12.01.2021 · For its part, Ansible gives you quite a bit of flexibility in terms of how you can inject, update, and even register new variables whenever you run a playbook. In the latter case, Ansible’s register task parameter is especially helpful, because you often won’t be able to know at Ansible playbook runtime what certain values are going to be.
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.
How can an Ansible playbook register in a variable the result of including another playbook? For example, would the following register the result of executing tasks/foo.yml in result_of_foo? tasks: - include: tasks/foo.yml - register: result_of_foo How else can Ansible record the result of a task sequence?
ansible register module with an example: Here httpd_status is the variable so the output of the command “service httpd status” will be stored into variable httpd_status. So by using the register module, you can store the output of the task. To print that output we use debug module.
Jan 12, 2021 · For its part, Ansible gives you quite a bit of flexibility in terms of how you can inject, update, and even register new variables whenever you run a playbook. In the latter case, Ansible’s register task parameter is especially helpful, because you often won’t be able to know at Ansible playbook runtime what certain values are going to be.
That covers the basics of the Ansible register module. Example 2: Store Directory Contents. In this example, I will show you how to store the contents of a directory in a variable using the Ansible register module, as well as how to iterate over them. First, create the new playbook get_dir_contents.yaml in the playbooks/ directory.
21.12.2021 · Ansible always registers something in a registered variable for every host, even on hosts where a task fails or Ansible skips a task because a condition is not met. To run a follow-up task on these hosts, query the registered variable for is skipped (not for “undefined” or “default”). See Registering variables for more information.
30.09.2017 · Ansible registers are used when you want to capture the output of a task to a variable. You can then use the value of these registers for different scenarios like a conditional statement, logging etc. The variables will contain the value returned by the task. The common return values are documented in Ansible docs.
ansible-playbook debug_with_customized_msg.yml Example #5 You can register the output of a task in a variable and as we know the values of these variables will be stored in JSON format. So, you can call that variable later in the same playbook. To test this or to test which value will be used when we call registered variables.
Registered variables are host-level variables. When you register a variable in a task with a loop, the registered variable contains a value for each item in the ...
Ansible Register Module With Examples Ansible register variable or ansible register module is used to capture or store the output of the command or task. By using the register module, you can store that output into any variable. In the following example, I will show you how to …
15.04.2021 · A common use for conditionals in the context of Ansible playbooks is to combine them with register, a keyword that creates a new variable and assigns it with the output obtained from a command. This way, you can use any external command to evaluate the execution of …
Ansible playbook has been incrementally filling in the imperative gaps, but as this case demonstrates, still has holes to fill. An alternative approach is to base the design of a DSL on an existing programming language, but follow a narrower syntax or provide only specific functions.
In Ansible, you can run any shell command on your Ansible hosts, the hosts you will be configuring with Ansible. These shell commands may have outputs. By default, the output is ignored. If you want to store the output in a variable and use it later, then you can use the Ansible register module.