perf: 容器化环境支持无损更新 TencentBlueKing#2338

1. k8s环境下支持停止接收流量后延迟一段时间关闭Spring容器，用于无损更新/扩缩容；
2. 基础镜像增加网络调试相关工具。

src/backend/commons/common-consul/src/main/java/com/tencent/bk/job/common/consul/config/JobApplicationAvailabilityAutoConfiguration.java

@@ -0,0 +1,15 @@
+package com.tencent.bk.job.common.consul.config;
+
+import org.springframework.boot.availability.ApplicationAvailabilityBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration(proxyBeanMethods = false)
+public class JobApplicationAvailabilityAutoConfiguration {
+
+    @Bean
+    public ApplicationAvailabilityBean applicationAvailability() {
+        return new ApplicationAvailabilityBean();
+    }
+
+}

src/backend/commons/common-consul/src/main/resources/META-INF/spring.factories

@@ -0,0 +1,2 @@
+org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
+com.tencent.bk.job.common.consul.config.JobApplicationAvailabilityAutoConfiguration

src/backend/commons/common-k8s/src/main/java/com/tencent/bk/job/common/k8s/availability/JobApplicationAvailabilityBean.java

@@ -0,0 +1,23 @@
+package com.tencent.bk.job.common.k8s.availability;
+
+import com.tencent.bk.job.common.util.ThreadUtils;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.boot.availability.ApplicationAvailabilityBean;
+import org.springframework.boot.availability.AvailabilityChangeEvent;
+import org.springframework.boot.availability.ReadinessState;
+
+@Slf4j
+public class JobApplicationAvailabilityBean extends ApplicationAvailabilityBean {
+    @Override
+    public void onApplicationEvent(AvailabilityChangeEvent<?> event) {
+        super.onApplicationEvent(event);
+        if (ReadinessState.REFUSING_TRAFFIC == event.getState()) {
+            // SpringCloud负载均衡缓存默认为35s，等待调用方缓存刷新后再真正关闭Spring容器
+            int waitSeconds = 35;
+            while (waitSeconds > 0) {
+                ThreadUtils.sleep(1000);
+                log.info("wait for GracefulShutdown, {}s left", waitSeconds--);
+            }
+        }
+    }
+}

src/backend/commons/common-k8s/src/main/java/com/tencent/bk/job/common/k8s/config/JobApplicationAvailabilityAutoConfiguration.java

@@ -0,0 +1,16 @@
+package com.tencent.bk.job.common.k8s.config;
+
+import com.tencent.bk.job.common.k8s.availability.JobApplicationAvailabilityBean;
+import org.springframework.boot.availability.ApplicationAvailabilityBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration(proxyBeanMethods = false)
+public class JobApplicationAvailabilityAutoConfiguration {
+
+    @Bean
+    public ApplicationAvailabilityBean applicationAvailability() {
+        return new JobApplicationAvailabilityBean();
+    }
+
+}

src/backend/commons/common-k8s/src/main/resources/META-INF/spring.factories

@@ -1,2 +1,3 @@
 org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
-com.tencent.bk.job.common.k8s.config.K8sServiceInfoServiceAutoConfig
+com.tencent.bk.job.common.k8s.config.K8sServiceInfoServiceAutoConfig,\
+com.tencent.bk.job.common.k8s.config.JobApplicationAvailabilityAutoConfiguration

src/backend/job-logsvr/boot-job-logsvr/src/main/java/com/tencent/bk/job/logsvr/JobLogBootApplication.java

@@ -27,13 +27,15 @@
 import com.tencent.bk.job.common.config.FeatureToggleConfig;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.autoconfigure.availability.ApplicationAvailabilityAutoConfiguration;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.cloud.openfeign.EnableFeignClients;
 
 /**
  * @date 2019/09/20
  */
-@SpringBootApplication(scanBasePackages = "com.tencent.bk.job")
+@SpringBootApplication(scanBasePackages = "com.tencent.bk.job", exclude =
+    {ApplicationAvailabilityAutoConfiguration.class})
 @EnableFeignClients
 @EnableConfigurationProperties({FeatureToggleConfig.class})
 public class JobLogBootApplication {

support-files/kubernetes/images/backend/backend.Dockerfile

@@ -1,4 +1,4 @@
-FROM bkjob/jdk:0.0.2
+FROM bkjob/jdk:0.0.3
 
 LABEL maintainer="Tencent BlueKing Job"
 

support-files/kubernetes/images/backend/jdk.Dockerfile

@@ -1,4 +1,4 @@
-FROM bkjob/os:0.0.1
+FROM bkjob/os:0.0.2
 
 LABEL maintainer="Tencent BlueKing Job"
 
@@ -10,4 +10,4 @@ RUN mkdir -p /data && \
     rm -f TencentKona8.0.3.b2_jdk_linux-x86_64_8u262.tar.gz
 ENV JAVA_HOME=/data/TencentKona-8.0.3-262
 ENV PATH=${JAVA_HOME}/bin:$PATH
-ENV CLASSPATH=.:${JAVA_HOME}/lib
+ENV CLASSPATH=.:${JAVA_HOME}/lib

support-files/kubernetes/images/backend/os.Dockerfile

@@ -14,4 +14,6 @@ RUN ln -snf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime &&\
 RUN yum install -y vim && \
     yum install -y less && \
     yum install -y wget && \
-    yum install -y lrzsz
+    yum install -y lrzsz && \
+    yum install -y net-tools.x86_64 && \
+    yum install -y bind-utils