Dear all,

Openstack-ansible (OSA) allows us to override parameters in the configuration 
files as described here: 
https://docs.openstack.org/project-deploy-guide/openstack-ansible/draft/app-advanced-config-override.html

there is the following statement:

"You can also apply overrides on a per-host basis with the following 
configuration in the /etc/openstack_deploy/openstack_user_config.yml file:

compute_hosts:
  900089-compute001:
    ip: 192.0.2.10
    host_vars:
      nova_nova_conf_overrides:
        DEFAULT:
          remove_unused_original_minimum_age_seconds: 43200
        libvirt:
          cpu_mode: host-model
          disk_cachemodes: file=directsync,block=none
        database:
          idle_timeout: 300
          max_pool_size: 10

"

In this example the override is part of a compute host definition and there it is in the 
host_vars section (compute_hosts -> 900089-compute001 -> host_vars -> 
override). Is it possible to apply such an override for all the compute hosts by not 
using the hostname? For instance something like:

" compute_hosts:
      nova_nova_conf_overrides:
        DEFAULT:
          remove_unused_original_minimum_age_seconds: 43200
"

would this be correct?


Thank you,
Laszlo

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