Thank you both for the suggestions. Much appreciated.
On Sun, Aug 18, 2024 at 12:05 PM Vladimir Botka <vbo...@gmail.com> wrote:
> On Sun, 18 Aug 2024 15:11:11 +0100
> Will McDonald <wmcdon...@gmail.com> wrote:
>
> > There may be more elegant ways to achieve this
>
> The below declaration should to the job
>
> seeds: "{{ ansible_play_hosts |
> difference([inventory_hostname]) |
> map('extract', hostvars, 'ansible_host') |
> product([':2113']) |
> map('join') |
> join(',') }}"
>
> > {%- set seeds = [] %}
> > {%- for host in ansible_play_hosts %}
> > {%- if host != inventory_hostname %}
> > {{ seeds.append(hostvars[host]['ansible_host'] ~ ':2113') }}
> > {%- endif %}
> > {%- endfor %}
> >
> > GossipSeed: {{ seeds | join(',') }}
>
> For example, given the inventory
>
>
> shell> cat hosts
> host_A ansible_host=10.1.0.51
> host_B ansible_host=10.1.0.52
> host_C ansible_host=10.1.0.53
>
> the below play
>
> - hosts: all
> vars:
> seeds: "{{ ansible_play_hosts |
> difference([inventory_hostname]) |
> map('extract', hostvars, 'ansible_host') |
> product([':2113']) |
> map('join') |
> join(',') }}"
> tasks:
> - debug:
> var: seeds
>
> gives (abridged)
>
> ok: [host_A] =>
> seeds: 10.1.0.53:2113,10.1.0.52:2113
> ok: [host_B] =>
> seeds: 10.1.0.53:2113,10.1.0.51:2113
> ok: [host_C] =>
> seeds: 10.1.0.51:2113,10.1.0.52:2113
>
> HTH,
>
> --
> Vladimir Botka
>
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