Hello,
You can achieve it by using the following jinja2 template:
---
- hosts: localhost
gather_facts: no
vars:
zkurl: |
{%- set o = [] %}
{%- for i in groups.master_servers %}
{%- if o.append(hostvars[i].ansible_ssh_host+':2181') %}
{%- endif %}
{%- endfor %}
zk://{{ ','.join(o) }}/mesos
tasks:
- debug:
var: zkurl
Sample session:
$ ansible-playbook -i hosts zk.yml
PLAY [localhost]
**************************************************************
TASK: [debug ]
****************************************************************
ok: [localhost] => {
"var": {
"zkurl":
"zk://10.0.45.11:2181,10.0.45.12:2181,10.0.45.13:2181/mesos"
}
}
PLAY RECAP
********************************************************************
localhost : ok=1 changed=0 unreachable=0 failed=0
On Monday, September 14, 2015 at 11:56:21 PM UTC+9, Andrew Teil wrote:
>
> Hi. I have the following inventory structure
>
> master1 ansible_ssh_host=10.0.45.11
> master2 ansible_ssh_host=10.0.45.12
> master3 ansible_ssh_host=10.0.45.13
> slave1 ansible_ssh_host=10.0.45.51
> slave2 ansible_ssh_host=10.0.45.52
> slave3 ansible_ssh_host=10.0.45.53
>
> [master_servers]
> master1
> master2
> master3
>
> ...
>
> Now I need a URL that looks something like this *zk://10.0.45.11:2181
> <http://10.0.45.11:2181>,10.0.45.12:2181
> <http://10.0.45.12:2181>,10.0.45.13:2181/mesos
> <http://10.0.45.13:2181/mesos>*
> For that reason I need a list of *ansible_ssh_host* variables for all
> servers in the group *master_servers*.
>
> I ended up with this
> [hostvars[groups['master_servers'][0]].ansible_ssh_host,
> hostvars[groups['master_servers'][1]].ansible_ssh_host,
> hostvars[groups['master_servers'][2]].ansible_ssh_host]
>
> but this solution takes only three servers not all in the group
>
Regards,
--
YAEGASHI Takeshi <[email protected]>
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