agent

Documentation

Overview

Package agent implements Flatcar Linux Update Operator agent, which role is to run on every Flatcar Node on the cluster, watch update_engine for status updates, propagate them to operator via Node labels and annotations and react on operator decisions about when to drain a node and reboot to finish upgrade process.

Index

• type Klocksmith
  • func New(node string, reapTimeout time.Duration) (*Klocksmith, error)
  • func (k *Klocksmith) Run(stop <-chan struct{})

Types

type Klocksmith

type Klocksmith struct {
	// contains filtered or unexported fields
}

Klocksmith implements agent part of FLUO.

func New

func New(node string, reapTimeout time.Duration) (*Klocksmith, error)

New returns initialized Klocksmith.

func (*Klocksmith) Run

func (k *Klocksmith) Run(stop <-chan struct{})

Run starts the agent to listen for an update_engine reboot signal and react by draining pods and rebooting. Runs until the stop channel is closed.