Thanks James, Brain
This is precisely what I was looking for!
On Thursday, January 22, 2015 at 12:30:19 AM UTC+2, James Martin wrote:
>
> Sorry, was a bit confused by your comment "What should I use in
> production instead of the first debug?"
>
> If you mean, not to use "debug" in your first task because it's too
> verbose, you don't have to. But using it is not going to harm anything
> even on production. If you want to do it in a less verbose way:
>
> - hosts: localhost
> tasks:
> - command: echo "{{ hostvars[item].ec2_private_ip_address }}"
> with_items: groups.tag_Name_ClusterNodes
> register: output
> changed_when: no
>
> - debug: msg="{{ output.results|map(attribute='stdout')| join(' ') }}"
>
>
> as far as the second debug goes, you could, as bcoca pointed out, use
> set_fact:
>
> - set_fact: ip_list=""{{ output.results|map(attribute='stdout')| join(' ')
> }}"
>
> And subsequent tasks could then reference the list as "{{ ip_list }}"
>
>
> - James
>
> On Wednesday, January 21, 2015 at 5:04:13 PM UTC-5, Brian Coca wrote:
>>
>> look at set_fact
>>
>> On Wed, Jan 21, 2015 at 4:26 PM, James Martin <[email protected]>
>> wrote:
>> > Sorry, I'm not sure of a way to suppress that, outside of using a
>> custom
>> > filter.
>> >
>> > - James
>> >
>> >
>> > On Wednesday, January 21, 2015 at 3:37:09 AM UTC-5, Tzach Livyatan
>> wrote:
>> >>
>> >> Thanks James
>> >> Works like a charm. register is what I was looking for.
>> >>
>> >> What should I use in production instead of the first debug?
>> >> I need the data, not the output to the screen.
>> >>
>> >>
>> >>
>> >> On Tuesday, January 20, 2015 at 5:47:12 PM UTC+2, James Martin wrote:
>> >>>
>> >>> Here's a quick sample playbook that should do what you are trying to
>> do.
>> >>> Keep in mind that the ec2.py dynamic inventory script will gather the
>> >>> private IPs for you, you shouldn't need an explicit task.
>> >>>
>> >>> - hosts: localhost
>> >>> tasks:
>> >>>
>> >>> - debug: msg="{{ hostvars[item].ec2_private_ip_address }}"
>> >>> with_items: groups.tag_Name_ClusterNodes
>> >>> register: output
>> >>>
>> >>> - debug: msg="{{ output.results|map(attribute='msg')|join(' ') }}"
>> >>>
>> >>>
>> >>>
>> >>> You could also write a custom jinja2 filter to make this a single
>> task.
>> >>>
>> >>>
>> >>> - James
>> >>>
>> >>>
>> >>> On Tuesday, January 20, 2015 at 8:14:57 AM UTC-5, Tzach Livyatan
>> wrote:
>> >>>>
>> >>>> Posted a similar question a few days ago, got the right answer.
>> >>>> Now I can better explain what I'm looking for.
>> >>>>
>> >>>> I'm building a EC2 system from two types of servers:
>> >>>> - cluster nodes
>> >>>> - loader nodes
>> >>>> Each loader is generating traffic to ALL cluster nodes.
>> >>>>
>> >>>> My goal is a playbook which collect private-ip from each the first
>> >>>> group, and use it as part of a command to be executed on the second
>> group.
>> >>>> I assume it should look something like:
>> >>>>
>> >>>> ---
>> >>>> - name: Collect private IPs
>> >>>> hosts: tag_Name_ClusterNodes
>> >>>> gather_facts: false
>> >>>> tasks:
>> >>>> - name: Create group
>> >>>> # Pseudo Code Warning:
>> >>>> all_cluster_ips += {{ ec2_private_ip_address }}}
>> >>>>
>> >>>> - name: Run stress
>> >>>> hosts: tag_Name_Cloader
>> >>>> user: ec2-user
>> >>>> tasks:
>> >>>> - command: benchmark {{ all_cluster_ips }}
>> >>>>
>> >>>> But I cant make this works.
>> >>>> Suggestions will be appreciated!
>> >>>>
>> >>>> Thanks
>> >
>> > --
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>>
>> >
>> > For more options, visit https://groups.google.com/d/optout.
>>
>>
>>
>> --
>> Brian Coca
>>
>
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