Hey, tried both in 2.2.0 and they work for me
---
#
- hosts: localhost
connection: local
gather_facts: no
vars:
instance_ids:
- "i-bae34407"
- "i-d2e4436f"
excluded_ids:
- "i-bae34407"
tasks:
- debug: var=excluded_ids
- debug: var=instance_ids
- set_fact: instance_ids1="{% for item in instance_ids %}{% if item not
in excluded_ids %}{{ item }}{% endif %}{% endfor %}"
- debug: var=instance_ids1
Result
[WARNING]: provided hosts list is empty, only localhost is available
PLAY [localhost]
***************************************************************
TASK [debug]
*******************************************************************
ok: [localhost] => {
"excluded_ids": [
"i-bae34407"
]
}
TASK [debug]
*******************************************************************
ok: [localhost] => {
"instance_ids": [
"i-bae34407",
"i-d2e4436f"
]
}
TASK [set_fact]
****************************************************************
ok: [localhost]
TASK [debug]
*******************************************************************
ok: [localhost] => {
"instance_ids1": "i-d2e4436f"
}
PLAY RECAP
*********************************************************************
localhost : ok=4 changed=0 unreachable=0 failed=0
---
#
- hosts: localhost
connection: local
gather_facts: no
vars:
instance_ids:
- "i-bae34407"
- "i-d2e4436f"
excluded_ids:
- "i-bae34407"
tasks:
- debug: var=excluded_ids
- debug: var=instance_ids
- set_fact: instance_ids1="{{ instance_ids | difference(excluded_ids)
}}"
- debug: var=instance_ids1
Result
[WARNING]: provided hosts list is empty, only localhost is available
PLAY [localhost]
***************************************************************
TASK [debug]
*******************************************************************
ok: [localhost] => {
"excluded_ids": [
"i-bae34407"
]
}
TASK [debug]
*******************************************************************
ok: [localhost] => {
"instance_ids": [
"i-bae34407",
"i-d2e4436f"
]
}
TASK [set_fact]
****************************************************************
ok: [localhost]
TASK [debug]
*******************************************************************
ok: [localhost] => {
"instance_ids1": [
"i-d2e4436f"
]
}
PLAY RECAP
*********************************************************************
localhost : ok=4 changed=0 unreachable=0 failed=0
On Wednesday, July 6, 2016 at 7:38:42 PM UTC+5:30, Cos Bug wrote:
>
> Thanks Aneesh,
>
> The first suggestion brings this:
>
> TASK: [Exclude them from instance_ids] ****************************
> ok: [127.0.0.1] => {"ansible_facts": {"instance_ids1": "set([u' ', u'd',
> u'f', u',', u'2', u'u', u'6'])"}}
>
>
> TASK: [debug var=instance_ids1] ***********************************
> ok: [127.0.0.1] => {
> "var": {
> "instance_ids1": "set([u' ', u'd', u'f', u',', u'2', u'u', u'6'])"
> }
> }
>
> the second one doesn't work either (already tried before posting this :-)
> ).
>
> Tested with Ansible version 1.9.4 & 2.2.0
>
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