From 95c373a89fc9ab04b755afa27e5579e77d82631b Mon Sep 17 00:00:00 2001
From: renfenghuan <64941682+renfenghuan@users.noreply.github.com>
Date: Fri, 18 Dec 2020 06:41:37 +0000
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E4=BB=BB=E5=8A=A1=E5=BB=B6?=
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自动探测RANDOM_DELAY_MAX变量，如果设置了，则利用sed替换除必须固定时间运行的脚本以外的所有脚本任务的cron命令，在运行node前先运行sleep
---
 docker/docker_entrypoint.sh           | 5 +++++
 docker/example/default.yml            | 3 +++
 docker/replaceNode_withRandomSleep.sh | 1 +
 3 files changed, 9 insertions(+)
 create mode 100644 docker/replaceNode_withRandomSleep.sh

diff --git a/docker/docker_entrypoint.sh b/docker/docker_entrypoint.sh
index 53c6c872..1f774043 100644
--- a/docker/docker_entrypoint.sh
+++ b/docker/docker_entrypoint.sh
@@ -128,6 +128,11 @@ if [ $(grep -c "default_task.sh" $mergedListFile) -eq '0' ]; then
     echo "52 */1 * * * sh /scripts/docker/default_task.sh |ts >> /scripts/logs/default_task.log 2>&1" >>$mergedListFile
 fi
 
+if [ $RANDOM_DELAY_MAX -ge 1 ] then
+    echo "已设置随机延迟为 $RANDOM_DELAY_MAX , 设置延迟任务中... "
+    sh replaceNode_withRandomSleep.sh $mergedListFile
+fi
+
 echo "Load the latest crontab task file..."
 echo "加载最新的定时任务文件..."
 crontab $mergedListFile
diff --git a/docker/example/default.yml b/docker/example/default.yml
index d6cdfe8d..9f9f8759 100644
--- a/docker/example/default.yml
+++ b/docker/example/default.yml
@@ -46,4 +46,7 @@ jd_scripts:
     # 例: JD_DEBUG=false
     - JD_DEBUG=
 
+    #如果设置了 RANDOM_DELAY_MAX ，则会启用随机延迟功能，延迟随机 1 - RANDOM_DELAY_MAX 秒。如果不设置此项，则不使用延迟。
+    #并不是所有的脚本都会被启用延迟，因为有一些脚本需要整点触发。延迟的目的有两个，1是降低抢占cpu资源几率，2是降低检查风险（主要是1）
+    - RANDOM_DELAY_MAX=
 
diff --git a/docker/replaceNode_withRandomSleep.sh b/docker/replaceNode_withRandomSleep.sh
new file mode 100644
index 00000000..f0c0441c
--- /dev/null
+++ b/docker/replaceNode_withRandomSleep.sh
@@ -0,0 +1 @@
+sed -i "/\(jd_bean_sign.js\|jd_blueCoin.js\|jd_club_lottery.js\)/!s/node/sleep \$((RANDOM % $RANDOM_DELAY_MAX)); node/g" $1