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Minio Chart (#280)

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* Basic Minio Chart

- Single export with a default Access Key and Secret

* Fix keywords

* Fixed incorrect secret name

* Added namespace to portforwarding in NOTES.txt
This commit is contained in:
Hunter Nield
2016-12-15 13:13:49 -08:00
committed by Lachlan Evenson
parent b5f8eed78a
commit bb72a124eb
10 changed files with 294 additions and 0 deletions
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stable/minio/.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
*~
# Various IDEs
.project
.idea/
*.tmproj
stable/minio/Chart.yaml
Executable
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apiVersion: v1
description: A Minio Helm chart for Kubernetes
name: minio
version: 0.0.1
keywords:
- storage
- object-storage
- S3
home: https://minio.io
sources:
- https://github.com/minio/minio
maintainers:
- name: Acaleph
email: hello@acale.ph
stable/minio/README.md
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Minio
=====
[Minio](https://minio.io) is a distributed S3-compatible object storage server built for cloud applications and devops.
Introduction
------------
This chart bootstraps a single node Minio deployment on a [Kubernetes](http://kubernetes.io) cluster using the [Helm](https://helm.sh) package manager.
Prerequisites
-------------
- Kubernetes 1.4+ with Beta APIs enabled
- PV provisioner support in the underlying infrastructure
Installing the Chart
--------------------
To install the chart with the release name `my-release`:
```bash
$ helm install --name my-release stable/minio
```
The command deploys Minio on the Kubernetes cluster in the default configuration. The [configuration](#configuration) section lists the parameters that can be configured during installation.
By default a pre-generated Access Key and Secret will be used. If you'd like to set your own password change the AccessKey and SecretKey in the values.yaml.
Uninstalling the Chart
----------------------
To uninstall/delete the `my-release` deployment:
```bash
$ helm delete my-release
```
The command removes all the Kubernetes components associated with the chart and deletes the release.
Configuration
-------------
The following tables lists the configurable parameters of the Minio chart and their default values.
| Parameter | Description | Default |
|----------------------------|-------------------------------------|---------------------------------------------------------|
| `image` | `minio` image. | `minio/minio` The official release on Docker Hub |
| `imageTag` | `minio` image tag. | The latest release |
| `imagePullPolicy` | Image pull policy | `Always` if `imageTag` is `latest`, else `IfNotPresent` |
| `ServiceType` | Kubernetes Service Type | `ClusterIP` |
| `ServicePort` | Kuberntes Service Port | `9000` |
| `AccessKey` | Default Access Key | `AKIAIOSFODNN7EXAMPLE` |
| `SecretKey` | Default Secret Key | `wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY` |
| `persistence.enabled` | Create a volume to store data | true |
| `persistence.size` | Size of persistent volume claim | 8Gi RW |
| `persistence.storageClass` | Type of persistent volume claim | generic |
| `persistence.accessMode` | ReadWriteOnce or ReadOnly | ReadWriteOnce |
| `resources` | CPU/Memory resource requests/limits | Memory: `256Mi`, CPU: `100m` |
Some of the parameters above map to the env variables defined in the [Minio DockerHub image](https://hub.docker.com/r/minio/minio/).
Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,
```bash
$ helm install --name my-release \
--set AccessKey=myaccesskey,SecretKey=mysecretkey \
stable/minio
```
The above command sets the Minio Access Key to `myaccesskey` and Secret Key to `mysecretkey`.
Alternatively, a YAML file that specifies the values for the parameters can be provided while installing the chart. For example,
```bash
$ helm install --name my-release -f values.yaml stable/minio
```
> **Tip**: You can use the default [values.yaml](values.yaml)
Persistence
-----------
The [Minio](https://hub.docker.com/r/minio/minio/) image stores the Minio data at the `/export` path of the container.
By default a PersistentVolumeClaim is created and mounted into that directory. In order to disable this functionality you can change the values.yaml to disable persistence and use an emptyDir instead.
> *"An emptyDir volume is first created when a Pod is assigned to a Node, and exists as long as that Pod is running on that node. When a Pod is removed from a node for any reason, the data in the emptyDir is deleted forever."*
TODO:
-----
- Erasure encoding and distributed server
- Configmap for the Minio config
stable/minio/templates/NOTES.txt
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Minio can be accessed via port {{ .Values.ServicePort }} on the following DNS name from within your cluster:
{{ template "fullname" . }}.{{ .Release.Namespace }}.svc.cluster.local
To connect to minio:
1. Download the Minio mc client - https://docs.minio.io/docs/minio-client-quickstart-guide
2. export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app={{ template "fullname" . }}" -o jsonpath="{.items[0].metadata.name}")
3. kubectl port-forward $POD_NAME 9000 --namespace {{ .Release.Namespace }}
4. mc config host add {{ template "fullname" . }}-local http://localhost:9000 {{ .Values.AccessKey }} {{ .Values.SecretKey }} S3v4
5. mc ls {{ template "fullname" . }}-local
stable/minio/templates/_helpers.tpl
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{{/* vim: set filetype=mustache: */}}
{{/*
Expand the name of the chart.
*/}}
{{- define "name" -}}
{{- default .Chart.Name .Values.nameOverride | trunc 24 -}}
{{- end -}}
{{/*
Create a default fully qualified app name.
We truncate at 24 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
*/}}
{{- define "fullname" -}}
{{- $name := default .Chart.Name .Values.nameOverride -}}
{{- printf "%s-%s" .Release.Name $name | trunc 24 -}}
{{- end -}}s
stable/minio/templates/minio_deployment.yaml
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apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: {{ template "fullname" . }}
labels:
app: {{ template "fullname" . }}
chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
release: "{{ .Release.Name }}"
heritage: "{{ .Release.Service }}"
spec:
replicas: 1
selector:
matchLabels:
app: {{ template "fullname" . }}
template:
metadata:
name: {{ template "fullname" . }}
labels:
app: {{ template "fullname" . }}
chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
release: "{{ .Release.Name }}"
heritage: "{{ .Release.Service }}"
spec:
volumes:
- name: export
{{- if .Values.persistence.enabled }}
persistentVolumeClaim:
claimName: {{ template "fullname" . }}
{{- else }}
emptyDir: {}
{{- end }}
- name: minio-user
secret:
secretName: {{ template "fullname" . }}-user
containers:
- name: minio
image: {{ .Values.Image }}:{{ .Values.ImageTag }}
imagePullPolicy: {{ .Values.ImagePullPolicy }}
args:
- server
- /export
volumeMounts:
- name: export
mountPath: /export
ports:
- name: service
containerPort: 9000
env:
- name: MINIO_ACCESS_KEY
valueFrom:
secretKeyRef:
name: {{ template "fullname" . }}-user
key: accesskey
- name: MINIO_SECRET_KEY
valueFrom:
secretKeyRef:
name: {{ template "fullname" . }}-user
key: secretkey
livenessProbe:
tcpSocket:
port: 9000
timeoutSeconds: 1
resources:
{{ toYaml .Values.resources | indent 12 }}
stable/minio/templates/minio_pvc.yaml
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{{- if .Values.persistence.enabled }}
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
name: {{ template "fullname" . }}
annotations:
volume.alpha.kubernetes.io/storage-class: {{ .Values.persistence.storageClass | quote }}
spec:
accessModes:
- {{ .Values.persistence.accessMode | quote }}
resources:
requests:
storage: {{ .Values.persistence.size | quote }}
{{- end }}
stable/minio/templates/minio_secret.yaml
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apiVersion: v1
kind: Secret
metadata:
name: {{ template "fullname" . }}-user
labels:
app: {{ template "fullname" . }}
chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
release: "{{ .Release.Name }}"
heritage: "{{ .Release.Service }}"
type: Opaque
data:
accesskey: {{ .Values.AccessKey | b64enc }}
secretkey: {{ .Values.SecretKey | b64enc }}
stable/minio/templates/minio_svc.yaml
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kind: Service
apiVersion: v1
metadata:
name: {{ template "fullname" . }}
labels:
app: {{ template "fullname" . }}
chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
release: "{{ .Release.Name }}"
heritage: "{{ .Release.Service }}"
spec:
selector:
app: {{ template "fullname" . }}
ports:
- name: service
port: 9000
targetPort: {{ .Values.ServicePort }}
stable/minio/values.yaml
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Image: "minio/minio"
ImageTag: "latest"
ImagePullPolicy: "Always"
ServiceType: ClusterIP
ServicePort: 9000
## Set default access key and secret
AccessKey: "AKIAIOSFODNN7EXAMPLE"
SecretKey: "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY"
## Enable persistence using Persistent Volume Claims
## ref: http://kubernetes.io/docs/user-guide/persistent-volumes/
##
persistence:
enabled: true
storageClass: generic
accessMode: ReadWriteOnce
size: 8Gi
## Configure resource requests and limits
## ref: http://kubernetes.io/docs/user-guide/compute-resources/
##
resources:
requests:
memory: 256Mi
cpu: 250m