Helm chart for network-diag-app

Change-Id: I6bec9210ccb424cc940fb67c6091e4c545e267ad
diff --git a/network-diag-app/templates/_helpers.tpl b/network-diag-app/templates/_helpers.tpl
new file mode 100644
index 0000000..c168c76
--- /dev/null
+++ b/network-diag-app/templates/_helpers.tpl
@@ -0,0 +1,59 @@
+{{- /*
+
+# Copyright 2022-present Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+
+*/ -}}
+
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "network-test.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "network-test.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := default .Chart.Name .Values.nameOverride }}
+{{- if contains $name .Release.Name }}
+{{- .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "network-test.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "network-test.labels" -}}
+helm.sh/chart: {{ include "network-test.chart" . }}
+{{ include "network-test.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "network-test.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "network-test.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}