Helm : The Kubernetes Package Manager

root@taco-aio:~# helm search
NAME                                 	CHART VERSION	APP VERSION                 	DESCRIPTION                                       
stable/acs-engine-autoscaler         	2.1.4        	2.1.1                       	Scales worker nodes within agent pools            
stable/aerospike                     	0.1.7        	v3.14.1.2                   	A helm chart for Aerospike in Kubernetes          
stable/anchore-engine                	0.1.5        	0.1.9                       	Anchore container analysis and policy evaluatio...
stable/artifactory                   	7.1.0        	5.9.1                       	Universal Repository Manager supporting all maj...
stable/artifactory-ha                	0.1.5        	5.9.1                       	Universal Repository Manager supporting all maj...
stable/aws-cluster-autoscaler        	0.3.3        	                            	Scales worker nodes within autoscaling groups.    
stable/bitcoind                      	0.1.3        	0.15.1                      	Bitcoin is an innovative payment network and a ...
stable/buildkite                     	0.2.2        	3                           	Agent for Buildkite                               
stable/burrow                        	0.4.3        	0.17.1                      	Burrow is a permissionable smart contract machine 
stable/centrifugo                    	2.0.1        	1.7.3                       	Centrifugo is a real-time messaging server.       
stable/cert-manager                  	0.2.8        	0.2.4                       	A helm chart for cert-manager                     
stable/chaoskube                     	0.7.0        	0.8.0                       	Chaoskube periodically kills random pods in you...
stable/chartmuseum                   	1.2.0        	0.5.1                       	helm Chart Repository with support for Amazon S...
stable/chronograf                    	0.4.3        	1.3                         	Open-source web application written in Go and R...
stable/cluster-autoscaler            	0.5.3        	1.1.0                       	Scales worker nodes within autoscaling groups.    
stable/cockroachdb                   	1.0.4        	2.0.0                       	CockroachDB is a scalable, survivable, strongly...
stable/concourse                     	1.2.3        	3.10.0                      	Concourse is a simple and scalable CI system.     
stable/consul                        	1.3.5        	1.0.0                       	Highly available and distributed service discov...
stable/coredns                       	0.9.0        	1.0.6                       	CoreDNS is a DNS server that chains plugins and...
stable/coscale                       	0.2.1        	3.9.1                       	CoScale Agent                                     
stable/dask                          	1.0.2        	0.17.1                      	Distributed computation in Python with task sch...
stable/dask-distributed              	2.0.2        	                            	DEPRECATED: Distributed computation in Python     
stable/datadog                       	0.11.2       	6.1.2                       	DataDog Agent                                     
stable/dex                           	0.1.0        	2.10.0                      	CoreOS Dex                                        
stable/docker-registry               	1.1.1        	2.6.2                       	A helm chart for Docker Registry                  
stable/dokuwiki                      	1.0.1        	0.20170219.201708232029     	DokuWiki is a standards-compliant, simple to us...
stable/drupal                        	0.11.15      	8.5.1                       	One of the most versatile open source content m...
stable/elastalert                    	0.1.3        	0.1.29                      	ElastAlert is a simple framework for alerting o...
stable/elasticsearch-exporter        	0.1.3        	1.0.2                       	Elasticsearch stats exporter for Prometheus       
stable/etcd-operator                 	0.7.5        	0.7.0                       	CoreOS etcd-operator helm chart for Kubernetes    
stable/ethereum                      	0.1.1        	v1.7.3                      	private Ethereum network helm chart for Kubernetes
stable/external-dns                  	0.5.4        	0.4.8                       	Configure external DNS servers (AWS Route53, Go...
stable/factorio                      	0.3.1        	0.14.22                     	Factorio dedicated server.                        
stable/filebeat                      	0.2.0        	6.2.3                       	A helm chart to collect Kubernetes logs with fi...
stable/fluent-bit                    	0.4.0        	0.12.15                     	Fast and Lightweight Log/Data Forwarder for Lin...
...

curl https://raw.githubusercontent.com/kubernetes/helm/master/scripts/get | cat > /tmp/helm_script.sh \
&& chmod 755 /tmp/helm_script.sh && /tmp/helm_script.sh --version v2.8.2

helm init --upgrade

root@taco-aio:~# helm init --output yaml
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  creationTimestamp: null
  labels:
    app: helm
    name: tiller
  name: tiller-deploy
  namespace: kube-system
spec:
  strategy: {}
  template:
    metadata:
      creationTimestamp: null
      labels:
        app: helm
        name: tiller
    spec:
      containers:
      - env:
        - name: TILLER_NAMESPACE
          value: kube-system
        - name: TILLER_HISTORY_MAX
          value: "0"
        image: gcr.io/kubernetes-helm/tiller:v2.8.2
        imagePullPolicy: IfNotPresent
        livenessProbe:
          httpGet:
            path: /liveness
            port: 44135
          initialDelaySeconds: 1
          timeoutSeconds: 1
        name: tiller
        ports:
        - containerPort: 44134
          name: tiller
        - containerPort: 44135
          name: http
        readinessProbe:
          httpGet:
            path: /readiness
            port: 44135
          initialDelaySeconds: 1
          timeoutSeconds: 1
        resources: {}
status: {}

$HOME/.kube/config

Usage:
  helm [command]

Available Commands:
  completion  Generate autocompletions script for the specified shell (bash or zsh)
  create      create a new chart with the given name
  delete      given a release name, delete the release from Kubernetes
  dependency  manage a chart\'s dependencies
  fetch       download a chart from a repository and (optionally) unpack it in local directory
  get         download a named release
  history     fetch release history
  home        displays the location of HELM_HOME
  init        initialize helm on both client and server
  inspect     inspect a chart
  install     install a chart archive
  lint        examines a chart for possible issues
  list        list releases
  package     package a chart directory into a chart archive
  plugin      add, list, or remove helm plugins
  repo        add, list, remove, update, and index chart repositories
  reset       uninstalls Tiller from a cluster
  rollback    roll back a release to a previous revision
  search      search for a keyword in charts
  serve       start a local http web server
  status      displays the status of the named release
  template    locally render templates
  test        test a release
  upgrade     upgrade a release
  verify      verify that a chart at the given path has been signed and is valid
  version     print the client/server version information

helm repo list : 조회
helm repo add localhost http://localhost:8879/charts : localhost라는 이름의 chart repository 등록
helm repo remove localhost : localhost라는 이름의 chart repository 삭제

helm serve . &

helm install --name mariadb-test --set persistence.enabled=false \
  --set mariadbRootPassword=password,mariadbUser=taco,mariadbPassword=password,mariadbDatabase=database \
    stable/mariadb

root@taco-aio:~/tmp/drupal# helm lint
==> Linting .
[ERROR] templates/: parse error in "drupal/templates/deployment.yaml": template: drupal/templates/deployment.yaml:26: unexpected 

Error: 1 chart(s) linted, 1 chart(s) failed

root@taco-aio:~# helm list
NAME            REVISION        UPDATED                         STATUS          CHART           NAMESPACE
my-release      1               Mon Apr 16 05:23:09 2018        DEPLOYED        drupal-0.11.15  default  

root@taco-aio:~# helm history my-release
REVISION        UPDATED                         STATUS          CHART           DESCRIPTION     
1               Mon Apr 16 05:23:09 2018        DEPLOYED        drupal-0.11.15  Install complete

root@taco-aio:~/taco# helm fetch stable/mariadb
root@taco-aio:~/taco# ls
mariadb-3.0.3.tgz
root@taco-aio:~/taco# tar zxvf mariadb-3.0.3.tgz 
mariadb/Chart.yaml
mariadb/values.yaml
mariadb/templates/NOTES.txt
mariadb/templates/_helpers.tpl
mariadb/templates/configmap.yaml
mariadb/templates/deployment.yaml
mariadb/templates/pvc.yaml
mariadb/templates/secrets.yaml
mariadb/templates/svc.yaml
mariadb/templates/test-runner.yaml
mariadb/templates/tests.yaml
mariadb/.helmignore
mariadb/OWNERS
mariadb/README.md

metadata:
  annotations:
    "helm.sh/hook": test-success

wordpress/
  Chart.yaml          # Chart에 대한 정보를 적어놓는 YAML 파일 (필수)
  LICENSE             # 라이센스에 대한 내용을 적어 놓는 텍스트 파일 (옵션)
  README.md           # 사용자가 읽을 수 있는 README 파일 (옵션)
  requirements.yaml   # Chart간 의존성이 있을 경우 이를 리스트 형태로 정의하는 파일 (옵션)
  values.yaml         # Chart 내에서 어플리케이션에 필요한 설정값들이 모여 있는 파일 (필수)
  charts/             # Chart가 다른 Chart에 의존성이 있을 경우 다른 의존하는 Chart들이 위치하는 디렉토리 (옵션)
  templates/          # kubernetes 객체를 정의하는 manifest template 파일들이 위치하는 디렉토리 (필수)
                      # gotpl로 구현된 template들이어야 하며 values.yaml의 값들과 합해져서 manifest 파일을 rendering함
  templates/NOTES.txt # chart 사용 방법을 설명해 놓은 텍스트 파일 (옵션)

name: Chart 이름 (필수)
version: SemVer 2 형식으로 정의된 Chart 버젼 (필수)
description: 한줄 설명 (옵션)
keywords:
  - 키워드 리스트. Chart 검색 시 이 키워드로 검색된다. (옵션)
home: 프로젝트 홈페이지 주소 (옵션)
sources:
  - 공개된 프로젝트 소스 코드 주소 (옵션)
maintainers: # (옵션)
  - name: 개발/관리자 이름 (각 개발/관리자 별 필수)
    email: 개발/관리자 이메일 주소 (각 개발/관리자 별 옵션)
    url: 개발/관리자 홈페이지 (각 개발/관리자 별 옵션)
engine: gotpl # template 엔진 이름 정의 (옵션, 기본값은 gotpl)
icon: 아이콘 이미지를 사용할 경우 이미지 파일의 주소 (옵션).
appVersion: 해당 Chart가 배포할 어플리케이션의 버젼 정보 (옵션).
deprecated: 해 Chart의 deprecated 유무 (옵션, boolean값임)
tillerVersion: 해당 Chart를 지원하는 tiller 버젼의 범위를 지정함. 예를 들어 ">2.0.0" (옵션)

dependencies:
  - name: apache
    version: 1.2.3
    repository: http://example.com/charts
  - name: mysql
    version: 3.2.1
    repository: http://another.example.com/charts

$ helm dep up foochart
Hang tight while we grab the latest from your chart repositories...
...Successfully got an update from the "local" chart repository
...Successfully got an update from the "stable" chart repository
...Successfully got an update from the "example" chart repository
...Successfully got an update from the "another" chart repository
Update Complete. Happy helming!
Saving 2 charts
Downloading apache from repo http://example.com/charts
Downloading mysql from repo http://another.example.com/charts

charts/
  apache-1.2.3.tgz
  mysql-3.2.1.tgz

apiVersion: v1
kind: ReplicationController
metadata:
  name: deis-database
  namespace: deis
  labels:
    heritage: deis
spec:
  replicas: 1
  selector:
    app: deis-database
  template:
    metadata:
      labels:
        app: deis-database
    spec:
      serviceAccount: deis-database
      containers:
        - name: deis-database
          image: /postgres:
          imagePullPolicy: 
          ports:
            - containerPort: 5432
          env:
            - name: DATABASE_STORAGE
              value: 

imageRegistry: "quay.io/deis"
dockerTag: "latest"
pullPolicy: "Always"
storage: "s3"

global:
  app: MyWordPress

apiVersion: batch/v1
kind: Job
metadata:
  name: ""
  labels:
    heritage: 
    release: 
    chart: "-"
  annotations:
    # This is what defines this resource as a hook. Without this line, the
    # job is considered part of the release.
    "helm.sh/hook": post-install
    "helm.sh/hook-weight": "-5"
    "helm.sh/hook-delete-policy": hook-succeeded
spec:
  template:
    metadata:
      name: ""
      labels:
        heritage: 
        release: 
        chart: "-"
    spec:
      restartPolicy: Never
      containers:
      - name: post-install-job
        image: "alpine:3.3"
        command: ["/bin/sleep",""]