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]> 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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