puppet的refresh与refreshonly参数作用
- **refresh**How to refresh this command.By default, the exec is just
called again when it receives an event from another resource,
but this parameter allows you to define a different command
for refreshing.
- **refreshonly**
The command should only be run as a
refresh mechanism for when a dependent object is changed.It only
makes sense to use this option when this command depends on some
other object; it is useful for triggering an action::
# Pull down the main aliases file
file { "/etc/aliases":
source => "puppet://server/module/aliases"
}
# Rebuild the database, but only when the file changes
exec { newaliases:
path => ["/usr/bin", "/usr/sbin"],
subscribe => File["/etc/aliases"],
refreshonly => true
}
Note that only ``subscribe`` and ``notify`` can trigger actions, not
``require``,
so it only makes sense to use ``refreshonly`` with ``subscribe`` or
``notify``.Valid values are ``true``, ``false``.
refresh可能不太好理解，但refreshonly在pi命令中解释的比较清楚
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