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ACK Cluster Multi-Zone Deployment

ID: rule:aliyun:ack-cluster-node-multi-zone
Severity: high
IaC Types: ROS, Terraform

Description​

The ACK cluster nodes should be distributed across 3 or more availability zones for high availability.

Reason for Violation​

The ACK cluster nodes are not distributed across 3 or more availability zones.

Recommendation​

Configure the cluster to use at least 3 availability zones by specifying multiple VSwitchIds.

Resource Types​

  • ROS: ALIYUN::CS::KubernetesCluster
  • ROS: ALIYUN::CS::ManagedKubernetesCluster
  • Terraform: alicloud_cs_managed_kubernetes