Jira (PUP-11526) Evaluate deferred functions lazily by default

Issue Type:	Bug
Assignee:	Unassigned
Created:	2022/04/27 7:35 PM
Fix Versions:	PUP 8.0.0
Priority:	Normal
Reporter:	Josh Cooper

This is a follow up to PUP-9323 so that deferred functions are evaluated lazily by default.

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Change By:	Josh Cooper
Epic Link:	PA PUP - 4081 11617

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Sprint:	Phoenix 2023-01-18

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Change By:	Morgan Rhodes

This is a follow up to PUP-9323 so that deferred functions are evaluated lazily by default.

Change the default setting for the parameter added in PUP-9323, may be test changes as well.

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Josh Cooper (Jira)

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Change By:	Josh Cooper

This is a follow up to PUP-9323 so that deferred functions are evaluated lazily by default.

Change Deferred functions are executed on the default setting for agent when the parameter added agent applies a catalog. A good example is to call Vault to lookup a Sensitive password. That way the password is never stored in PUP the catalog. For example, see [https://www.puppet.com/docs/puppet/7/deferring_functions.html#deferring_functions - 9323 deferred-function-example]

Historically , may deferred functions were called before the catalog was enforced, which meant you couldn't use puppet to install dependencies needed by the deferred function. For example, to install gems, libraries, configuration needed to connect to vault.

For this ticket, we want to change the default value of the {{preprocess_deferred}} setting so that they are not preprocessed by default. Instead they will be test changes as well evaluated during catalog application . In the vault example, the deferred function would be called when applying the {{File['/etc/secrets.conf']}} resource.

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Jan 13, 2023, 6:26:03 PM1/13/23

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Change By:	Josh Cooper
Release Notes:	Enhancement
Release Notes Summary:	Deferred functions are now lazily evaluated by default. See the preprocess_deferred setting for more details.

Parker Leach (Jira)

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Apr 19, 2023, 2:50:02 PM4/19/23

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Change By:	Parker Leach
Labels:	docs_reviewed