UndrainableNodeBehavior Class

Definition

Namespace:: Microsoft.Azure.Management.ContainerService.Models

Assembly:: Microsoft.Azure.PowerShell.Aks.Management.Sdk.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Defines values for UndrainableNodeBehavior.

public static class UndrainableNodeBehavior

type UndrainableNodeBehavior = class

Public Class UndrainableNodeBehavior

Inheritance: Object
UndrainableNodeBehavior

Fields

Name	Description
Cordon	AKS will cordon the blocked nodes and replace them with surge nodes during upgrade. The blocked nodes will be cordoned and replaced by surge nodes. The blocked nodes will have label 'kubernetes.azure.com/upgrade-status:Quarantined'. A surge node will be retained for each blocked node. A best-effort attempt will be made to delete all other surge nodes. If there are enough surge nodes to replace blocked nodes, then the upgrade operation and the managed cluster will be in failed state. Otherwise, the upgrade operation and the managed cluster will be in canceled state.
Schedule	AKS will mark the blocked nodes schedulable, but the blocked nodes are not upgraded. A best-effort attempt will be made to delete all surge nodes. The upgrade operation and the managed cluster will be in failed state if there are any blocked nodes.

Name

Description

Cordon

AKS will cordon the blocked nodes and replace them with surge nodes during upgrade. The blocked nodes will be cordoned and replaced by surge nodes. The blocked nodes will have label 'kubernetes.azure.com/upgrade-status:Quarantined'. A surge node will be retained for each blocked node. A best-effort attempt will be made to delete all other surge nodes. If there are enough surge nodes to replace blocked nodes, then the upgrade operation and the managed cluster will be in failed state. Otherwise, the upgrade operation and the managed cluster will be in canceled state.

Schedule

AKS will mark the blocked nodes schedulable, but the blocked nodes are not upgraded. A best-effort attempt will be made to delete all surge nodes. The upgrade operation and the managed cluster will be in failed state if there are any blocked nodes.

Applies to