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kyverno/charts/kyverno-policies/templates/baseline/disallow-host-path.yaml
Daniel Schunack 7b31f456c9
[Feature] Add posibility to set validationFailureAction by Policy (#4400)
* Implement validationFailureActionByPolicy
* Update README.md
* Add artifacthub.io/changes entry
* Add Test Case
Signed-off-by: dschunack <dschunack@web.de>
2022-08-25 15:29:20 +00:00

53 lines
2 KiB
YAML

{{- $name := "disallow-host-path" }}
{{- if eq (include "kyverno-policies.podSecurityBaseline" (merge (dict "name" $name) .)) "true" }}
apiVersion: kyverno.io/v1
kind: ClusterPolicy
metadata:
name: {{ $name }}
annotations:
policies.kyverno.io/title: Disallow hostPath
policies.kyverno.io/category: Pod Security Standards (Baseline)
{{- if .Values.podSecuritySeverity }}
policies.kyverno.io/severity: {{ .Values.podSecuritySeverity }}
{{- end }}
policies.kyverno.io/subject: Pod,Volume
kyverno.io/kyverno-version: 1.6.0
kyverno.io/kubernetes-version: "1.22-1.23"
policies.kyverno.io/description: >-
HostPath volumes let Pods use host directories and volumes in containers.
Using host resources can be used to access shared data or escalate privileges
and should not be allowed. This policy ensures no hostPath volumes are in use.
spec:
{{- with index .Values "validationFailureActionByPolicy" $name }}
validationFailureAction: {{ toYaml . }}
{{- else }}
validationFailureAction: {{ .Values.validationFailureAction }}
{{- end }}
{{- with concat (index .Values "validationFailureActionOverrides" "all") (default list (index .Values "validationFailureActionOverrides" $name)) }}
validationFailureActionOverrides: {{ toYaml . | nindent 4 }}
{{- end }}
background: {{ .Values.background }}
failurePolicy: {{ .Values.failurePolicy }}
rules:
- name: host-path
match:
any:
- resources:
kinds:
- Pod
{{- with index .Values "policyExclude" $name }}
exclude:
{{- toYaml . | nindent 8 }}
{{- end }}
{{- with index .Values "policyPreconditions" $name }}
preconditions:
{{- toYaml . | nindent 8 }}
{{- end }}
validate:
message: >-
HostPath volumes are forbidden. The field spec.volumes[*].hostPath must be unset.
pattern:
spec:
=(volumes):
- X(hostPath): "null"
{{- end }}