Add log configuration for Sentinel

spring-cloud-alibaba-sentinel/src/main/java/org/springframework/cloud/alibaba/sentinel/SentinelProperties.java

@@ -26,6 +26,7 @@ import org.springframework.cloud.alibaba.sentinel.datasource.config.DataSourcePr
 import org.springframework.core.Ordered;
 
 import com.alibaba.csp.sentinel.config.SentinelConfig;
+import com.alibaba.csp.sentinel.log.LogBase;
 import com.alibaba.csp.sentinel.transport.config.TransportConfig;
 
 /**
@@ -48,11 +49,6 @@ public class SentinelProperties {
 	 */
 	private boolean enabled = true;
 
-	/**
-	 * charset when sentinel write or search metric file {@link SentinelConfig#CHARSET}
-	 */
-	private String charset = "UTF-8";
-
 	/**
 	 * configurations about datasource, like 'nacos', 'apollo', 'file', 'zookeeper'
 	 */
@@ -91,6 +87,12 @@ public class SentinelProperties {
 	@NestedConfigurationProperty
 	private Flow flow = new Flow();
 
+	/**
+	 * sentinel log configuration {@link LogBase}
+	 */
+	@NestedConfigurationProperty
+	private Log log = new Log();
+
 	public boolean isEager() {
 		return eager;
 	}
@@ -107,14 +109,6 @@ public class SentinelProperties {
 		this.flow = flow;
 	}
 
-	public String getCharset() {
-		return charset;
-	}
-
-	public void setCharset(String charset) {
-		this.charset = charset;
-	}
-
 	public Transport getTransport() {
 		return transport;
 	}
@@ -163,6 +157,14 @@ public class SentinelProperties {
 		this.datasource = datasource;
 	}
 
+	public Log getLog() {
+		return log;
+	}
+
+	public void setLog(Log log) {
+		this.log = log;
+	}
+
 	public static class Flow {
 
 		/**
@@ -208,6 +210,12 @@ public class SentinelProperties {
 		 */
 		private String fileTotalCount;
 
+		/**
+		 * charset when sentinel write or search metric file
+		 * {@link SentinelConfig#CHARSET}
+		 */
+		private String charset = "UTF-8";
+
 		public String getFileSingleSize() {
 			return fileSingleSize;
 		}
@@ -223,6 +231,14 @@ public class SentinelProperties {
 		public void setFileTotalCount(String fileTotalCount) {
 			this.fileTotalCount = fileTotalCount;
 		}
+
+		public String getCharset() {
+			return charset;
+		}
+
+		public void setCharset(String charset) {
+			this.charset = charset;
+		}
 	}
 
 	public static class Transport {
@@ -299,4 +315,34 @@ public class SentinelProperties {
 		}
 	}
 
+	public static class Log {
+
+		/**
+		 * sentinel log base dir
+		 */
+		private String dir;
+
+		/**
+		 * distinguish the log file by pid number
+		 */
+		private boolean switchPid = false;
+
+		public String getDir() {
+			return dir;
+		}
+
+		public void setDir(String dir) {
+			this.dir = dir;
+		}
+
+		public boolean isSwitchPid() {
+			return switchPid;
+		}
+
+		public void setSwitchPid(boolean switchPid) {
+			this.switchPid = switchPid;
+		}
+
+	}
+
 }

spring-cloud-alibaba-sentinel/src/main/java/org/springframework/cloud/alibaba/sentinel/custom/SentinelAutoConfiguration.java

@@ -41,6 +41,7 @@ import com.alibaba.csp.sentinel.adapter.servlet.config.WebServletConfig;
 import com.alibaba.csp.sentinel.annotation.aspectj.SentinelResourceAspect;
 import com.alibaba.csp.sentinel.config.SentinelConfig;
 import com.alibaba.csp.sentinel.init.InitExecutor;
+import com.alibaba.csp.sentinel.log.LogBase;
 import com.alibaba.csp.sentinel.transport.config.TransportConfig;
 import com.alibaba.csp.sentinel.util.AppNameUtil;
 
@@ -71,7 +72,6 @@ public class SentinelAutoConfiguration {
 
 	@PostConstruct
 	private void init() {
-
 		if (StringUtils.isEmpty(System.getProperty(AppNameUtil.APP_NAME))
 				&& StringUtils.hasText(projectName)) {
 			System.setProperty(AppNameUtil.APP_NAME, projectName);
@@ -93,8 +93,9 @@ public class SentinelAutoConfiguration {
 					properties.getTransport().getHeartbeatIntervalMs());
 		}
 		if (StringUtils.isEmpty(System.getProperty(SentinelConfig.CHARSET))
-				&& StringUtils.hasText(properties.getCharset())) {
+				&& StringUtils.hasText(properties.getMetric().getCharset())) {
-			System.setProperty(SentinelConfig.CHARSET, properties.getCharset());
+			System.setProperty(SentinelConfig.CHARSET,
+					properties.getMetric().getCharset());
 		}
 		if (StringUtils
 				.isEmpty(System.getProperty(SentinelConfig.SINGLE_METRIC_FILE_SIZE))
@@ -113,10 +114,19 @@ public class SentinelAutoConfiguration {
 			System.setProperty(SentinelConfig.COLD_FACTOR,
 					properties.getFlow().getColdFactor());
 		}
-
 		if (StringUtils.hasText(properties.getServlet().getBlockPage())) {
 			WebServletConfig.setBlockPage(properties.getServlet().getBlockPage());
 		}
+		if (StringUtils.isEmpty(System.getProperty(LogBase.LOG_DIR))
+				&& StringUtils.hasText(properties.getLog().getDir())) {
+			System.setProperty(LogBase.LOG_DIR, properties.getLog().getDir());
+		}
+		if (StringUtils.isEmpty(System.getProperty(LogBase.LOG_NAME_USE_PID))
+				&& properties.getLog().isSwitchPid()) {
+			System.setProperty(LogBase.LOG_NAME_USE_PID,
+					String.valueOf(properties.getLog().isSwitchPid()));
+		}
+
 		urlBlockHandlerOptional.ifPresent(WebCallbackManager::setUrlBlockHandler);
 		urlCleanerOptional.ifPresent(WebCallbackManager::setUrlCleaner);
 

spring-cloud-alibaba-sentinel/src/main/resources/META-INF/additional-spring-configuration-metadata.json

@@ -12,12 +12,6 @@
       "defaultValue": false,
       "description": "earlier initialize heart-beat when the spring container starts when the transport dependency is on classpath, the configuration is effective."
     },
-    {
-      "name": "spring.cloud.sentinel.charset",
-      "type": "java.lang.String",
-      "defaultValue": "UTF-8",
-      "description": "charset when sentinel write or search metric file."
-    },
     {
       "name": "spring.cloud.sentinel.transport.port",
       "type": "java.lang.String",
@@ -40,6 +34,12 @@
       "defaultValue": "Integer.MIN_VALUE",
       "description": "sentinel filter chain order, will be set to FilterRegistrationBean."
     },
+    {
+      "name": "spring.cloud.sentinel.metric.charset",
+      "type": "java.lang.String",
+      "defaultValue": "UTF-8",
+      "description": "charset when sentinel write or search metric file."
+    },
     {
       "name": "spring.cloud.sentinel.metric.fileSingleSize",
       "type": "java.lang.String",
@@ -50,6 +50,17 @@
       "type": "java.lang.String",
       "description": "the total metric file count."
     },
+    {
+      "name": "spring.cloud.sentinel.log.dir",
+      "type": "java.lang.String",
+      "description": "log base directory."
+    },
+    {
+      "name": "spring.cloud.sentinel.log.switch-pid",
+      "type": "java.lang.Boolean",
+      "defaultValue": false,
+      "description": "log file should with pid."
+    },
     {
       "name": "spring.cloud.sentinel.servlet.blockPage",
       "type": "java.lang.String",