Variables are the most simple of the potential customizations. With variables, we can define values that are going to be replaced in our playbooks. Let's take a look at the following playbook:
---- hosts: all user: root tasks: - debug: msg: "Hello {{ myName }}! I am {{ inventory_hostname }}"
Replace the content of tasks.yml with the snippet from earlier. There are two new symbols in our task. Also, our task is new: debug is used to output values from our variables into the terminal while executing the playbook. Let's take a look at the execution (we will use the same configuration as the example from earlier):
ansible-playbook -i inventory tasks.yml
It fails:
The reason for the failure can be seen in in the message: ...
