First version of ThingsBoard IoT Platform - an Aether edge app

Change-Id: Ia94164fb6ec9b1f2a31668b0e419f05e72eac27c
diff --git a/apps/thingsboard-iot-platform/templates/_helpers.tpl b/apps/thingsboard-iot-platform/templates/_helpers.tpl
new file mode 100644
index 0000000..8591fda
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+++ b/apps/thingsboard-iot-platform/templates/_helpers.tpl
@@ -0,0 +1,88 @@
+{{- /*
+
+# Copyright 2020-present Open Networking Foundation
+#
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+
+*/ -}}
+
+{{/*
+Renders a set of standardised labels
+*/}}
+{{- define "thingsboard-iot-platform.metadata_labels" -}}
+{{- $application := index . 0 -}}
+{{- $context := index . 1 -}}
+release: {{ $context.Release.Name }}
+app: {{ $application }}
+{{- end -}}
+
+{{/*
+Render the given template.
+*/}}
+{{- define "thingsboard-iot-platform.template" -}}
+{{- $name := index . 0 -}}
+{{- $context := index . 1 -}}
+{{- $last := base $context.Template.Name }}
+{{- $wtf := $context.Template.Name | replace $last $name -}}
+{{ include $wtf $context }}
+{{- end -}}
+
+{{/*
+Render ServiceAccount, Role, and RoleBinding required for kubernetes-entrypoint.
+*/}}
+{{- define "thingsboard-iot-platform.service_account" -}}
+{{- $context := index . 1 -}}
+{{- $saName := index . 0 -}}
+{{- $saNamespace := $context.Release.Namespace }}
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ $saName }}
+  namespace: {{ $saNamespace }}
+  labels:
+{{ tuple $saName $context | include "thingsboard-iot-platform.metadata_labels" | indent 4 }}
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: RoleBinding
+metadata:
+  name: {{ $saName }}
+  namespace: {{ $saNamespace }}
+  labels:
+{{ tuple $saName $context | include "thingsboard-iot-platform.metadata_labels" | indent 4 }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: {{ $saName }}
+subjects:
+  - kind: ServiceAccount
+    name: {{ $saName }}
+    namespace: {{ $saNamespace }}
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: Role
+metadata:
+  name: {{ $saName }}
+  namespace: {{ $saNamespace }}
+  labels:
+{{ tuple $saName $context | include "thingsboard-iot-platform.metadata_labels" | indent 4 }}
+rules:
+  - apiGroups:
+      - ""
+      - extensions
+      - batch
+      - apps
+    verbs:
+      - get
+      - list
+      - patch
+    resources:
+      - statefulsets
+      - daemonsets
+      - jobs
+      - pods
+      - services
+      - endpoints
+      - configmaps
+{{- end -}}
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