[COMMON][ROLES] Create default roles once

Instead of creating all roles every time with service account chart,
let's just create the specific ones for a chart and point to default one
for the three default roles.
In order to lighten serviceAccount chart, whole logic for default role
creation is in `roles-wrapper`.

Issue-ID: OOM-2729
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: Ib4d6a2669ca7d747320a4bccb65aac863eb60956

4 files changed, 164 insertions, 0 deletions

diff --git a/kubernetes/common/roles-wrapper/Chart.yaml b/kubernetes/common/roles-wrapper/Chart.yaml
new file mode 100644
index 0000000000..862773fc87
--- /dev/null
+++ b/kubernetes/common/roles-wrapper/Chart.yaml
@@ -0,0 +1,18 @@
+# Copyright © 2021 Orange
+#
+# 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: v1
+description: Wrapper chart to allow default roles to be shared among onap instances
+name: roles-wrapper
+version: 8.0.0
diff --git a/kubernetes/common/roles-wrapper/requirements.yaml b/kubernetes/common/roles-wrapper/requirements.yaml
new file mode 100644
index 0000000000..b2d51ef925
--- /dev/null
+++ b/kubernetes/common/roles-wrapper/requirements.yaml
@@ -0,0 +1,18 @@
+# Copyright © 2021 Orange
+#
+# 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.
+
+dependencies:
+  - name: common
+    version: ~8.x-0
+    repository: 'file://../common'
diff --git a/kubernetes/common/roles-wrapper/templates/role.yaml b/kubernetes/common/roles-wrapper/templates/role.yaml
new file mode 100644
index 0000000000..e2a84b4151
--- /dev/null
+++ b/kubernetes/common/roles-wrapper/templates/role.yaml
@@ -0,0 +1,110 @@
+{{/*
+# Copyright © 2020 Orange
+#
+# 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.
+*/}}
+
+{{- $dot := . -}}
+{{- range $role_type := $dot.Values.roles }}
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: {{ printf "%s-%s" (include "common.release" $dot) $role_type }}
+  namespace: {{ include "common.namespace" $dot }}
+rules:
+{{-   if eq $role_type "read" }}
+- apiGroups:
+  - "" # "" indicates the core API group
+  - apps
+  - batch
+  - extensions
+  resources:
+  - pods
+  - deployments
+  - jobs
+  - jobs/status
+  - statefulsets
+  - replicasets
+  - replicasets/status
+  - daemonsets
+  verbs:
+  - get
+  - watch
+  - list
+{{-   else  }}
+{{-     if eq $role_type "create" }}
+- apiGroups:
+  - "" # "" indicates the core API group
+  - apps
+  - batch
+  - extensions
+  resources:
+  - pods
+  - deployments
+  - jobs
+  - jobs/status
+  - statefulsets
+  - replicasets
+  - replicasets/status
+  - daemonsets
+  - secrets
+  verbs:
+  - get
+  - watch
+  - list
+- apiGroups:
+  - "" # "" indicates the core API group
+  - apps
+  resources:
+  - statefulsets
+  verbs:
+  - patch
+- apiGroups:
+  - "" # "" indicates the core API group
+  - apps
+  resources:
+  - deployments
+  - secrets
+  verbs:
+  - create
+- apiGroups:
+  - "" # "" indicates the core API group
+  - apps
+  resources:
+  - pods
+  - persistentvolumeclaims
+  - secrets
+  - deployment
+  verbs:
+  - delete
+- apiGroups:
+  - "" # "" indicates the core API group
+  - apps
+  resources:
+  - pods/exec
+  verbs:
+  - create
+{{-     else }}
+# if you don't match read or create, then you're not allowed to use API
+# except to see basic information about yourself
+- apiGroups:
+  - authorization.k8s.io
+  resources:
+  - selfsubjectaccessreviews
+  - selfsubjectrulesreviews
+  verbs:
+  - create
+{{-     end }}
+{{-   end }}
+{{- end }}
diff --git a/kubernetes/common/roles-wrapper/values.yaml b/kubernetes/common/roles-wrapper/values.yaml
new file mode 100644
index 0000000000..8a53d7d733
--- /dev/null
+++ b/kubernetes/common/roles-wrapper/values.yaml
@@ -0,0 +1,18 @@
+# Copyright © 2021 Orange
+#
+# 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.
+
+roles:
+  - nothing
+  - read
+  - create