add module Spring Cloud Alibaba Sidecar

spring-cloud-alibaba-sidecar/src/main/java/com/alibaba/cloud/sidecar/nacos/SidecarNacosAutoConfiguration.java

@@ -0,0 +1,48 @@
+/*
+ * 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 com.alibaba.cloud.sidecar.nacos;
+
+import com.alibaba.cloud.nacos.NacosDiscoveryProperties;
+import com.alibaba.cloud.nacos.discovery.NacosDiscoveryClientAutoConfiguration;
+import com.alibaba.cloud.sidecar.SidecarAutoConfiguration;
+import com.alibaba.cloud.sidecar.SidecarDiscoveryClient;
+import com.alibaba.cloud.sidecar.SidecarProperties;
+import org.springframework.boot.autoconfigure.AutoConfigureBefore;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * @author www.itmuch.com
+ */
+@Configuration
+@AutoConfigureBefore({NacosDiscoveryClientAutoConfiguration.class, SidecarAutoConfiguration.class})
+@ConditionalOnClass(NacosDiscoveryProperties.class)
+public class SidecarNacosAutoConfiguration {
+    @Bean
+    @ConditionalOnMissingBean
+    public SidecarNacosDiscoveryProperties sidecarNacosDiscoveryProperties(SidecarProperties sidecarProperties) {
+        return new SidecarNacosDiscoveryProperties(sidecarProperties);
+    }
+
+    @Bean
+    @ConditionalOnMissingBean
+    public SidecarDiscoveryClient sidecarDiscoveryClient(SidecarNacosDiscoveryProperties sidecarNacosDiscoveryProperties) {
+        return new SidecarNacosDiscoveryClient(sidecarNacosDiscoveryProperties);
+    }
+}

spring-cloud-alibaba-sidecar/src/main/java/com/alibaba/cloud/sidecar/nacos/SidecarNacosDiscoveryClient.java

@@ -0,0 +1,52 @@
+/*
+ * 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 com.alibaba.cloud.sidecar.nacos;
+
+import com.alibaba.cloud.sidecar.SidecarDiscoveryClient;
+import com.alibaba.nacos.api.exception.NacosException;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+
+/**
+ * @author www.itmuch.com
+ */
+@Slf4j
+@RequiredArgsConstructor(onConstructor = @__(@Autowired))
+public class SidecarNacosDiscoveryClient implements SidecarDiscoveryClient {
+    private final SidecarNacosDiscoveryProperties sidecarNacosDiscoveryProperties;
+
+    @Override
+    public void registerInstance(String applicationName, String ip, Integer port) {
+        try {
+            this.sidecarNacosDiscoveryProperties.namingServiceInstance()
+                    .registerInstance(applicationName, ip, port);
+        } catch (NacosException e) {
+            log.warn("nacos exception happens", e);
+        }
+    }
+
+    @Override
+    public void deregisterInstance(String applicationName, String ip, Integer port) {
+        try {
+            this.sidecarNacosDiscoveryProperties.namingServiceInstance()
+                    .deregisterInstance(applicationName, ip, port);
+        } catch (NacosException e) {
+            log.warn("nacos exception happens", e);
+        }
+    }
+}

spring-cloud-alibaba-sidecar/src/main/java/com/alibaba/cloud/sidecar/nacos/SidecarNacosDiscoveryProperties.java

@@ -0,0 +1,46 @@
+/*
+ * 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 com.alibaba.cloud.sidecar.nacos;
+
+import com.alibaba.cloud.nacos.NacosDiscoveryProperties;
+import com.alibaba.cloud.sidecar.SidecarProperties;
+import lombok.RequiredArgsConstructor;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import java.net.SocketException;
+
+/**
+ * @author itmuch.com
+ */
+@RequiredArgsConstructor(onConstructor = @__(@Autowired))
+public class SidecarNacosDiscoveryProperties extends NacosDiscoveryProperties {
+    private final SidecarProperties sidecarProperties;
+
+    @Override
+    public void init() throws SocketException {
+        super.init();
+
+        String ip = sidecarProperties.getIp();
+        if (StringUtils.isNotBlank(ip)) {
+            this.setIp(ip);
+        }
+
+        Integer port = sidecarProperties.getPort();
+        this.setPort(port);
+    }
+}