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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.model.container.http;
import com.yahoo.component.ComponentId;
import com.yahoo.component.ComponentSpecification;
import com.yahoo.container.bundle.BundleInstantiationSpecification;
import com.yahoo.jdisc.http.ServerConfig;
import com.yahoo.osgi.provider.model.ComponentModel;
import com.yahoo.vespa.model.container.ApplicationContainerCluster;
import com.yahoo.vespa.model.container.ContainerCluster;
import com.yahoo.vespa.model.container.component.SimpleComponent;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import static com.yahoo.component.ComponentSpecification.fromString;
/**
* @author Einar M R Rosenvinge
* @author bjorncs
*/
public class JettyHttpServer extends SimpleComponent implements ServerConfig.Producer {
private final ContainerCluster<?> cluster;
private volatile boolean isHostedVespa;
private final List<ConnectorFactory> connectorFactories = new ArrayList<>();
public JettyHttpServer(ComponentId id, ContainerCluster<?> cluster, boolean isHostedVespa) {
super(new ComponentModel(
new BundleInstantiationSpecification(id,
fromString("com.yahoo.jdisc.http.server.jetty.JettyHttpServer"),
fromString("jdisc_http_service"))
));
this.isHostedVespa = isHostedVespa;
this.cluster = cluster;
final FilterBindingsProviderComponent filterBindingsProviderComponent = new FilterBindingsProviderComponent(id);
addChild(filterBindingsProviderComponent);
inject(filterBindingsProviderComponent);
}
public void setHostedVespa(boolean isHostedVespa) { this.isHostedVespa = isHostedVespa; }
public void addConnector(ConnectorFactory connectorFactory) {
connectorFactories.add(connectorFactory);
addChild(connectorFactory);
}
public List<ConnectorFactory> getConnectorFactories() {
return Collections.unmodifiableList(connectorFactories);
}
@Override
public void getConfig(ServerConfig.Builder builder) {
builder.metric(new ServerConfig.Metric.Builder()
.monitoringHandlerPaths(List.of("/state/v1", "/status.html"))
.searchHandlerPaths(List.of("/search"))
);
if (isHostedVespa) {
// Proxy-protocol v1/v2 is used in hosted Vespa for remote address/port
builder.accessLog(new ServerConfig.AccessLog.Builder()
.remoteAddressHeaders(List.of())
.remotePortHeaders(List.of()));
// Enable connection log hosted Vespa
builder.connectionLog(new ServerConfig.ConnectionLog.Builder().enabled(true));
} else {
// TODO Vespa 8: Remove legacy Yahoo headers
builder.accessLog(new ServerConfig.AccessLog.Builder()
.remoteAddressHeaders(List.of("x-forwarded-for", "y-ra", "yahooremoteip", "client-ip"))
.remotePortHeaders(List.of("X-Forwarded-Port", "y-rp")));
}
configureJettyThreadpool(builder);
}
private void configureJettyThreadpool(ServerConfig.Builder builder) {
if (cluster == null) return;
if (cluster instanceof ApplicationContainerCluster) {
configureApplicationClusterJettyThreadPool(builder);
} else {
builder.minWorkerThreads(4).maxWorkerThreads(4);
}
}
private void configureApplicationClusterJettyThreadPool(ServerConfig.Builder builder) {
double vcpu = cluster.vcpu().orElse(0);
if (vcpu > 0) {
int threads = 16 + (int) Math.ceil(vcpu);
builder.minWorkerThreads(threads).maxWorkerThreads(threads);
}
}
static ComponentModel providerComponentModel(final ComponentId parentId, String className) {
final ComponentSpecification classNameSpec = new ComponentSpecification(
className);
return new ComponentModel(new BundleInstantiationSpecification(
classNameSpec.nestInNamespace(parentId),
classNameSpec,
null));
}
public static final class FilterBindingsProviderComponent extends SimpleComponent {
public FilterBindingsProviderComponent(final ComponentId parentId) {
super(providerComponentModel(parentId, "com.yahoo.container.jdisc.FilterBindingsProvider"));
}
}
}
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