quorate/vendor/platform/kyverno/policies/tls-activation.yaml

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apiVersion: kyverno.io/v1
kind: ClusterPolicy
metadata:
name: tls-activation
spec:
validationFailureAction: Audit
background: true
rules:
- name: tls-containers
match:
any:
- resources:
kinds:
- Secret
operations:
- CREATE
- UPDATE
preconditions:
all:
- key: '{{ length(certs) }}'
operator: GreaterThan
value: 0
context:
- name: certs
variable:
jmesPath: sort_by(items(request.object.data || `{}`, 'key', 'value')[?value != '' && (contains(`["tls.crt",
"ca.crt", "ssl.cert"]`, key) || contains(base64_decode(value), '-----BEGIN CERTIFICATE-----'))], &key)
- name: pods
apiCall:
urlPath: /api/v1/namespaces/{{ request.object.metadata.namespace }}/pods
jmesPath: 'items[?status.phase != `"Succeeded"` && status.phase != `"Failed"` && (spec.volumes[?secret.secretName
== ''{{ request.object.metadata.name }}'' || contains(projected.sources[].secret.name || `[]`, ''{{ request.object.metadata.name
}}'')] || spec.[containers, initContainers][][?env[].valueFrom.secretKeyRef[?name == ''{{ request.object.metadata.name
}}''] || envFrom[].secretRef[?name == ''{{ request.object.metadata.name }}'']])].{metadata: {name: metadata.name,
ownerReferences: metadata.ownerReferences, annotations: {"certificates.quorate.internal/activation": metadata.annotations."certificates.quorate.internal/activation"}},
spec: {volumes: spec.volumes, containers: spec.containers[].{name: name, volumeMounts: volumeMounts, env:
env[].valueFrom.secretKeyRef, envFrom: envFrom[].secretRef}, initContainers: spec.initContainers[].{name:
name, volumeMounts: volumeMounts, env: env[].valueFrom.secretKeyRef, envFrom: envFrom[].secretRef}}}'
- name: deployments
apiCall:
urlPath: /apis/apps/v1/namespaces/{{ request.object.metadata.namespace }}/deployments
jmesPath: items[?spec.paused != `true`].metadata.name
- name: replicas
apiCall:
urlPath: /apis/apps/v1/namespaces/{{ request.object.metadata.namespace }}/replicasets
jmesPath: items[?metadata.ownerReferences[?kind == 'Deployment' && contains(`{{ deployments }}`, name)]].metadata.name
- name: daemonsets
apiCall:
urlPath: /apis/apps/v1/namespaces/{{ request.object.metadata.namespace }}/daemonsets
jmesPath: items[?spec.updateStrategy.type != 'OnDelete'].metadata.name
- name: statefulsets
apiCall:
urlPath: /apis/apps/v1/namespaces/{{ request.object.metadata.namespace }}/statefulsets
jmesPath: items[?spec.updateStrategy.type != 'OnDelete' && (spec.updateStrategy.rollingUpdate.partition
|| `0`) == `0`].metadata.name
validate:
message: TLS consumers need an eligible rollout controller or an explicit native reload mechanism.
foreach:
- list: pods
context:
- name: tlsVolumes
variable:
jmesPath: element0.spec.volumes[?secret.secretName == '{{ request.object.metadata.name }}' || contains(projected.sources[].secret.name
|| `[]`, '{{ request.object.metadata.name }}')].name
default: []
- name: activation
variable:
jmesPath: parse_json(element0.metadata.annotations."certificates.quorate.internal/activation" || '{}')
- name: rollout
variable:
jmesPath: length(element0.metadata.ownerReferences[?(kind == 'ReplicaSet' && contains(`{{ replicas }}`,
name)) || (kind == 'DaemonSet' && contains(`{{ daemonsets }}`, name)) || (kind == 'StatefulSet' &&
contains(`{{ statefulsets }}`, name))] || `[]`) > `0`
foreach:
- list: element.spec.[containers, initContainers][]
preconditions:
all:
- key: '{{ rollout }}'
operator: Equals
value: false
any:
- key: '{{ element.volumeMounts[].name || `[]` }}'
operator: AnyIn
value: '{{ tlsVolumes }}'
- key: '{{ element.env[].name || `[]` }}'
operator: AnyIn
value:
- '{{ request.object.metadata.name }}'
- key: '{{ element.envFrom[].name || `[]` }}'
operator: AnyIn
value:
- '{{ request.object.metadata.name }}'
deny:
conditions:
all:
- key: '{{ activation."{{ element.name }}" || `""` }}'
operator: AnyNotIn
value:
- native
- controller
message: Pod {{ element0.metadata.name }}, container {{ element.name }} has no automatic certificate
activation path.