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Add info about loop based on jinja2 loop var (#42134)

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* Add info about loop based on jinja2 loop var

* ansible_loop

* Update test count

* Add extended loop_control that defines whether ansible_loop should be added

* Extended needs to be defaulted

* Revert "Update test count"

This reverts commit f1e93ee469825f4cdcd90fb28667d29aa088275c.

* Add docs about loop_control.extended

* Add revindex and revindex0

* Document ansible_loop in special vars

* Add changelog fragment

* Add tests, change items to allitems so that dot notation works, fix logic error with previtem
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Matt Martz 2018-12-07 13:49:50 -06:00 • committed by GitHub
commit 9007dbec2f
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63
test/integration/targets/loops/tasks/main.yml
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@ -268,3 +268,66 @@
things:
- !unsafe foo
- !unsafe bar
- name: extended loop info
assert:
that:
- ansible_loop.nextitem == 'orange'
- ansible_loop.index == 1
- ansible_loop.index0 == 0
- ansible_loop.first
- not ansible_loop.last
- ansible_loop.previtem is undefined
- ansible_loop.allitems == ['apple', 'orange', 'banana']
- ansible_loop.revindex == 3
- ansible_loop.revindex0 == 2
- ansible_loop.length == 3
loop:
- apple
- orange
- banana
loop_control:
extended: true
when: item == 'apple'
- name: extended loop info 2
assert:
that:
- ansible_loop.nextitem == 'banana'
- ansible_loop.index == 2
- ansible_loop.index0 == 1
- not ansible_loop.first
- not ansible_loop.last
- ansible_loop.previtem == 'apple'
- ansible_loop.allitems == ['apple', 'orange', 'banana']
- ansible_loop.revindex == 2
- ansible_loop.revindex0 == 1
- ansible_loop.length == 3
loop:
- apple
- orange
- banana
loop_control:
extended: true
when: item == 'orange'
- name: extended loop info 3
assert:
that:
- ansible_loop.nextitem is undefined
- ansible_loop.index == 3
- ansible_loop.index0 == 2
- not ansible_loop.first
- ansible_loop.last
- ansible_loop.previtem == 'orange'
- ansible_loop.allitems == ['apple', 'orange', 'banana']
- ansible_loop.revindex == 1
- ansible_loop.revindex0 == 0
- ansible_loop.length == 3
loop:
- apple
- orange
- banana
loop_control:
extended: true
when: item == 'banana'