[COMMON] Templates for services accounts and roles

Create a common chart that will create the relevant service accounts /
roles and role binding for ONAP components.

Issue-ID: OOM-1971
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: I687ef6debe679b5f7f250d75d93ee4da84d97104

6 files changed, 227 insertions, 0 deletions

diff --git a/kubernetes/common/serviceAccount/Chart.yaml b/kubernetes/common/serviceAccount/Chart.yaml
new file mode 100644
index 0000000000..9e838af3a7
--- /dev/null
+++ b/kubernetes/common/serviceAccount/Chart.yaml
@@ -0,0 +1,18 @@
+# Copyright © 2017 Amdocs, Bell Canada
+#
+# 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: Template used to create the right Service Accounts / Role / RoleBinding
+name: serviceAccount
+version: 6.0.0
diff --git a/kubernetes/common/serviceAccount/requirements.yaml b/kubernetes/common/serviceAccount/requirements.yaml
new file mode 100644
index 0000000000..237f1d1354
--- /dev/null
+++ b/kubernetes/common/serviceAccount/requirements.yaml
@@ -0,0 +1,18 @@
+# Copyright © 2018 Amdocs, Bell Canada
+#
+# 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: ~6.x-0
+    repository: 'file://../common'
diff --git a/kubernetes/common/serviceAccount/templates/role-binding.yaml b/kubernetes/common/serviceAccount/templates/role-binding.yaml
new file mode 100644
index 0000000000..2082f8466b
--- /dev/null
+++ b/kubernetes/common/serviceAccount/templates/role-binding.yaml
@@ -0,0 +1,33 @@
+{{/*
+# 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
+# This cluster role binding allows anyone in the "manager" group to read secrets in any namespace.
+kind: RoleBinding
+metadata:
+  name: {{ include "common.fullname" (dict "suffix" $role_type "dot" $dot )}}
+  namespace: {{ include "common.namespace" $dot }}
+subjects:
+- kind: ServiceAccount
+  name: {{ include "common.fullname" (dict "suffix" $role_type "dot" $dot )}}
+roleRef:
+  kind: Role
+  name: {{ include "common.fullname" (dict "suffix" $role_type "dot" $dot )}}
+  apiGroup: rbac.authorization.k8s.io
+{{- end }}
diff --git a/kubernetes/common/serviceAccount/templates/role.yaml b/kubernetes/common/serviceAccount/templates/role.yaml
new file mode 100644
index 0000000000..73f45b5fce
--- /dev/null
+++ b/kubernetes/common/serviceAccount/templates/role.yaml
@@ -0,0 +1,105 @@
+{{/*
+# 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: {{ include "common.fullname" (dict "suffix" $role_type "dot" $dot )}}
+  namespace: {{ include "common.namespace" $dot }}
+rules:
+{{- if eq $role_type "read" }}
+- apiGroups:
+  - "" # "" indicates the core API group
+  - apps
+  - batch
+  resources:
+  - pods
+  - deployments
+  - jobs
+  - jobs/status
+  - statefulsets
+  - replicasets
+  - daemonsets
+  verbs:
+  - get
+  - watch
+  - list
+{{- else  }}
+{{-   if eq $role_type "create" }}
+- apiGroups:
+  - "" # "" indicates the core API group
+  - apps
+  - batch
+  resources:
+  - pods
+  - deployments
+  - jobs
+  - jobs/status
+  - statefulsets
+  - replicasets
+  - 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 hasKey $dot.Values.new_roles_definitions $role_type  }}
+{{ include "common.tplValue" ( dict "value" (index $dot.Values.new_roles_definitions $role_type ) "context" $dot) }}
+{{-     else}}
+# if you don't match read or create, then you're not allowed to use API
+- apiGroups: []
+  resources: []
+  verbs: []
+{{-     end }}
+{{-   end }}
+{{- end }}
+{{- end }}
diff --git a/kubernetes/common/serviceAccount/templates/service-account.yaml b/kubernetes/common/serviceAccount/templates/service-account.yaml
new file mode 100644
index 0000000000..449bea684c
--- /dev/null
+++ b/kubernetes/common/serviceAccount/templates/service-account.yaml
@@ -0,0 +1,24 @@
+{{/*
+# 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: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "common.fullname" (dict "suffix" $role_type "dot" $dot )}}
+{{- end }}
diff --git a/kubernetes/common/serviceAccount/values.yaml b/kubernetes/common/serviceAccount/values.yaml
new file mode 100644
index 0000000000..afa819421c
--- /dev/null
+++ b/kubernetes/common/serviceAccount/values.yaml
@@ -0,0 +1,29 @@
+# Copyright © 2020 Samsung Electronics
+#
+# 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
+
+new_roles_definitions: {}
+#  few-read:
+#    - apiGroups:
+#        -  ""
+#      resources:
+#        - "pods"
+#      verbs:
+#        - "get"
+#        - "watch"
+#        - "list"