Nested data structures can be accessed either by indexing using the key
name or dot syntax with the key name -
https://docs.ansible.com/ansible/latest/user_guide/playbooks_variables.html#accessing-complex-variable-data
But I'm not able to access nested data structure from variables in the when
statement. Here is a minimal sample to demonstrate the issue
# cat play.yml
- hosts: localhost
vars:
parent:
child1: true
tasks:
- name: "Check if variable is defined"
fail:
msg: "mandatory variable {{ item }} not passed as extra args when
invoking playbook"
when: item not in vars
loop:
- parent
- parent.child1
- parent.child2
Here is the sample output
ansible-playbook play.yml
(livingstone-dev/monitoring)
[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 [Gathering Facts]
***************************************************************************************************************************************
ok: [localhost]
TASK [Check if variable is defined]
**************************************************************************************************************************
skipping: [localhost] => (item=parent)
failed: [localhost] (item=parent.child1) => {"ansible_loop_var": "item",
"changed": false, "item": "parent.child1", "msg": "mandatory variable
parent.child1 not passed as extra args when invoking playbook"}
failed: [localhost] (item=parent.child2) => {"ansible_loop_var": "item",
"changed": false, "item": "parent.child2", "msg": "mandatory variable
parent.child2 not passed as extra args when invoking playbook"}
PLAY RECAP
***************************************************************************************************************************************************
localhost : ok=1 changed=0 unreachable=0
failed=1 skipped=0 rescued=0 ignored=0
Any idea how I can have nested variables in ansible when statements.
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