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39945b8570
The jinja2 query() function (or lookup with wantslist=True, which is
the same thing) should always return a list.
However, if you combine a query with errors='ignore' and take the
error path, the current code returns a None value. This is important
in a case such as
- name: Conditional include file
import_tasks: '{{ item }}'
vars:
params:
files:
- path/file1.yaml
- path/file2.yaml
loop: "{{ q('first_found', params, errors='ignore') }}"
If neither file1.yaml or file2.yaml exist, this should do nothing by
returning an empty list to the loop. Currently if you run the above
task you'll get a rather unhelpful:
Invalid data passed to 'loop', it requires a list, got this instead: .
This change ensures that when a query ignores an error, it returns a
empty list. The errors='ignore' case is tested in several variants
with first_found. The extant (but deprecated) "skip: True" for
first_found doesn't seem to be explicitly tested; a test is added here
to avoid regressions before removal in 2.12.
This fixes a regression you'll hit if you follow the suggestion in the
deprecation message included with
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| .. | ||
| cli | ||
| compat | ||
| config | ||
| errors | ||
| executor | ||
| galaxy | ||
| inventory | ||
| module_utils | ||
| modules | ||
| parsing | ||
| playbook | ||
| plugins | ||
| template | ||
| utils | ||
| vars | ||
| __init__.py | ||
| constants.py | ||
| context.py | ||
| release.py | ||