nodedrain

package
v1.1.9 Latest Latest
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Published: Jan 16, 2020 License: Apache-2.0 Imports: 24 Imported by: 0

Documentation

Overview

Package nodedrain implements the controller for ensuring that drain detection deployments exist. The design and purpose for drain detection is found at: https://github.com/rook/rook/blob/master/design/ceph-managed-disruptionbudgets.md

Index

Constants

View Source
const (

	// CanaryAppName is applied to nodedrain canary components (pods, deployments) with the key app
	CanaryAppName = "rook-ceph-drain-canary"
	NodeNameLabel = "node_name"
)

Variables

This section is empty.

Functions

func Add

func Add(mgr manager.Manager, context *controllerconfig.Context) error

Add adds a new Controller based on nodedrain.ReconcileNode and registers the relevant watches and handlers

Types

type ReconcileNode

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

ReconcileNode reconciles ReplicaSets

func (*ReconcileNode) Reconcile

func (r *ReconcileNode) Reconcile(request reconcile.Request) (reconcile.Result, error)

Reconcile reconciles a node and ensures that it has a drain-detection deployment attached to it. The Controller will requeue the Request to be processed again if an error is non-nil or Result.Requeue is true, otherwise upon completion it will remove the work from the queue.

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