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871d8ed3ca
Fixes #4317 #8568 Signed-off-by: Trey Dockendorf <tdockendorf@osc.edu> Co-authored-by: shuting <shuting@nirmata.com>
57 lines
2.1 KiB
YAML
57 lines
2.1 KiB
YAML
{{- $name := "disallow-host-path" }}
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{{- if eq (include "kyverno-policies.podSecurityBaseline" (merge (dict "name" $name) .)) "true" }}
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apiVersion: kyverno.io/v1
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kind: {{ .Values.policyKind }}
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metadata:
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name: {{ $name }}
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annotations:
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{{- with .Values.autogenControllers }}
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pod-policies.kyverno.io/autogen-controllers: {{ . }}
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{{- end }}
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policies.kyverno.io/title: Disallow hostPath
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policies.kyverno.io/category: Pod Security Standards (Baseline)
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{{- if .Values.podSecuritySeverity }}
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policies.kyverno.io/severity: {{ .Values.podSecuritySeverity }}
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{{- end }}
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policies.kyverno.io/subject: Pod,Volume
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kyverno.io/kyverno-version: 1.6.0
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kyverno.io/kubernetes-version: "1.22-1.23"
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policies.kyverno.io/description: >-
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HostPath volumes let Pods use host directories and volumes in containers.
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Using host resources can be used to access shared data or escalate privileges
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and should not be allowed. This policy ensures no hostPath volumes are in use.
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labels: {{ include "kyverno-policies.labels" . | nindent 4 }}
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spec:
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{{- with index .Values "validationFailureActionByPolicy" $name }}
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validationFailureAction: {{ toYaml . }}
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{{- else }}
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validationFailureAction: {{ .Values.validationFailureAction }}
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{{- end }}
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{{- with concat (index .Values "validationFailureActionOverrides" "all") (default list (index .Values "validationFailureActionOverrides" $name)) }}
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validationFailureActionOverrides: {{ toYaml . | nindent 4 }}
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{{- end }}
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background: {{ .Values.background }}
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failurePolicy: {{ .Values.failurePolicy }}
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rules:
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- name: host-path
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match:
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any:
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- resources:
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kinds:
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- Pod
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{{- with index .Values "policyExclude" $name }}
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exclude:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with index .Values "policyPreconditions" $name }}
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preconditions:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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validate:
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message: >-
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HostPath volumes are forbidden. The field spec.volumes[*].hostPath must be unset.
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pattern:
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spec:
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=(volumes):
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- X(hostPath): "null"
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{{- end }}
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