Upgrade JetStack Cert-Manager to v0.15.2 (#6414)

* Upgrade JetStack Cert-Manager to v0.15.2

* Add README.md table of contents

roles/kubernetes-apps/ingress_controller/cert_manager/templates/role-cert-manager.yml.j2

@@ -0,0 +1,85 @@
+# Copyright YEAR The Jetstack cert-manager contributors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: Role
+metadata:
+  name: cert-manager-cainjector:leaderelection
+  namespace: kube-system
+  labels:
+    app: cainjector
+    app.kubernetes.io/name: cainjector
+    app.kubernetes.io/instance: cert-manager
+    app.kubernetes.io/managed-by: Helm
+    app.kubernetes.io/component: cainjector
+    helm.sh/chart: cert-manager-{{ cert_manager_version }}
+rules:
+  # Used for leader election by the controller
+  # cert-manager-cainjector-leader-election is used by the CertificateBased injector controller
+  #   see cmd/cainjector/start.go#L113
+  # cert-manager-cainjector-leader-election-core is used by the SecretBased injector controller
+  #   see cmd/cainjector/start.go#L137
+  - apiGroups: [""]
+    resources: ["configmaps"]
+    resourceNames: ["cert-manager-cainjector-leader-election", "cert-manager-cainjector-leader-election-core"]
+    verbs: ["get", "update", "patch"]
+  - apiGroups: [""]
+    resources: ["configmaps"]
+    verbs: ["create"]
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: Role
+metadata:
+  name: cert-manager:leaderelection
+  namespace: kube-system
+  labels:
+    app: cert-manager
+    app.kubernetes.io/name: cert-manager
+    app.kubernetes.io/instance: cert-manager
+    app.kubernetes.io/managed-by: Helm
+    app.kubernetes.io/component: controller
+    helm.sh/chart: cert-manager-{{ cert_manager_version }}
+rules:
+  # Used for leader election by the controller
+  - apiGroups: [""]
+    resources: ["configmaps"]
+    resourceNames: ["cert-manager-controller"]
+    verbs: ["get", "update", "patch"]
+  - apiGroups: [""]
+    resources: ["configmaps"]
+    verbs: ["create"]
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: Role
+metadata:
+  name: cert-manager-webhook:dynamic-serving
+  namespace: {{ cert_manager_namespace }}
+  labels:
+    app: webhook
+    app.kubernetes.io/name: webhook
+    app.kubernetes.io/instance: cert-manager
+    app.kubernetes.io/managed-by: Helm
+    app.kubernetes.io/component: webhook
+    helm.sh/chart: cert-manager-{{ cert_manager_version }}
+rules:
+- apiGroups: [""]
+  resources: ["secrets"]
+  resourceNames:
+  - 'cert-manager-webhook-ca'
+  verbs: ["get", "list", "watch", "update"]
+# It's not possible to grant CREATE permission on a single resourceName.
+- apiGroups: [""]
+  resources: ["secrets"]
+  verbs: ["create"]