I've got a playbook which needs to run against my entire inventory, with a
list of hostnames as an extra variable (`target_hosts`).
The hosts in `target_hosts` all have a `group_id` hostvar defined on them.
I use the whole inventory because some ancillary hosts which correspond to
the `group_id` var need per-group configuration to match in one section.
There will often be multiple `group_id` values associated with the hosts in
the `target_hosts` list. I need to select the correct inventory group of
ancillary hosts and import/run a playbook to configure both sets of servers
partway through the main playbook.
This is what I currently do:
include_playbook: group-configure.yaml
vars:
src_hosts: "group-{{ group_id }}-ancillary-1"
dest_hosts: "{{ target_hosts }}"
I currently have to manually separate the `target_hosts` by `group_id`
manually, then run the main playbook once for each. This has tons of
unnecessary overhead.
What I really want to execute is this:
for each group of hosts from `target_hosts` with the same `group_id`
hostvar:
import and run group-configure.yaml with:
src_hosts: "ancillary-{{ group_id }}"
target_hosts: restricted to those with that value of `group_id`'
How can I do this? If the current way this is structured won't work, what's
the best alternative approach?
Thanks for any help!
Ewan
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