Previously, the Conditional class did a simple check when an
AnsibleUndefinedVariable error was raised to see if certain strings were
present. This patch tries to be smarter by evaluating the variable contained
in the error string and compared to the defined/not defined conditionals in
the conditional string.
This also modifies the UndefinedError message from HostVars slightly to
match the format returned jinja2 in general, making it easier to match the
error message in the Conditional code.
Fixes#18514
When loading an include statically, we previously were simply doing a
copy() of the TaskInclude object, which recurses up the parents creating
a new lineage of objects. This caused problems when used inside load_list_of_blocks
as the new parent Block of the new TaskInclude was not actually in the list
of blocks being operated on. In most circumstances, this did not cause a
problem as the new parent block was a proper copy, however when used in
combination with PlaybookInclude (which copies conditionals to the list of
blocks loaded) this untracked parent was not being properly updated, leading
to tasks being run improperly.
Fixes#18206
moved from the field attribute declaration and created a placeholder
which then is resolved in the field attribute class.
this is to avoid unwanted persistent of the defaults across objects which introduces
stealth bugs when multiple objects of the same kind are used in succession while
not overriding the default values.