| JSON |
{
"displayName": "Kubernetes cluster containers CPU and memory resource limits should not exceed the specified limits",
"policyType": "BuiltIn",
"mode": "Microsoft.Kubernetes.Data",
"description": "Enforce container CPU and memory resource limits to prevent resource exhaustion attacks in a Kubernetes cluster. This policy is generally available for Kubernetes Service (AKS), and preview for AKS Engine and Azure Arc enabled Kubernetes. For more information, see https://aka.ms/kubepolicydoc.",
"metadata": {
"version": "7.0.0",
"category": "Kubernetes"
},
"parameters": {
"effect": {
"type": "String",
"metadata": {
"displayName": "Effect",
"description": "'Audit' allows a non-compliant resource to be created, but flags it as non-compliant. 'Deny' blocks the resource creation. 'Disable' turns off the policy."
},
"allowedValues": [
"audit",
"deny",
"disabled"
],
"defaultValue": "deny"
},
"excludedNamespaces": {
"type": "Array",
"metadata": {
"displayName": "Namespace exclusions",
"description": "List of Kubernetes namespaces to exclude from policy evaluation."
},
"defaultValue": [
"kube-system",
"gatekeeper-system",
"azure-arc"
]
},
"namespaces": {
"type": "Array",
"metadata": {
"displayName": "Namespace inclusions",
"description": "List of Kubernetes namespaces to only include in policy evaluation. An empty list means the policy is applied to all resources in all namespaces."
},
"defaultValue": []
},
"labelSelector": {
"type": "Object",
"metadata": {
"displayName": "Kubernetes label selector",
"description": "Label query to select Kubernetes resources for policy evaluation. An empty label selector matches all Kubernetes resources."
},
"defaultValue": {}
},
"cpuLimit": {
"type": "String",
"metadata": {
"displayName": "Max allowed CPU units",
"description": "The maximum CPU units allowed for a container. E.g. 200m. For more information, please refer https://aka.ms/k8s-policy-pod-limits"
}
},
"memoryLimit": {
"type": "String",
"metadata": {
"displayName": "Max allowed memory bytes",
"description": "The maximum memory bytes allowed for a container. E.g. 1Gi. For more information, please refer https://aka.ms/k8s-policy-pod-limits"
}
},
"excludedContainers": {
"type": "Array",
"metadata": {
"displayName": "Containers exclusions",
"description": "The list of InitContainers and Containers to exclude from policy evaluation. The identify is the name of container. Use an empty list to apply this policy to all containers in all namespaces."
},
"defaultValue": []
}
},
"policyRule": {
"if": {
"field": "type",
"in": [
"AKS Engine",
"Microsoft.Kubernetes/connectedClusters",
"Microsoft.ContainerService/managedClusters"
]
},
"then": {
"effect": "[parameters('effect')]",
"details": {
"constraintTemplate": "https://store.policy.core.windows.net/kubernetes/container-resource-limits/v2/template.yaml",
"constraint": "https://store.policy.core.windows.net/kubernetes/container-resource-limits/v2/constraint.yaml",
"excludedNamespaces": "[parameters('excludedNamespaces')]",
"namespaces": "[parameters('namespaces')]",
"labelSelector": "[parameters('labelSelector')]",
"values": {
"cpuLimit": "[parameters('cpuLimit')]",
"memoryLimit": "[parameters('memoryLimit')]",
"excludedContainers": "[parameters('excludedContainers')]"
}
}
}
}
}
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