I sense that "with templating" does as expected?
% ansible --version
ansible [core 2.16.4]
config file = None
configured module search path = ['/Users/wrowe/.ansible/plugins/modules',
'/usr/share/ansible/plugins/modules']
ansible python module location =
/opt/homebrew/lib/python3.11/site-packages/ansible
ansible collection location =
/Users/wrowe/.ansible/collections:/usr/share/ansible/collections
executable location = /opt/homebrew/bin/ansible
python version = 3.11.8 (main, Feb 6 2024, 21:21:21) [Clang 15.0.0
(clang-1500.1.0.2.5)] (/opt/homebrew/opt/python@3.11/bin/python3.11)
jinja version = 3.1.3
libyaml = True
% ansible-playbook foo.yaml -i localhost,
PLAY [localhost]
*******************************************************************************************************
TASK [without templating]
**********************************************************************************************
ok: [localhost] => (item=varA) => {
"ansible_loop_var": "item",
"changed": false,
"item": "varA",
"msg": "All assertions passed"
}
ok: [localhost] => (item=varB) => {
"ansible_loop_var": "item",
"changed": false,
"item": "varB",
"msg": "All assertions passed"
}
TASK [with templating]
*************************************************************************************************
failed: [localhost] (item=varA) => {
"ansible_loop_var": "item",
"assertion": "varA is defined",
"changed": false,
"evaluated_to": false,
"item": "varA",
"msg": "Assertion failed"
}
failed: [localhost] (item=varB) => {
"ansible_loop_var": "item",
"assertion": "varB is defined",
"changed": false,
"evaluated_to": false,
"item": "varB",
"msg": "Assertion failed"
}
PLAY RECAP
*************************************************************************************************************
localhost : ok=1 changed=0 unreachable=0 failed=1
skipped=0 rescued=0 ignored=0
Walter
--
Walter Rowe, Division Chief
Infrastructure Services Division
Mobile: 202.355.4123
On Mar 13, 2024, at 4:55 PM, Todd Lewis <uto...@gmail.com> wrote:
Maybe it will facilitate understanding what's going on if we name things what
they really are:
---
- hosts: localhost
gather_facts: no
tasks:
- name: Strings in a loop are indeed defined
ignore_errors: true
assert:
that: item is defined
loop:
- RandomStringA
- RandomStringB
- ansible_forks
- name: Strings in a loop are unlikely to be variable names
ignore_errors: true
assert:
that: '{{ item }} is defined'
loop:
- UndefinedVariableNameA
- UndefinedVariableNameB
- ansible_forks
On 3/13/24 2:27 PM, rjwagn...@gmail.com<mailto:rjwagn...@gmail.com> wrote:
Hi all - I recently upgraded to Ansible core 2.15, and started hitting
"Conditional is marked as unsafe, and cannot be evaluated." As discussed at
https://docs.ansible.com/ansible/latest/porting_guides/porting_guide_9.html, I
removed templating from when and assert. All seemed fine, but then I
discovered loop variables don't appear to be interpolated in assert without
templating.
As an example, consider the following playbook that aims to confirm two
variables, varA and varB, are defined (in the sample output, they are not
defined):
#> cat b.yml
---
- hosts: localhost
gather_facts: no
tasks:
- name: without templating
assert:
that: item is defined
loop:
- varA
- varB
- name: with templating
assert:
that: '{{ item }} is defined'
loop:
- varA
- varB
#> ansible-playbook b.yml
[WARNING]: No inventory was parsed, only implicit localhost is available
[WARNING]: provided hosts list is empty, only localhost is available. Note that
the
implicit localhost does not match 'all'
PLAY [localhost]
**********************************************************************
TASK [without templating]
*************************************************************
ok: [localhost] => (item=varA) => {
"ansible_loop_var": "item",
"changed": false,
"item": "varA",
"msg": "All assertions passed"
}
ok: [localhost] => (item=varB) => {
"ansible_loop_var": "item",
"changed": false,
"item": "varB",
"msg": "All assertions passed"
}
TASK [with templating]
****************************************************************
failed: [localhost] (item=varA) => {
"ansible_loop_var": "item",
"assertion": "varA is defined",
"changed": false,
"evaluated_to": false,
"item": "varA",
"msg": "Assertion failed"
}
failed: [localhost] (item=varB) => {
"ansible_loop_var": "item",
"assertion": "varB is defined",
"changed": false,
"evaluated_to": false,
"item": "varB",
"msg": "Assertion failed"
}
Why is templating required to interpolate the loop variable but not other (non
loop) variables? Furthermore, is there a way to write this task without
templating and get the expected behavior?
Thanks
Rob
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