[ISSUE#10153] Add auth state into /state api and add announcement api. (#10203)

* Add ModuleState and use ModuleState replace ServerStateController.

* Add AuthModuleStateBuilder

* state接口使用ModuleState.

* Add announcement api.

* skip rat scan for announcement.conf

* default plugin open login page when auth.enabled=true.

auth/src/main/java/com/alibaba/nacos/auth/config/AuthConfigs.java

@@ -26,6 +26,8 @@ import com.alibaba.nacos.common.utils.ConvertUtils;
 import com.alibaba.nacos.common.utils.StringUtils;
 import com.alibaba.nacos.plugin.auth.constant.Constants;
 import com.alibaba.nacos.sys.env.EnvUtil;
+import com.alibaba.nacos.sys.module.ModuleState;
+import com.alibaba.nacos.sys.module.ModuleStateHolder;
 import com.alibaba.nacos.sys.utils.PropertiesUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -179,6 +181,11 @@ public class AuthConfigs extends Subscriber<ServerConfigChangeEvent> {
                     .getProperty(Constants.Auth.NACOS_CORE_AUTH_ENABLE_USER_AGENT_AUTH_WHITE, Boolean.class, false);
             nacosAuthSystemType = EnvUtil.getProperty(Constants.Auth.NACOS_CORE_AUTH_SYSTEM_TYPE, "");
             refreshPluginProperties();
+            ModuleStateHolder.getInstance().getModuleState(AuthModuleStateBuilder.AUTH_MODULE)
+                    .ifPresent(moduleState -> {
+                        ModuleState temp = new AuthModuleStateBuilder().build();
+                        moduleState.getStates().putAll(temp.getStates());
+                    });
         } catch (Exception e) {
             LOGGER.warn("Upgrade auth config from env failed, use old value", e);
         }

auth/src/main/java/com/alibaba/nacos/auth/config/AuthModuleStateBuilder.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright 1999-2023 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.nacos.auth.config;
+
+import com.alibaba.nacos.plugin.auth.spi.server.AuthPluginManager;
+import com.alibaba.nacos.plugin.auth.spi.server.AuthPluginService;
+import com.alibaba.nacos.sys.module.ModuleState;
+import com.alibaba.nacos.sys.module.ModuleStateBuilder;
+import com.alibaba.nacos.sys.utils.ApplicationUtils;
+
+import java.util.Optional;
+
+/**
+ * Module state builder for auth module.
+ *
+ * @author xiweng.yy
+ */
+public class AuthModuleStateBuilder implements ModuleStateBuilder {
+    
+    public static final String AUTH_MODULE = "auth";
+    
+    public static final String AUTH_ENABLED = "auth_enabled";
+    
+    public static final String LOGIN_PAGE_ENABLED = "login_page_enabled";
+    
+    public static final String AUTH_SYSTEM_TYPE = "auth_system_type";
+    
+    @Override
+    public ModuleState build() {
+        ModuleState result = new ModuleState(AUTH_MODULE);
+        AuthConfigs authConfigs = ApplicationUtils.getBean(AuthConfigs.class);
+        result.newState(AUTH_ENABLED, authConfigs.isAuthEnabled());
+        result.newState(LOGIN_PAGE_ENABLED, isLoginPageEnabled(authConfigs));
+        result.newState(AUTH_SYSTEM_TYPE, authConfigs.getNacosAuthSystemType());
+        return result;
+    }
+    
+    private Boolean isLoginPageEnabled(AuthConfigs authConfigs) {
+        Optional<AuthPluginService> authPluginService = AuthPluginManager.getInstance()
+                .findAuthServiceSpiImpl(authConfigs.getNacosAuthSystemType());
+        return authPluginService.map(AuthPluginService::isLoginEnabled).orElse(false);
+    }
+}

auth/src/main/resources/META-INF/services/com.alibaba.nacos.sys.module.ModuleStateBuilder

@@ -0,0 +1,17 @@
+#
+# Copyright 1999-2023 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.
+#
+
+com.alibaba.nacos.auth.config.AuthModuleStateBuilder

auth/src/test/java/com/alibaba/nacos/auth/config/AuthModuleStateBuilderTest.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright 1999-2023 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.nacos.auth.config;
+
+import com.alibaba.nacos.sys.module.ModuleState;
+import com.alibaba.nacos.sys.utils.ApplicationUtils;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+import org.springframework.context.ConfigurableApplicationContext;
+
+import static com.alibaba.nacos.auth.config.AuthModuleStateBuilder.AUTH_ENABLED;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.mockito.Mockito.when;
+
+@RunWith(MockitoJUnitRunner.class)
+public class AuthModuleStateBuilderTest {
+    
+    @Mock
+    private ConfigurableApplicationContext context;
+    
+    @Mock
+    private AuthConfigs authConfigs;
+    
+    @Before
+    public void setUp() throws Exception {
+        when(context.getBean(AuthConfigs.class)).thenReturn(authConfigs);
+        ApplicationUtils.injectContext(context);
+        when(authConfigs.getNacosAuthSystemType()).thenReturn("nacos");
+    }
+    
+    @After
+    public void tearDown() throws Exception {
+    }
+    
+    @Test
+    public void testBuild() {
+        ModuleState actual = new AuthModuleStateBuilder().build();
+        assertFalse((Boolean) actual.getStates().get(AUTH_ENABLED));
+        assertFalse((Boolean) actual.getStates().get("login_page_enabled"));
+        assertEquals("nacos", actual.getStates().get("auth_system_type"));
+    }
+}

client/src/test/java/com/alibaba/nacos/client/auth/ram/injector/NamingResourceInjectorTest.java

@@ -49,6 +49,7 @@ public class NamingResourceInjectorTest {
         ramContext.setAccessKey(PropertyKeyConst.ACCESS_KEY);
         ramContext.setSecretKey(PropertyKeyConst.SECRET_KEY);
         stsCredential = new StsCredential();
+        StsConfig.getInstance().setRamRoleName(null);
     }
     
     @After
@@ -141,6 +142,7 @@ public class NamingResourceInjectorTest {
     
     private void clearForSts() throws NoSuchFieldException, IllegalAccessException {
         StsConfig.getInstance().setSecurityCredentialsUrl(null);
+        StsConfig.getInstance().setSecurityCredentials(null);
         Field field = StsCredentialHolder.class.getDeclaredField("stsCredential");
         field.setAccessible(true);
         field.set(StsCredentialHolder.getInstance(), null);

console/src/main/java/com/alibaba/nacos/console/controller/ServerStateController.java

@@ -16,13 +16,18 @@
 
 package com.alibaba.nacos.console.controller;
 
-import com.alibaba.nacos.common.utils.VersionUtils;
+import com.alibaba.nacos.common.model.RestResult;
+import com.alibaba.nacos.common.model.RestResultUtils;
 import com.alibaba.nacos.sys.env.EnvUtil;
+import com.alibaba.nacos.sys.module.ModuleState;
+import com.alibaba.nacos.sys.module.ModuleStateHolder;
+import com.alibaba.nacos.sys.utils.DiskUtils;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.io.File;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -35,6 +40,8 @@ import java.util.Map;
 @RequestMapping("/v1/console/server")
 public class ServerStateController {
     
+    private static final String ANNOUNCEMENT_FILE = "announcement.conf";
+    
     /**
      * Get server state of current server.
      *
@@ -43,13 +50,19 @@ public class ServerStateController {
     @GetMapping("/state")
     public ResponseEntity<Map<String, String>> serverState() {
         Map<String, String> serverState = new HashMap<>(4);
-        serverState.put("standalone_mode",
-                EnvUtil.getStandaloneMode() ? EnvUtil.STANDALONE_MODE_ALONE : EnvUtil.STANDALONE_MODE_CLUSTER);
-        
-        serverState.put("function_mode", EnvUtil.getFunctionMode());
-        serverState.put("version", VersionUtils.version);
-        
+        for (ModuleState each : ModuleStateHolder.getInstance().getAllModuleStates()) {
+            each.getStates().forEach((s, o) -> serverState.put(s, null == o ? null : o.toString()));
+        }
         return ResponseEntity.ok().body(serverState);
     }
     
+    @GetMapping("/announcement")
+    public RestResult<String> getAnnouncement() {
+        File announcementFile = new File(EnvUtil.getConfPath(), ANNOUNCEMENT_FILE);
+        String announcement = null;
+        if (announcementFile.exists() && announcementFile.isFile()) {
+            announcement = DiskUtils.readFile(announcementFile);
+        }
+        return RestResultUtils.success(announcement);
+    }
 }

console/src/test/java/com/alibaba/nacos/console/controller/ServerStateControllerTest.java

@@ -16,12 +16,18 @@
 
 package com.alibaba.nacos.console.controller;
 
+import com.alibaba.nacos.common.utils.JacksonUtils;
+import com.alibaba.nacos.common.utils.VersionUtils;
+import com.alibaba.nacos.sys.env.Constants;
+import com.alibaba.nacos.sys.env.EnvUtil;
+import com.fasterxml.jackson.databind.node.ObjectNode;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.InjectMocks;
 import org.mockito.junit.MockitoJUnitRunner;
+import org.springframework.mock.web.MockHttpServletResponse;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.request.MockHttpServletRequestBuilder;
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
@@ -29,6 +35,7 @@ import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 
 /**
  * ServerStateController unit test.
+ *
  * @ClassName: ServerStateControllerTest
  * @Author: ChenHao26
  * @Date: 2022/8/13 10:54
@@ -52,6 +59,12 @@ public class ServerStateControllerTest {
     @Test
     public void serverState() throws Exception {
         MockHttpServletRequestBuilder builder = MockMvcRequestBuilders.get(CONSOLE_URL);
-        Assert.assertEquals(200, mockmvc.perform(builder).andReturn().getResponse().getStatus());
+        MockHttpServletResponse response = mockmvc.perform(builder).andReturn().getResponse();
+        Assert.assertEquals(200, response.getStatus());
+        ObjectNode responseContent = JacksonUtils.toObj(response.getContentAsByteArray(), ObjectNode.class);
+        Assert.assertEquals(EnvUtil.STANDALONE_MODE_CLUSTER,
+                responseContent.get(Constants.STANDALONE_MODE_STATE).asText());
+        Assert.assertEquals("null", responseContent.get(Constants.FUNCTION_MODE_STATE).asText());
+        Assert.assertEquals(VersionUtils.version, responseContent.get(Constants.NACOS_VERSION).asText());
     }
 }

distribution/conf/announcement.conf

@@ -0,0 +1 @@
+当前集群没有开启鉴权，请参考[文档](https://nacos.io/zh-cn/docs/v2/guide/user/auth.html)开启鉴权~

plugin-default-impl/src/main/java/com/alibaba/nacos/plugin/auth/impl/NacosAuthPluginService.java

@@ -17,6 +17,7 @@
 package com.alibaba.nacos.plugin.auth.impl;
 
 import com.alibaba.nacos.api.common.Constants;
+import com.alibaba.nacos.auth.config.AuthConfigs;
 import com.alibaba.nacos.common.utils.StringUtils;
 import com.alibaba.nacos.plugin.auth.api.IdentityContext;
 import com.alibaba.nacos.plugin.auth.api.Permission;
@@ -107,6 +108,11 @@ public class NacosAuthPluginService implements AuthPluginService {
         return AuthConstants.AUTH_PLUGIN_TYPE;
     }
     
+    @Override
+    public boolean isLoginEnabled() {
+        return ApplicationUtils.getBean(AuthConfigs.class).isAuthEnabled();
+    }
+    
     protected void checkNacosAuthManager() {
         if (null == authenticationManager) {
             authenticationManager = ApplicationUtils.getBean(DefaultAuthenticationManager.class);

plugin/auth/src/main/java/com/alibaba/nacos/plugin/auth/spi/server/AuthPluginService.java

@@ -75,4 +75,13 @@ public interface AuthPluginService {
      */
     String getAuthServiceName();
     
+    /**
+     * Is the plugin enable login.
+     *
+     * @return {@code true} if plugin need login, otherwise {@code false}
+     * @since 2.2.2
+     */
+    default boolean isLoginEnabled() {
+        return false;
+    }
 }

pom.xml

@@ -354,6 +354,7 @@
                         <exclude>**/any.proto</exclude>
                         <exclude>src/main/java/com/alibaba/nacos/common/packagescan/classreading/**</exclude>
                         <exclude>.flattened-pom.xml</exclude>
+                        <exclude>**/announcement.conf</exclude>
                     </excludes>
                 </configuration>
                 <executions>

sys/src/main/java/com/alibaba/nacos/sys/env/Constants.java

@@ -24,6 +24,8 @@ package com.alibaba.nacos.sys.env;
  */
 public interface Constants {
     
+    String SYS_MODULE = "sys";
+    
     /**
      * Spring Profile : "standalone".
      */
@@ -34,11 +36,15 @@ public interface Constants {
      */
     String STANDALONE_MODE_PROPERTY_NAME = "nacos.standalone";
     
+    String STANDALONE_MODE_STATE = "standalone_mode";
+    
     /**
      * The System property name of  Function mode.
      */
     String FUNCTION_MODE_PROPERTY_NAME = "nacos.functionMode";
     
+    String FUNCTION_MODE_STATE = "function_mode";
+    
     /**
      * The System property name of prefer hostname over ip.
      */
@@ -49,6 +55,8 @@ public interface Constants {
      */
     String ROOT_WEB_CONTEXT_PATH = "/";
     
+    String NACOS_VERSION = "version";
+    
     String NACOS_SERVER_IP = "nacos.server.ip";
     
     String USE_ONLY_SITE_INTERFACES = "nacos.inetutils.use-only-site-local-interfaces";

sys/src/main/java/com/alibaba/nacos/sys/env/EnvModuleStateBuilder.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright 1999-2023 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.nacos.sys.env;
+
+import com.alibaba.nacos.common.utils.VersionUtils;
+import com.alibaba.nacos.sys.module.ModuleState;
+import com.alibaba.nacos.sys.module.ModuleStateBuilder;
+
+/**
+ * Module state builder for env module.
+ *
+ * @author xiweng.yy
+ */
+public class EnvModuleStateBuilder implements ModuleStateBuilder {
+    
+    @Override
+    public ModuleState build() {
+        ModuleState result = new ModuleState(Constants.SYS_MODULE);
+        result.newState(Constants.STANDALONE_MODE_STATE,
+                EnvUtil.getStandaloneMode() ? EnvUtil.STANDALONE_MODE_ALONE : EnvUtil.STANDALONE_MODE_CLUSTER);
+        result.newState(Constants.FUNCTION_MODE_STATE, EnvUtil.getFunctionMode());
+        result.newState(Constants.NACOS_VERSION, VersionUtils.version);
+        return result;
+    }
+}

sys/src/main/java/com/alibaba/nacos/sys/module/ModuleState.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright 1999-2021 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.nacos.sys.module;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Module state.
+ *
+ * @author xiweng.yy
+ */
+public class ModuleState {
+    
+    private final String moduleName;
+    
+    private final Map<String, Object> states;
+    
+    public ModuleState(String moduleName) {
+        this.moduleName = moduleName;
+        this.states = new HashMap<>();
+    }
+    
+    public String getModuleName() {
+        return moduleName;
+    }
+    
+    public ModuleState newState(String stateName, Object stateValue) {
+        this.states.put(stateName, stateValue);
+        return this;
+    }
+    
+    public Map<String, Object> getStates() {
+        return states;
+    }
+    
+    @SuppressWarnings("all")
+    public <T> T getState(String stateName, T defaultValue) {
+        return (T) states.getOrDefault(stateName, defaultValue);
+    }
+}

sys/src/main/java/com/alibaba/nacos/sys/module/ModuleStateBuilder.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 1999-2023 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.nacos.sys.module;
+
+/**
+ * Module state builder.
+ *
+ * @author xiweng.yy
+ */
+public interface ModuleStateBuilder {
+    
+    /**
+     * Build module state.
+     *
+     * @return ModuleState
+     */
+    ModuleState build();
+}

sys/src/main/java/com/alibaba/nacos/sys/module/ModuleStateHolder.java

@@ -0,0 +1,105 @@
+/*
+ * Copyright 1999-2021 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.nacos.sys.module;
+
+import com.alibaba.nacos.common.spi.NacosServiceLoader;
+import com.alibaba.nacos.common.utils.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+
+/**
+ * Module State Holder.
+ *
+ * @author xiweng.yy
+ */
+public class ModuleStateHolder {
+    
+    private static final Logger LOGGER = LoggerFactory.getLogger(ModuleStateHolder.class);
+    
+    private static final ModuleStateHolder INSTANCE = new ModuleStateHolder();
+    
+    private final Map<String, ModuleState> moduleStates;
+    
+    private ModuleStateHolder() {
+        this.moduleStates = new HashMap<>();
+        for (ModuleStateBuilder each : NacosServiceLoader.load(ModuleStateBuilder.class)) {
+            try {
+                ModuleState moduleState = each.build();
+                moduleStates.put(moduleState.getModuleName(), moduleState);
+            } catch (Exception e) {
+                LOGGER.warn("Build ModuleState failed in builder:{}", each.getClass().getCanonicalName(), e);
+            }
+        }
+    }
+    
+    public static ModuleStateHolder getInstance() {
+        return INSTANCE;
+    }
+    
+    public Optional<ModuleState> getModuleState(String moduleName) {
+        return Optional.ofNullable(moduleStates.get(moduleName));
+    }
+    
+    public Set<ModuleState> getAllModuleStates() {
+        return new HashSet<>(moduleStates.values());
+    }
+    
+    public String getStateValueByName(String moduleName, String stateName) {
+        return getStateValueByName(moduleName, stateName, StringUtils.EMPTY);
+    }
+    
+    /**
+     * Get State Value by module name and state name.
+     *
+     * @param moduleName   module name of state
+     * @param stateName    state name
+     * @param defaultValue default value when can't find module or state
+     * @return state value
+     */
+    public <T> T getStateValueByName(String moduleName, String stateName, T defaultValue) {
+        Optional<ModuleState> moduleState = getModuleState(moduleName);
+        if (!moduleState.isPresent()) {
+            return defaultValue;
+        }
+        return moduleState.get().getState(stateName, defaultValue);
+    }
+    
+    /**
+     * Search State Value by state name one by one.
+     *
+     * @param stateName    state name
+     * @param defaultValue default value when can't find module or state
+     * @return state value
+     */
+    @SuppressWarnings("all")
+    public <T> T searchStateValue(String stateName, T defaultValue) {
+        T result = null;
+        for (ModuleState each : getAllModuleStates()) {
+            if (each.getStates().containsKey(stateName)) {
+                result = (T) each.getStates().get(stateName);
+                break;
+            }
+        }
+        return null == result ? defaultValue : result;
+    }
+}

sys/src/main/resources/META-INF/services/com.alibaba.nacos.sys.module.ModuleStateBuilder

@@ -0,0 +1,17 @@
+#
+# Copyright 1999-2023 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.
+#
+
+com.alibaba.nacos.sys.env.EnvModuleStateBuilder

sys/src/test/java/com/alibaba/nacos/sys/env/EnvModuleStateBuilderTest.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright 1999-2023 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.nacos.sys.env;
+
+import com.alibaba.nacos.common.utils.VersionUtils;
+import com.alibaba.nacos.sys.module.ModuleState;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+public class EnvModuleStateBuilderTest {
+    
+    @BeforeClass
+    public static void setUp() throws Exception {
+        System.setProperty(Constants.STANDALONE_MODE_PROPERTY_NAME, "true");
+        EnvUtil.setIsStandalone(null);
+    }
+    
+    @Test
+    public void testBuild() {
+        ModuleState actual = new EnvModuleStateBuilder().build();
+        assertEquals(Constants.SYS_MODULE, actual.getModuleName());
+        assertEquals(EnvUtil.STANDALONE_MODE_ALONE, actual.getStates().get(Constants.STANDALONE_MODE_STATE));
+        assertNull(EnvUtil.FUNCTION_MODE_NAMING, actual.getStates().get(Constants.FUNCTION_MODE_STATE));
+        assertEquals(VersionUtils.version, actual.getStates().get(Constants.NACOS_VERSION));
+    }
+}

sys/src/test/java/com/alibaba/nacos/sys/module/ModuleStateHolderTest.java

@@ -0,0 +1,77 @@
+/*
+ * Copyright 1999-2021 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.nacos.sys.module;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.springframework.test.util.ReflectionTestUtils;
+
+import java.util.Map;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+public class ModuleStateHolderTest {
+    
+    private Map<String, ModuleState> moduleStateMap;
+    
+    @Before
+    public void setUp() throws Exception {
+        moduleStateMap = (Map<String, ModuleState>) ReflectionTestUtils
+                .getField(ModuleStateHolder.getInstance(), ModuleStateHolder.class, "moduleStates");
+    }
+    
+    @After
+    public void tearDown() throws Exception {
+    }
+    
+    @Test
+    public void testGetModuleState() {
+        assertNotNull(ModuleStateHolder.getInstance().getModuleState("mock"));
+    }
+    
+    @Test
+    public void testGetAllModuleStates() {
+        assertEquals(2, ModuleStateHolder.getInstance().getAllModuleStates().size());
+    }
+    
+    @Test
+    public void testGetStateValueByNameFound() {
+        assertEquals("test", ModuleStateHolder.getInstance().getStateValueByName("mock", "test"));
+        assertEquals("test", ModuleStateHolder.getInstance().getStateValueByName("mock", "test", "aaa"));
+    }
+    
+    @Test
+    public void testGetStateValueByNameWithoutModuleState() {
+        assertEquals("", ModuleStateHolder.getInstance().getStateValueByName("non-exist", "test"));
+        assertEquals("aaa", ModuleStateHolder.getInstance().getStateValueByName("non-exist", "test", "aaa"));
+    }
+    
+    @Test
+    public void testGetStateValueByNameWithoutStateName() {
+        assertEquals("", ModuleStateHolder.getInstance().getStateValueByName("mock", "non-exist"));
+        assertEquals("aaa", ModuleStateHolder.getInstance().getStateValueByName("mock", "non-exist", "aaa"));
+    }
+    
+    @Test
+    public void testSearchStateValue() {
+        assertEquals("test", ModuleStateHolder.getInstance().searchStateValue("test", "aaa"));
+        assertEquals("aaa", ModuleStateHolder.getInstance().searchStateValue("non-exist", "aaa"));
+    }
+    
+}

sys/src/test/java/com/alibaba/nacos/sys/module/mock/ExceptionMockModuleStateBuilder.java

@@ -0,0 +1,28 @@
+/*
+ * Copyright 1999-2023 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.nacos.sys.module.mock;
+
+import com.alibaba.nacos.sys.module.ModuleState;
+import com.alibaba.nacos.sys.module.ModuleStateBuilder;
+
+public class ExceptionMockModuleStateBuilder implements ModuleStateBuilder {
+    
+    @Override
+    public ModuleState build() {
+        throw new RuntimeException("test");
+    }
+}

sys/src/test/java/com/alibaba/nacos/sys/module/mock/MockModuleStateBuilder.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright 1999-2023 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.nacos.sys.module.mock;
+
+import com.alibaba.nacos.sys.module.ModuleState;
+import com.alibaba.nacos.sys.module.ModuleStateBuilder;
+
+public class MockModuleStateBuilder implements ModuleStateBuilder {
+    
+    @Override
+    public ModuleState build() {
+        ModuleState result = new ModuleState("mock");
+        result.newState("test", "test").newState("mock", true);
+        return result;
+    }
+}

sys/src/test/resources/META-INF/services/com.alibaba.nacos.sys.module.ModuleStateBuilder

@@ -0,0 +1,18 @@
+#
+# Copyright 1999-2023 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.
+#
+
+com.alibaba.nacos.sys.module.mock.MockModuleStateBuilder
+com.alibaba.nacos.sys.module.mock.ExceptionMockModuleStateBuilder