Hello - I'm trying to register a variable on dynamic host {{ target }} and
use it on a different host ptl01a0fap005. The dynamic host {{ target }} is
passed in as an extra-var on the command line.
I've found that I can successfully debug the variable I want on the
different host, in green below. However, if I try to set_fact the with the
same syntax it fails. The last attempt would normally work, but in this
case doesn't due to the nested variable.
Why does this syntax work for debug but not set_fact? How can I actually
use the debug output on the other host?
*Playbook:*
---
- name: Target Host
hosts: "{{ target }}"
tasks:
- name: Register foo
command: 'echo Hello World'
register: foo
- name: Different Host
hosts: ptl01a0fap005
tasks:
- debug: var=hostvars[groups['{{ target }}'][0]]['foo']['stdout']
- name: set_fact bar
set_fact:
bar=hostvars['{{ target }}'][0]]['foo']['stdout']
- debug: var=bar
- name: set_fact bar
set_fact:
bar="{{ hostvars['{{ target }}'][0]]['foo']['stdout'] }}"
- debug: var=bar
*Output:*
wmspt@dtl01lnxap01a:/staging_manh/manhattanansible$ ansible-playbook
pb-output-test.yml -e "target=Test5" -i 'inventories/staging/inventory'
PLAY [Target Host]
*************************************************************
TASK [setup]
*******************************************************************
ok: [ptl01a0fap006]
TASK [Register foo]
************************************************************
changed: [ptl01a0fap006]
PLAY [Different Host]
**********************************************************
TASK [setup]
*******************************************************************
ok: [ptl01a0fap005]
TASK [debug]
*******************************************************************
ok: [ptl01a0fap005] => {
"hostvars[groups['Test5'][0]]['foo']['stdout']": "Hello World"
}
TASK [set_fact bar]
************************************************************
ok: [ptl01a0fap005]
TASK [debug]
*******************************************************************
ok: [ptl01a0fap005] => {
"bar": "hostvars['Test5'][0]]['foo']['stdout']"
}
TASK [set_fact bar]
************************************************************
fatal: [ptl01a0fap005]: FAILED! => {"failed": true, "msg": "template error
while templating string: unexpected ']'. String: {{ hostvars['{{ target
}}'][0]]['foo']['stdout'] }}"}
to retry, use: --limit
@/staging_manh/manhattanansible/pb-output-test.retry
PLAY RECAP
*********************************************************************
ptl01a0fap005 : ok=4 changed=0 unreachable=0 failed=1
ptl01a0fap006 : ok=2 changed=1 unreachable=0 failed=0
wmspt@dtl01lnxap01a:/staging_manh/manhattanansible$
Thank you
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