Helm charts for spark and hdfs

[demo.git] / vnfs / DAaaS / training-core / charts / kubernetes-HDFS / charts / hdfs-k8s / templates / _helpers.tpl

diff --git a/vnfs/DAaaS/training-core/charts/kubernetes-HDFS/charts/hdfs-k8s/templates/_helpers.tpl b/vnfs/DAaaS/training-core/charts/kubernetes-HDFS/charts/hdfs-k8s/templates/_helpers.tpl
new file mode 100644 (file)
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--- /dev/null
+++ b/vnfs/DAaaS/training-core/charts/kubernetes-HDFS/charts/hdfs-k8s/templates/_helpers.tpl
@@ -0,0 +1,264 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Create a short app name.
+*/}}
+{{- define "hdfs-k8s.name" -}}
+hdfs
+{{- end -}}
+
+{{/*
+Create a 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-k8s.fullname" -}}
+{{- if .Values.global.fullnameOverride -}}
+{{- .Values.global.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := include "hdfs-k8s.name" . -}}
+{{- 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 subchart label.
+*/}}
+{{- define "hdfs-k8s.subchart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{- define "zookeeper-fullname" -}}
+{{- $fullname := include "hdfs-k8s.fullname" . -}}
+{{- if contains "zookeeper" $fullname -}}
+{{- printf "%s" $fullname -}}
+{{- else -}}
+{{- printf "%s-zookeeper" $fullname | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+
+{{- define "hdfs-k8s.config.name" -}}
+{{- template "hdfs-k8s.name" . -}}-config
+{{- end -}}
+
+{{- define "hdfs-k8s.config.fullname" -}}
+{{- $fullname := include "hdfs-k8s.fullname" . -}}
+{{- if contains "config" $fullname -}}
+{{- printf "%s" $fullname -}}
+{{- else -}}
+{{- printf "%s-config" $fullname | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+
+{{- define "hdfs-k8s.krb5.name" -}}
+{{- template "hdfs-k8s.name" . -}}-krb5
+{{- end -}}
+
+{{- define "hdfs-k8s.krb5.fullname" -}}
+{{- $fullname := include "hdfs-k8s.fullname" . -}}
+{{- if contains "config" $fullname -}}
+{{- printf "%s" $fullname -}}
+{{- else -}}
+{{- printf "%s-krb5" $fullname | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+
+{{- define "hdfs-k8s.journalnode.name" -}}
+{{- template "hdfs-k8s.name" . -}}-journalnode
+{{- end -}}
+
+{{- define "hdfs-k8s.journalnode.fullname" -}}
+{{- $fullname := include "hdfs-k8s.fullname" . -}}
+{{- if contains "journalnode" $fullname -}}
+{{- printf "%s" $fullname -}}
+{{- else -}}
+{{- printf "%s-journalnode" $fullname | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+
+{{- define "hdfs-k8s.namenode.name" -}}
+{{- template "hdfs-k8s.name" . -}}-namenode
+{{- end -}}
+
+{{- define "hdfs-k8s.namenode.fullname" -}}
+{{- $fullname := include "hdfs-k8s.fullname" . -}}
+{{- if contains "namenode" $fullname -}}
+{{- printf "%s" $fullname -}}
+{{- else -}}
+{{- printf "%s-namenode" $fullname | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+
+{{- define "hdfs-k8s.datanode.name" -}}
+{{- template "hdfs-k8s.name" . -}}-datanode
+{{- end -}}
+
+{{- define "hdfs-k8s.datanode.fullname" -}}
+{{- $fullname := include "hdfs-k8s.fullname" . -}}
+{{- if contains "datanode" $fullname -}}
+{{- printf "%s" $fullname -}}
+{{- else -}}
+{{- printf "%s-datanode" $fullname | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+
+{{- define "hdfs-k8s.client.name" -}}
+{{- template "hdfs-k8s.name" . -}}-client
+{{- end -}}
+
+{{- define "hdfs-k8s.client.fullname" -}}
+{{- $fullname := include "hdfs-k8s.fullname" . -}}
+{{- if contains "client" $fullname -}}
+{{- printf "%s" $fullname -}}
+{{- else -}}
+{{- printf "%s-client" $fullname | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create the kerberos principal suffix for core HDFS services
+*/}}
+{{- define "hdfs-principal" -}}
+{{- printf "hdfs/_HOST@%s" .Values.global.kerberosRealm -}}
+{{- end -}}
+
+{{/*
+Create the kerberos principal for HTTP services
+*/}}
+{{- define "http-principal" -}}
+{{- printf "HTTP/_HOST@%s" .Values.global.kerberosRealm -}}
+{{- end -}}
+
+{{/*
+Create the name for a Kubernetes Configmap containing a Kerberos config file.
+*/}}
+{{- define "krb5-configmap" -}}
+{{- if .Values.global.kerberosConfigMapOverride -}}
+{{- .Values.global.kerberosConfigMapOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := include "hdfs-k8s.krb5.fullname" . -}}
+{{- printf "%s-config" $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create the name for a Kubernetes Secret containing Kerberos keytabs.
+*/}}
+{{- define "krb5-keytabs-secret" -}}
+{{- if .Values.global.kerberosKeytabsSecretOverride -}}
+{{- .Values.global.kerberosKeytabsSecretOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := include "hdfs-k8s.krb5.fullname" . -}}
+{{- printf "%s-keytabs" $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+
+
+{{/*
+Create the domain name part of services.
+The HDFS config file should specify FQDN of services. Otherwise, Kerberos
+login may fail.
+*/}}
+{{- define "svc-domain" -}}
+{{- printf "%s.svc.cluster.local" .Release.Namespace -}}
+{{- end -}}
+
+{{/*
+Create the zookeeper quorum server 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 "zookeeper-quorum" -}}
+{{- if .Values.global.zookeeperQuorumOverride -}}
+{{- .Values.global.zookeeperQuorumOverride -}}
+{{- else -}}
+{{- $service := include "zookeeper-fullname" . -}}
+{{- $domain := include "svc-domain" . -}}
+{{- $replicas := .Values.global.zookeeperQuorumSize | int -}}
+{{- range $i, $e := until $replicas -}}
+  {{- if ne $i 0 -}}
+    {{- printf "%s-%d.%s-headless.%s:2181," $service $i $service $domain -}}
+  {{- end -}}
+{{- end -}}
+{{- range $i, $e := until $replicas -}}
+  {{- if eq $i 0 -}}
+    {{- printf "%s-%d.%s-headless.%s:2181" $service $i $service $domain -}}
+  {{- end -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Construct the name of the Kerberos KDC pod 0.
+*/}}
+{{- define "krb5-pod-0" -}}
+{{- template "hdfs-k8s.krb5.fullname" . -}}-0
+{{- end -}}
+
+{{/*
+Construct the full name of the Kerberos KDC statefulset member 0.
+*/}}
+{{- define "krb5-svc-0" -}}
+{{- $pod := include "krb5-pod-0" . -}}
+{{- $service := include "hdfs-k8s.krb5.fullname" . -}}
+{{- $domain := include "svc-domain" . -}}
+{{- printf "%s.%s.%s" $pod $service $domain -}}
+{{- end -}}
+
+{{/*
+Create the journalnode quorum server list.  The below uses two loops to make
+sure the last item does not have the delimiter. It uses index 0 for the last
+item since that is the only special index that helm template gives us.
+*/}}
+{{- define "journalnode-quorum" -}}
+{{- $service := include "hdfs-k8s.journalnode.fullname" . -}}
+{{- $domain := include "svc-domain" . -}}
+{{- $replicas := .Values.global.journalnodeQuorumSize | int -}}
+{{- range $i, $e := until $replicas -}}
+  {{- if ne $i 0 -}}
+    {{- printf "%s-%d.%s.%s:8485;" $service $i $service $domain -}}
+  {{- end -}}
+{{- end -}}
+{{- range $i, $e := until $replicas -}}
+  {{- if eq $i 0 -}}
+    {{- printf "%s-%d.%s.%s:8485" $service $i $service $domain -}}
+  {{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Construct the name of the namenode pod 0.
+*/}}
+{{- define "namenode-pod-0" -}}
+{{- template "hdfs-k8s.namenode.fullname" . -}}-0
+{{- end -}}
+
+{{/*
+Construct the full name of the namenode statefulset member 0.
+*/}}
+{{- define "namenode-svc-0" -}}
+{{- $pod := include "namenode-pod-0" . -}}
+{{- $service := include "hdfs-k8s.namenode.fullname" . -}}
+{{- $domain := include "svc-domain" . -}}
+{{- printf "%s.%s.%s" $pod $service $domain -}}
+{{- end -}}
+
+{{/*
+Construct the name of the namenode pod 1.
+*/}}
+{{- define "namenode-pod-1" -}}
+{{- template "hdfs-k8s.namenode.fullname" . -}}-1
+{{- end -}}
+
+{{/*
+Construct the full name of the namenode statefulset member 1.
+*/}}
+{{- define "namenode-svc-1" -}}
+{{- $pod := include "namenode-pod-1" . -}}
+{{- $service := include "hdfs-k8s.namenode.fullname" . -}}
+{{- $domain := include "svc-domain" . -}}
+{{- printf "%s.%s.%s" $pod $service $domain -}}
+{{- end -}}