How is cloud-init integrated with a managed system image?

Cloud-init is a tool used to initialize cloud instances and configure them on first boot. It integrates with the managed system by providing systemd units that are activated at different stages of the boot process to handle various initialization tasks.

systemd units: Cloud-init provides several systemd service units which are included in the boot process. These units handle the early initialization, configuration, and final setup stages.

The other options are incorrect:

A: There is no cloud-init-worker command.

C: Cloud-init does not replace the instance’s original init system.

D: Cloud-init does not provide a Linux kernel module.

E: There is no cloud-init-daemon service that keeps the instance in sync with the desired configuration.

References:

Cloud-Init Documentation - Systemd