On Tuesday, December 4, 2018 at 11:04:15 AM UTC-7, Piotr Owcarz wrote:
>
> John,
> I just realized, that lookups read files on the Ansible control machine. I
> assume you are searching that file on remote machine - then lookup won't
> work. If this is the case, read on...
> I was researchnig a similar issue today, and couldn't came up with other
> solution than:
> - shell: "grep -Eo '\\w+.img' {{ file }}"
> register: out
> - debug: var=out.stdout_lines
>
> Piotr
>
>
>
>
> wt., 4 gru 2018 o 18:21 John Harmon <[email protected] <javascript:>>
> napisał(a):
>
>> Perhaps I am doing this wrong, but it doesn't like my syntax. If I
>> escape the backslash ('\\w+.img') it tries to run but with a different
>> error:
>> - name: Find virtual Disks
>> set_fact:
>> virt_disks: "{{ lookup('file','/var/ftp/vm.cfg') |
>> regex_findall('\w+.img') }}"
>>
>> Result:
>> ERROR! Syntax Error while loading YAML.
>> found unknown escape character
>>
>> The error appears to have been in
>> '/etc/ansible/playbooks/one-offs/sanitize_vm.yml': line 21, column 75,
>> but may
>> be elsewhere in the file depending on the exact syntax problem.
>>
>> The offending line appears to be:
>>
>> set_fact:
>> virt_disks: "{{ lookup('file','/var/ftp/vm.cfg') |
>> regex_findall('\w+.img') }}"
>>
>> ^ here
>> We could be wrong, but this one looks like it might be an issue with
>> missing quotes. Always quote template expression brackets when they
>> start a value. For instance:
>>
>> with_items:
>> - {{ foo }}
>>
>> Should be written as:
>>
>> with_items:
>> - "{{ foo }}"
>>
>>
>> If I escape the backslash:
>> TASK [Find virtual Disks]
>> ****************************************************************************************************************************************************************************************************************
>> [WARNING]: Unable to find '/var/ftp/vm.cfg' in expected paths (use -vvvvv
>> to see paths)
>>
>> fatal: [ovmftp]: FAILED! => {"msg": "An unhandled exception occurred
>> while running the lookup plugin 'file'. Error was a <class
>> 'ansible.errors.AnsibleError'>, original message: could not locate file in
>> lookup: /var/ftp/vm.cfg"}
>>
>>
>>
>> I find the error strange on the last one, because I stat the file
>> previous to it and can see it fine.
>>
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>
Thx Piotr. That works. I was hoping to be able to do this without shell,
but I haven't been able to find another way around it either.
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