On Wednesday, 14 November 2018 17:19:38 CET Bob Harold wrote:
> On Tue, Nov 13, 2018 at 5:37 PM Brian Coca <bc...@redhat.com> wrote:
>
> > 1 play before your normal play:
> >
> >
> > hosts: hosta,hostb
> > gather_facts: False
> > tasks:
> > - ping:
> > - group_by: key=rechable
> >
> > hosts: reachable
> > ....
> >
> > ----------
> > Brian Coca
> >
>
> Thanks for mentioning the 'ping' module - that is new to me. (It checks
> ssh connection and python, not an icmp ping)
> But I don't see "reachable" as a return value in the docs.
It's not a return value.
group_by is a module that will add the host in a group call rechable.
> Looks like that will run it for both hosts, which is not what the requestor
> wanted. More like:
>
> hosts: hosta
> gather_facts: False
> tasks:
> - ping:
> register: pingtest
> - hosts: hostb
> when: pingtest.failed
>
> But so far I cannot get it to work.
>
> I am looking to use the same logic to connect to the internal or external
> IP of an AWS server depending on where I happen to be running Ansible at
> that moment.
This will run on the first host in the list(host2) if it reachable if not it
will run on the second host(host1)
Not pretty but should work.
---
- hosts:
- host2
- host1
gather_facts: no
serial: 1
ignore_unreachable: true
tasks:
- ping:
register: r
- group_by:
key: rechable_hosts
when: r.unreachable is not defined
- hosts: rechable_hosts[0]
tasks:
- ping:
--
Kai Stian Olstad
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