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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;
import com.google.inject.Inject;
import com.yahoo.component.provider.ComponentRegistry;
import com.yahoo.config.application.api.ApplicationPackage;
import com.yahoo.config.model.ConfigModelRegistry;
import com.yahoo.config.model.MapConfigModelRegistry;
import com.yahoo.config.model.NullConfigModelRegistry;
import com.yahoo.config.model.api.ConfigChangeAction;
import com.yahoo.config.model.api.ConfigModelPlugin;
import com.yahoo.config.model.api.HostProvisioner;
import com.yahoo.config.model.api.Model;
import com.yahoo.config.model.api.ModelContext;
import com.yahoo.config.model.api.ModelCreateResult;
import com.yahoo.config.model.api.ModelFactory;
import com.yahoo.config.model.application.provider.ApplicationPackageXmlFilesValidator;
import com.yahoo.config.model.builder.xml.ConfigModelBuilder;
import com.yahoo.config.model.deploy.DeployProperties;
import com.yahoo.config.model.deploy.DeployState;
import com.yahoo.config.provision.Version;
import com.yahoo.config.provision.Zone;
import com.yahoo.vespa.config.VespaVersion;
import com.yahoo.vespa.model.application.validation.Validation;
import org.xml.sax.SAXException;
import java.io.IOException;
import java.time.Clock;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Logger;
/**
* Factory for creating {@link VespaModel} instances.
*
* @author Ulf Lilleengen
*/
public class VespaModelFactory implements ModelFactory {
private static final Logger log = Logger.getLogger(VespaModelFactory.class.getName());
private final ConfigModelRegistry configModelRegistry;
private final Zone zone;
private final Clock clock;
private final Version version;
/** Creates a factory for vespa models for this version of the source */
@Inject
public VespaModelFactory(ComponentRegistry<ConfigModelPlugin> pluginRegistry, Zone zone) {
this(Version.fromIntValues(VespaVersion.major, VespaVersion.minor, VespaVersion.micro), pluginRegistry, zone);
}
/** Creates a factory for vespa models of a particular version */
public VespaModelFactory(Version version, ComponentRegistry<ConfigModelPlugin> pluginRegistry, Zone zone) {
this.version = version;
List<ConfigModelBuilder> modelBuilders = new ArrayList<>();
for (ConfigModelPlugin plugin : pluginRegistry.allComponents()) {
if (plugin instanceof ConfigModelBuilder) {
modelBuilders.add((ConfigModelBuilder) plugin);
}
}
this.configModelRegistry = new MapConfigModelRegistry(modelBuilders);
this.zone = zone;
this.clock = Clock.systemUTC();
}
public VespaModelFactory(ConfigModelRegistry configModelRegistry) {
this(configModelRegistry, Clock.systemUTC());
}
public VespaModelFactory(ConfigModelRegistry configModelRegistry, Clock clock) {
this(Version.fromIntValues(VespaVersion.major, VespaVersion.minor, VespaVersion.micro), configModelRegistry, clock);
}
public VespaModelFactory(Version version, ConfigModelRegistry configModelRegistry, Clock clock) {
this.version = version;
if (configModelRegistry == null) {
this.configModelRegistry = new NullConfigModelRegistry();
log.info("Will not load config models from plugins, as no registry is available");
} else {
this.configModelRegistry = configModelRegistry;
}
this.zone = Zone.defaultZone();
this.clock = clock;
}
/** Returns the version this model is build for */
@Override
public Version getVersion() { return version; }
@Override
public Model createModel(ModelContext modelContext) {
return buildModel(createDeployState(modelContext));
}
@Override
public ModelCreateResult createAndValidateModel(ModelContext modelContext, boolean ignoreValidationErrors) {
validateXml(modelContext, ignoreValidationErrors);
DeployState deployState = createDeployState(modelContext);
VespaModel model = buildModel(deployState);
List<ConfigChangeAction> changeActions = validateModel(model, deployState, ignoreValidationErrors);
return new ModelCreateResult(model, changeActions);
}
private void validateXml(ModelContext modelContext, boolean ignoreValidationErrors) {
if (modelContext.appDir().isPresent()) {
ApplicationPackageXmlFilesValidator validator =
ApplicationPackageXmlFilesValidator.create(modelContext.appDir().get(),
modelContext.modelVespaVersion());
try {
validator.checkApplication();
validator.checkIncludedDirs(modelContext.applicationPackage());
} catch (IllegalArgumentException e) {
rethrowUnlessIgnoreErrors(e, ignoreValidationErrors);
} catch (Exception e) {
throw new RuntimeException(e);
}
} else {
validateXML(modelContext.applicationPackage(), ignoreValidationErrors);
}
}
private VespaModel buildModel(DeployState deployState) {
try {
return new VespaModel(configModelRegistry, deployState);
} catch (IOException | SAXException e) {
throw new RuntimeException(e);
}
}
private DeployState createDeployState(ModelContext modelContext) {
DeployState.Builder builder = new DeployState.Builder()
.applicationPackage(modelContext.applicationPackage())
.deployLogger(modelContext.deployLogger())
.configDefinitionRepo(modelContext.configDefinitionRepo())
.fileRegistry(modelContext.getFileRegistry())
.permanentApplicationPackage(modelContext.permanentApplicationPackage())
.properties(createDeployProperties(modelContext.properties()))
.modelHostProvisioner(createHostProvisioner(modelContext))
.rotations(modelContext.properties().rotations())
.zone(zone)
.now(clock.instant())
.wantedNodeVespaVersion(modelContext.wantedNodeVespaVersion());
modelContext.previousModel().ifPresent(builder::previousModel);
return builder.build();
}
private DeployProperties createDeployProperties(ModelContext.Properties properties) {
return new DeployProperties.Builder()
.applicationId(properties.applicationId())
.configServerSpecs(properties.configServerSpecs())
.loadBalancerName(properties.loadBalancerName())
.multitenant(properties.multitenant())
.hostedVespa(properties.hostedVespa())
.vespaVersion(getVersion())
.zone(properties.zone())
.build();
}
private static HostProvisioner createHostProvisioner(ModelContext modelContext) {
return modelContext.hostProvisioner().orElse(
DeployState.getDefaultModelHostProvisioner(modelContext.applicationPackage()));
}
private void validateXML(ApplicationPackage applicationPackage, boolean ignoreValidationErrors) {
try {
applicationPackage.validateXML();
} catch (IllegalArgumentException e) {
rethrowUnlessIgnoreErrors(e, ignoreValidationErrors);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private List<ConfigChangeAction> validateModel(VespaModel model, DeployState deployState, boolean ignoreValidationErrors) {
try {
return Validation.validate(model, ignoreValidationErrors, deployState);
} catch (IllegalArgumentException e) {
rethrowUnlessIgnoreErrors(e, ignoreValidationErrors);
} catch (Exception e) {
throw new RuntimeException(e);
}
return new ArrayList<>();
}
private static void rethrowUnlessIgnoreErrors(IllegalArgumentException e, boolean ignoreValidationErrors) {
if (!ignoreValidationErrors) {
throw e;
}
}
}
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