ansible loop fail - Revision history

Nighthawk: /* Example Play */

2025-04-16T21:35:46Z

‎Example Play

Nighthawk at 21:34, 16 April 2025

2025-04-16T21:34:25Z

Nighthawk: /* Example Play */

2025-04-16T21:31:03Z

‎Example Play

Nighthawk at 21:29, 16 April 2025

2025-04-16T21:29:57Z

Nighthawk: Created page with " - name: example play showing common loop/list error hosts: localhost gather_facts: false tasks: - name: set var1 set_fact: var1: "foo,b..."

2025-04-16T21:24:38Z

Created page with " <source lang="yaml"> - name: example play showing common loop/list error hosts: localhost gather_facts: false tasks: - name: set var1 set_fact: var1: "foo,b..."

New page

<source lang="yaml">
- name: example play showing common loop/list error
hosts: localhost
gather_facts: false
tasks:
- name: set var1
set_fact:
var1: "foo,bar"

- name: set var2
set_fact:
var2: ["foo","bar"]

- name: output var1 type
debug:
msg: "{{ var1 | type_debug }}"

- name: output var2 type
debug:
msg: "{{ var2 | type_debug }}"

- name: try to loop var2
debug:
msg: "{{ item }}"
loop: "{{ var2 }}"

- name: try to loop var1
debug:
msg: "{{ item }}"
loop: "{{ var1 }}"

$ ansible-playbook example_list.yml

PLAY [localhost] *******************************************************************************************************

TASK [set var1] ********************************************************************************************************
ok: [localhost]

TASK [set var2] ********************************************************************************************************
ok: [localhost]

TASK [output var1 type] ************************************************************************************************
ok: [localhost] => {
"msg": "AnsibleUnicode"
}

TASK [output var2 type] ************************************************************************************************
ok: [localhost] => {
"msg": "list"
}

TASK [try to loop var2] ************************************************************************************************
ok: [localhost] => (item=foo) => {
"msg": "foo"
}
ok: [localhost] => (item=bar) => {
"msg": "bar"
}

TASK [try to loop var1] ************************************************************************************************
fatal: [localhost]: FAILED! => {"msg": "Invalid data passed to 'loop', it requires a list, got this instead: foo,bar. Hint: If you passed a list/dict of just one element, try adding wantlist=True to your lookup invocation or use q/query instead of lookup."}

PLAY RECAP *************************************************************************************************************
localhost : ok=5 changed=0 unreachable=0 failed=1 skipped=0 rescued=0 ignored=0

</source>

@@ Line 44: / Line 44: @@
 </source>
- $ '''ansible-playbook example_list.yml'''
+$ '''ansible-playbook example_list.yml'''
   <source lang="yaml">
   PLAY [localhost]

@@ Line 44: / Line 44: @@
 </source>
-$ '''ansible-playbook example_list.yml'''
+ $ '''ansible-playbook example_list.yml'''
-<source lang="yaml">
+ <source lang="yaml">
-PLAY [localhost] *******************************************************************************************************
+ PLAY [localhost]
+ *******************************************************************************************************
-TASK [set var1] ********************************************************************************************************
-ok: [localhost]
+ TASK [set var1]
+ *******************************************************************************************************
-TASK [set var2] ********************************************************************************************************
+ ok: [localhost]
 ok: [localhost]
+ TASK [set var2]
-TASK [output var1 type] ************************************************************************************************
+ ********************************************************************************************************
-ok: [localhost] => {
+ ok: [localhost]
 "msg": "AnsibleUnicode"
+ TASK [output var1 type]
+ ************************************************************************************************
-TASK [output var2 type] ************************************************************************************************
+ ok: [localhost] => {
-ok: [localhost] => {
+ "msg": "AnsibleUnicode"
 "msg": "list"
-−
+ TASK [output var2 type]
-TASK [try to loop var2] ************************************************************************************************
+ ************************************************************************************************
-ok: [localhost] => (item=foo) => {
+ ok: [localhost] => {
-"msg": "foo"
+ "msg": "list"
-−
+ }
 ok: [localhost] => (item=bar) => {
-"msg": "bar"
+ TASK [try to loop var2]
+ ************************************************************************************************
+ ok: [localhost] => (item=foo) => {
-TASK [try to loop var1] ************************************************************************************************
+ "msg": "foo"
 fatal: [localhost]: FAILED! => {"msg": "Invalid data passed to 'loop', it requires a list, got this instead: foo,bar. Hint: If you passed a list/dict of just one element, try adding wantlist=True to your lookup invocation or use q/query instead of lookup."}
+ ok: [localhost] => (item=bar) => {
-PLAY RECAP *************************************************************************************************************
+ "msg": "bar"
 localhost                  : ok=5    changed=0    unreachable=0    failed=1    skipped=0    rescued=0    ignored=0
 </source>

@@ Line 1: / Line 1: @@
 <source lang="yaml">
@@ Line 32: / Line 43: @@
       loop: "{{ var1 }}"
-$ ansible-playbook example_list.yml
+$ '''ansible-playbook example_list.yml'''
 PLAY [localhost] *******************************************************************************************************