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After helping someone on IRC he was interested to have this debug module in upstream. This module simply 'prints' a message, and can be ordered to fail if needed. It helps to troubleshoot or understand inventory/facts issues and/or experiment with statements and conditions using only_if. Here is a small example playbook: ```yaml - hosts: all tasks: - local_action: debug msg="System $inventory_hostname has uuid ${ansible_product_uuid}" - local_action: debug msg="System $inventory_hostname lacks a gateway" fail=yes only_if: "is_unset('$ansible_default_ipv4.gateway')" - local_action: debug msg="System $inventory_hostname has gateway ${ansible_default_ipv4.gateway}" only_if: "is_set('$ansible_default_ipv4.gateway')" ``` outputting: ``` [root@moria ansible]# ansible-playbook -v -l localhost:x220 test6.yml PLAY [all] ********************* GATHERING FACTS ********************* ok: [localhost] ok: [x220] TASK: [debug msg="System $inventory_hostname has uuid $ansible_product_uuid"] ********************* ok: [localhost] => {"msg": "System localhost has uuid d125a48c-364f-4e65-b225-fed42ed61fac"} ok: [x220] => {"msg": "System x220 has uuid d125a48c-364f-4e65-b225-fed42ed61fac"} TASK: [debug msg="System $inventory_hostname lacks a gateway" fail=yes] ********************* failed: [localhost] => {"failed": true, "msg": "System localhost lacks a gateway", "rc": 1} ok: [x220] => {"msg": "System x220 has gateway 192.168.1.1"} PLAY RECAP ********************* localhost : ok=2 changed=0 unreachable=0 failed=1 x220 : ok=3 changed=0 unreachable=0 failed=0 ``` I had some other plans for the module, like displaying host inventory and complete inventory to help understand inventory and facts modules, but that would require an action-plugin for transfering inventory information etc... And I am not sure this is wanted/best done in a module.
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