On 6/12/20 2:35 PM, Doug OLeary wrote:
> Hi
>
> I have a dictionary of disks in my host vars:
>
> |
> disks:
> sdc:
> dev: sdc
> vg: vg01
> lv: app
> mp: '/opt/app'
> sdd:
> dev: sdd
> vg: vg02tmp
> lv: shared
> mp: '/opt/app/oracle/shared'
> |
>
> A **very** basic playbook, just to access the dictionary::
>
> |
> tasks:
> -debug:
> msg:"disk name: {{item}}"
> loop:
> -"{{disks}}"
>
> |
>
> shows good results so I'm pretty sure I have the dictionary defined correctly:
>
> |
> TASK
> [debug]**
> ok:[mynewhost]=>(item=[{'key':'sdc','value':{'dev':'sdc','vg':'vg01','lv':'app','mp':'/opt/app'}},{'key':'sdd','value':{'dev':'sdd','vg':'vg02tmp','lv':'shared','mp':'/opt/app/oracle/shared'}}])=>{
> "msg":"disk name: [{'key': 'sdc', 'value': {'dev': 'sdc', 'vg': 'vg01',
> 'lv': 'app', 'mp': '/opt/app'}}, {'key':
> 'sdd', 'value': {'dev': 'sdd', 'vg': 'vg02tmp', 'lv': 'shared', 'mp':
> '/opt/app/oracle/shared'}}]"
> }
> |
>
> How do I loop over the dictionary key? in this case, it'd be sdc and sdd...
> I've been trying iteration of
> {{item.key}}, and {{disks.key}} but nothing has worked yet.
>
> Thanks for any hints/tips/suggestions.
Old style:
with_dict: "{{ disks }}"
New style:
loop: "{{ disks | dict2items }}"
In both cases the key is in item.key and values can be accessed with
item.value, e.g item.value.dev.
Reference:
https://docs.ansible.com/ansible/latest/user_guide/playbooks_loops.html#iterating-over-a-dictionary
Regards
Racke
>
> Doug O'Leary
>
>
>
>
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