feat:support spring cloud version auto-detection. (#196)

Author: SkyeBeFreeman

polaris-agent-build/bin/build.sh

@@ -39,7 +39,7 @@ cp "polaris-agent-core/polaris-agent-core-optional-java17/target/polaris-agent-c
 cp "polaris-agent-core/polaris-agent-core-extension/target/polaris-agent-core-extension-${version}.jar" "${folder_name}/boot/"
 
 pushd "polaris-agent-plugins"
-plugin_folders=$(find . -maxdepth 2 | grep -E ".+-plugin$")
+plugin_folders=$(find . -maxdepth 2 | grep -E ".+-plugin.+-")
 for plugin_folder in ${plugin_folders}; do
   file_name=${plugin_folder##*/}
   cp "${plugin_folder}/target/${file_name}-${version}.jar" "../${folder_name}/plugins/"

polaris-agent-build/bin/start.sh

@@ -23,21 +23,20 @@ unzip ${polaris_agent_dir_name}.zip
 echo "inject with framework ${JAVA_AGENT_FRAMEWORK_NAME} and version ${JAVA_AGENT_FRAMEWORK_VERSION}"
 
 # 第一步，需要确定 agent-plugin 启用哪个
-custom_plugin_id="${JAVA_AGENT_FRAMEWORK_NAME}-${JAVA_AGENT_FRAMEWORK_VERSION}-plugin"
+custom_plugin_id=""
+if [ -n ${JAVA_AGENT_FRAMEWORK_NAME} ] && [ -n ${JAVA_AGENT_FRAMEWORK_VERSION} ]; then
+  custom_plugin_id="${JAVA_AGENT_FRAMEWORK_NAME}-${JAVA_AGENT_FRAMEWORK_VERSION}-plugin"
+fi
 echo "plugins.enable=${custom_plugin_id}" > ${polaris_agent_dir_name}/conf/polaris-agent.config
 
 # 第二步，将 plugin 所需要的配置注入到 plugin 对应的目录中去
-java_agent_config_dir="${JAVA_AGENT_FRAMEWORK_NAME}-${JAVA_AGENT_FRAMEWORK_VERSION}"
-echo "inject with config dir ${java_agent_config_dir}"
 echo "inject with default config ${JAVA_AGENT_PLUGIN_CONF}"
-
 custom_plugin_properties=${JAVA_AGENT_PLUGIN_CONF}
-echo "${custom_plugin_properties}" > ${polaris_agent_dir_name}/conf/plugin/${java_agent_config_dir}/application.properties
+target_config_file=${polaris_agent_dir_name}/conf/plugin/spring-cloud/application.properties
+echo "${custom_plugin_properties}" > "${target_config_file}"
 
 # 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
-target_config_file=${polaris_agent_dir_name}/conf/plugin/${java_agent_config_dir}/application.properties
-
 echo "start to fetch region, target config file ${target_config_file}"
 region="$(curl -s --connect-timeout 10 -m 10 http://metadata.tencentyun.com/latest/meta-data/placement/region)"
 region_code=$?

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

@@ -18,13 +18,21 @@
 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.ReflectionUtils;
 import cn.polarismesh.agent.core.common.utils.StringUtils;
+
+import java.lang.reflect.Method;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
 
 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 +46,7 @@ public boolean accept(PluginJar pluginJar) {
 
     private static Set<String> getLoadablePluginNames() {
         String enablePlugins = ConfigManager.INSTANCE.getConfigValue(ConfigManager.KEY_PLUGIN_ENABLE);
+        enablePlugins = appendSpringCloudPluginNameIfNeeded(enablePlugins);
         if (StringUtils.isEmpty(enablePlugins)) {
             return Collections.emptySet();
         }
@@ -51,4 +60,52 @@ 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;
+                }
+            }
+        }
+
+        // check if spring-cloud and spring-boot exist.
+        if (ReflectionUtils.checkClassExists("org.springframework.cloud.configuration.SpringBootVersionVerifier")
+                && ReflectionUtils.checkClassExists("org.springframework.boot.SpringBootVersion")) {
+            Method method = ReflectionUtils.findMethod(ReflectionUtils.findClass("org.springframework.boot.SpringBootVersion"), "getVersion");
+            Object version = ReflectionUtils.invokeMethod(method, null);
+
+            if (version instanceof String) {
+                String versionStr = (String) version;
+                logger.info("Spring Boot Version: " + version);
+                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("Cannot get Spring Boot Version from MANIFEST.");
+            }
+        }
+        return enablePlugins;
+    }
 }