPorts = false;
}
/**
* First container must run on ports familiar to the user.
*/
@Override
public boolean requiresWantedPort() {
return requireSpecificPorts && (getHttp() == null);
}
/**
* @return the number of ports needed by the Container
*/
public int getPortCount() {
int httpPorts = (getHttp() != null) ? 0 : 2;
return httpPorts + numMessageBusPorts() + numRpcPorts();
}
@Override
public void allocatePorts(int start, PortAllocBridge from) {
if (start == 0) start = BASEPORT;
int offset = 0;
if (getHttp() == null) {
if (requireSpecificPorts) {
allocatedSearchPort = from.requirePort(start, "http");
} else {
allocatedSearchPort = from.allocatePort("http");
}
portsMeta.on(offset++).tag("http").tag("query").tag("external").tag("state");
// XXX unused - remove:
from.allocatePort("http/1");
portsMeta.on(offset++).tag("http").tag("external");
} else if (getHttp().getHttpServer().isEmpty()) {
// no http server ports
} else {
for (ConnectorFactory connectorFactory : getHttp().getHttpServer().get().getConnectorFactories()) {
int port = getPort(connectorFactory);
String name = "http/" + connectorFactory.getName();
from.requirePort(port, name);
if (offset == 0) {
portsMeta.on(offset++).tag("http").tag("query").tag("external").tag("state");
} else {
portsMeta.on(offset++).tag("http").tag("external");
}
}
}
if (messageBusEnabled()) {
allocatedMessagingPort = from.allocatePort("messaging");
portsMeta.on(offset++).tag("rpc").tag("messaging");
}
if (rpcServerEnabled()) {
allocatedRpcPort = from.allocatePort("rpc/admin");
portsMeta.on(offset++).tag("rpc").tag("admin");
}
}
protected int allocatedSearchPort = 0;
/**
* @return the actual search port
* TODO: Remove. Use {@link #getPortsMeta()} and check tags in conjunction with {@link #getRelativePort(int)}.
*/
public int getSearchPort() {
if (getHttp() != null)
throw new AssertionError("getSearchPort must not be used when http section is present.");
return allocatedSearchPort;
}
protected int allocatedRpcPort = 0;
protected int getRpcPort() {
return allocatedRpcPort;
}
protected int numRpcPorts() { return rpcServerEnabled() ? 1 : 0; }
protected int allocatedMessagingPort = 0;
private int getMessagingPort() {
return allocatedMessagingPort;
}
protected int numMessageBusPorts() { return messageBusEnabled() ? 1 : 0; }
@Override
public int getHealthPort() {
final Http http = getHttp();
if (http != null) {
// TODO: allow the user to specify health port manually
if (http.getHttpServer().isEmpty()) {
return -1;
} else {
return getRelativePort(0);
}
} else {
return httpServerEnabled() ? getSearchPort() : -1;
}
}
public Optional getStartupCommand() {
return Optional.of("PRELOAD=" + getPreLoad() + " exec ${VESPA_HOME}/libexec/vespa/vespa-wrapper vespa-start-container-daemon " + getJvmOptions() + " ");
}
@Override
public void getConfig(QrConfig.Builder builder) {
builder.rpc(new Rpc.Builder()
.enabled(rpcServerEnabled())
.port(getRpcPort())
.slobrokId(serviceSlobrokId()))
.discriminator((clusterName != null ? clusterName + "." : "" ) + name)
.clustername(clusterName != null ? clusterName : "")
.nodeIndex(index)
.shutdown.dumpHeapOnTimeout(dumpHeapOnShutdownTimeout)
.timeout(shutdownTimeoutS);
}
/** Returns the jvm args set explicitly for this node */
public String getAssignedJvmOptions() { return super.getJvmOptions(); }
private String serviceSlobrokId() {
return "vespa/service/" + getConfigId();
}
@Override
public void getConfig(ComponentsConfig.Builder builder) {
builder.setApplyOnRestart(owner.getDeferChangesUntilRestart()); // Sufficient to set on one config
builder.components.addAll(ComponentsConfigGenerator.generate(allEnabledComponents()));
}
private Collection> allEnabledComponents() {
Collection> allComponents = new ArrayList<>();
addAllEnabledComponents(allComponents, this);
return Collections.unmodifiableCollection(allComponents);
}
private void addAllEnabledComponents(Collection> allComponents, TreeConfigProducer current) {
for (var child: current.getChildren().values()) {
if ( ! httpServerEnabled() && isHttpServer(child)) continue;
if (child instanceof Component)
allComponents.add((Component) child);
if (child instanceof TreeConfigProducer t) {
addAllEnabledComponents(allComponents, t);
}
}
}
private boolean isHttpServer(AnyConfigProducer component) {
return component instanceof JettyHttpServer;
}
@Override
public final void getConfig(JdiscBindingsConfig.Builder builder) {
builder.handlers(DiscBindingsConfigGenerator.generate(handlers.getComponents()));
}
@Override
public void getConfig(ContainerHttpConfig.Builder builder) {
hostResponseHeaderKey.ifPresent(builder::hostResponseHeaderKey);
}
@Override
public void getConfig(ContainerMbusConfig.Builder builder) {
builder.port(getMessagingPort());
}
@Override
public HashMap getDefaultMetricDimensions(){
HashMap dimensions = new HashMap<>();
if (clusterName != null)
dimensions.put("clustername", clusterName);
return dimensions;
}
protected String prepareStopCommand(Duration timeout) {
long rpcTimeoutSeconds = timeout.toSeconds() + 10;
String rpcParams = "-t " + rpcTimeoutSeconds + " tcp/localhost:" + getRpcPort() + " prepareStop d:" + timeout.toSeconds();
return getDefaults().underVespaHome("bin/vespa-rpc-invoke") + " " + rpcParams;
}
private boolean messageBusEnabled() {
return containerCluster().isPresent() && containerCluster().get().messageBusEnabled();
}
private boolean httpServerEnabled() {
return containerCluster().isPresent() && containerCluster().get().httpServerEnabled();
}
private boolean rpcServerEnabled() {
return containerCluster().isPresent() && containerCluster().get().rpcServerEnabled();
}
protected Optional containerCluster() {
return Optional.ofNullable(containerClusterOrNull(parent));
}
private static ContainerCluster containerClusterOrNull(AnyConfigProducer producer) {
return producer instanceof ContainerCluster ? (ContainerCluster) producer : null;
}
void setLogctlSpecs(List logctlSpecs) {
this.logctlSpecs = logctlSpecs;
}
@Override
public List getLogctlSpecs() { return logctlSpecs; }
}
