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bb3e7d9ddc
Until now it was not possible to set the allowExistingViolations for predefined policies in the policies chart. By default it should be set to , identical to how it is set up in the CRDs. Not only does this now allow users to set the config according to their needs, but this also solves a problem with ArgoCD. As the CRDs set it to true, but the template does not specifically declare the field, ArgoCD falls into a constant sync loop of trying to remove the field. Signed-off-by: ProbstenHias <matthias.weilinger@gmx.de> Co-authored-by: Vishal Choudhary <vishal.choudhary@nirmata.com>
75 lines
3.3 KiB
YAML
75 lines
3.3 KiB
YAML
{{- $name := "disallow-host-process" }}
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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 hostProcess
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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
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kyverno.io/kyverno-version: {{ default .Chart.AppVersion (include "kyverno-policies.kyvernoVersion" .) }}
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kyverno.io/kubernetes-version: "{{ default .Chart.KubeVersion .Values.kubeVersionOverride }}"
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policies.kyverno.io/description: >-
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Windows pods offer the ability to run HostProcess containers which enables privileged
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access to the Windows node. Privileged access to the host is disallowed in the baseline
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policy. HostProcess pods are an alpha feature as of Kubernetes v1.22. This policy ensures
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the `hostProcess` field, if present, is set to `false`.
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labels: {{ include "kyverno-policies.labels" . | nindent 4 }}
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spec:
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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-process-containers
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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 merge (index .Values "policyExclude" "host-process-containers") (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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{{- if not (quote .Values.skipBackgroundRequests | empty) }}
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skipBackgroundRequests: {{ .Values.skipBackgroundRequests }}
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{{- end }}
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validate:
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{{- with index .Values "validationFailureActionByPolicy" $name }}
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failureAction: {{ toYaml . }}
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{{- else }}
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failureAction: {{ .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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failureActionOverrides: {{ toYaml . | nindent 8 }}
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{{- end }}
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allowExistingViolations: {{ .Values.validationAllowExistingViolations }}
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message: >-
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HostProcess containers are disallowed. The fields spec.securityContext.windowsOptions.hostProcess,
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spec.containers[*].securityContext.windowsOptions.hostProcess, spec.initContainers[*].securityContext.windowsOptions.hostProcess,
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and spec.ephemeralContainers[*].securityContext.windowsOptions.hostProcess must either be undefined
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or set to `false`.
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pattern:
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spec:
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=(ephemeralContainers):
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- =(securityContext):
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=(windowsOptions):
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=(hostProcess): "false"
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=(initContainers):
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- =(securityContext):
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=(windowsOptions):
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=(hostProcess): "false"
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containers:
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- =(securityContext):
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=(windowsOptions):
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=(hostProcess): "false"
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{{- end }}
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