You can check if you have a valid syntax at
http://www.yamllint.com/
In YAML, sequences must have a dash followed by a space.
On Friday, May 3, 2019 at 2:38:51 AM UTC-7, op...@netexpress.de wrote:
>
> I have the following playbook:
> ---
> - hosts: debian
> order: sorted
> tasks:
> -name: postfix - set debconf defaults before postfix install
> shell: debconf-set-selections <<< "postfix postfix/mailname string {{
> inventory_hostname }}" executable=/bin/bash
> tags: postfix
>
> But i get the error:
> ERROR! Syntax Error while loading YAML.
> mapping values are not allowed in this context
>
> The error appears to have been in '/opt/ansible/playbooks/postfix.yml':
> line 6, column 12, but may
> be elsewhere in the file depending on the exact syntax problem.
>
> The offending line appears to be:
>
> -name: postfix - set debconf defaults before postfix install
> shell: debconf-set-selections <<< "postfix postfix/mailname string
> {{ inventory_hostname }}" executable=/bin/bash
> ^ 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 }}"
>
> Help, please! What am i doing wrong?
>
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