LCM Agent

LCM Agent handles a single machine that belongs to a management or MOSK cluster. It runs on the machine operating system but communicates with apiserver of the management cluster. LCM Agent is deployed as a systemd unit using cloud-init. LCM Agent has a built-in self-upgrade mechanism.

LCM Agent monitors the spec of a particular LCMMachine object to reconcile the machine state with the object StateItems and update the LCMMachine status`` accordingly. The actions that LCM Agent performs while handling StateItems are as follows:

• Download configuration files

• Run shell commands

• Run Ansible playbooks in headless mode

LCM Agent provides the IP address and host name of the machine for the status parameter of LCMMachine.