puppet之cron实例
Cron资源参数
除了用户和command两个参数以外,其他的参数都是可选项.
Command：rontab要执行的命令, 环境变量按照系统本地规则进行管理,推荐使用绝对路径.
Ensure：定该资源是否启用,可设置成true或false
Environment:crontab环境里面指定环境变量,例如 PATH=/bin:/usr/bin:/usr/sbin.
Hour：行crontab的小时,可设置成0-23
Minute：行crontab的分钟,可设置成0-59
Month：置crontab运行的月份,1-12
Monthday：个月份中的日子,1-31
Name：crontab的名字,这个名字用于管理员区分不同的crontab,以及puppet管理各种资源关系.
Provider：定provider,可用的provider有
User：该crontab加到那个用户的crontab列表,默认是运行puppet的用户
Weekday：行crontab的星期数,0-7
server asa.kanbox.net
Client puppet.kanbox.com
案列：
1 Cron计划任务测试用例
在site.pp中加入如下内容
cron{ echo:
command=>"echo \"This is cron job\"",
user=>root,
#hour=>,
minute=>'*/2';
}
2用Client进程测试：
# puppetd --serverasa.kanbox.net --test
notice: Ignoring --listen on onetime run
info: Caching catalog for client1.centos
info: Applying configuration version '1329980213'
notice: /Stage//Node/Cron/ensure: created
notice: Finished catalog run in 0.50 seconds
3检查Cron任务列表
# crontab -l
# HEADER: This file was autogenerated at Thu Feb 23 14:56:53 +0800 2012 by puppet.
# HEADER: While it can still be managed manually, it is definitely not recommended.
# HEADER: Note particularly that the comments starting with 'Puppet Name' should
# HEADER: not be deleted, as doing so could cause duplicate cron jobs.
# Puppet Name: echo
*/2 * * * * echo "This is cron job"
4 配置puppet客户机同步master的cron任务。默认是半小时一次，但是有时候我们需要立即生效。而不要手动执行呢？所有我们需要配置客户端的同步时间
客户端设置：vi /etc/puppet/puppet.conf 增加
runinterval = 30 秒
listen = true
vi /etc/puppet/puppet.conf
# The Puppet log directory.
# The default value is '$vardir/log'.
logdir = /var/log/puppet
# Where Puppet PID files are kept.
# The default value is '$vardir/run'.
rundir = /var/run/puppet
# Where SSL certificates are kept.
# The default value is '$confdir/ssl'.
ssldir = $vardir/ssl
# The file in which puppetd stores a list of the> # associated with the retrieved configuratiion. Can be loaded in
# the separate ``puppet`` executable using the ``--loadclasses``
# option.
# The default value is '$confdir/classes.txt'.
classfile = $vardir/classes.txt
# Where puppetd caches the local configuration. An
# extension indicating the cache format is added automatically.
# The default value is '$confdir/localconfig'.
localconfig = $vardir/localconfig
runinterval = 30
listen = true
5修改master端/etc/sysconfig/puppet
vim /etc/sysconfig/puppet
PUPPET_SERVER=asa.kanbox.net//改为你对应的puppetmaster的主机名
新建namespaceauth.conf这个文件，vi /etc/puppet/namespaceauth.conf添加如下内容：
allow *
6还需要修改auth.conf。
在path /之前添加下内容：
path /run
method save
allow *
path /
auth any
即可！
然后重启客户端:/etc/init.d/puppet restart
7在服务器端测试一下：执行一下命令
新建namespaceauth.conf这个文件，vi /etc/puppet/namespaceauth.conf添加如下内容：
allow *
8还需要修改auth.conf（经过检查 跟默认文件一致）
在path /之前添加下内容,加粗部分：
path /run
method save
allow *
path /
auth any
即可！
9然后重启客户端:/etc/init.d/puppet restart
10 在服务器端测试一下：执行一下命令
puppetrun -p 10 –host puppet.kanbox.com
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