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apiVersion: template.openshift.io/v1
kind: Template
metadata:
  name: template-service-broker-rbac
parameters:
- name: NAMESPACE
  value: openshift-template-service-broker
- name: KUBE_SYSTEM
  value: kube-system
objects:

# Grant the service account permission to call the TSB
- apiVersion: rbac.authorization.k8s.io/v1beta1
  kind: ClusterRoleBinding
  metadata:
    name: templateservicebroker-client
  roleRef:
    kind: ClusterRole
    name: system:openshift:templateservicebroker-client
  subjects:
  - kind: ServiceAccount
    namespace: ${NAMESPACE}
    name: templateservicebroker-client

# to delegate authentication and authorization
- apiVersion: rbac.authorization.k8s.io/v1beta1
  kind: ClusterRoleBinding
  metadata:
    name: auth-delegator-${NAMESPACE}
  roleRef:
    kind: ClusterRole
    name: system:auth-delegator
  subjects:
  - kind: ServiceAccount
    namespace: ${NAMESPACE}
    name: apiserver

# to have the template service broker powers
- apiVersion: rbac.authorization.k8s.io/v1beta1
  kind: ClusterRoleBinding
  metadata:
    name: tsb-${NAMESPACE}
  roleRef:
    kind: ClusterRole
    name: system:openshift:controller:template-service-broker
  subjects:
  - kind: ServiceAccount
    namespace: ${NAMESPACE}
    name: apiserver

# to read the config for terminating authentication
- apiVersion: rbac.authorization.k8s.io/v1beta1
  kind: RoleBinding
  metadata:
    namespace: ${KUBE_SYSTEM}
    name: extension-apiserver-authentication-reader-${NAMESPACE}
  roleRef:
    kind: Role
    name: extension-apiserver-authentication-reader
  subjects:
  - kind: ServiceAccount
    namespace: ${NAMESPACE}
    name: apiserver

# allow the kube service catalog's SA to read the static secret defined
# above, which will contain the token for the SA that can call the TSB.
- apiVersion: rbac.authorization.k8s.io/v1beta1
  kind: Role
  metadata:
    name: templateservicebroker-auth-reader
    namespace: ${NAMESPACE}
  rules:
  - apiGroups:
    - ""
    resourceNames:
    - templateservicebroker-client
    resources:
    - secrets
    verbs:
    - get
- apiVersion: rbac.authorization.k8s.io/v1beta1
  kind: RoleBinding
  metadata:
    namespace: ${NAMESPACE}
    name: templateservicebroker-auth-reader
  roleRef:
    kind: Role
    name: templateservicebroker-auth-reader
  subjects:
  - kind: ServiceAccount
    namespace: kube-service-catalog
    name: service-catalog-controller