Merge pull request #964 from fangjian0423/master

Add sidecar health check interval configuration item.

spring-cloud-alibaba-sidecar/pom.xml

@@ -9,7 +9,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>spring-cloud-alibaba-sidecar</artifactId>
-    <name>spring-cloud-alibaba-sidecar</name>
+    <name>Spring Cloud Alibaba Sidecar</name>
     <description>An easy way to integrate polyglot apps for Spring Cloud Alibaba.</description>
 
     <dependencies>

spring-cloud-alibaba-sidecar/src/main/java/com/alibaba/cloud/sidecar/SidecarHealthChecker.java

@@ -71,7 +71,7 @@ public class SidecarHealthChecker {
 				this.sidecarDiscoveryClient.deregisterInstance(applicationName, ip, port);
 			}
 
-		}, 0, 30, TimeUnit.SECONDS);
+		}, 0, sidecarProperties.getHealthCheckInterval(), TimeUnit.MILLISECONDS);
 	}
 
 }

spring-cloud-alibaba-sidecar/src/main/java/com/alibaba/cloud/sidecar/SidecarProperties.java

@@ -51,6 +51,11 @@ public class SidecarProperties {
 	 */
 	private URI healthCheckUrl;
 
+	/**
+	 * interval of health check.
+	 */
+	private long healthCheckInterval = 30000L;
+
 	public String getIp() {
 		return ip;
 	}
@@ -75,4 +80,12 @@ public class SidecarProperties {
 		this.healthCheckUrl = healthCheckUrl;
 	}
 
+	public long getHealthCheckInterval() {
+		return healthCheckInterval;
+	}
+
+	public void setHealthCheckInterval(long healthCheckInterval) {
+		this.healthCheckInterval = healthCheckInterval;
+	}
+
 }