Puppet Advanced Guide--cron Resources detailed

Cron Resources

Cron resources are primarily used to manage the operating system's scheduled tasks (that is, crontab).

1, cron resources commonly used properties

Cron {' Resource title ':

Command

Ensure

Environment

Hour

Minute

Mouth

MonthDay

Weekday

Name

Provider

User

}

command:crontab The command to execute, because of an environment variable, it is recommended to use an absolute path when invoking a command, or to specify the environment property of a cron resource.

Ensure: Specifies whether the resource is enabled, the present value is set to Enabled, and the absent value is set to OFF, the default present.

Environment: Specify environment variables in the crontab environment.

Hour: Run crontab hours, can be set to 0~23, the unit is the hour.

minute: Run crontab minutes, can be set to 0~59, Unit is minutes.

Month: The months that run crontab can be set to 1~12, which is the month.

MonthDay: The day of January, can be set to 1-31, the unit is the day.

Weekday: The number of weeks running crontab, can be set to 0~7, the unit is days.

Name:crontab's comments.

provider: The default value is the Crontab program that comes with the system.

User: Add Crontab to a system account, which is added by default to the system account that is participating in the execution daemon.

2 cases

Use cron resource settings to call ntpdate every 5 minutes to adjust system time and edit/etc/puppet/manifests/cron.pp.

Cron {' ntpdate ':

ensure = present,

Command = '/usr/sbin/ntpdate 192.168.0.1 ',

user = ' root ',

minute = ' */5 ',

}

# Puppet Apply Cron.pp

NOTICE:/stage[main]//cron[ntpdate]/ensure:created

notice:finished catalog run in 0.05 seconds

See if you have added a good

# crontab-u Root-l

650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M02/71/8F/wKiom1XUCK_z49mcAAFG0JDosWI220.jpg "title=" Qq20150819123951.jpg "alt=" Wkiom1xuck_z49mcaafg0jdoswi220.jpg "/>

please pay attention to http://www.wzlinux.com:45 and http://www.wzlinux.com .

This article is from the "Small Drops Linux" blog, make sure to keep this source http://wangzan18.blog.51cto.com/8021085/1685879

Puppet Advanced Guide--cron Resources detailed