add stack info tools

bigtop-manager-server/src/main/java/org/apache/bigtop/manager/server/tools/functions/StackInfoFunctions.java

@@ -0,0 +1,95 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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
+ *
+ *    https://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.apache.bigtop.manager.server.tools.functions;
+
+import org.apache.bigtop.manager.common.utils.JsonUtils;
+import org.apache.bigtop.manager.server.model.vo.ServiceVO;
+import org.apache.bigtop.manager.server.model.vo.StackVO;
+import org.apache.bigtop.manager.server.service.StackService;
+
+import org.springframework.stereotype.Component;
+
+import dev.langchain4j.agent.tool.JsonSchemaProperty;
+import dev.langchain4j.agent.tool.ToolSpecification;
+import dev.langchain4j.service.tool.ToolExecutor;
+import lombok.extern.slf4j.Slf4j;
+
+import jakarta.annotation.Resource;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+@Component
+@Slf4j
+public class StackInfoFunctions {
+    @Resource
+    private StackService stackService;
+
+    public Map<ToolSpecification, ToolExecutor> list() {
+        ToolSpecification toolSpecification = ToolSpecification.builder()
+                .name("list")
+                .description("Retrieve the list of services in each stack")
+                .build();
+        ToolExecutor toolExecutor = (toolExecutionRequest, memoryId) -> {
+            Map<String, List<String>> stackInfo = new HashMap<>();
+            for (StackVO stackVO : stackService.list()) {
+                List<String> services = new ArrayList<>();
+                for (ServiceVO serviceVO : stackVO.getServices()) {
+                    services.add(serviceVO.getName());
+                }
+                stackInfo.put(stackVO.getStackName(), services);
+            }
+            return stackInfo.toString();
+        };
+        return Map.of(toolSpecification, toolExecutor);
+    }
+
+    public Map<ToolSpecification, ToolExecutor> getServiceByName() {
+        ToolSpecification toolSpecification = ToolSpecification.builder()
+                .name("getByName")
+                .description("Get service information and configs based on service name")
+                .addParameter(
+                        "serviceName",
+                        JsonSchemaProperty.STRING,
+                        JsonSchemaProperty.description("Lowercase service name"))
+                .build();
+        ToolExecutor toolExecutor = (toolExecutionRequest, memoryId) -> {
+            Map<String, Object> arguments = JsonUtils.readFromString(toolExecutionRequest.arguments());
+            String serviceName = arguments.get("serviceName").toString();
+            for (StackVO stackVO : stackService.list()) {
+                for (ServiceVO serviceVO : stackVO.getServices()) {
+                    if (serviceVO.getName().equals(serviceName)) {
+                        return serviceVO.toString();
+                    }
+                }
+            }
+            return "Service not found";
+        };
+
+        return Map.of(toolSpecification, toolExecutor);
+    }
+
+    public Map<ToolSpecification, ToolExecutor> getAllFunctions() {
+        Map<ToolSpecification, ToolExecutor> functions = new HashMap<>();
+        functions.putAll(list());
+        functions.putAll(getServiceByName());
+        return functions;
+    }
+}

bigtop-manager-server/src/main/java/org/apache/bigtop/manager/server/tools/provider/InfoToolsProvider.java

@@ -20,6 +20,7 @@
 
 import org.apache.bigtop.manager.server.tools.functions.ClusterInfoFunctions;
 import org.apache.bigtop.manager.server.tools.functions.HostInfoFunctions;
+import org.apache.bigtop.manager.server.tools.functions.StackInfoFunctions;
 
 import org.springframework.stereotype.Component;
 
@@ -39,11 +40,15 @@ public class InfoToolsProvider implements ToolProvider {
     @Resource
     private HostInfoFunctions hostInfoFunctions;
 
+    @Resource
+    private StackInfoFunctions stackInfoFunctions;
+
     @Override
     public ToolProviderResult provideTools(ToolProviderRequest toolProviderRequest) {
         return ToolProviderResult.builder()
                 .addAll(clusterInfoFunctions.getAllFunctions())
                 .addAll(hostInfoFunctions.getAllFunctions())
+                .addAll(stackInfoFunctions.getAllFunctions())
                 .build();
     }
 }