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kyverno/charts/kyverno-policies/templates/baseline/restrict-seccomp.yaml
Matthias Weilinger bb3e7d9ddc
add allowExistingViolations option in policy chart (#11656)
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>
2024-12-02 09:20:26 +05:30

79 lines
3.3 KiB
YAML

{{- $name := "restrict-seccomp" }}
{{- if eq (include "kyverno-policies.podSecurityBaseline" (merge (dict "name" $name) .)) "true" }}
apiVersion: kyverno.io/v1
kind: {{ .Values.policyKind }}
metadata:
name: {{ $name }}
annotations:
{{- with .Values.autogenControllers }}
pod-policies.kyverno.io/autogen-controllers: {{ . }}
{{- end }}
policies.kyverno.io/title: Restrict Seccomp
policies.kyverno.io/category: Pod Security Standards (Baseline)
{{- if .Values.podSecuritySeverity }}
policies.kyverno.io/severity: {{ .Values.podSecuritySeverity }}
{{- end }}
policies.kyverno.io/subject: Pod
kyverno.io/kyverno-version: {{ default .Chart.AppVersion (include "kyverno-policies.kyvernoVersion" .) }}
kyverno.io/kubernetes-version: "{{ default .Chart.KubeVersion .Values.kubeVersionOverride }}"
policies.kyverno.io/description: >-
The seccomp profile must not be explicitly set to Unconfined. This policy,
requiring Kubernetes v1.19 or later, ensures that seccomp is unset or
set to `RuntimeDefault` or `Localhost`.
labels: {{ include "kyverno-policies.labels" . | nindent 4 }}
spec:
background: {{ .Values.background }}
failurePolicy: {{ .Values.failurePolicy }}
rules:
- name: check-seccomp
match:
any:
- resources:
kinds:
- Pod
{{- with merge (index .Values "policyExclude" "check-seccomp") (index .Values "policyExclude" $name) }}
exclude:
{{- toYaml . | nindent 8 }}
{{- end }}
{{- with index .Values "policyPreconditions" $name }}
preconditions:
{{- toYaml . | nindent 8 }}
{{- end }}
{{- if not (quote .Values.skipBackgroundRequests | empty) }}
skipBackgroundRequests: {{ .Values.skipBackgroundRequests }}
{{- end }}
validate:
{{- with index .Values "validationFailureActionByPolicy" $name }}
failureAction: {{ toYaml . }}
{{- else }}
failureAction: {{ .Values.validationFailureAction }}
{{- end }}
{{- with concat (index .Values "validationFailureActionOverrides" "all") (default list (index .Values "validationFailureActionOverrides" $name)) }}
failureActionOverrides: {{ toYaml . | nindent 8 }}
{{- end }}
allowExistingViolations: {{ .Values.validationAllowExistingViolations }}
message: >-
Use of custom Seccomp profiles is disallowed. The fields
spec.securityContext.seccompProfile.type,
spec.containers[*].securityContext.seccompProfile.type,
spec.initContainers[*].securityContext.seccompProfile.type, and
spec.ephemeralContainers[*].securityContext.seccompProfile.type
must be unset or set to `RuntimeDefault` or `Localhost`.
pattern:
spec:
=(securityContext):
=(seccompProfile):
=(type): "RuntimeDefault | Localhost"
=(ephemeralContainers):
- =(securityContext):
=(seccompProfile):
=(type): "RuntimeDefault | Localhost"
=(initContainers):
- =(securityContext):
=(seccompProfile):
=(type): "RuntimeDefault | Localhost"
containers:
- =(securityContext):
=(seccompProfile):
=(type): "RuntimeDefault | Localhost"
{{- end }}