feat:support spring cloud version auto-detection. (#201)

* feat:support spring cloud version auto-detection.

* feat:support spring cloud version auto-detection.

* feat:support spring cloud version auto-detection.

Author: SkyeBeFreeman

polaris-agent-build/bin/start.sh

@@ -1,7 +1,8 @@
 #!/bin/bash
 
 version=$(cat /app/version.txt)
-polaris_agent_dir_name="polaris-java-agent-${version}"
+polaris_agent_zip_name="polaris-java-agent-${version}"
+polaris_agent_dir_name="polaris-java-agent"
 echo "polaris agent dir name ${polaris_agent_dir_name}"
 
 java_agent_dir=${JAVA_AGENT_DIR}
@@ -12,13 +13,16 @@ mkdir -p ${java_agent_dir}
 
 # 将 /app/lib 下的文件 copy 一份出去
 
-cp -f /app/${polaris_agent_dir_name}.zip ${java_agent_dir}/
+cp -f /app/${polaris_agent_zip_name}.zip ${java_agent_dir}/
 cp -f /app/version.txt ${java_agent_dir}/
 
 
 # 这里需要将 agent 起到需要的相关信息全部注入到对应 plugin 中
 cd ${java_agent_dir}
-unzip ${polaris_agent_dir_name}.zip
+unzip ${polaris_agent_zip_name}.zip
+# 创建 polaris-java-agent 目录
+mkdir -p ${polaris_agent_dir_name}
+cp -rf ${polaris_agent_zip_name}/* ${polaris_agent_dir_name}/
 
 check_string_not_empty() {
   local string_to_check="$1"
@@ -46,9 +50,22 @@ echo "plugins.enable=${custom_plugin_id}" > ${polaris_agent_dir_name}/conf/polar
 
 # 第二步，将 plugin 所需要的配置注入到 plugin 对应的目录中去
 echo "inject with default config ${JAVA_AGENT_PLUGIN_CONF}"
-custom_plugin_properties=${JAVA_AGENT_PLUGIN_CONF}
 target_config_file=${polaris_agent_dir_name}/conf/plugin/spring-cloud/application.properties
-echo "${custom_plugin_properties}" > "${target_config_file}"
+if check_string_not_empty "${JAVA_AGENT_PLUGIN_CONF}"; then
+  echo "${JAVA_AGENT_PLUGIN_CONF}" > "${target_config_file}"
+else
+  echo "JAVA_AGENT_PLUGIN_CONF is empty"
+  echo "read polaris server ip: ${POLARIS_SERVER_IP}"
+  echo "read polaris discovery port: ${POLARIS_DISCOVER_PORT}"
+  echo "read polaris config ip: ${POLARIS_CONFIG_IP}"
+  echo "read polaris config port: ${POLARIS_CONFIG_PORT}"
+  polaris_address="grpc\\\:\/\/${POLARIS_SERVER_IP}\\\:${POLARIS_DISCOVER_PORT}"
+  polaris_config_address="grpc\\\:\/\/${POLARIS_CONFIG_IP}\\\:${POLARIS_CONFIG_PORT}"
+  echo "read polaris address: ${polaris_address}"
+  echo "read polaris config address: ${polaris_config_address}"
+  sed -i "s/spring.cloud.polaris.address=grpc\\\:\/\/127.0.0.1\\\:8091/spring.cloud.polaris.address=${polaris_address}/g" ${target_config_file}
+  sed -i "s/spring.cloud.polaris.config.address=grpc\\\:\/\/127.0.0.1\\\:8093/spring.cloud.polaris.config.address=${polaris_config_address}/g" ${target_config_file}
+fi
 
 # 第三步，将地域信息拉取并设置进配置文件
 # 腾讯云不能拿到大区，因此腾讯云上的region对应的是北极星的zone，zone对应北极星的campus
@@ -66,4 +83,6 @@ zone_code=$?
 echo "zone is ${zone}, return code is ${zone_code}"
 if [ ${zone_code} -eq 0 ] && [ -n ${zone} ]; then
   sed -i "s/spring.cloud.tencent.metadata.content.campus=\"\"/spring.cloud.tencent.metadata.content.campus=${zone}/g" ${target_config_file}
-fi
+fi
+
+cat ${target_config_file}

polaris-agent-core/polaris-agent-core-asm/src/main/java/cn/polarismesh/agent/core/asm/instrument/plugin/PluginNameFilter.java

@@ -18,13 +18,22 @@
 package cn.polarismesh.agent.core.asm.instrument.plugin;
 
 import cn.polarismesh.agent.core.common.conf.ConfigManager;
+import cn.polarismesh.agent.core.common.logger.CommonLogger;
+import cn.polarismesh.agent.core.common.logger.StdoutCommonLoggerFactory;
 import cn.polarismesh.agent.core.common.utils.StringUtils;
+
+import java.io.IOException;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
+import java.util.jar.JarFile;
+import java.util.jar.Manifest;
 
 public class PluginNameFilter implements PluginFilter {
 
+    private static final CommonLogger logger = StdoutCommonLoggerFactory.INSTANCE
+            .getLogger(PluginNameFilter.class.getCanonicalName());
+
     private final Set<String> pluginNames;
 
     public PluginNameFilter() {
@@ -38,6 +47,9 @@ public boolean accept(PluginJar pluginJar) {
 
     private static Set<String> getLoadablePluginNames() {
         String enablePlugins = ConfigManager.INSTANCE.getConfigValue(ConfigManager.KEY_PLUGIN_ENABLE);
+        logger.info("Enable plugins: " + enablePlugins);
+        enablePlugins = appendSpringCloudPluginNameIfNeeded(enablePlugins);
+        logger.info("Enable plugins after appendSpringCloudPluginNameIfNeeded: " + enablePlugins);
         if (StringUtils.isEmpty(enablePlugins)) {
             return Collections.emptySet();
         }
@@ -51,4 +63,63 @@ private static Set<String> getLoadablePluginNames() {
         }
         return values;
     }
+
+    private static String appendSpringCloudPluginNameIfNeeded(String enablePlugins) {
+        if (StringUtils.hasText(enablePlugins)) {
+            String[] names = enablePlugins.split(",");
+            for (String name : names) {
+                if (StringUtils.hasText(name) && name.contains("spring-cloud-")) {
+                    return enablePlugins;
+                }
+            }
+        }
+
+        JarFile jarFile = null;
+        try {
+            String classPath = System.getProperty("java.class.path");
+            logger.info("Class path: " + classPath);
+            String[] paths = classPath.split(":");
+            String mainJarPath = paths[0];
+            logger.info("Main jar: " + mainJarPath);
+            jarFile = new JarFile(mainJarPath);
+            Manifest manifest = (jarFile).getManifest();
+            String versionStr = manifest.getMainAttributes().getValue("Spring-Boot-Version");
+            logger.info("Spring Boot Version: " + versionStr);
+            String springCloudPluginNamePattern = "spring-cloud-%s-plugin";
+            String springCloudVersion = "";
+            if (versionStr.startsWith("2.2") || versionStr.startsWith("2.3")) {
+                springCloudVersion = "hoxton";
+            } else if (versionStr.startsWith("2.4") || versionStr.startsWith("2.5")) {
+                springCloudVersion = "2020";
+            } else if (versionStr.startsWith("2.6") || versionStr.startsWith("2.7")) {
+                springCloudVersion = "2021";
+            } else if (versionStr.startsWith("3.0") || versionStr.startsWith("3.1")) {
+                springCloudVersion = "2022";
+            } else if (versionStr.startsWith("3.2") || versionStr.startsWith("3.3")) {
+                springCloudVersion = "2023";
+            }
+            if (StringUtils.hasText(springCloudVersion)) {
+                String springCloudPluginName = String.format(springCloudPluginNamePattern, springCloudVersion);
+                logger.info("Spring Cloud Version: " + springCloudVersion);
+                if (StringUtils.hasText(enablePlugins)) {
+                    enablePlugins = enablePlugins + "," + springCloudPluginName;
+                } else {
+                    enablePlugins = springCloudPluginName;
+                }
+            } else {
+                logger.warn("No compatible Spring Cloud version found for Spring Boot version: " + versionStr);
+            }
+        } catch (IOException ioException) {
+            logger.warn("Cannot get Spring Boot Version from MANIFEST.", ioException);
+        } finally {
+            if (jarFile != null) {
+                try {
+                    jarFile.close();
+                } catch (IOException ioException) {
+                    logger.warn("Cannot close jarFile", ioException);
+                }
+            }
+        }
+        return enablePlugins;
+    }
 }