It seems like you're going to need another type of iterator (lookup plugin)
that doesn't exist to traverse these, akin to something like a
with_dict_items or something.
I don't know your use cases, but another option might be to just make the
"data" and "fra" stuff a element inside the hash.
- name: Blerg
shell: "Use {{ item.disk }} and set label={{ item.label }} "
with_items: storage_config
when: item.category in [ 'fra', 'crs', 'data' ]
etc?
On Mon, Jul 7, 2014 at 3:20 PM, <stibbons.pe...@gmail.com> wrote:
> Hi,
> I'm kind of new to Ansible and I haven't really gotten the terminology
> down yet, so I hope you'd bear with me.
>
> I've got a task which loops through a bunch of disks and performs a set of
> operations on them. The placeholders/keys (CRS,DATA,FRA) are names on a
> sort of logical volumes which should use the disks listed under them.
> The construct is loaded via group_vars or host_vars and looks like this:
> ---
> crs:
> - {disk: /dev/sdc, label: CRS01}
> - {disk: /dev/sdd, label: CRS02}
> data:
> - {disk: /dev/sdd, label: DATA01}
> - {disk: /dev/sde, label: DATA02}
> fra:
> - {disk: /dev/sdg, label: FRA01}
> - {disk: /dev/sdh, label: FRA02}
> - {disk: /dev/sdi, label: FRA03}
>
> The task that uses it accesses it like so:
>
> - name: Blerg
> shell: "Use {{ item.disk }} and set label={{ item.label }} "
> with_items:
> - "{{ crs }}"
> - "{{ data }}"
> - "{{ fra }}"
>
>
> This works fine but I really dont like to have the names (CRS etc) in the
> loop as they potentially could be called anything.
>
> So what I would like to be able to do is to have something like this, and
> just call 'storage_layout' with a "with_something" so I dont have to
> hard-code the volume-names.
>
> storage_layout:
> crs:
> - {disk: /dev/sdc, label: CRS01}
> - {disk: /dev/sdd, label: CRS02}
> data:
> - {disk: /dev/sde, label: DATA01}
> - {disk: /dev/sdf, label: DATA02}
> fra:
> - {disk: /dev/sdg, label: FRA01}
> - {disk: /dev/sdh, label: FRA02}
> - {disk: /dev/sdi, label: FRA03}
>
>
> Is this even possible, and what would it potentially look like?
>
> I've tried with 'with_dict' but that seems to only accept 1 entry/key,
> like this.
>
> storage_layout:
> crs:
> {disk: /dev/sdc, label: CRS01}
> data:
> {disk: /dev/sde, label: DATA01}
> fra:
> {disk: /dev/sdg, label: FRA01}
>
>
>
> Thanks!
> /Peter
>
>
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