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520 строки
21 KiB
Plaintext
520 строки
21 KiB
Plaintext
!!!!
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we expose BasicAWSCredentials
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default - ProfileCredentialsProvider
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profileName = "default"
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AWSStaticCredentialsProvider
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ProfileCredentialsProvider
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@Configuration(proxyBeanMethods = false)
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@Import({ ContextDefaultConfigurationRegistrar.class, ContextCredentialsAutoConfiguration.Registrar.class })
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@ConditionalOnClass(name = "com.amazonaws.auth.AWSCredentialsProvider")
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public class ContextCredentialsAutoConfiguration {
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/**
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* The prefix used for AWS credentials related properties.
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*/
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public static final String AWS_CREDENTIALS_PROPERTY_PREFIX = "cloud.aws.credentials";
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/**
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* Bind AWS credentials related properties to a property instance.
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* @return An {@link AwsCredentialsProperties} instance
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*/
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@Bean
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@ConfigurationProperties(prefix = AWS_CREDENTIALS_PROPERTY_PREFIX)
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public AwsCredentialsProperties awsCredentialsProperties() {
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return new AwsCredentialsProperties();
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}
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/**
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* Registrar for the credentials provider.
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*/
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public static class Registrar implements ImportBeanDefinitionRegistrar, EnvironmentAware {
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private Environment environment;
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@Override
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public void setEnvironment(Environment environment) {
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this.environment = environment;
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}
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@Override
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public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {
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// Do not register a credentials provider if a bean with the same name is already registered.
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if (registry.containsBeanDefinition(CredentialsProviderFactoryBean.CREDENTIALS_PROVIDER_BEAN_NAME)) {
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return;
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}
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Boolean useDefaultCredentialsChain = this.environment.getProperty(
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AWS_CREDENTIALS_PROPERTY_PREFIX + ".useDefaultAwsCredentialsChain", Boolean.class, false);
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String accessKey = this.environment.getProperty(AWS_CREDENTIALS_PROPERTY_PREFIX + ".accessKey");
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String secretKey = this.environment.getProperty(AWS_CREDENTIALS_PROPERTY_PREFIX + ".secretKey");
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if (useDefaultCredentialsChain && (StringUtils.isEmpty(accessKey) || StringUtils.isEmpty(secretKey))) {
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registerDefaultAWSCredentialsProvider(registry);
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} else {
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registerCredentialsProvider(registry, accessKey, secretKey,
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this.environment.getProperty(AWS_CREDENTIALS_PROPERTY_PREFIX + ".instanceProfile", Boolean.class, true)
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&& !this.environment.containsProperty(AWS_CREDENTIALS_PROPERTY_PREFIX + ".accessKey"),
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this.environment.getProperty(AWS_CREDENTIALS_PROPERTY_PREFIX + ".profileName", DEFAULT_PROFILE_NAME),
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this.environment.getProperty(AWS_CREDENTIALS_PROPERTY_PREFIX + ".profilePath"));
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}
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}
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}
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}
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org.springframework.cloud.aws.context.config.support.ContextConfigurationUtils
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public final class ContextConfigurationUtils {
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/**
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* Name of the region provider bean.
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*/
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public static final String REGION_PROVIDER_BEAN_NAME = "regionProvider";
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// @checkstyle:off
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private static final String POST_PROCESSOR_CLASS_NAME = "org.springframework.cloud.aws.context.config.AmazonEc2InstanceDataPropertySourcePostProcessor";
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// @checkstyle:on
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private static final String POST_PROCESSOR_BEAN_NAME = "AmazonEc2InstanceDataPropertySourcePostProcessor";
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private ContextConfigurationUtils() {
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}
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public static void registerRegionProvider(BeanDefinitionRegistry registry,
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boolean autoDetect, String configuredRegion) {
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if (autoDetect && StringUtils.hasText(configuredRegion)) {
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throw new IllegalArgumentException(
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"No region must be configured if autoDetect is defined as true");
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}
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AbstractBeanDefinition beanDefinition;
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if (autoDetect) {
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beanDefinition = BeanDefinitionBuilder
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.genericBeanDefinition(Ec2MetadataRegionProvider.class)
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.getBeanDefinition();
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}
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else if (StringUtils.hasText(configuredRegion)) {
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BeanDefinitionBuilder builder = BeanDefinitionBuilder
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.genericBeanDefinition(StaticRegionProvider.class);
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builder.addConstructorArgValue(configuredRegion);
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beanDefinition = builder.getBeanDefinition();
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}
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else {
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throw new IllegalArgumentException(
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"Region must be manually configured or autoDetect enabled");
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}
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BeanDefinitionReaderUtils.registerBeanDefinition(
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new BeanDefinitionHolder(beanDefinition, REGION_PROVIDER_BEAN_NAME),
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registry);
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AmazonWebserviceClientConfigurationUtils.replaceDefaultRegionProvider(registry,
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REGION_PROVIDER_BEAN_NAME);
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}
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public static void registerDefaultAWSCredentialsProvider(
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BeanDefinitionRegistry registry) {
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BeanDefinitionBuilder builder = BeanDefinitionBuilder
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.rootBeanDefinition(DefaultAWSCredentialsProviderChain.class);
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registry.registerBeanDefinition(
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CredentialsProviderFactoryBean.CREDENTIALS_PROVIDER_BEAN_NAME,
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builder.getBeanDefinition());
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AmazonWebserviceClientConfigurationUtils.replaceDefaultCredentialsProvider(
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registry, CredentialsProviderFactoryBean.CREDENTIALS_PROVIDER_BEAN_NAME);
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}
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public static void registerCredentialsProvider(BeanDefinitionRegistry registry,
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String accessKey, String secretKey, boolean instanceProfile,
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String profileName, String profilePath) {
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BeanDefinitionBuilder factoryBeanBuilder = BeanDefinitionBuilder
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.genericBeanDefinition(CredentialsProviderFactoryBean.class);
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ManagedList<BeanDefinition> awsCredentialsProviders = new ManagedList<>();
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if (StringUtils.hasText(accessKey)) {
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BeanDefinitionBuilder credentials = BeanDefinitionBuilder.rootBeanDefinition(BasicAWSCredentials.class);
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credentials.addConstructorArgValue(accessKey);
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credentials.addConstructorArgValue(secretKey);
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// !!!
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BeanDefinitionBuilder provider = BeanDefinitionBuilder.rootBeanDefinition(AWSStaticCredentialsProvider.class);
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provider.addConstructorArgValue(credentials.getBeanDefinition());
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awsCredentialsProviders.add(provider.getBeanDefinition());
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}
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if (instanceProfile) {
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awsCredentialsProviders.add(BeanDefinitionBuilder
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.rootBeanDefinition(EC2ContainerCredentialsProviderWrapper.class)
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.getBeanDefinition());
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}
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if (StringUtils.hasText(profileName)) {
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BeanDefinitionBuilder builder = BeanDefinitionBuilder.genericBeanDefinition(ProfileCredentialsProvider.class);
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if (StringUtils.hasText(profilePath)) {
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builder.addConstructorArgValue(profilePath);
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}
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builder.addConstructorArgValue(profileName);
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awsCredentialsProviders.add(builder.getBeanDefinition());
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}
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factoryBeanBuilder.addConstructorArgValue(awsCredentialsProviders);
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registry.registerBeanDefinition(
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CredentialsProviderFactoryBean.CREDENTIALS_PROVIDER_BEAN_NAME,
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factoryBeanBuilder.getBeanDefinition());
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AmazonWebserviceClientConfigurationUtils.replaceDefaultCredentialsProvider(
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registry, CredentialsProviderFactoryBean.CREDENTIALS_PROVIDER_BEAN_NAME);
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}
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public static void registerInstanceDataPropertySource(BeanDefinitionRegistry registry,
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String valueSeparator, String attributeSeparator) {
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BeanDefinitionBuilder builder = BeanDefinitionBuilder.genericBeanDefinition(POST_PROCESSOR_CLASS_NAME);
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builder.addPropertyValue("valueSeparator", valueSeparator);
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builder.addPropertyValue("attributeSeparator", attributeSeparator);
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registry.registerBeanDefinition(POST_PROCESSOR_BEAN_NAME,
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builder.getBeanDefinition());
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}
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}
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!!!!
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https://github.com/spring-cloud/spring-cloud-aws/blob/master/spring-cloud-aws-core/src/main/java/org/springframework/cloud/aws/core/config/AmazonWebserviceClientFactoryBean.java
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!!!!
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org.springframework.cloud.aws.core.config.AmazonWebserviceClientFactoryBean
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public class AmazonWebserviceClientFactoryBean<T extends AmazonWebServiceClient> extends AbstractFactoryBean<T> {
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private final Class<? extends AmazonWebServiceClient> clientClass;
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private final AWSCredentialsProvider credentialsProvider;
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private RegionProvider regionProvider;
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private Region customRegion;
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private ExecutorService executor;
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public AmazonWebserviceClientFactoryBean(Class<T> clientClass,
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AWSCredentialsProvider credentialsProvider) {
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this.clientClass = clientClass;
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this.credentialsProvider = credentialsProvider;
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}
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public AmazonWebserviceClientFactoryBean(Class<T> clientClass, AWSCredentialsProvider credentialsProvider, RegionProvider regionProvider) {
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this(clientClass, credentialsProvider);
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setRegionProvider(regionProvider);
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}
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@Override
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public Class<?> getObjectType() {
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return this.clientClass;
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}
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@SuppressWarnings("unchecked")
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@Override
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protected T createInstance() throws Exception {
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String builderName = this.clientClass.getName() + "Builder";
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Class<?> className = ClassUtils.resolveClassName(builderName, ClassUtils.getDefaultClassLoader());
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Method method = ClassUtils.getStaticMethod(className, "standard");
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Assert.notNull(method, "Could not find standard() method in class:'" + className.getName() + "'");
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AwsClientBuilder<?, T> builder = (AwsClientBuilder<?, T>) ReflectionUtils.invokeMethod(method, null);
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if (this.executor != null) {
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AwsAsyncClientBuilder<?, T> asyncBuilder = (AwsAsyncClientBuilder<?, T>) builder;
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asyncBuilder.withExecutorFactory((ExecutorFactory) () -> this.executor);
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}
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if (this.credentialsProvider != null) {
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builder.withCredentials(this.credentialsProvider);
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}
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if (this.customRegion != null) {
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builder.withRegion(this.customRegion.getName());
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}
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else if (this.regionProvider != null) {
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builder.withRegion(this.regionProvider.getRegion().getName());
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}
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else {
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builder.withRegion(Regions.DEFAULT_REGION);
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}
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return builder.build();
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}
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public void setRegionProvider(RegionProvider regionProvider) {
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this.regionProvider = regionProvider;
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}
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public void setCustomRegion(String customRegionName) {
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this.customRegion = RegionUtils.getRegion(customRegionName);
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}
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public void setExecutor(ExecutorService executor) {
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this.executor = executor;
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}
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@Override
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protected void destroyInstance(T instance) throws Exception {
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instance.shutdown();
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}
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}
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org.springframework.cloud.aws.context.config.annotation.ContextResourceLoaderConfiguration
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@Configuration(proxyBeanMethods = false)
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@Import(ContextResourceLoaderConfiguration.Registrar.class)
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public class ContextResourceLoaderConfiguration {
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/**
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* Registrar for Amazon webservice client.
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*/
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public static class Registrar implements ImportBeanDefinitionRegistrar {
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@Override
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public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {
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// !!!
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BeanDefinitionHolder client = AmazonWebserviceClientConfigurationUtils.registerAmazonWebserviceClient(this, registry,
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AmazonS3Client.class.getName(), null, null);
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BeanDefinitionBuilder configurer = BeanDefinitionBuilder.genericBeanDefinition(SimpleStorageProtocolResolverConfigurer.class);
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configurer.addConstructorArgValue(getProtocolResolver(client));
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BeanDefinitionReaderUtils.registerWithGeneratedName(configurer.getBeanDefinition(), registry);
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}
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protected BeanDefinition getProtocolResolver(BeanDefinitionHolder client) {
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BeanDefinitionBuilder resolver = BeanDefinitionBuilder.rootBeanDefinition(SimpleStorageProtocolResolver.class);
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resolver.addConstructorArgReference(client.getBeanName());
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BeanDefinition taskExecutor = getTaskExecutorDefinition();
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if (taskExecutor != null) {
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resolver.addPropertyValue("taskExecutor", taskExecutor);
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}
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return resolver.getBeanDefinition();
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}
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protected BeanDefinition getTaskExecutorDefinition() {
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return null;
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}
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}
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}
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public final class AmazonWebserviceClientConfigurationUtils {
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// Name of the bean for region provider.
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public static final String REGION_PROVIDER_BEAN_NAME = "org.springframework.cloud.aws.core.region.RegionProvider.BEAN_NAME";
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// Name of the bean for credentials provider.
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public static final String CREDENTIALS_PROVIDER_BEAN_NAME = "org.springframework.cloud.aws.core.credentials.CredentialsProviderFactoryBean.BEAN_NAME";
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private static final String SERVICE_IMPLEMENTATION_SUFFIX = "Client";
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private AmazonWebserviceClientConfigurationUtils() {
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// Avoid instantiation
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}
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public static BeanDefinitionHolder registerAmazonWebserviceClient(Object source, BeanDefinitionRegistry registry, String serviceNameClassName, String customRegionProvider, String customRegion) {
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String beanName = getBeanName(serviceNameClassName);
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if (registry.containsBeanDefinition(beanName)) {
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return new BeanDefinitionHolder(registry.getBeanDefinition(beanName), beanName);
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}
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BeanDefinition definition = getAmazonWebserviceClientBeanDefinition(source, serviceNameClassName, customRegionProvider, customRegion, registry);
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BeanDefinitionHolder holder = new BeanDefinitionHolder(definition, beanName);
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BeanDefinitionReaderUtils.registerBeanDefinition(holder, registry);
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return holder;
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}
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public static AbstractBeanDefinition getAmazonWebserviceClientBeanDefinition(Object source, String serviceNameClassName, String customRegionProvider, String customRegion, BeanDefinitionRegistry beanDefinitionRegistry) {
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if (StringUtils.hasText(customRegionProvider) && StringUtils.hasText(customRegion)) {
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throw new IllegalArgumentException("Only region or regionProvider can be configured, but not both");
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}
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registerCredentialsProviderIfNeeded(beanDefinitionRegistry);
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BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(AmazonWebserviceClientFactoryBean.class);
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// Configure constructor parameters
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builder.addConstructorArgValue(serviceNameClassName);
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builder.addConstructorArgReference(CREDENTIALS_PROVIDER_BEAN_NAME);
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// Configure source of the bean definition
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builder.getRawBeanDefinition().setSource(source);
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// Configure region properties (either custom region provider or custom region)
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if (StringUtils.hasText(customRegionProvider)) {
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builder.addPropertyReference("regionProvider", customRegionProvider);
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} else if (StringUtils.hasText(customRegion)) {
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builder.addPropertyValue("customRegion", customRegion);
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} else {
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registerRegionProviderBeanIfNeeded(beanDefinitionRegistry);
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builder.addPropertyReference("regionProvider", REGION_PROVIDER_BEAN_NAME);
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}
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return builder.getBeanDefinition();
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}
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private static void registerCredentialsProviderIfNeeded(BeanDefinitionRegistry registry) {
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if (!registry.containsBeanDefinition(CREDENTIALS_PROVIDER_BEAN_NAME)) { // !!!
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BeanDefinitionBuilder builder = BeanDefinitionBuilder.genericBeanDefinition(CredentialsProviderFactoryBean.class);
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builder.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
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registry.registerBeanDefinition(CREDENTIALS_PROVIDER_BEAN_NAME, builder.getBeanDefinition());
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}
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}
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...
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}
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//
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// ??? - where do we instantiate this ???
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//
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// AbstractAutowireCapableBeanFactory.doCreateBean(...
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// org.springframework.beans.factory.support.RootBeanDefinition mbd
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// -> ConstructorResolver.resolveConstructorArguments(String beanName: "org...SimpleStorageProtocolResolverConfigurer"
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// AbstractAutowireCapableBeanFactory.autowireConstructor(...)
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// AbstractAutowireCapableBeanFactory.createBeanInstance(...)
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// ...
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// DefaultListableBeanFactory.preInstantiateSingletons()
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// beanName = org.springframework.cloud.aws.context.support.io.SimpleStorageProtocolResolverConfigurer#0
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org.springframework.cloud.aws.core.io.s3.SimpleStorageProtocolResolver
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public class SimpleStorageProtocolResolver implements ProtocolResolver, InitializingBean {
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private final AmazonS3 amazonS3;
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private TaskExecutor taskExecutor;
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// TODO: usages ???
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public SimpleStorageProtocolResolver(AmazonS3 amazonS3) {
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this.amazonS3 = AmazonS3ProxyFactory.createProxy(amazonS3);
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}
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@RuntimeUse
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public void setTaskExecutor(TaskExecutor taskExecutor) {
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this.taskExecutor = taskExecutor;
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}
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@Override
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public void afterPropertiesSet() {
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if (this.taskExecutor == null) {
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this.taskExecutor = new SyncTaskExecutor();
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}
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}
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@Override
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public Resource resolve(String location, ResourceLoader resourceLoader) {
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if (SimpleStorageNameUtils.isSimpleStorageResource(location)) {
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return new SimpleStorageResource(this.amazonS3,
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SimpleStorageNameUtils.getBucketNameFromLocation(location),
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SimpleStorageNameUtils.getObjectNameFromLocation(location),
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this.taskExecutor,
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SimpleStorageNameUtils.getVersionIdFromLocation(location));
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}
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else {
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return null;
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}
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}
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public AmazonS3 getAmazonS3() {
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return this.amazonS3;
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}
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}
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org.springframework.cloud.aws.context.support.io.SimpleStorageProtocolResolverConfigurer
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private final ProtocolResolver resourceLoader;
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public SimpleStorageProtocolResolverConfigurer(SimpleStorageProtocolResolver simpleStorageProtocolResolver) {
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this.resourceLoader = simpleStorageProtocolResolver; // !!!
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}
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@Override
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public int getOrder() {
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return Ordered.HIGHEST_PRECEDENCE;
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}
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@Override
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public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
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if (applicationContext instanceof ConfigurableApplicationContext) {
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ConfigurableApplicationContext configurableApplicationContext = (ConfigurableApplicationContext) applicationContext;
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configurableApplicationContext.addProtocolResolver(this.resourceLoader);
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}
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}
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org.springframework.cloud.aws.core.io.s3.SimpleStorageResource
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@Override
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public InputStream getInputStream() throws IOException {
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GetObjectRequest getObjectRequest = new GetObjectRequest(this.bucketName, this.objectName);
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if (this.versionId != null) {
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getObjectRequest.setVersionId(this.versionId);
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}
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return this.amazonS3.getObject(getObjectRequest).getObjectContent();
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}
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org.springframework.cloud.aws.core.io.s3.AmazonS3ClientFactory
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public class AmazonS3ClientFactory {
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private static final String CREDENTIALS_PROVIDER_FIELD_NAME = "awsCredentialsProvider";
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private final ConcurrentHashMap<String, AmazonS3> clientCache = new ConcurrentHashMap<>(
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Regions.values().length);
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private final Field credentialsProviderField;
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public AmazonS3ClientFactory() {
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this.credentialsProviderField = ReflectionUtils.findField(AmazonS3Client.class,
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CREDENTIALS_PROVIDER_FIELD_NAME);
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Assert.notNull(this.credentialsProviderField,
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"Credentials Provider field not found, this class does not work with the current "
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+ "AWS SDK release");
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ReflectionUtils.makeAccessible(this.credentialsProviderField);
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}
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private static String getRegion(String endpointUrl) {
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Assert.notNull(endpointUrl, "Endpoint Url must not be null");
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try {
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URI uri = new URI(endpointUrl);
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if ("s3.amazonaws.com".equals(uri.getHost())) {
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return Regions.DEFAULT_REGION.getName();
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}
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else {
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return new AmazonS3URI(endpointUrl).getRegion();
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}
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}
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catch (URISyntaxException e) {
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throw new RuntimeException("Malformed URL received for endpoint", e);
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}
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}
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private static AmazonS3Client getAmazonS3ClientFromProxy(AmazonS3 amazonS3) {
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if (AopUtils.isAopProxy(amazonS3)) {
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Advised advised = (Advised) amazonS3;
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Object target = null;
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try {
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target = advised.getTargetSource().getTarget();
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}
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catch (Exception e) {
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return null;
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}
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return target instanceof AmazonS3Client ? (AmazonS3Client) target : null;
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}
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else {
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return amazonS3 instanceof AmazonS3Client ? (AmazonS3Client) amazonS3 : null;
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}
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}
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public AmazonS3 createClientForEndpointUrl(AmazonS3 prototype, String endpointUrl) {
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Assert.notNull(prototype, "AmazonS3 must not be null");
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Assert.notNull(endpointUrl, "Endpoint Url must not be null");
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String region = getRegion(endpointUrl);
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Assert.notNull(region,
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"Error detecting region from endpoint url:'" + endpointUrl + "'");
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if (!this.clientCache.containsKey(region)) {
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AmazonS3ClientBuilder amazonS3ClientBuilder = buildAmazonS3ForRegion(
|
|
prototype, region);
|
|
this.clientCache.putIfAbsent(region, amazonS3ClientBuilder.build());
|
|
}
|
|
|
|
return this.clientCache.get(region);
|
|
}
|
|
|
|
private AmazonS3ClientBuilder buildAmazonS3ForRegion(AmazonS3 prototype,
|
|
String region) {
|
|
AmazonS3ClientBuilder clientBuilder = AmazonS3ClientBuilder.standard();
|
|
|
|
AmazonS3Client target = getAmazonS3ClientFromProxy(prototype);
|
|
if (target != null) {
|
|
AWSCredentialsProvider awsCredentialsProvider = (AWSCredentialsProvider) ReflectionUtils
|
|
.getField(this.credentialsProviderField, target);
|
|
clientBuilder.withCredentials(awsCredentialsProvider);
|
|
}
|
|
|
|
return clientBuilder.withRegion(region);
|
|
}
|
|
}
|