Add helm chart to deploy a maven repository.

Change-Id: Id48b434a86068d929f9a5394d4b25a0bf4d15aab
diff --git a/mavenrepo/templates/_helpers.tpl b/mavenrepo/templates/_helpers.tpl
new file mode 100644
index 0000000..8d64325
--- /dev/null
+++ b/mavenrepo/templates/_helpers.tpl
@@ -0,0 +1,36 @@
+
+{{- /*
+ Copyright 2017-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.
+ */ -}}
+
+ {{- define "mavenrepo.name" -}}
+ {{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+ {{- end -}}
+
+{{- define "mavenrepo.release_labels" }}
+app: {{ printf "%s-%s" .Release.Name .Chart.Name | trunc 63 }}
+version: {{ .Chart.Version }}
+release: {{ .Release.Name }}
+{{- end }}
+{{- define "mavenrepo.fullname" -}}
+{{- printf "%s-%s" .Release.Name .Chart.Name | trunc 63 -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "mavenrepo.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}