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Cloud Config:Check the number of CoreDNS replicas in an ACK cluster

Last Updated:Jun 22, 2026

Detects the "CoreDNS has only one replica" risk in ACK cluster inspections. A resource is compliant if this risk is not found in the latest inspection report. If cluster inspection is not enabled, the resource is marked as "Not Applicable".

Risk level

Default risk level: Medium.

You can change the risk level as needed.

Detection logic

  • Checks the latest ACK cluster inspection report for the "CoreDNS has only one replica" risk. A resource is compliant if the risk is not detected. If cluster inspection is not enabled, the resource is marked as "Not Applicable".

Rule details

Parameter

Description

Rule name

Check the number of CoreDNS replicas in an ACK cluster

Rule identifier

ack-cluster-inspect-coredns-has-only-one-replica-check

Tag

ACK

Automatic remediation

Not supported

Rule trigger

Periodic

Trigger frequency

24 hours

Supported resource types

ACS::ACK::Cluster

Input parameters

None

Remediation

For remediation instructions, see Use cluster inspection.