yijia yijia2413

## tz.sh
ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime

## list_tuples_to_string.py
a = [('a', 'etwrfb', 'casdf'), ('1', 2, '35235')]
res = '\n'.join(','.join(map(str, i)) for i in a)

# 'a,etwrfb,casdf\n1,2,35235'

## createt_tb.sql
CREATE TABLE if not exists `test` (
        `id`                BIGINT(20) NOT NULL AUTO_INCREMENT,
        `result`            VARCHAR(128),
         `update_time`           DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
         KEY id (id))
         ENGINE=InnoDB DEFAULT CHARSET=UTF8 AUTO_INCREMENT=1
         PARTITION BY RANGE ( TO_DAYS(update_time) ) (
         -- PARTITION BY hash (TO_DAYS(update_time)) partitions 31;
                PARTITION p_first VALUES LESS THAN (TO_DAYS('2019-01-07 00:00:00')),
                PARTITION p20190107 VALUES LESS THAN (TO_DAYS('2019-01-08 00:00:00')),

## mysql_connection_poll.py
# COPY FROM https://stackoverflow.com/questions/32658679/how-to-create-a-mysql-connection-pool-or-any-better-way-to-initialize-the-multip

#!/usr/bin/python
# -*- coding: utf-8 -*-
import time
import mysql.connector.pooling


dbconfig = {
    "host":"127.0.0.1",

## containerd.service
[Unit]
Description=containerd container runtime
Documentation=https://containerd.io
After=network.target

[Service]
ExecStartPre=/sbin/modprobe overlay
ExecStart=/usr/bin/docker-containerd
KillMode=process
Delegate=yes

## connect.txt
mysql+pymysql://root:xxxx@localhost:3306/qin?charset=utf8

## delete-none-containers-and-images.sh
#!/bin/bash

set -ex

containers=$(docker ps -a -q --filter status=exited)

if [[ ! -z ${containers} ]]; then
    docker rm -f -v ${containers}
fi

## check.sh
#!/bin/bash

set -ex

if [[ "$1" =~ ^[0-9]+$ ]]; then
  echo "yes"
else
  echo "no"
fi

## process_inside_container_restart.sh
#!/bin/bash

set -ex

sleep_time=5
regex_name='server1.py'
cmd="python ${regex_name} &>> logs/test.log &"

bash -c "${cmd}"

## shell_err.sh
# https://zh-google-styleguide.readthedocs.io/en/latest/google-shell-styleguide/environment/
err() {
    echo "[$(date +'%Y-%m-%dT%H:%M:%S%z')]: $@" >&2
}

if ! do_something; then
    err "Unable to do_something"
    exit "${E_DID_NOTHING}"
fi