On Friday, January 26, 2018 at 12:34:49 AM UTC-7, Kai Stian Olstad wrote:
>
> On 26.01.2018 00:53, John Harmon wrote:
> > The more I read about this, the more I think it is working out of luck.
> > In
> > fact, I don't understand how it is working now based on the output
> > previously mentioned. According to that both DNS1 and DNS2 should be
> > pointing to dns2 or 10.1.1.11. Thoughts?
>
> Your nested has 3 levels and that gets you in trouble since you get this
> four combinations
> ifcfg-eth0 , ^DNS1.* , DNS1=10.1.1.10
> ifcfg-eth0 , ^DNS1.* , DNS2=10.1.1.11
> ifcfg-eth0 , ^DNS2.* , DNS1=10.1.1.10
> ifcfg-eth0 , ^DNS2.* , DNS2=10.1.1.11
>
> But you only want these two
> ifcfg-eth0 , ^DNS1.* , DNS1=10.1.1.10
> ifcfg-eth0 , ^DNS2.* , DNS2=10.1.1.11
>
> So try this
>
> - name: Add DNS entries to ifcfg-* files if missing
> lineinfile:
> path: "{{ net_path }}{{ item[0] }}"
> state: present
> regexp: "^{{ item[1] }}"
> line: "{{ item[1] }}={{ vars[item[1] | lower] }}"
> with_nested:
> - '{{ ifcfg_list.stdout_lines }}'
> - [ 'DNS1', 'DNS2' ]
>
>
> --
> Kai Stian Olstad
>
>
Kai, thank you. That is awesome. I wouldn't have thought of that. I do
have some follow-up questions, just to understand.
line: "{{ item[1] }}={{ vars[item[1] | lower] }}"
What does the = sign do here? Is it overriding the with_nested item[1]?
What is vars specifying? If I came close to ever doing this on my own I
wouldn't have added vars.... so I am curious.
I know what the rest of it is doing, but am a little fuzzy in regards to
the two things above.
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