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871d8ed3ca
Fixes #4317 #8568 Signed-off-by: Trey Dockendorf <tdockendorf@osc.edu> Co-authored-by: shuting <shuting@nirmata.com>
90 lines
3.6 KiB
YAML
90 lines
3.6 KiB
YAML
{{- $name := "restrict-seccomp-strict" }}
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{{- if eq (include "kyverno-policies.podSecurityRestricted" (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: Restrict Seccomp (Strict)
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policies.kyverno.io/category: Pod Security Standards (Restricted)
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{{- if .Values.podSecuritySeverity }}
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policies.kyverno.io/severity: {{ .Values.podSecuritySeverity | quote }}
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{{- end }}
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policies.kyverno.io/subject: Pod
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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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The seccomp profile in the Restricted group must not be explicitly set to Unconfined
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but additionally must also not allow an unset value. This policy,
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requiring Kubernetes v1.19 or later, ensures that seccomp is
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set to `RuntimeDefault` or `Localhost`. A known issue prevents a policy such as this
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using `anyPattern` from being persisted properly in Kubernetes 1.23.0-1.23.2.
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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: check-seccomp-strict
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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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Use of custom Seccomp profiles is disallowed. The fields
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spec.securityContext.seccompProfile.type,
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spec.containers[*].securityContext.seccompProfile.type,
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spec.initContainers[*].securityContext.seccompProfile.type, and
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spec.ephemeralContainers[*].securityContext.seccompProfile.type
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must be set to `RuntimeDefault` or `Localhost`.
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anyPattern:
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- spec:
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securityContext:
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seccompProfile:
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type: "RuntimeDefault | Localhost"
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=(ephemeralContainers):
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- =(securityContext):
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=(seccompProfile):
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=(type): "RuntimeDefault | Localhost"
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=(initContainers):
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- =(securityContext):
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=(seccompProfile):
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=(type): "RuntimeDefault | Localhost"
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containers:
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- =(securityContext):
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=(seccompProfile):
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=(type): "RuntimeDefault | Localhost"
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- spec:
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=(ephemeralContainers):
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- securityContext:
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seccompProfile:
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type: "RuntimeDefault | Localhost"
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=(initContainers):
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- securityContext:
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seccompProfile:
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type: "RuntimeDefault | Localhost"
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containers:
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- securityContext:
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seccompProfile:
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type: "RuntimeDefault | Localhost"
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{{- end }}
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