ansible_become_exe is an Ansible variable that specifies the path to the executable that is used to escalate privileges when using the become feature in Ansible.

The become feature in Ansible allows you to run tasks with escalated privileges, such as running commands as the root user on a remote server. The ansible_become_exe variable specifies the path to the executable that is used to escalate privileges.

The default value of ansible_become_exe is sudo, which means that Ansible will use the sudo command to escalate privileges. However, you can set this variable to any executable that can be used to escalate privileges, such as su or pbrun, depending on the requirements of your environment.

Here is an example of how to set the ansible_become_exe variable in an Ansible playbook:

- name: Run task with escalated privileges

In this example, the ansible_become_exe variable is set to su, which means that Ansible will use the su command to escalate privileges when running the service task.

It's worth noting that the ansible_become_exe variable is just one of several variables that are used to configure the become feature in Ansible. Here are some other variables that are commonly used with become:

1. ansible_become: This variable specifies whether to escalate privileges or not. It can be set to true or false.

2. ansible_become_method: This variable specifies the method used to escalate privileges. The default value is sudo, but you can also use su or other methods depending on your environment.

3. ansible_become_user: This variable specifies the user account to use when escalating privileges. The default value is root.

When using become in Ansible, it's important to ensure that you have the appropriate permissions to escalate privileges on the remote system. You should also be careful when running tasks with escalated privileges, as they can potentially cause unintended consequences if not executed properly.

Another thing to keep in mind when using become in Ansible is that it can have an impact on the performance of your playbooks. Running tasks with escalated privileges can be slower than running them without privileges, especially if there are a large number of tasks to execute.

To improve the performance of your playbooks, you can use the become_flags variable to pass additional arguments to the privilege escalation command. For example, you can use the -n flag with sudo to skip reading the sudoers file, which can improve performance in some cases:

In this example, the become_flags variable is set to -n, which tells sudo to skip reading the sudoers file. This can improve performance when running the service task with escalated privileges.

Overall, the become feature in Ansible is a powerful tool that allows you to run tasks with escalated privileges on remote systems. By using variables like ansible_become_exe, ansible_become_method, ansible_become_user, and become_flags, you can customize the privilege escalation process to meet the requirements of your environment and improve the performance of your playbooks.

In this blog, I will discuss what is become_exe in ansible and how to use it in your Ansible playbook. 

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