How to remove or exclude an item in an Ansible template list?

Question

I\'m writing an Ansible template that needs to produce a list of ip\'s in a host group, excluding the current hosts IP. I\'ve searched around online an

Answer 1

There is difference filter for that:

- debug: var=item
  with_items: "{{ groups['my_group'] | difference([inventory_hostname]) }}"

This will give you all items hosts from my_group without current host.