[ansible-project] ignore -has no attribute

[Jegan A]

Hello Team,

   I am parsing register value using debug and using when condition to 
print particular matching value. While doing that am getting below error. 
some of the register value doesn't have "volume_attachments" variable due 
to that the when condition is failing. I want to ignore this error how can 
I do it. Could you please help me on this. Thanks in advance.
  
fatal: [localhost]: FAILED! => {"msg": "The conditional check 
'item.volume_attachments | length == 0' failed. The error was: error while 
evaluating conditional (item.volume_attachments | length == 0): 'dict 
object' has no attribute 'volume_attachments'\n\nThe error appears to be in 
'/var/lib/home/s': line 33, column 7, but may\nbe elsewhere in the file 
depending on the exact syntax problem.\n\nThe offending line appears to 
be:\n\n\n- debug:\n  ^ here\n"}


Regards,
Jegan A

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Re: [ansible-project] ignore -has no attribute

[Martin Krizek]

Use "default" filter:
https://docs.ansible.com/ansible/latest/user_guide/playbooks_filters.html#defaulting-undefined-variables

Example:
- hosts: localhost
  gather_facts: no
  vars:
d:
  key: value
  tasks:
- debug:
msg: "{{ d.missing_attr | default('default_value') }}"

On Thu, Jan 23, 2020 at 11:19 AM Jegan A  wrote:
>
> Hello Team,
>
>I am parsing register value using debug and using when condition to print 
> particular matching value. While doing that am getting below error. some of 
> the register value doesn't have "volume_attachments" variable due to that the 
> when condition is failing. I want to ignore this error how can I do it. Could 
> you please help me on this. Thanks in advance.
>
> fatal: [localhost]: FAILED! => {"msg": "The conditional check 
> 'item.volume_attachments | length == 0' failed. The error was: error while 
> evaluating conditional (item.volume_attachments | length == 0): 'dict object' 
> has no attribute 'volume_attachments'\n\nThe error appears to be in 
> '/var/lib/home/s': line 33, column 7, but may\nbe elsewhere in the file 
> depending on the exact syntax problem.\n\nThe offending line appears to 
> be:\n\n\n- debug:\n  ^ here\n"}
>
>
> Regards,
> Jegan A
>
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