1 files changed, 64 insertions, 0 deletions
diff --git a/vnfs/DAaaS/training-core/charts/kubernetes-HDFS/charts/hdfs-config-k8s/templates/_helpers.tpl b/vnfs/DAaaS/training-core/charts/kubernetes-HDFS/charts/hdfs-config-k8s/templates/_helpers.tpl
new file mode 100644
index 00000000..cd2ff083
--- /dev/null
+++ b/vnfs/DAaaS/training-core/charts/kubernetes-HDFS/charts/hdfs-config-k8s/templates/_helpers.tpl
@@ -0,0 +1,64 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "hdfs-config-k8s.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 "hdfs-config-k8s.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 "hdfs-config-k8s.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create the kerberos principal suffix for core HDFS services
+*/}}
+{{- define "hdfs-principal" -}}
+{{- printf "hdfs/_HOST@%s" .Values.kerberosRealm -}}
+{{- end -}}
+
+{{/*
+Create the kerberos principal for HTTP services
+*/}}
+{{- define "http-principal" -}}
+{{- printf "HTTP/_HOST@%s" .Values.kerberosRealm -}}
+{{- end -}}
+
+{{/*
+Create the datanode data dir list.  The below uses two loops to make sure the
+last item does not have comma. It uses index 0 for the last item since that is
+the only special index that helm template gives us.
+*/}}
+{{- define "datanode-data-dirs" -}}
+{{- range $index, $path := .Values.global.dataNodeHostPath -}}
+  {{- if ne $index 0 -}}
+    /hadoop/dfs/data/{{ $index }},
+  {{- end -}}
+{{- end -}}
+{{- range $index, $path := .Values.global.dataNodeHostPath -}}
+  {{- if eq $index 0 -}}
+    /hadoop/dfs/data/{{ $index }}
+  {{- end -}}
+{{- end -}}
+{{- end -}}