Hi All,
I have a task which has multiple with_items and hence it picks the latest
defined item (arbiter) in the delegate which is not the expected result:
```
run_once: true
delegate_to: "{{ item }}"
with_items:
- "{{ groups['mongodb-active'] }}"
shell: /usr/bin/mongo --eval 'printjson(rs.add("{{ item }}:27017"))'
with_items:
- "{{ groups['mongodb-arbiter'] }}"```
```
I tried using below too, but failed - "ERROR! Unexpected Exception, this is
probably a bug: unhashable type: 'list'":
- name: Choosing active server
set_fact:
active_server: "{{ groups['mongodb-active'] }}"
- name: Add secondaries
run_once: true
delegate_to: "{{ active_server }}"
shell: /usr/bin/mongo --eval 'printjson(rs.add("{{ item }}:27017"))'
with_items:
- "{{ groups['mongodb-arbiter'] }}"
On Thursday, 15 March 2018 20:52:45 UTC-4, Žarko Aleksić wrote:
>
> I was working on the similar thing and stumbled across your post. Might be
> too late for you, but it might help someone else. You can achieve this
> easily by setting random server as a fact once at the beginning of the
> playbook. Then referencing that (now static) fact as part of delagate_to.
>
> I used this:
>
>
>
> - name: Choosing random DB server to use
> set_fact:
> random_server: "{{ groups.groupname|random}}"
>
>
> - name: executing the script on random server
> shell: /path/to/script
> delegate_to: "{{ random_server }}"
>
>
>
>
> On Wednesday, November 18, 2015 at 5:35:51 PM UTC-6, Elliott Barrere wrote:
>>
>> Okay, just getting back to this. I have this in my site.yaml file in
>> group_vars:
>>
>> rwdc_server: '{{groups.rwdcs|random}}'
>>
>>
>> but it appears that the rwdc_server variable gets a different domain
>> controller from the group each time it's accessed (sometimes it's the same
>> one, but not always). I need the value to be consistent so I can run a
>> series of commands on the same box. Is this possible?
>>
>> I'd rather not pin it to a single box (with e.g. {{groups.rwdcs[0]}}),
>> for basic load balancing & HA...
>>
>
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