1.一次部署，通过web添加任务 2.日志输出， 3.超时处理(报警，杀掉)
mysql
本程序不包含Web操作，可自行设计Web程序，操作数据库即可。
默认会查找 /etc/scron.conf文件
python scron.py
指定scron.conf文件
python scron.py -c scron.conf
指定部署环境
python scron.py -c scron.conf -e dev
*部署在类(nix)在机器的crontab中
*/1 * * * * python scron.py
[pro]
db_host = 192.168.0.1
db_name = sys
db_port = 3306
db_user = sys
db_pass = 123456
log_path = /data/logs
cron_table_name = sys_crontab
host_table_name = sys_crontab_host
iskill = 1
[test]
db_host = 192.168.1.1
db_name = test
db_port = 3306
db_user = test
db_pass = 123456
log_path = /data/logs
cron_table_name = sys_crontab
host_table_name = sys_crontab_host
iskill = 1
[dev]
db_host = 192.168.2.1
db_name = dev
db_port = 3306
db_user = dev
db_pass = 123456
log_path = /data/logs
cron_table_name = sys_crontab
host_table_name = sys_crontab_host
iskill = 1
cron_table_name是任务表名，host_table_name是主机表名, iskill=1表示超时后，会自动杀掉，不杀掉请设置成0
sys_crontab;
+---------+--------------+------+-----+---------+----------------+-----------------------------------------+
| Field | Type | Null | Key | Default | Extra |说明 |
+---------+--------------+------+-----+---------+----------------+-----------------------------------------+
| cronId | int(11) | NO | PRI | NULL | auto_increment |任务id |
| task | varchar(255) | NO | | NULL | |任务名 |
| active | tinyint(1) | NO | | 0 | |是否激活，保有激活才能运行 |
| mhdmd | varchar(255) | NO | | NULL | |时间条件，与crontab一样 * * * * * |
| command | varchar(255) | NO | | NULL | |脚本或命令 |
| params | varchar(255) | NO | | NULL | |脚本或命令的参数（也可一起写在command中）|
| process | varchar(255) | NO | | 1 | |允许运行的进程数量 |
| runAt | varchar(255) | NO | | 0 | |上次运行时间(Web配置也不要操作此项 |
| host | varchar(15) | NO | | NULL | |运行的主机Ip |
| logFile | varchar(255) | NO | | | |日志文件 |
| timeout | int(11) | NO | | 0 | |超时时间（单位：分钟） |
| user | varchar(255) | NO | | NULL | |运行脚本的linux用户（可留空) |
+---------+--------------+------+-----+---------+----------------+-----------------------------------------+
sys_crontab_host;
+-----------+------------------+------+-----+---------+----------------+----------------+
| Field | Type | Null | Key | Default | Extra |说明 |
+-----------+------------------+------+-----+---------+----------------+----------------+
| id | int(11) unsigned | NO | PRI | NULL | auto_increment |主键 |
| host_name | varchar(255) | NO | | NULL | |主机名 |
| host | varchar(15) | NO | | NULL | |ip |
| is_enable | tinyint(3) | NO | | 0 | |是否可用 |
+-----------+------------------+------+-----+---------+----------------+----------------+
通常都是通过调用脚本或一个url地址，进行邮件或短信处理，请自行修改
def waring(msg) :
添加报警处理
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