Merge pull request #6 from 3dinfluence/rbac_support

Update provided manifests to support a service account and RBAC

kured-ds.yaml

@@ -1,3 +1,10 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: kured
+  namespace: kube-system
+---
 apiVersion: extensions/v1beta1
 kind: DaemonSet
 metadata:
@@ -9,6 +16,7 @@ spec:
       labels:
         name: kured
     spec:
+      serviceAccountName: kured
       containers:
         - name: kured
           image: quay.io/weaveworks/kured

kured-rbac.yaml

@@ -0,0 +1,72 @@
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: kured
+rules:
+# Allow kured to read spec.unschedulable
+# Allow kubectl to drain/uncordon
+#
+# NB: These permissions are tightly coupled to the bundled version of kubectl; the ones below
+# match https://github.com/kubernetes/kubernetes/blob/v1.9.6/pkg/kubectl/cmd/drain.go
+#
+- apiGroups: [""]
+  resources: ["nodes"]
+  verbs:     ["get", "patch"]
+- apiGroups: [""]
+  resources: ["pods"]
+  verbs:     ["list"]
+- apiGroups: [""]
+  resources: ["replicationcontrollers"]
+  verbs:     ["get"]
+- apiGroups: ["apps"]
+  resources: ["statefulsets"]
+  verbs:     ["get"]
+- apiGroups: ["extensions"]
+  resources: ["daemonsets", "replicasets"]
+  verbs:     ["get"]
+- apiGroups: ["batch"]
+  resources: ["jobs"]
+  verbs:     ["get"]
+- apiGroups: [""]
+  resources: ["pods/eviction"]
+  verbs:     ["create"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: kured
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: kured
+subjects:
+- kind: ServiceAccount
+  name: kured
+  namespace: kube-system
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  namespace: kube-system
+  name: kured
+rules:
+# Allow kured to lock/unlock itself
+- apiGroups:     ["extensions"]
+  resources:     ["daemonsets"]
+  resourceNames: ["kured"]
+  verbs:         ["update"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  namespace: kube-system
+  name: kured
+subjects:
+- kind: ServiceAccount
+  namespace: kube-system
+  name: kured
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: kured