deploy helm

Author: rootsongjc

README-cn.md

@@ -143,6 +143,14 @@ kubectl apply -f addon/efk/
 
 **注意**：运行EFK的每个节点需要消耗很大的CPU和内存，请保证每台虚拟机至少分配了4G内存。
 
+**Helm**
+
+用来部署helm。
+
+```bash
+hack/deploy-helm.sh
+```
+
 ### Service Mesh
 
 我们使用 [istio](https://istio.io) 作为 service mesh。

README.md

@@ -48,6 +48,7 @@ The container network range is `170.33.0.0/16` owned by flanneld with `host-gw`
 - Heapster + InfluxDB + Grafana
 - ElasticSearch + Fluentd + Kibana
 - Istio service mesh
+- Helm
 
 #### Setup
 ```bash
@@ -134,6 +135,14 @@ kubectl apply -f addon/heapster/
 
 **Note**: Powerful CPU and memory allocation required. At least 4G per virtual machine.
 
+**Helm**
+
+Run this command on your local machine.
+
+```bash
+hack/deploy-helm.sh
+```
+
 ### Service Mesh
 
 We use [istio](https://istio.io) as the default service mesh.

hack/deploy-helm.sh

@@ -1,9 +1,13 @@
 #!/bin/bash
 # Install helm CLI
-curl https://raw.githubusercontent.com/kubernetes/helm/master/scripts/get > get_helm.sh
-chmod 700 get_helm.sh
-./get_helm.sh
-# Deploy helm to kubernetes
+if command -v helm>/dev/null 2>&1; then
+  echo 'Helm has been installed already'
+else
+  echo 'Install helm on your local machine...'
+  curl https://raw.githubusercontent.com/kubernetes/helm/master/scripts/get > get_helm.sh
+  chmod 700 get_helm.sh
+  ./get_helm.sh
+fi
 kubectl create serviceaccount --namespace kube-system tiller
 kubectl create clusterrolebinding tiller-cluster-rule --clusterrole=cluster-admin --serviceaccount=kube-system:tiller
 helm init -i jimmysong/kubernetes-helm-tiller:v2.3.1