I believe the*loop:* values are evaluated first, before any iterations
are performed, in which case any undefined variables in any of
the*loop:* expressions will throw the error you see.
This is probably a desirable behavior in general even though in this
case you got caught by surprise.
Here's a work-around that uses a sentinel value — and blatantly abuses
"*omit*" for which I'm sure to be rightly scorned. :)
*---****- name: "Loop Iteration List"****hosts: localhost****vars:****nfs_prod_target_id: "Khan"****nfs_prod_source_id:
"Siddque"****tasks:****- name: "Connect to Isilon Device"****ansible.builtin.debug:****msg: "{{ item }}"****when: item !=
omit****loop:****- "{{ nfs_prod_source_id | d(omit) }}"****- "{{ nfs_prod_target_id | d(omit) }}"****- "{{ nfs_dev_source_id | d(omit)
}}"****- "{{ nfs_dev_target_id | d(omit) }}"*
Cheers,
--
Todd
On 6/23/23 3:09 PM, javed khan Siddque wrote:
The below task is not working as expected.
i am expecting it will print message for at least 2 times which is
defined and skip rest 2.
TASK [Connect to Isilon Device]
****************************************************************************************************
skipping: [localhost]
---
- name: "Loop Iteration List"
hosts: localhost
vars:
nfs_prod_target_id: "Khan"
nfs_prod_source_id: "Siddque"
tasks:
- name: "Connect to Isilon Device"
ansible.builtin.debug:
msg: "{{item}}"
when: item isdefined
loop:
- "{{nfs_prod_source_id}}"
- "{{nfs_prod_target_id}}"
- "{{nfs_dev_source_id}}"
- "{{nfs_dev_target_id}}"
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