[EDGEPOD-160] Add google application for Aether

Change-Id: Idaa77616aa3f83a29372c5754c431d4c4ac1c661
diff --git a/aether-apps/google-phylo/templates/_helpers.tpl b/aether-apps/google-phylo/templates/_helpers.tpl
new file mode 100644
index 0000000..bf90988
--- /dev/null
+++ b/aether-apps/google-phylo/templates/_helpers.tpl
@@ -0,0 +1,94 @@
+{{- /*
+# Copyright 2020-present Open Networking Foundation
+#
+# 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.
+*/ -}}
+
+{{/*
+Renders a set of standardised labels
+*/}}
+{{- define "phylo.metadata_labels" -}}
+{{- $application := index . 0 -}}
+{{- $context := index . 1 -}}
+release: {{ $context.Release.Name }}
+app: {{ $application }}
+{{- end -}}
+
+{{/*
+Render the given template.
+*/}}
+{{- define "phylo.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 "phylo.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 "phylo.metadata_labels" | indent 4 }}
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: RoleBinding
+metadata:
+  name: {{ $saName }}
+  namespace: {{ $saNamespace }}
+  labels:
+{{ tuple $saName $context | include "phylo.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 "phylo.metadata_labels" | indent 4 }}
+rules:
+  - apiGroups:
+      - ""
+      - extensions
+      - batch
+      - apps
+    verbs:
+      - get
+      - list
+    resources:
+      - statefulsets
+      - daemonsets
+      - jobs
+      - pods
+      - services
+      - endpoints
+      - configmaps
+{{- end -}}