Working with Ansible Modules
- Setup Module. The setup module is used to get the information about the network or hardware or OS version or memory-related information of the target machines.
- Command Module. ...
- Shell Module. ...
- User Module. ...
- File Module. ...
- Copy Module. ...
- Manage Software Packages. ...
- Service/Systemd Module. ...
- Script Module. ...
How to get started using Ansible?
This module is part of ansible-core and included in all Ansible installations. In most cases, you can use the short module name setup even without specifying the collections: keyword. However, we recommend you use the FQCN for easy linking to the module documentation and to avoid conflicting with other collections that may have the same module name.
How to install Ansible on Windows 11 and 10?
Dec 01, 2020 · This module is automatically called by playbooks to gather useful variables about remote hosts that can be used in playbooks. It can also be executed directly by /usr/bin/ansible to check what variables are available to a host. Ansible …
How to test provisioning and configuration in Ansible setup?
Apr 14, 2020 · What is setup module in Ansible? Synopsis. This module is automatically called by playbooks to gather useful variables about remote hosts that can be used in playbooks. It can also be executed directly by /usr/bin/ansible to check what variables are available to a host.
How to install Ansible and use it in automation?
Dec 21, 2021 · Modules. Enabling modules. Using modules. Modules are the main building blocks of Ansible playbooks. Although we do not generally speak of “module plugins”, a module is a type of plugin. For a developer-focused description of the differences between modules and other plugins, see Modules and plugins: what is the difference?.
What is the default module in Ansible?
Module defaults groupsGroupPurposeAnsible VersionazureAzure2.7gcpGoogle Cloud Platform2.7k8sKubernetes2.8osOpenStack2.85 more rows•Dec 21, 2021
What are different Ansible modules?
Let's start with the modules:Ping Module. Ping is used when we want to check whether the connection with our hosts defined in the inventory file is established or not. ... Setup Module. ... Copy Module. ... Yum Module. ... Shell Module* ... Service Module. ... Debug Module. ... Template Module.More items...•Oct 31, 2018
What is the use of gather_facts in Ansible?
The gather_facts module from the Ansible playbook runs the setup module by default at the start of each playbook to gather the facts about remote hosts. Fetch the Ansible facts and display them using a playbook. Fetching the Ansible facts, filtering them, and displaying them using a playbook.Mar 15, 2021
What is Ansible_os_family?
The variable 'ansible_os_family' is being interpolated into the list of filenames being defined for vars_files. As a reminder, the various YAML files contain just keys and values: --- # for vars/CentOS.yml apache: httpd somethingelse: 42.
What is a ansible module?
Ansible modules are reusable, standalone scripts that can be used by the Ansible API, or by the ansible or ansible-playbook programs. They return information to ansible by printing a JSON string to stdout before exiting. They take arguments in one of several ways which we'll go into as we work through this tutorial.
How does ansible module work?
Ansible works by connecting to your nodes and pushing out small programs, called "Ansible modules" to them. These programs are written to be resource models of the desired state of the system. Ansible then executes these modules (over SSH by default), and removes them when finished.
What is register in Ansible?
Ansible register is a way to capture the output from task execution and store it in a variable. This is an important feature, as this output is different for each remote host, and the basis on that we can use conditions loops to do some other tasks. Also, each register value is valid throughout the playbook execution.
What is Hostvars Ansible?
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.Dec 21, 2021
What is Ansible Tower?
Ansible Tower (formerly 'AWX') is a web-based solution that makes Ansible even more easy to use for IT teams of all kinds. It's designed to be the hub for all of your automation tasks.
What is SSH pipelining?
SSH pipelining is an Ansible feature to reduce the number of connections to a host. Ansible will normally create a temporary directory under ~/. ansible (via ssh), then for each task, copy the module source to the directory (using sftp or scp) and execute the module (ssh again).Nov 4, 2015
What kind of OS do you manage with Ansible?
Ansible (software)Original author(s)Michael DeHaanWritten inPython, PowerShell, Shell, RubyOperating systemLinux, Unix-like, MacOS, WindowsAvailable inEnglishTypeConfiguration management, infrastructure as code (IaC), Orchestration engine9 more rows
How do you use variable to apply condition in Ansible?
You can define variables like this:vars: epic: true monumental: "yes"tasks: - name: Run the command if "epic" or "monumental" is true ansible.builtin.shell: echo "This certainly is epic!" ... tasks: - name: Run the command if "foo" is defined ansible.builtin.shell: echo "I've got '{{ foo }}' and am not afraid to use it!"Dec 21, 2021
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.
How Facts Done in Ansible?
Ansible facts are fetched from remote hosts using setup module which runs automatically every time, if not disabled. This can be done by running the setup module on the command line using the adhoc method or by default in a playbook.
Examples of Ansible Facts
Now by using examples, we will try to learn about ansible facts, which you might have to use in day to day operations. We will take some examples, but before going there, we first understand our lab used for testing purpose.
Conclusion
Ansible fact is a useful tool. Which will run and helps you to gather information from your remote hosts? But you may acknowledge that if you have a lot of hosts to be managed by Ansible, then gathering facts and not using these facts will only add burden to your bandwidth and processing capacity.
Recommended Articles
This is a guide to Ansible Facts. Here we discuss How Facts Done in Ansible with explanation and along with the respective examples for better understanding. You may also look at the following articles to learn more –