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Ansible – “setup” module is responsible to gather facts of the remote hosts. The system facts are nothing but the system configuration which ...

Mar 15, 2021 · An introduction to Ansible facts. Ansible facts make it easier for sysadmins to control under what circumstances playbooks will run based on actual system information. Ansible facts are data gathered about target nodes (host nodes to be configured) and returned back to controller nodes. Ansible facts are stored in JSON format and are used to make important decisions about tasks based on their statistics.

Sep 12, 2019 · Fact gathering means Ansible runs a number of commands to confirm the most recent values for important indicators and parameters. Run against my freshly installed RHEL 8 based PC, this takes roughly 4 seconds. Part of this can be to how RHEL is configured (and that it’s still a work in progress), but part of this amount of time is defined by the sheer number of facts: more than 1000!

Jul 09, 2021 · In fact, ansible playbooks call this setup module by default to perform Gathering Facts task. The ansible ad-hoc command to invoke the ansible setup module is given below. ansible <hostname (or) hostgroup> -m setup. The Execution output the setup module is given below.

12.09.2019 · Red Hat Ansible There are Ansible playbooks which depend on the most up-to-date information found on each node. That’s where fact gathering is a much needed help. But there are also simpler more predefined playbooks, which don’t need fact gathering and can therefore gain performance if no facts are collected.

Ansible cannot quickly gather facts. The setup module (when run automatically at the beginning of an ansible-playbook run, or when run manually as ansible ...

Something like this? - hosts: all sudo: yes gather_facts: True filter: "filter=ansible_*". PS: The code above throws syntax ...

Dec 28, 2015 · Having set gather_facts to true simply calls the setup module as very first task of the play. This way you do not have any way to parameterize the setup module call. But you can disable the default behavior and call setup yourself with the filter parameter. - hosts: all sudo: yes gather_facts: False tasks: - setup: filter: ansible_*

2. Facts Gathering ... In Ansible, Facts are nothing but information that we derive from speaking with the remote system. Ansible uses setup module to discover ...

This module takes care of executing the configured facts modules, the default is to use the ansible. · This module is automatically called by playbooks to gather ...

In Ansible, facts gathering is essentially an unwritten task. When it is turned on (the default) at the start of each play, each host will ...

09.07.2021 · What are Ansible Facts. Ansible collects pretty much all the information about the remote hosts as it runs a playbook. The task of collecting this remote system information is called as Gathering Facts by ansible and the details collected are generally known as facts or variables. This information can be obtained manually using Ansible ad-hoc command and a …

The most commonly used magic variables are hostvars, groups, group_names, and inventory_hostname. With hostvars, you can access variables defined for any host in the play, at any point in a playbook. You can access Ansible facts using the hostvars variable too, but only after you have gathered (or cached) facts.

27.12.2015 · Performance it's a concern and I know that gathering facts it's time-consuming. I'm looking for some way to filter gather_facts inside a playbook, this will allow me to gather only the required facts. This is possible using the setup core module:

11.06.2020 · Explaining Ansible Facts. Ansible facts are gathered using the setup module, which runs in the background every time. But this can be switched off by using mentioning gather_facts: no in the playbook.

Also covered, What does ansible Gathering facts tasks do in ansible playbook execution, data types of ansible variables and how to know the ...