charts/cert-manager/templates/rbac.yaml

{{- if .Values.global.rbac.create }}
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: {{ template "cert-manager.fullname" . }}:leaderelection
  namespace: {{ .Values.global.leaderElection.namespace }}
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "controller"
    {{- include "labels" . | nindent 4 }}
rules:
  - apiGroups: ["coordination.k8s.io"]
    resources: ["leases"]
    resourceNames: ["cert-manager-controller"]
    verbs: ["get", "update", "patch"]
  - apiGroups: ["coordination.k8s.io"]
    resources: ["leases"]
    verbs: ["create"]

---

# grant cert-manager permission to manage the leaderelection configmap in the
# leader election namespace
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  name: {{ include "cert-manager.fullname" . }}:leaderelection
  namespace: {{ .Values.global.leaderElection.namespace }}
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "controller"
    {{- include "labels" . | nindent 4 }}
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: {{ template "cert-manager.fullname" . }}:leaderelection
subjects:
  - kind: ServiceAccount
    name: {{ template "cert-manager.serviceAccountName" . }}
    namespace: {{ include "cert-manager.namespace" . }}

---

# Issuer controller role
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: {{ template "cert-manager.fullname" . }}-controller-issuers
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "controller"
    {{- include "labels" . | nindent 4 }}
rules:
  - apiGroups: ["cert-manager.io"]
    resources: ["issuers", "issuers/status"]
    verbs: ["update", "patch"]
  - apiGroups: ["cert-manager.io"]
    resources: ["issuers"]
    verbs: ["get", "list", "watch"]
  - apiGroups: [""]
    resources: ["secrets"]
    verbs: ["get", "list", "watch", "create", "update", "delete"]
  - apiGroups: [""]
    resources: ["events"]
    verbs: ["create", "patch"]
---

# ClusterIssuer controller role
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: {{ template "cert-manager.fullname" . }}-controller-clusterissuers
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "controller"
    {{- include "labels" . | nindent 4 }}
rules:
  - apiGroups: ["cert-manager.io"]
    resources: ["clusterissuers", "clusterissuers/status"]
    verbs: ["update", "patch"]
  - apiGroups: ["cert-manager.io"]
    resources: ["clusterissuers"]
    verbs: ["get", "list", "watch"]
  - apiGroups: [""]
    resources: ["secrets"]
    verbs: ["get", "list", "watch", "create", "update", "delete"]
  - apiGroups: [""]
    resources: ["events"]
    verbs: ["create", "patch"]

---

# Certificates controller role
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: {{ template "cert-manager.fullname" . }}-controller-certificates
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "controller"
    {{- include "labels" . | nindent 4 }}
rules:
  - apiGroups: ["cert-manager.io"]
    resources: ["certificates", "certificates/status", "certificaterequests", "certificaterequests/status"]
    verbs: ["update", "patch"]
  - apiGroups: ["cert-manager.io"]
    resources: ["certificates", "certificaterequests", "clusterissuers", "issuers"]
    verbs: ["get", "list", "watch"]
  # We require these rules to support users with the OwnerReferencesPermissionEnforcement
  # admission controller enabled:
  # https://kubernetes.io/docs/reference/access-authn-authz/admission-controllers/#ownerreferencespermissionenforcement
  - apiGroups: ["cert-manager.io"]
    resources: ["certificates/finalizers", "certificaterequests/finalizers"]
    verbs: ["update"]
  - apiGroups: ["acme.cert-manager.io"]
    resources: ["orders"]
    verbs: ["create", "delete", "get", "list", "watch"]
  - apiGroups: [""]
    resources: ["secrets"]
    verbs: ["get", "list", "watch", "create", "update", "delete", "patch"]
  - apiGroups: [""]
    resources: ["events"]
    verbs: ["create", "patch"]

---

# Orders controller role
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: {{ template "cert-manager.fullname" . }}-controller-orders
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "controller"
    {{- include "labels" . | nindent 4 }}
rules:
  - apiGroups: ["acme.cert-manager.io"]
    resources: ["orders", "orders/status"]
    verbs: ["update", "patch"]
  - apiGroups: ["acme.cert-manager.io"]
    resources: ["orders", "challenges"]
    verbs: ["get", "list", "watch"]
  - apiGroups: ["cert-manager.io"]
    resources: ["clusterissuers", "issuers"]
    verbs: ["get", "list", "watch"]
  - apiGroups: ["acme.cert-manager.io"]
    resources: ["challenges"]
    verbs: ["create", "delete"]
  # We require these rules to support users with the OwnerReferencesPermissionEnforcement
  # admission controller enabled:
  # https://kubernetes.io/docs/reference/access-authn-authz/admission-controllers/#ownerreferencespermissionenforcement
  - apiGroups: ["acme.cert-manager.io"]
    resources: ["orders/finalizers"]
    verbs: ["update"]
  - apiGroups: ["cert-manager.io"]
    resources: ["clusterissuers/finalizers", "issuers/finalizers"]
    verbs: ["update"]
  - apiGroups: [""]
    resources: ["secrets"]
    verbs: ["get", "list", "watch"]
  - apiGroups: [""]
    resources: ["events"]
    verbs: ["create", "patch"]

---

# Challenges controller role
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: {{ template "cert-manager.fullname" . }}-controller-challenges
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "controller"
    {{- include "labels" . | nindent 4 }}
rules:
  # Use to update challenge resource status
  - apiGroups: ["acme.cert-manager.io"]
    resources: ["challenges", "challenges/status"]
    verbs: ["update", "patch"]
  # Used to watch challenge resources
  - apiGroups: ["acme.cert-manager.io"]
    resources: ["challenges"]
    verbs: ["get", "list", "watch"]
  # Used to watch challenges, issuer and clusterissuer resources
  - apiGroups: ["cert-manager.io"]
    resources: ["issuers", "clusterissuers"]
    verbs: ["get", "list", "watch"]
  # Need to be able to retrieve ACME account private key to complete challenges
  - apiGroups: [""]
    resources: ["secrets"]
    verbs: ["get", "list", "watch"]
  # Used to create events
  - apiGroups: [""]
    resources: ["events"]
    verbs: ["create", "patch"]
  # HTTP01 rules
  - apiGroups: [""]
    resources: ["pods", "services"]
    verbs: ["get", "list", "watch", "create", "delete"]
  - apiGroups: ["networking.k8s.io"]
    resources: ["ingresses"]
    verbs: ["get", "list", "watch", "create", "delete", "update"]
  - apiGroups: ["gateway.networking.k8s.io"]
    resources: ["httproutes"]
    verbs: ["get", "list", "watch", "create", "delete", "update"]
  # We require the ability to specify a custom hostname when we are creating
  # new ingress resources.
  # See: https://github.com/openshift/origin/blob/21f191775636f9acadb44fa42beeb4f75b255532/pkg/route/apiserver/admission/ingress_admission.go#L84-L148
  - apiGroups: ["route.openshift.io"]
    resources: ["routes/custom-host"]
    verbs: ["create"]
  # We require these rules to support users with the OwnerReferencesPermissionEnforcement
  # admission controller enabled:
  # https://kubernetes.io/docs/reference/access-authn-authz/admission-controllers/#ownerreferencespermissionenforcement
  - apiGroups: ["acme.cert-manager.io"]
    resources: ["challenges/finalizers"]
    verbs: ["update"]
  # DNS01 rules (duplicated above)
  - apiGroups: [""]
    resources: ["secrets"]
    verbs: ["get", "list", "watch"]

---

# ingress-shim controller role
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: {{ template "cert-manager.fullname" . }}-controller-ingress-shim
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "controller"
    {{- include "labels" . | nindent 4 }}
rules:
  - apiGroups: ["cert-manager.io"]
    resources: ["certificates", "certificaterequests"]
    verbs: ["create", "update", "delete"]
  - apiGroups: ["cert-manager.io"]
    resources: ["certificates", "certificaterequests", "issuers", "clusterissuers"]
    verbs: ["get", "list", "watch"]
  - apiGroups: ["networking.k8s.io"]
    resources: ["ingresses"]
    verbs: ["get", "list", "watch"]
  # We require these rules to support users with the OwnerReferencesPermissionEnforcement
  # admission controller enabled:
  # https://kubernetes.io/docs/reference/access-authn-authz/admission-controllers/#ownerreferencespermissionenforcement
  - apiGroups: ["networking.k8s.io"]
    resources: ["ingresses/finalizers"]
    verbs: ["update"]
  - apiGroups: ["gateway.networking.k8s.io"]
    resources: ["gateways", "httproutes", "listenersets"]
    verbs: ["get", "list", "watch"]
  - apiGroups: ["gateway.networking.k8s.io"]
    resources: ["gateways/finalizers", "httproutes/finalizers", "listenersets/finalizers"]
    verbs: ["update"]
  - apiGroups: [""]
    resources: ["events"]
    verbs: ["create", "patch"]

---

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: {{ template "cert-manager.fullname" . }}-controller-issuers
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "controller"
    {{- include "labels" . | nindent 4 }}
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: {{ template "cert-manager.fullname" . }}-controller-issuers
subjects:
  - name: {{ template "cert-manager.serviceAccountName" . }}
    namespace: {{ include "cert-manager.namespace" . }}
    kind: ServiceAccount

---

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: {{ template "cert-manager.fullname" . }}-controller-clusterissuers
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "controller"
    {{- include "labels" . | nindent 4 }}
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: {{ template "cert-manager.fullname" . }}-controller-clusterissuers
subjects:
  - name: {{ template "cert-manager.serviceAccountName" . }}
    namespace: {{ include "cert-manager.namespace" . }}
    kind: ServiceAccount

---

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: {{ template "cert-manager.fullname" . }}-controller-certificates
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "controller"
    {{- include "labels" . | nindent 4 }}
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: {{ template "cert-manager.fullname" . }}-controller-certificates
subjects:
  - name: {{ template "cert-manager.serviceAccountName" . }}
    namespace: {{ include "cert-manager.namespace" . }}
    kind: ServiceAccount

---

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: {{ template "cert-manager.fullname" . }}-controller-orders
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "controller"
    {{- include "labels" . | nindent 4 }}
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: {{ template "cert-manager.fullname" . }}-controller-orders
subjects:
  - name: {{ template "cert-manager.serviceAccountName" . }}
    namespace: {{ include "cert-manager.namespace" . }}
    kind: ServiceAccount

---

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: {{ template "cert-manager.fullname" . }}-controller-challenges
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "controller"
    {{- include "labels" . | nindent 4 }}
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: {{ template "cert-manager.fullname" . }}-controller-challenges
subjects:
  - name: {{ template "cert-manager.serviceAccountName" . }}
    namespace: {{ include "cert-manager.namespace" . }}
    kind: ServiceAccount

---

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: {{ template "cert-manager.fullname" . }}-controller-ingress-shim
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "controller"
    {{- include "labels" . | nindent 4 }}
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: {{ template "cert-manager.fullname" . }}-controller-ingress-shim
subjects:
  - name: {{ template "cert-manager.serviceAccountName" . }}
    namespace: {{ include "cert-manager.namespace" . }}
    kind: ServiceAccount

{{- if .Values.global.rbac.aggregateClusterRoles }}
---

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: {{ template "cert-manager.fullname" . }}-cluster-view
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "controller"
    {{- include "labels" . | nindent 4 }}
    rbac.authorization.k8s.io/aggregate-to-cluster-reader: "true"
rules:
  - apiGroups: ["cert-manager.io"]
    resources: ["clusterissuers"]
    verbs: ["get", "list", "watch"]

{{- end }}
---

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: {{ template "cert-manager.fullname" . }}-view
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "controller"
    {{- include "labels" . | nindent 4 }}
    {{- if .Values.global.rbac.aggregateClusterRoles }}
    rbac.authorization.k8s.io/aggregate-to-view: "true"
    rbac.authorization.k8s.io/aggregate-to-edit: "true"
    rbac.authorization.k8s.io/aggregate-to-admin: "true"
    rbac.authorization.k8s.io/aggregate-to-cluster-reader: "true"
    {{- end }}
rules:
  - apiGroups: ["cert-manager.io"]
    resources: ["certificates", "certificaterequests", "issuers"]
    verbs: ["get", "list", "watch"]
  - apiGroups: ["acme.cert-manager.io"]
    resources: ["challenges", "orders"]
    verbs: ["get", "list", "watch"]


---

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: {{ template "cert-manager.fullname" . }}-edit
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "controller"
    {{- include "labels" . | nindent 4 }}
    {{- if .Values.global.rbac.aggregateClusterRoles }}
    rbac.authorization.k8s.io/aggregate-to-edit: "true"
    rbac.authorization.k8s.io/aggregate-to-admin: "true"
    {{- end }}
rules:
  - apiGroups: ["cert-manager.io"]
    resources: ["certificates", "certificaterequests", "issuers"]
    verbs: ["create", "delete", "deletecollection", "patch", "update"]
  - apiGroups: ["cert-manager.io"]
    resources: ["certificates/status"]
    verbs: ["update"]
  {{- /*
    Challenge and Order resources are not intended to be created by users
    (GHSA-8rvj-mm4h-c258).

    Challenges: "create" is excluded because a user-created Challenge with
    attacker-controlled spec.solver can exfiltrate ClusterIssuer credentials
    cross-namespace. "patch" and "update" are retained because spec is
    immutable after creation (ValidateChallengeUpdate) so they cannot change
    solver config, and because users need them to remove stuck finalizers
    (see cert-manager/cert-manager#3851, cert-manager/cert-manager#3870).

    Orders: "create", "patch", and "update" are excluded because a user
    who can update an Order can change spec.issuerRef to reference a
    different ClusterIssuer, then delete the Challenge; the Orders
    controller recreates the Challenge with the attacker-chosen Issuer's
    solver config, exfiltrating its credentials.
  */}}
  - apiGroups: ["acme.cert-manager.io"]
    resources: ["challenges"]
    verbs: ["delete", "deletecollection", "patch", "update"]
  - apiGroups: ["acme.cert-manager.io"]
    resources: ["orders"]
    verbs: ["delete", "deletecollection"]

---

{{- if not .Values.disableAutoApproval -}}

# Permission to approve CertificateRequests referencing cert-manager.io Issuers and ClusterIssuers
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: {{ template "cert-manager.fullname" . }}-controller-approve:cert-manager-io
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "cert-manager"
    {{- include "labels" . | nindent 4 }}
rules:
  - apiGroups: ["cert-manager.io"]
    resources: ["signers"]
    verbs: ["approve"]
    {{- with .Values.approveSignerNames }}
    resourceNames:
    {{- range . }}
    - {{ . | quote }}
    {{- end  }}
    {{- end }}

---

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: {{ template "cert-manager.fullname" . }}-controller-approve:cert-manager-io
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "cert-manager"
    {{- include "labels" . | nindent 4 }}
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: {{ template "cert-manager.fullname" . }}-controller-approve:cert-manager-io
subjects:
  - name: {{ template "cert-manager.serviceAccountName" . }}
    namespace: {{ include "cert-manager.namespace" . }}
    kind: ServiceAccount

---

{{- end -}}

# Permission to:
# - Update and sign CertificateSigningRequests referencing cert-manager.io Issuers and ClusterIssuers
# - Perform SubjectAccessReviews to test whether users are able to reference Namespaced Issuers
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: {{ template "cert-manager.fullname" . }}-controller-certificatesigningrequests
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "cert-manager"
    {{- include "labels" . | nindent 4 }}
rules:
  - apiGroups: ["certificates.k8s.io"]
    resources: ["certificatesigningrequests"]
    verbs: ["get", "list", "watch", "update"]
  - apiGroups: ["certificates.k8s.io"]
    resources: ["certificatesigningrequests/status"]
    verbs: ["update", "patch"]
  - apiGroups: ["certificates.k8s.io"]
    resources: ["signers"]
    resourceNames: ["issuers.cert-manager.io/*", "clusterissuers.cert-manager.io/*"]
    verbs: ["sign"]
  - apiGroups: ["authorization.k8s.io"]
    resources: ["subjectaccessreviews"]
    verbs: ["create"]

---

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: {{ template "cert-manager.fullname" . }}-controller-certificatesigningrequests
  labels:
    app: {{ include "cert-manager.name" . }}
    app.kubernetes.io/name: {{ include "cert-manager.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "cert-manager"
    {{- include "labels" . | nindent 4 }}
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: {{ template "cert-manager.fullname" . }}-controller-certificatesigningrequests
subjects:
  - name: {{ template "cert-manager.serviceAccountName" . }}
    namespace: {{ include "cert-manager.namespace" . }}
    kind: ServiceAccount
{{- end }}