last sync: 2021-Jul-23 16:37:57 UTC

Azure Policy definition

Kubernetes cluster containers should only use allowed ProcMountType

Name Kubernetes cluster containers should only use allowed ProcMountType
Azure Portal
Id f85eb0dd-92ee-40e9-8a76-db25a507d6d3
Version 4.0.0
details on versioning
Category Kubernetes
Microsoft docs
Description Pod containers can only use allowed ProcMountTypes in a Kubernetes cluster. This recommendation is part of Pod Security Policies which are intended to improve the security of your Kubernetes environments. 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.
Mode Microsoft.Kubernetes.Data
Type BuiltIn
Preview FALSE
Deprecated FALSE
Effect Default: audit
Allowed: (audit, deny, disabled)
Used RBAC Role none
History
Date/Time (UTC ymd) (i) Change type Change detail
2021-03-02 15:11:40 change Major (3.0.1 > 4.0.0)
2020-12-11 15:42:52 change Major (2.0.1 > 3.0.1)
2020-09-15 14:06:41 change Previous DisplayName: [Preview]: Kubernetes cluster containers should only use allowed ProcMountType
2020-07-08 14:28:08 add f85eb0dd-92ee-40e9-8a76-db25a507d6d3
Used in Initiatives none
JSON Changes

JSON
{
  "properties": {
    "displayName": "Kubernetes cluster containers should only use allowed ProcMountType",
    "policyType": "BuiltIn",
    "mode": "Microsoft.Kubernetes.Data",
    "description": "Pod containers can only use allowed ProcMountTypes in a Kubernetes cluster. This recommendation is part of Pod Security Policies which are intended to improve the security of your Kubernetes environments. 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": "4.0.0",
      "category": "Kubernetes"
    },
    "parameters": {
      "effect": {
        "type": "String",
        "metadata": {
          "displayName": "Effect",
          "description": "'Audit' allows a non-compliant resource to be created or updated, but flags it as non-compliant. 'Deny' blocks the non-compliant resource creation or update. 'Disabled' turns off the policy."
        },
        "allowedValues": [
          "audit",
          "deny",
          "disabled"
        ],
        "defaultValue": "audit"
      },
      "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": {
          
        }
      },
      "procMountType": {
        "type": "String",
        "metadata": {
          "displayName": "ProcMountType",
          "description": "The ProcMountType that containers are allowed to use in the cluster."
        },
        "allowedValues": [
          "Unmasked",
          "Default"
        ],
        "defaultValue": "Default"
      }
    },
    "policyRule": {
      "if": {
        "field": "type",
        "in": [
          "AKS Engine",
          "Microsoft.Kubernetes/connectedClusters"
        ]
      },
      "then": {
      "effect": "[parameters('effect')]",
        "details": {
          "constraintTemplate": "https://store.policy.core.windows.net/kubernetes/allowed-proc-mount-types/v1/template.yaml",
          "constraint": "https://store.policy.core.windows.net/kubernetes/allowed-proc-mount-types/v1/constraint.yaml",
        "excludedNamespaces": "[parameters('excludedNamespaces')]",
        "namespaces": "[parameters('namespaces')]",
        "labelSelector": "[parameters('labelSelector')]",
          "values": {
          "procMount": "[parameters('procMountType')]"
          }
        }
      }
    }
  },
  "id": "/providers/Microsoft.Authorization/policyDefinitions/f85eb0dd-92ee-40e9-8a76-db25a507d6d3",
  "type": "Microsoft.Authorization/policyDefinitions",
  "name": "f85eb0dd-92ee-40e9-8a76-db25a507d6d3"
}