How do I add an environment variable in Ansible?
You can use the environment keyword at the play, block, or task level to set an environment variable for an action on a remote host. With this keyword, you can enable using a proxy for a task that does http requests, set the required environment variables for language-specific version managers, and more.
How do you create an Ansible environment?
Ansible can be run from any machine with Python 2 (versions 2.6 or 2.7) or Python 3 (versions 3.5 and higher) installed. Note − Windows does not support control machine. By default, Ansible uses ssh to manage remote machine. Ansible does not add any database.
How to set environment variables for a systemd service in?
The MySQL manual states the service setup is done simply as (example only): This is the preferred method which is to create and/or edit an override file that contains the environment variables. The command to create/edit the override file is:
Where to find the environment file in systemd?
For example: The environment file can be any, as defined by the EnvironmentFile attribute in the service, however, it could be specific to the version and distribution of Linux. Some older versions will expect it to be in /etc/sysconf (for Redhat-based distributions) versus /etc/default (for Debian-based distributions).
Why is the environment variable kept in a unit file?
The advantage of that is that the variable is kept in a single file with the unit. Therefore, the unit file is easier to move between systems. However, the above solution doesn’t work well when sysadmin is supposed to change the value of the environment variable locally.
Is the environment variable supposed to be constant?
The answer depends on whether the variable is supposed to be constant (that is, not supposed to be modified by user getting the unit) or variable (supposed to be set by the user). Since it’s your local unit, the boundary is quite blurry and either way would work.