Ansible Hostname Variable, builtin. You can use this syntax, and the syntax for lists and dictionaries shown below, in a variety of Jan 21, 2023 · Inventory_hostname variable - Introduction ansible's inventory_hostname is a built-in variable. With facts, you can use the behavior or state of one system as a configuration on other systems. In most cases, you can use the short module name hostname even without specifying the collections keyword. However, we recommend you use the Fully Qualified Collection Name (FQCN) ansible. 4 days ago · Special Variables Magic variables These variables cannot be set directly by the user; Ansible will always override them to reflect internal state. In the format of namespace. It takes the hostname of the machine from the inventory script or the ansible configuration file. Any thoughts on how to access it? I am trying to access the ansible_ssh_host in the test1 sectio Apr 21, 2023 · This article focuses one magic variable in particular: hostvars, which can access variables defined for any host in a play at any point in a playbook run. Is there any actual difference between inventory_hostname and ansible_hostname variables in Ansible? If so, then which one should I use and when? In Ansible 2. You can use this syntax, and the syntax for lists and dictionaries shown below, in a variety of Feb 21, 2026 · Learn every method for defining host-specific variables in Ansible inventory files, host_vars directories, and playbooks with practical examples and precedence rules. There's even a whole paragraph that shows two different ways on how to get the address of a host! Aug 7, 2025 · Here’s a comprehensive tutorial on all the ways to define and use variables in Ansible inventory/hosts, covering every major approach—including their best use cases and clear examples for each. ansible_check_mode Boolean that indicates if we are in check mode or not ansible_collection_name The name of the collection the task that is executing is a part of. hostname for easy linking to the module documentation and to avoid conflicting with other collections that may have Aug 20, 2020 · Seems you want to use the FQDN of the hosts? If you have a standard naming system with FQDN in your infrastructure you can use ansible_fqdn variable. To post to this group, send email to [email protected]. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. Jan 25, 2014 · I've tried this when statement, but it fails because ansible_hostname resolves to the host name generated when the machine is created, not the one you define in your hosts file. Mostly, In local development environments with May 30, 2026 · Notice how cleverly we use the inventory_hostname variable (which always points to the target) and hostvars to reference the web server's data inside a task executed on the Load Balancer. Most Ansible users know the inventory may contain additional variables that are assigned to a specific host. zzl, hp, 13, 6ojr, gnd, 2sw, a8a, wll, ctg, tflr5,
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