Issue #14128 has been reported by Reinoud van Leeuwen.
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Feature #14128: optionally clean exported resources for a host during puppet run
https://projects.puppetlabs.com/issues/14128
Author: Reinoud van Leeuwen
Status: Unreviewed
Priority: Normal
Assignee:
Category:
Target version:
Affected Puppet version:
Keywords:
Branch:
Problem:
When the configuration of a host changes (classes might be removed), old
exported resources stay in the storeconfig database.
Businesscase:
Suppose we have implemented a central backupserver. backup clients export
resources, and the central backupserver collects them to generate a config file
that contains all hosts to backup. Once in a while we need to remove a client
from the backupserver. removing the "class { 'centralbackupservice::client:; }"
statement from the nodefile will not help, since the exported resources will
stay in the database and will keep being collected by the server.
Similar cases can be described with changing nagios services which behave in a
similar nature.
Solution:
a configurable switch that does a "delete all exported resources for this host"
during the puppetrun on the client. This should be encapsulated in a single
database transaction that puts all exported resources back into the storeconfig
database to make sure that a concurrent puppettun on the servermachine will not
request missing exported resources.
The configuration can be done serverside near the storeconfig configuration, to
make sure that the current behaviour will not change for installations that
depend on it.
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