refactor sentinel datasource and support commercialized

spring-cloud-alibaba-sentinel-datasource/src/main/java/org/springframework/cloud/alibaba/sentinel/datasource/NacosDataSourceWithAuthorization.java

@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 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.cloud.alibaba.sentinel.datasource;
+
+import java.util.Properties;
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.Executor;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+
+import com.alibaba.csp.sentinel.concurrent.NamedThreadFactory;
+import com.alibaba.csp.sentinel.datasource.AbstractDataSource;
+import com.alibaba.csp.sentinel.datasource.Converter;
+import com.alibaba.csp.sentinel.datasource.nacos.NacosDataSource;
+import com.alibaba.csp.sentinel.log.RecordLog;
+import com.alibaba.csp.sentinel.util.StringUtil;
+import com.alibaba.nacos.api.NacosFactory;
+import com.alibaba.nacos.api.config.ConfigService;
+import com.alibaba.nacos.api.config.listener.Listener;
+
+/**
+ * {@link NacosDataSource} now is not support ak、sk，namespace and endpoint. This class may
+ * be delete when {@link NacosDataSource} support commercialized
+ *
+ * @author <a href="mailto:fangjian0423@gmail.com">Jim</a>
+ */
+public class NacosDataSourceWithAuthorization<T> extends AbstractDataSource<String, T> {
+
+	private static final int DEFAULT_TIMEOUT = 3000;
+
+	private final ExecutorService pool = new ThreadPoolExecutor(1, 1, 0,
+			TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1),
+			new NamedThreadFactory("sentinel-nacos-auth-ds-update"),
+			new ThreadPoolExecutor.DiscardOldestPolicy());
+
+	private final Listener configListener;
+	private final Properties properties;
+	private final String dataId;
+	private final String groupId;
+
+	private ConfigService configService = null;
+
+	public NacosDataSourceWithAuthorization(final Properties properties,
+			final String groupId, final String dataId, Converter<String, T> parser) {
+		super(parser);
+		if (StringUtil.isBlank(groupId) || StringUtil.isBlank(dataId)) {
+			throw new IllegalArgumentException(String
+					.format("Bad argument: groupId=[%s], dataId=[%s]", groupId, dataId));
+		}
+		this.groupId = groupId;
+		this.dataId = dataId;
+		this.properties = properties;
+		this.configListener = new Listener() {
+			@Override
+			public Executor getExecutor() {
+				return pool;
+			}
+
+			@Override
+			public void receiveConfigInfo(final String configInfo) {
+				RecordLog.info(String.format(
+						"[NacosDataSourceWithAuthorization] New property value received for %s",
+						properties.toString()));
+				T newValue = NacosDataSourceWithAuthorization.this.parser
+						.convert(configInfo);
+				// Update the new value to the property.
+				getProperty().updateValue(newValue);
+			}
+		};
+		initNacosListener();
+		loadInitialConfig();
+	}
+
+	private void loadInitialConfig() {
+		try {
+			T newValue = loadConfig();
+			if (newValue == null) {
+				RecordLog.warn(
+						"[NacosDataSourceWithAuthorization] WARN: initial config is null, you may have to check your data source");
+			}
+			getProperty().updateValue(newValue);
+		}
+		catch (Exception ex) {
+			RecordLog.warn(
+					"[NacosDataSourceWithAuthorization] Error when loading initial config",
+					ex);
+		}
+	}
+
+	private void initNacosListener() {
+		try {
+			this.configService = NacosFactory.createConfigService(properties);
+			// Add config listener.
+			configService.addListener(dataId, groupId, configListener);
+		}
+		catch (Exception e) {
+			RecordLog.warn(
+					"[NacosDataSourceWithAuthorization] Error occurred when initializing Nacos data source",
+					e);
+			e.printStackTrace();
+		}
+	}
+
+	@Override
+	public String readSource() throws Exception {
+		if (configService == null) {
+			throw new IllegalStateException(
+					"Nacos config service has not been initialized or error occurred");
+		}
+		return configService.getConfig(dataId, groupId, DEFAULT_TIMEOUT);
+	}
+
+	@Override
+	public void close() {
+		if (configService != null) {
+			configService.removeListener(dataId, groupId, configListener);
+		}
+		pool.shutdownNow();
+	}
+}

spring-cloud-alibaba-sentinel-datasource/src/main/java/org/springframework/cloud/alibaba/sentinel/datasource/SentinelDataSourceConstants.java

@@ -21,13 +21,14 @@ package org.springframework.cloud.alibaba.sentinel.datasource;
  */
 public interface SentinelDataSourceConstants {
 
-    String PROPERTY_PREFIX = "spring.cloud.sentinel";
+	String PROPERTY_PREFIX = "spring.cloud.sentinel";
 
-    String PROPERTY_ITEM_SEPARATOR = ".";
+	String NACOS_DATASOURCE_AK = PROPERTY_PREFIX + ".nacos.config.access-key";
 
-    String PROPERTY_DATASOURCE_NAME = "datasource";
+	String NACOS_DATASOURCE_SK = PROPERTY_PREFIX + ".nacos.config.secret-key";
 
-    String PROPERTY_DATASOURCE_PREFIX = PROPERTY_PREFIX + PROPERTY_ITEM_SEPARATOR
-        + PROPERTY_DATASOURCE_NAME;
+	String NACOS_DATASOURCE_NAMESPACE = PROPERTY_PREFIX + ".nacos.config.namespace";
+
+	String NACOS_DATASOURCE_ENDPOINT = PROPERTY_PREFIX + ".nacos.config.endpoint";
 
 }

spring-cloud-alibaba-sentinel-datasource/src/main/java/org/springframework/cloud/alibaba/sentinel/datasource/config/AbstractDataSourceProperties.java

@@ -12,7 +12,7 @@ public class AbstractDataSourceProperties {
 	private String dataType = "json";
 	private String converterClass;
 	@JsonIgnore
-	private final String factoryBeanName;
+	protected String factoryBeanName;
 
 	public AbstractDataSourceProperties(String factoryBeanName) {
 		this.factoryBeanName = factoryBeanName;
@@ -38,4 +38,12 @@ public class AbstractDataSourceProperties {
 		return factoryBeanName;
 	}
 
+	public void setFactoryBeanName(String factoryBeanName) {
+		this.factoryBeanName = factoryBeanName;
+	}
+
+	public void preCheck() {
+
+	}
+
 }

spring-cloud-alibaba-sentinel-datasource/src/main/java/org/springframework/cloud/alibaba/sentinel/datasource/config/DataSourcePropertiesConfiguration.java

@@ -61,7 +61,7 @@ public class DataSourcePropertiesConfiguration {
 	}
 
 	@JsonIgnore
-	public List<String> getInvalidField() {
+	public List<String> getValidField() {
 		return Arrays.stream(this.getClass().getDeclaredFields()).map(field -> {
 			try {
 				if (!ObjectUtils.isEmpty(field.get(this))) {
@@ -76,4 +76,24 @@ public class DataSourcePropertiesConfiguration {
 		}).filter(Objects::nonNull).collect(Collectors.toList());
 	}
 
+	@JsonIgnore
+	public AbstractDataSourceProperties getValidDataSourceProperties() {
+		List<String> invalidFields = getValidField();
+		if (invalidFields.size() == 1) {
+			try {
+				this.getClass().getDeclaredField(invalidFields.get(0))
+						.setAccessible(true);
+				return (AbstractDataSourceProperties) this.getClass()
+						.getDeclaredField(invalidFields.get(0)).get(this);
+			}
+			catch (IllegalAccessException e) {
+				// won't happen
+			}
+			catch (NoSuchFieldException e) {
+				// won't happen
+			}
+		}
+		return null;
+	}
+
 }

spring-cloud-alibaba-sentinel-datasource/src/main/java/org/springframework/cloud/alibaba/sentinel/datasource/config/FileDataSourceProperties.java

@@ -1,6 +1,10 @@
 package org.springframework.cloud.alibaba.sentinel.datasource.config;
 
+import java.io.IOException;
+
 import org.springframework.cloud.alibaba.sentinel.datasource.factorybean.FileRefreshableDataSourceFactoryBean;
+import org.springframework.util.ResourceUtils;
+import org.springframework.util.StringUtils;
 
 /**
  * File Properties class Using by {@link DataSourcePropertiesConfiguration} and
@@ -50,4 +54,19 @@ public class FileDataSourceProperties extends AbstractDataSourceProperties {
 	public void setBufSize(int bufSize) {
 		this.bufSize = bufSize;
 	}
+
+	@Override
+	public void preCheck() {
+		super.preCheck();
+		try {
+			this.setFile(
+					ResourceUtils.getFile(StringUtils.trimAllWhitespace(this.getFile()))
+							.getAbsolutePath());
+		}
+		catch (IOException e) {
+			throw new RuntimeException("[Sentinel Starter] " + " handle file ["
+					+ this.getFile() + "] error: " + e.getMessage(), e);
+		}
+
+	}
 }

spring-cloud-alibaba-sentinel-datasource/src/main/java/org/springframework/cloud/alibaba/sentinel/datasource/config/NacosDataSourceProperties.java

@@ -1,6 +1,9 @@
 package org.springframework.cloud.alibaba.sentinel.datasource.config;
 
+import org.springframework.cloud.alibaba.sentinel.datasource.SentinelDataSourceConstants;
 import org.springframework.cloud.alibaba.sentinel.datasource.factorybean.NacosDataSourceFactoryBean;
+import org.springframework.cloud.alibaba.sentinel.datasource.factorybean.NacosDataSourceWithAuthorizationFactoryBean;
+import org.springframework.util.StringUtils;
 
 /**
  * Nacos Properties class Using by {@link DataSourcePropertiesConfiguration} and
@@ -14,10 +17,35 @@ public class NacosDataSourceProperties extends AbstractDataSourceProperties {
 	private String groupId;
 	private String dataId;
 
+	// commercialized usage
+
+	private String endpoint;
+	private String namespace;
+	private String accessKey;
+	private String secretKey;
+
 	public NacosDataSourceProperties() {
 		super(NacosDataSourceFactoryBean.class.getName());
 	}
 
+	@Override
+	public void preCheck() {
+		if (!StringUtils.isEmpty(System.getProperties()
+				.getProperty(SentinelDataSourceConstants.NACOS_DATASOURCE_ENDPOINT))) {
+			this.setServerAddr(null);
+			this.setFactoryBeanName(
+					NacosDataSourceWithAuthorizationFactoryBean.class.getName());
+			this.setEndpoint(System.getProperties()
+					.getProperty(SentinelDataSourceConstants.NACOS_DATASOURCE_ENDPOINT));
+			this.setNamespace(System.getProperties()
+					.getProperty(SentinelDataSourceConstants.NACOS_DATASOURCE_NAMESPACE));
+			this.setAccessKey(System.getProperties()
+					.getProperty(SentinelDataSourceConstants.NACOS_DATASOURCE_AK));
+			this.setSecretKey(System.getProperties()
+					.getProperty(SentinelDataSourceConstants.NACOS_DATASOURCE_SK));
+		}
+	}
+
 	public String getServerAddr() {
 		return serverAddr;
 	}
@@ -41,4 +69,36 @@ public class NacosDataSourceProperties extends AbstractDataSourceProperties {
 	public void setDataId(String dataId) {
 		this.dataId = dataId;
 	}
+
+	public String getEndpoint() {
+		return endpoint;
+	}
+
+	public void setEndpoint(String endpoint) {
+		this.endpoint = endpoint;
+	}
+
+	public String getNamespace() {
+		return namespace;
+	}
+
+	public void setNamespace(String namespace) {
+		this.namespace = namespace;
+	}
+
+	public String getAccessKey() {
+		return accessKey;
+	}
+
+	public void setAccessKey(String accessKey) {
+		this.accessKey = accessKey;
+	}
+
+	public String getSecretKey() {
+		return secretKey;
+	}
+
+	public void setSecretKey(String secretKey) {
+		this.secretKey = secretKey;
+	}
 }

spring-cloud-alibaba-sentinel-datasource/src/main/java/org/springframework/cloud/alibaba/sentinel/datasource/factorybean/NacosDataSourceWithAuthorizationFactoryBean.java

@@ -0,0 +1,101 @@
+package org.springframework.cloud.alibaba.sentinel.datasource.factorybean;
+
+import java.util.Properties;
+
+import org.springframework.beans.factory.FactoryBean;
+import org.springframework.cloud.alibaba.sentinel.datasource.NacosDataSourceWithAuthorization;
+
+import com.alibaba.csp.sentinel.datasource.Converter;
+import com.alibaba.csp.sentinel.datasource.nacos.NacosDataSource;
+import com.alibaba.nacos.api.PropertyKeyConst;
+
+/**
+ * A {@link FactoryBean} for creating {@link NacosDataSource} instance.
+ *
+ * @author <a href="mailto:fangjian0423@gmail.com">Jim</a>
+ * @see NacosDataSource
+ */
+public class NacosDataSourceWithAuthorizationFactoryBean
+		implements FactoryBean<NacosDataSourceWithAuthorization> {
+
+	private String endpoint;
+	private String namespace;
+	private String accessKey;
+	private String secretKey;
+
+	private String groupId;
+	private String dataId;
+	private Converter converter;
+
+	@Override
+	public NacosDataSourceWithAuthorization getObject() throws Exception {
+		Properties properties = new Properties();
+		properties.put(PropertyKeyConst.ACCESS_KEY, accessKey);
+		properties.put(PropertyKeyConst.SECRET_KEY, secretKey);
+		properties.put(PropertyKeyConst.NAMESPACE, namespace);
+		properties.put(PropertyKeyConst.ENDPOINT, endpoint);
+		return new NacosDataSourceWithAuthorization(properties, groupId, dataId,
+				converter);
+	}
+
+	@Override
+	public Class<?> getObjectType() {
+		return NacosDataSourceWithAuthorization.class;
+	}
+
+	public String getEndpoint() {
+		return endpoint;
+	}
+
+	public void setEndpoint(String endpoint) {
+		this.endpoint = endpoint;
+	}
+
+	public String getNamespace() {
+		return namespace;
+	}
+
+	public void setNamespace(String namespace) {
+		this.namespace = namespace;
+	}
+
+	public String getAccessKey() {
+		return accessKey;
+	}
+
+	public void setAccessKey(String accessKey) {
+		this.accessKey = accessKey;
+	}
+
+	public String getSecretKey() {
+		return secretKey;
+	}
+
+	public void setSecretKey(String secretKey) {
+		this.secretKey = secretKey;
+	}
+
+	public String getGroupId() {
+		return groupId;
+	}
+
+	public void setGroupId(String groupId) {
+		this.groupId = groupId;
+	}
+
+	public String getDataId() {
+		return dataId;
+	}
+
+	public void setDataId(String dataId) {
+		this.dataId = dataId;
+	}
+
+	public Converter getConverter() {
+		return converter;
+	}
+
+	public void setConverter(Converter converter) {
+		this.converter = converter;
+	}
+}

spring-cloud-alibaba-sentinel/src/main/java/org/springframework/cloud/alibaba/sentinel/custom/SentinelDataSourceHandler.java

@@ -1,6 +1,5 @@
 package org.springframework.cloud.alibaba.sentinel.custom;
 
-import java.io.IOException;
 import java.lang.reflect.Field;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -24,7 +23,6 @@ import org.springframework.cloud.alibaba.sentinel.datasource.converter.XmlConver
 import org.springframework.context.event.EventListener;
 import org.springframework.util.CollectionUtils;
 import org.springframework.util.ReflectionUtils;
-import org.springframework.util.ResourceUtils;
 import org.springframework.util.StringUtils;
 
 import com.alibaba.csp.sentinel.datasource.ReadableDataSource;
@@ -77,49 +75,19 @@ public class SentinelDataSourceHandler {
 
 		sentinelProperties.getDatasource()
 				.forEach((dataSourceName, dataSourceProperties) -> {
-					if (dataSourceProperties.getInvalidField().size() != 1) {
+					List<String> validFields = dataSourceProperties.getValidField();
+					if (validFields.size() != 1) {
 						logger.error("[Sentinel Starter] DataSource " + dataSourceName
 								+ " multi datasource active and won't loaded: "
-								+ dataSourceProperties.getInvalidField());
+								+ dataSourceProperties.getValidField());
 						return;
 					}
-					Optional.ofNullable(dataSourceProperties.getFile())
-							.ifPresent(file -> {
-								try {
-									dataSourceProperties.getFile().setFile(ResourceUtils
-											.getFile(StringUtils.trimAllWhitespace(
-													dataSourceProperties.getFile()
-															.getFile()))
-											.getAbsolutePath());
-								}
-								catch (IOException e) {
-									logger.error("[Sentinel Starter] DataSource "
-											+ dataSourceName + " handle file error: "
-											+ e.getMessage());
-									throw new RuntimeException(
-											"[Sentinel Starter] DataSource "
-													+ dataSourceName
-													+ " handle file error: "
-													+ e.getMessage(),
-											e);
-								}
-								registerBean(beanFactory, file,
-										dataSourceName + "-sentinel-file-datasource");
-							});
-					Optional.ofNullable(dataSourceProperties.getNacos())
-							.ifPresent(nacos -> {
-								registerBean(beanFactory, nacos,
-										dataSourceName + "-sentinel-nacos-datasource");
-							});
-					Optional.ofNullable(dataSourceProperties.getApollo())
-							.ifPresent(apollo -> {
-								registerBean(beanFactory, apollo,
-										dataSourceName + "-sentinel-apollo-datasource");
-							});
-					Optional.ofNullable(dataSourceProperties.getZk()).ifPresent(zk -> {
-						registerBean(beanFactory, zk,
-								dataSourceName + "-sentinel-zk-datasource");
-					});
+
+					AbstractDataSourceProperties abstractDataSourceProperties = dataSourceProperties
+							.getValidDataSourceProperties();
+					abstractDataSourceProperties.preCheck();
+					registerBean(beanFactory, abstractDataSourceProperties, dataSourceName
+							+ "-sentinel-" + validFields.get(0) + "-datasource");
 				});
 
 		dataSourceBeanNameList.forEach(beanName -> {
@@ -251,7 +219,8 @@ public class SentinelDataSourceHandler {
 				}
 				else {
 					// wired properties
-					builder.addPropertyValue(propertyName, propertyValue);
+					Optional.ofNullable(propertyValue)
+							.ifPresent(v -> builder.addPropertyValue(propertyName, v));
 				}
 			}
 		});

spring-cloud-alicloud-context/src/main/java/org/springframework/cloud/alicloud/context/Constants.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 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.cloud.alicloud.context;
+
+/**
+ * @author <a href="mailto:fangjian0423@gmail.com">Jim</a>
+ */
+public interface Constants {
+
+    interface Sentinel {
+        String PROPERTY_PREFIX = "spring.cloud.sentinel";
+        String NACOS_DATASOURCE_AK = PROPERTY_PREFIX + ".nacos.config.access-key";
+        String NACOS_DATASOURCE_SK = PROPERTY_PREFIX + ".nacos.config.secret-key";
+        String NACOS_DATASOURCE_NAMESPACE = PROPERTY_PREFIX + ".nacos.config.namespace";
+        String NACOS_DATASOURCE_ENDPOINT = PROPERTY_PREFIX + ".nacos.config.endpoint";
+    }
+
+}

spring-cloud-alicloud-context/src/main/java/org/springframework/cloud/alicloud/context/sentinel/SentinelAliCloudListener.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 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.cloud.alicloud.context.sentinel;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.boot.context.event.ApplicationEnvironmentPreparedEvent;
+import org.springframework.cloud.alicloud.context.Constants;
+import org.springframework.cloud.alicloud.context.listener.AbstractOnceApplicationListener;
+
+import com.alibaba.cloud.context.edas.EdasChangeOrderConfiguration;
+import com.alibaba.cloud.context.edas.EdasChangeOrderConfigurationFactory;
+
+/**
+ * @author <a href="mailto:fangjian0423@gmail.com">Jim</a>
+ */
+public class SentinelAliCloudListener
+		extends AbstractOnceApplicationListener<ApplicationEnvironmentPreparedEvent> {
+
+	private static final Logger logger = LoggerFactory
+			.getLogger(SentinelAliCloudListener.class);
+
+	@Override
+	protected void handleEvent(ApplicationEnvironmentPreparedEvent event) {
+		EdasChangeOrderConfiguration edasChangeOrderConfiguration = EdasChangeOrderConfigurationFactory
+				.getEdasChangeOrderConfiguration();
+		logger.info("Sentinel Nacos datasource will"
+				+ (edasChangeOrderConfiguration.isEdasManaged() ? " be " : " not be ")
+				+ "changed by edas change order.");
+		if (!edasChangeOrderConfiguration.isEdasManaged()) {
+			return;
+		}
+		System.getProperties().setProperty(Constants.Sentinel.NACOS_DATASOURCE_ENDPOINT,
+				edasChangeOrderConfiguration.getAddressServerDomain());
+		System.getProperties().setProperty(Constants.Sentinel.NACOS_DATASOURCE_NAMESPACE,
+				edasChangeOrderConfiguration.getTenantId());
+		System.getProperties().setProperty(Constants.Sentinel.NACOS_DATASOURCE_AK,
+				edasChangeOrderConfiguration.getDauthAccessKey());
+		System.getProperties().setProperty(Constants.Sentinel.NACOS_DATASOURCE_SK,
+				edasChangeOrderConfiguration.getDauthSecretKey());
+	}
+
+	@Override
+	protected String conditionalOnClass() {
+		return "com.alibaba.csp.sentinel.datasource.nacos.NacosDataSource";
+	}
+
+}

spring-cloud-alicloud-context/src/main/resources/META-INF/spring.factories

@@ -9,4 +9,5 @@ org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
   org.springframework.cloud.alicloud.context.statistics.StatisticsTaskStarter
 org.springframework.context.ApplicationListener=\
   org.springframework.cloud.alicloud.context.ans.AnsContextApplicationListener,\
-  org.springframework.cloud.alicloud.context.nacos.NacosParameterInitListener
+  org.springframework.cloud.alicloud.context.nacos.NacosParameterInitListener,\
+  org.springframework.cloud.alicloud.context.sentinel.SentinelAliCloudListener