kubernetes helm

Posted by Sunday on 2019-10-11

安装helm

https://github.com/helm/helm/releases
下载对应版本的二进制程序

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cd /usr/local/src/
wget https://get.helm.sh/helm-v2.14.3-linux-amd64.tar.gz
tar xf helm-v2.14.3-linux-amd64.tar.gz
cp linux-amd64/helm /usr/local/bin

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kubectl -n kube-system create serviceaccount tiller

kubectl create clusterrolebinding tiller \
  --clusterrole=cluster-admin \
  --serviceaccount=kube-system:tiller

# helm init --service-account tiller
# Users in China: You will need to specify a specific tiller-image in order to initialize tiller. 
# The list of tiller image tags are available here: https://dev.aliyun.com/detail.html?spm=5176.1972343.2.18.ErFNgC&repoId=62085. 
# When initializing tiller, you'll need to pass in --tiller-image

helm init --service-account tiller \
--tiller-image registry.cn-hangzhou.aliyuncs.com/google_containers/tiller:v2.14.3

https://rancher.com/docs/rancher/v2.x/en/installation/ha/helm-init/

#镜像

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gcr.azk8s.cn/kubernetes-helm/tiller:<tag>
http://mirror.azure.cn/kubernetes/charts

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# kubectl get pods -n kube-system | grep tiller
tiller-deploy-75f5747884-zhpwl             1/1     Running   0          69s

https://www.qikqiak.com/k8s-book/docs/42.Helm%E5%AE%89%E8%A3%85.html 

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# helm repo list
NAME  	URL                                             
stable	https://kubernetes-charts.storage.googleapis.com
local 	http://127.0.0.1:8879/charts 

helm repo remove stable
helm repo add stable https://kubernetes.oss-cn-hangzhou.aliyuncs.com/charts  

helm repo update # 更新charts列表
helm search # 搜索可用charts
helm search mysql

使用

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helm create hello-helm

vim hello-helm/values.yaml 
service:
  type: NodePort
  port: 80
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# helm install ./hello-helm
NAME:   kindled-numbat
LAST DEPLOYED: Sat Oct 12 06:11:51 2019
NAMESPACE: default
STATUS: DEPLOYED

RESOURCES:
==> v1/Deployment
NAME                       READY  UP-TO-DATE  AVAILABLE  AGE
kindled-numbat-hello-helm  0/1    0           0          1s

==> v1/Pod(related)
NAME                                        READY  STATUS             RESTARTS  AGE
kindled-numbat-hello-helm-6566985869-lmh2l  0/1    ContainerCreating  0         0s

==> v1/Service
NAME                       TYPE      CLUSTER-IP      EXTERNAL-IP  PORT(S)       AGE
kindled-numbat-hello-helm  NodePort  10.103.185.205  <none>       80:30062/TCP  2s


NOTES:
1. Get the application URL by running these commands:
  export NODE_PORT=$(kubectl get --namespace default -o jsonpath="{.spec.ports[0].nodePort}" services kindled-numbat-hello-helm)
  export NODE_IP=$(kubectl get nodes --namespace default -o jsonpath="{.items[0].status.addresses[0].address}")
  echo http://$NODE_IP:$NODE_PORT

# kubectl get pod -l app.kubernetes.io/name=hello-helm
NAME                                         READY   STATUS    RESTARTS   AGE
kindled-numbat-hello-helm-6566985869-lmh2l   1/1     Running   0          4m3s

# kubectl get svc -l app.kubernetes.io/name=hello-helm
NAME                        TYPE       CLUSTER-IP       EXTERNAL-IP   PORT(S)        AGE
kindled-numbat-hello-helm   NodePort   10.103.185.205   <none>        80:30062/TCP   5m4s

#访问
curl 192.168.10.80:30062

# helm list
NAME          	REVISION	UPDATED                 	STATUS  	CHART           	APP VERSION	NAMESPACE
kindled-numbat	1       	Sat Oct 12 06:11:51 2019	DEPLOYED	hello-helm-0.1.0	1.0        	default
# helm package hello-helm
Successfully packaged chart and saved it to: /root/hello-helm-0.1.0.tgz

# helm delete kindled-numbat
release "kindled-numbat" deleted

# kubectl get pod -l app.kubernetes.io/name=hello-helm
No resources found.

安装jenkins

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helm install --set master.serviceType=NodePort,persistence.enabled=false stable/jenkins
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