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org.springframework.boot.autoconfigure.mongo.embedded.EmbeddedMongoAutoConfiguration Maven / Gradle / Ivy
/*
* Copyright 2012-2018 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.autoconfigure.mongo.embedded;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import com.mongodb.MongoClient;
import de.flapdoodle.embed.mongo.Command;
import de.flapdoodle.embed.mongo.MongodExecutable;
import de.flapdoodle.embed.mongo.MongodStarter;
import de.flapdoodle.embed.mongo.config.DownloadConfigBuilder;
import de.flapdoodle.embed.mongo.config.ExtractedArtifactStoreBuilder;
import de.flapdoodle.embed.mongo.config.IMongodConfig;
import de.flapdoodle.embed.mongo.config.MongodConfigBuilder;
import de.flapdoodle.embed.mongo.config.Net;
import de.flapdoodle.embed.mongo.config.RuntimeConfigBuilder;
import de.flapdoodle.embed.mongo.config.Storage;
import de.flapdoodle.embed.mongo.distribution.Feature;
import de.flapdoodle.embed.mongo.distribution.IFeatureAwareVersion;
import de.flapdoodle.embed.process.config.IRuntimeConfig;
import de.flapdoodle.embed.process.config.io.ProcessOutput;
import de.flapdoodle.embed.process.io.Processors;
import de.flapdoodle.embed.process.io.Slf4jLevel;
import de.flapdoodle.embed.process.io.progress.Slf4jProgressListener;
import de.flapdoodle.embed.process.runtime.Network;
import de.flapdoodle.embed.process.store.ArtifactStoreBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.autoconfigure.AutoConfigureBefore;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.data.mongo.MongoClientDependsOnBeanFactoryPostProcessor;
import org.springframework.boot.autoconfigure.mongo.MongoAutoConfiguration;
import org.springframework.boot.autoconfigure.mongo.MongoProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.MapPropertySource;
import org.springframework.core.env.MutablePropertySources;
import org.springframework.core.env.PropertySource;
import org.springframework.data.mongodb.core.MongoClientFactoryBean;
import org.springframework.util.Assert;
/**
* {@link EnableAutoConfiguration Auto-configuration} for Embedded Mongo.
*
* @author Henryk Konsek
* @author Andy Wilkinson
* @author Yogesh Lonkar
* @since 1.3.0
*/
@Configuration
@EnableConfigurationProperties({ MongoProperties.class, EmbeddedMongoProperties.class })
@AutoConfigureBefore(MongoAutoConfiguration.class)
@ConditionalOnClass({ MongoClient.class, MongodStarter.class })
public class EmbeddedMongoAutoConfiguration {
private static final byte[] IP4_LOOPBACK_ADDRESS = { 127, 0, 0, 1 };
private static final byte[] IP6_LOOPBACK_ADDRESS = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 1 };
private final MongoProperties properties;
private final EmbeddedMongoProperties embeddedProperties;
private final ApplicationContext context;
private final IRuntimeConfig runtimeConfig;
public EmbeddedMongoAutoConfiguration(MongoProperties properties,
EmbeddedMongoProperties embeddedProperties, ApplicationContext context,
IRuntimeConfig runtimeConfig) {
this.properties = properties;
this.embeddedProperties = embeddedProperties;
this.context = context;
this.runtimeConfig = runtimeConfig;
}
@Bean(initMethod = "start", destroyMethod = "stop")
@ConditionalOnMissingBean
public MongodExecutable embeddedMongoServer(IMongodConfig mongodConfig)
throws IOException {
Integer configuredPort = this.properties.getPort();
if (configuredPort == null || configuredPort == 0) {
setEmbeddedPort(mongodConfig.net().getPort());
}
MongodStarter mongodStarter = getMongodStarter(this.runtimeConfig);
return mongodStarter.prepare(mongodConfig);
}
private MongodStarter getMongodStarter(IRuntimeConfig runtimeConfig) {
if (runtimeConfig == null) {
return MongodStarter.getDefaultInstance();
}
return MongodStarter.getInstance(runtimeConfig);
}
@Bean
@ConditionalOnMissingBean
public IMongodConfig embeddedMongoConfiguration() throws IOException {
IFeatureAwareVersion featureAwareVersion = new ToStringFriendlyFeatureAwareVersion(
this.embeddedProperties.getVersion(),
this.embeddedProperties.getFeatures());
MongodConfigBuilder builder = new MongodConfigBuilder()
.version(featureAwareVersion);
if (this.embeddedProperties.getStorage() != null) {
builder.replication(
new Storage(this.embeddedProperties.getStorage().getDatabaseDir(),
this.embeddedProperties.getStorage().getReplSetName(),
this.embeddedProperties.getStorage().getOplogSize() != null
? this.embeddedProperties.getStorage().getOplogSize()
: 0));
}
Integer configuredPort = this.properties.getPort();
if (configuredPort != null && configuredPort > 0) {
builder.net(new Net(getHost().getHostAddress(), configuredPort,
Network.localhostIsIPv6()));
}
else {
builder.net(new Net(getHost().getHostAddress(),
Network.getFreeServerPort(getHost()), Network.localhostIsIPv6()));
}
return builder.build();
}
private InetAddress getHost() throws UnknownHostException {
if (this.properties.getHost() == null) {
return InetAddress.getByAddress(Network.localhostIsIPv6()
? IP6_LOOPBACK_ADDRESS : IP4_LOOPBACK_ADDRESS);
}
return InetAddress.getByName(this.properties.getHost());
}
private void setEmbeddedPort(int port) {
setPortProperty(this.context, port);
}
private void setPortProperty(ApplicationContext currentContext, int port) {
if (currentContext instanceof ConfigurableApplicationContext) {
MutablePropertySources sources = ((ConfigurableApplicationContext) currentContext)
.getEnvironment().getPropertySources();
getMongoPorts(sources).put("local.mongo.port", port);
}
if (currentContext.getParent() != null) {
setPortProperty(currentContext.getParent(), port);
}
}
@SuppressWarnings("unchecked")
private Map getMongoPorts(MutablePropertySources sources) {
PropertySource propertySource = sources.get("mongo.ports");
if (propertySource == null) {
propertySource = new MapPropertySource("mongo.ports",
new HashMap());
sources.addFirst(propertySource);
}
return (Map) propertySource.getSource();
}
@Configuration
@ConditionalOnClass(Logger.class)
@ConditionalOnMissingBean(IRuntimeConfig.class)
static class RuntimeConfigConfiguration {
@Bean
public IRuntimeConfig embeddedMongoRuntimeConfig() {
Logger logger = LoggerFactory
.getLogger(getClass().getPackage().getName() + ".EmbeddedMongo");
ProcessOutput processOutput = new ProcessOutput(
Processors.logTo(logger, Slf4jLevel.INFO),
Processors.logTo(logger, Slf4jLevel.ERROR), Processors.named(
"[console>]", Processors.logTo(logger, Slf4jLevel.DEBUG)));
return new RuntimeConfigBuilder().defaultsWithLogger(Command.MongoD, logger)
.processOutput(processOutput).artifactStore(getArtifactStore(logger))
.build();
}
private ArtifactStoreBuilder getArtifactStore(Logger logger) {
return new ExtractedArtifactStoreBuilder().defaults(Command.MongoD)
.download(new DownloadConfigBuilder()
.defaultsForCommand(Command.MongoD)
.progressListener(new Slf4jProgressListener(logger)).build());
}
}
/**
* Additional configuration to ensure that {@link MongoClient} beans depend on the
* {@code embeddedMongoServer} bean.
*/
@Configuration
@ConditionalOnClass({ MongoClient.class, MongoClientFactoryBean.class })
protected static class EmbeddedMongoDependencyConfiguration
extends MongoClientDependsOnBeanFactoryPostProcessor {
public EmbeddedMongoDependencyConfiguration() {
super("embeddedMongoServer");
}
}
/**
* A workaround for the lack of a {@code toString} implementation on
* {@code GenericFeatureAwareVersion}.
*/
private static final class ToStringFriendlyFeatureAwareVersion
implements IFeatureAwareVersion {
private final String version;
private final Set features;
private ToStringFriendlyFeatureAwareVersion(String version,
Set features) {
Assert.notNull(version, "version must not be null");
this.version = version;
this.features = (features != null ? features
: Collections.emptySet());
}
@Override
public String asInDownloadPath() {
return this.version;
}
@Override
public boolean enabled(Feature feature) {
return this.features.contains(feature);
}
@Override
public String toString() {
return this.version;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + this.features.hashCode();
result = prime * result + this.version.hashCode();
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() == obj.getClass()) {
ToStringFriendlyFeatureAwareVersion other = (ToStringFriendlyFeatureAwareVersion) obj;
boolean equals = true;
equals = equals && this.features.equals(other.features);
equals = equals && this.version.equals(other.version);
return equals;
}
return super.equals(obj);
}
}
}
