dashboard: add Apollo flow rule publisher sample in Sentinel dashboard (#535)

sentinel-dashboard/pom.xml

@@ -16,6 +16,7 @@
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <spring.boot.version>2.0.5.RELEASE</spring.boot.version>
+        <apollo.openapi.version>1.2.0</apollo.openapi.version>
     </properties>
 
     <dependencies>
@@ -110,6 +111,14 @@
             <artifactId>mockito-core</artifactId>
             <scope>test</scope>
         </dependency>
+        <!-- https://mvnrepository.com/artifact/com.ctrip.framework.apollo/apollo-openapi -->
+        <dependency>
+            <groupId>com.ctrip.framework.apollo</groupId>
+            <artifactId>apollo-openapi</artifactId>
+            <version>${apollo.openapi.version}</version>
+            <scope>test</scope>
+        </dependency>
+
     </dependencies>
 
     <build>

sentinel-dashboard/src/test/java/com/alibaba/csp/sentinel/dashboard/rule/apollo/ApolloConfig.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * 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 com.alibaba.csp.sentinel.dashboard.rule.apollo;
+
+import java.util.List;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.FlowRuleEntity;
+import com.alibaba.csp.sentinel.datasource.Converter;
+import com.alibaba.fastjson.JSON;
+import com.alibaba.nacos.api.config.ConfigFactory;
+import com.alibaba.nacos.api.config.ConfigService;
+import com.ctrip.framework.apollo.openapi.client.ApolloOpenApiClient;
+
+/**
+ * @author hantianwei@gmail.com
+ * @since 1.5.0
+ */
+@Configuration
+public class ApolloConfig {
+
+    @Bean
+    public Converter<List<FlowRuleEntity>, String> flowRuleEntityEncoder() {
+        return JSON::toJSONString;
+    }
+
+    @Bean
+    public Converter<String, List<FlowRuleEntity>> flowRuleEntityDecoder() {
+        return s -> JSON.parseArray(s, FlowRuleEntity.class);
+    }
+
+    @Bean
+    public ApolloOpenApiClient apolloOpenApiClient(){
+        ApolloOpenApiClient client = ApolloOpenApiClient.newBuilder()
+                .withPortalUrl("http://localhost:10034")
+                .withToken("token")
+                .build();
+        return client;
+
+    }
+}

sentinel-dashboard/src/test/java/com/alibaba/csp/sentinel/dashboard/rule/apollo/ApolloConfigUtil.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * 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 com.alibaba.csp.sentinel.dashboard.rule.apollo;
+
+/**
+ * @author hantianwei@gmail.com
+ * @since 1.5.0
+ */
+public final class ApolloConfigUtil {
+
+    public static final String FLOW_DATA_ID_POSTFIX = "-flow-rules";
+
+    private ApolloConfigUtil() {
+    }
+
+    public static String getFlowDataId(String appName) {
+        return String.format("%s%s", appName, FLOW_DATA_ID_POSTFIX);
+    }
+}

sentinel-dashboard/src/test/java/com/alibaba/csp/sentinel/dashboard/rule/apollo/FlowRuleApolloProvider.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * 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 com.alibaba.csp.sentinel.dashboard.rule.apollo;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.FlowRuleEntity;
+import com.alibaba.csp.sentinel.dashboard.rule.DynamicRuleProvider;
+import com.alibaba.csp.sentinel.datasource.Converter;
+import com.alibaba.csp.sentinel.util.StringUtil;
+import com.ctrip.framework.apollo.openapi.client.ApolloOpenApiClient;
+import com.ctrip.framework.apollo.openapi.dto.OpenItemDTO;
+import com.ctrip.framework.apollo.openapi.dto.OpenNamespaceDTO;
+
+/**
+ * @author hantianwei@gmail.com
+ * @since 1.5.0
+ */
+@Component("flowRuleApolloProvider")
+public class FlowRuleApolloProvider implements DynamicRuleProvider<List<FlowRuleEntity>> {
+
+    @Autowired
+    private ApolloOpenApiClient apolloOpenApiClient;
+    @Autowired
+    private Converter<String, List<FlowRuleEntity>> converter;
+
+    @Override
+    public List<FlowRuleEntity> getRules(String appName) throws Exception {
+        String appId = "appId";
+        String flowDataId = ApolloConfigUtil.getFlowDataId(appName);
+        OpenNamespaceDTO openNamespaceDTO = apolloOpenApiClient.getNamespace(appId, "DEV", "default", "application");
+        String rules = openNamespaceDTO
+                .getItems()
+                .stream()
+                .filter(p -> p.getKey().equals(flowDataId))
+                .map(OpenItemDTO::getValue)
+                .findFirst()
+                .orElse("");
+
+        if (StringUtil.isEmpty(rules)) {
+            return new ArrayList<>();
+        }
+        return converter.convert(rules);
+
+    }
+}

sentinel-dashboard/src/test/java/com/alibaba/csp/sentinel/dashboard/rule/apollo/FlowRuleApolloPublisher.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * 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 com.alibaba.csp.sentinel.dashboard.rule.apollo;
+
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.FlowRuleEntity;
+import com.alibaba.csp.sentinel.dashboard.rule.DynamicRulePublisher;
+import com.alibaba.csp.sentinel.datasource.Converter;
+import com.alibaba.csp.sentinel.util.AssertUtil;
+import com.alibaba.nacos.api.config.ConfigService;
+import com.ctrip.framework.apollo.openapi.client.ApolloOpenApiClient;
+import com.ctrip.framework.apollo.openapi.dto.NamespaceReleaseDTO;
+import com.ctrip.framework.apollo.openapi.dto.OpenItemDTO;
+
+/**
+ * @author hantianwei@gmail.com
+ * @since 1.5.0
+ */
+@Component("flowRuleApolloPublisher")
+public class FlowRuleApolloPublisher implements DynamicRulePublisher<List<FlowRuleEntity>> {
+
+    @Autowired
+    private ApolloOpenApiClient apolloOpenApiClient;
+    @Autowired
+    private Converter<List<FlowRuleEntity>, String> converter;
+
+    @Override
+    public void publish(String app, List<FlowRuleEntity> rules) throws Exception {
+        AssertUtil.notEmpty(app, "app name cannot be empty");
+        if (rules == null) {
+            return;
+        }
+
+        /**
+         * Increase the configuration
+         */
+        String appId = "appId";
+        String flowDataId = ApolloConfigUtil.getFlowDataId(app);
+        OpenItemDTO openItemDTO = new OpenItemDTO();
+        openItemDTO.setKey(flowDataId);
+        openItemDTO.setValue(converter.convert(rules));
+        openItemDTO.setComment("Program auto-join");
+        openItemDTO.setDataChangeCreatedBy("hantianwei");
+        apolloOpenApiClient.createOrUpdateItem(appId,"DEV","default","application",openItemDTO);
+
+        /**
+         * Release configuration
+         */
+        NamespaceReleaseDTO namespaceReleaseDTO = new NamespaceReleaseDTO();
+        namespaceReleaseDTO.setEmergencyPublish(true);
+        namespaceReleaseDTO.setReleaseComment("Modify or add configurations");
+        namespaceReleaseDTO.setReleasedBy("hantianwei");
+        namespaceReleaseDTO.setReleaseTitle("Modify or add configurations");
+        apolloOpenApiClient.publishNamespace(appId,"DEV","default","application",namespaceReleaseDTO);
+
+    }
+}