Add Helm chart for deploying Zeppelin on Kubernetes

Signed-off-by: Yi Chen <[email protected]>

charts/zeppelin/.helmignore

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+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

charts/zeppelin/Chart.yaml

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+apiVersion: v2
+
+name: zeppelin
+
+description: A Helm chart for deploying Apache Zeppelin on Kubernetes.
+
+type: application
+
+version: 0.1.0
+
+appVersion: 0.11.2
+
+maintainers:
+- name: ChenYi015
+  email: [email protected]

charts/zeppelin/README.md

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+# zeppelin
+
+![Version: 0.1.0](https://img.shields.io/badge/Version-0.1.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 0.11.2](https://img.shields.io/badge/AppVersion-0.11.2-informational?style=flat-square)
+
+A Helm chart for deploying Apache Zeppelin on Kubernetes.
+
+## Values
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+| nameOverride | string | `""` | String to partially override release name. |
+| fullnameOverride | string | `""` | String to fully override release name. |
+| global.image.registry | string | `"docker.io"` | Image registry. |
+| global.image.pullPolicy | string | `"IfNotPresent"` | Image pull policy. |
+| global.image.pullSecrets | list | `[]` | Image pull secrets for private image registry. |
+| server.image.registry | string | If not set, `global.image.registry` will be used. | Zeppelin server image registry. |
+| server.image.repository | string | `"apache/zeppelin"` | Zeppelin server image repository. |
+| server.image.tag | string | If not set, the chart appVersion will be used. | Zeppelin image tag. |
+| server.serviceAccount.create | bool | `true` | Specifies whether a service account should be created for the Zeppelin server. |
+| server.serviceAccount.name | string | `""` | Optional name for the Zeppelin server service account. |
+| server.serviceAccount.annotations | object | `{}` | Extra annotations for the Zeppelin server service account. |
+| interpreter.image.registry | string | If not set, `global.image.registry` will be used. | Zeppelin interpreter image registry. |
+| interpreter.image.repository | string | `"apache/zeppelin-interpreter"` | Zeppelin interpreter image repository. |
+| interpreter.image.tag | string | If not set, the chart appVersion will be used. | Zeppelin interpreter image tag. |
+| interpreter.serviceAccount.serviceAccount | string | `nil` |  |
+| interpreter.serviceAccount.create | bool | `true` | Specifies whether a service account should be created for the Zeppelin interpreter. |
+| interpreter.serviceAccount.name | string | `""` | Optional name for the Zeppelin interpreter service account. |
+| interpreter.serviceAccount.annotations | object | `{}` | Extra annotations for the Zeppelin interpreter service account. |
+| spark.image.registry | string | If not set, `global.image.registry` will be used. | Spark image registry. |
+| spark.image.repository | string | `"spark"` | Spark image repository. |
+| spark.image.tag | string | `"3.5.3"` | Spark image tag. |
+| replicas | int | `1` |  |
+| labels | object | `{}` | Extra labels for controller pods. |
+| annotations | object | `{}` | Extra annotations for controller pods. |
+| volumes | list | `[]` | Volumes for controller pods. |
+| nodeSelector | object | `{}` | Node selector for controller pods. |
+| affinity | object | `{}` | Affinity for controller pods. |
+| tolerations | list | `[]` | List of node taints to tolerate for controller pods. |
+| priorityClassName | string | `""` | Priority class for controller pods. |
+| podSecurityContext | object | `{}` | Security context for controller pods. |
+| env | list | `[]` | Environment variables for controller containers. |
+| envFrom | list | `[]` | Environment variable sources for controller containers. |
+| volumeMounts | list | `[]` | Volume mounts for controller containers. |
+| resources | object | `{}` | Pod resource requests and limits for controller containers. |
+| securityContext | object | `{}` | Security context for controller containers. |
+| service.type | string | `"ClusterIP"` |  |
+
+## Maintainers
+
+| Name | Email | Url |
+| ---- | ------ | --- |
+| ChenYi015 | <[email protected]> |  |

charts/zeppelin/README.md.gotmpl

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+{{ template "chart.header" . }}
+
+{{ template "chart.deprecationWarning" . }}
+
+{{ template "chart.badgesSection" . }}
+
+{{ template "chart.description" . }}
+
+{{ template "chart.homepageLine" . }}
+
+{{ template "chart.valuesSection" . }}
+
+{{ template "chart.maintainersSection" . }}

charts/zeppelin/templates/_helpers.tpl

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+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "zeppelin.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 "zeppelin.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 "zeppelin.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "zeppelin.labels" -}}
+helm.sh/chart: {{ include "zeppelin.chart" . }}
+{{ include "zeppelin.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "zeppelin.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "zeppelin.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the configmap to use
+*/}}
+{{- define "zeppelin.configMapName" -}}
+{{- include "zeppelin.fullname" . }}-conf
+{{- end -}}
+
+{{/*
+Create the name of the nginx configmap to use
+*/}}
+{{- define "zeppelin.nginxConfigMapName" -}}
+{{- include "zeppelin.fullname" . }}-nginx-conf
+{{- end -}}
+
+{{/*
+Create the name of the Zeppelin image to use
+*/}}
+{{- define "zeppelin.server.image" -}}
+{{- $imageRegistry := .Values.server.image.registry | default .Values.global.image.registry | default "docker.io" }}
+{{- $imageRepository := .Values.server.image.repository | default "apache/zeppelin" }}
+{{- $imageTag := .Values.server.image.tag | default "latest" }}
+{{- printf "%s/%s:%s" $imageRegistry $imageRepository $imageTag }}
+{{- end -}}
+
+{{/*
+Create the name of the Zeppelin interpreter image to use
+*/}}
+{{- define "zeppelin.interpreter.image" -}}
+{{- $imageRegistry := .Values.interpreter.image.registry | default .Values.global.image.registry | default "docker.io" }}
+{{- $imageRepository := .Values.interpreter.image.repository | default "apache/zeppelin" }}
+{{- $imageTag := .Values.interpreter.image.tag | default "latest" }}
+{{- printf "%s/%s:%s" $imageRegistry $imageRepository $imageTag }}
+{{- end -}}
+
+{{/*
+Create the name of the Spark image to use
+*/}}
+{{- define "zeppelin.spark.image" -}}
+{{- $imageRegistry := .Values.spark.image.registry | default .Values.global.image.registry | default "docker.io" }}
+{{- $imageRepository := .Values.spark.image.repository | default "spark" }}
+{{- $imageTag := .Values.spark.image.tag | default "latest" }}
+{{- printf "%s/%s:%s" $imageRegistry $imageRepository $imageTag }}
+{{- end -}}

charts/zeppelin/templates/interpreter/_helpers.tpl

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+{{/*
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to You 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.
+*/}}
+
+{{/*
+Create the name of Zeppelin interpreter.
+*/}}
+{{- define "zeppelin.interpreter.name" -}}
+{{- include "zeppelin.fullname" . }}-interpreter
+{{- end -}}
+
+{{/*
+Create the name of the service account for Zeppelin interpreter.
+*/}}
+{{- define "zeppelin.interpreter.serviceAccountName" -}}
+{{- if .Values.interpreter.serviceAccount.create }}
+{{- default (include "zeppelin.interpreter.name" .) .Values.interpreter.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.interpreter.serviceAccount.name }}
+{{- end }}
+{{- end -}}
+
+{{/*
+Create the name of the role for Zeppelin interpreter.
+*/}}
+{{- define "zeppelin.interpreter.roleName" -}}
+{{- include "zeppelin.interpreter.serviceAccountName" . }}
+{{- end -}}
+
+{{/*
+Create the name of the role binding for Zeppelin interpreter.
+*/}}
+{{- define "zeppelin.interpreter.roleBindingName" -}}
+{{- include "zeppelin.interpreter.serviceAccountName" . }}
+{{- end -}}
+
+{{/*
+Create the name of the config map for Zeppelin interpreter.
+*/}}
+{{- define "zeppelin.interpreter.configMapName" -}}
+{{- include "zeppelin.interpreter.name" . }}-conf
+{{- end -}}