Merge pull request #444 from prasadkatti/master

docs: cleanup install with helm readme

helm/README.md

@@ -12,22 +12,17 @@ local-volume-provisioner in your Kubernetes with `helm install` directly.
   - [Custom your deployment with values file](#custom-your-deployment-with-values-file)
   - [Install local-volume-provisioner](#install-local-volume-provisioner)
     - [Generate yaml files with `helm template` and install with `kubectl`](#generate-yaml-files-with-helm-template-and-install-with-kubectl)
-    - [helm version \< v3.0.0](#helm-version--v300)
+    - [Install using helm repo](#install-using-helm-repo)
     - [Install with `helm install` directly](#install-with-helm-install-directly)
-    - [helm version  \>= v3.0.0](#helm-version---v300)
-    - [Install with `helm install` directly](#install-with-helm-install-directly-1)
   - [Configurations](#configurations)
   - [Examples](#examples)
 
 ## Install Helm
 
 Please follow [official
-instructions](https://helm.sh/docs/using_helm/#installing-helm) to install
-`helm` client and server in your Kubernetes cluster.
+instructions](https://helm.sh/docs/intro/install/) to install `helm`.
 
-Required helm version: >= 2.7.2+
-
-## Custom your deployment with values file
+## Customize your deployment with values file
 
 Our chart provides a variety of options to configure deployment, see [provisioner/values.yaml](./provisioner/values.yaml).
 
@@ -41,75 +36,9 @@ Helm templating is used to generate the provisioner's DaemonSet, ConfigMap and
 other necessary objects' specs.  The generated specs can be further customized
 as needed (usually not necessary), and then deployed using kubectl.
 
-**helm template** uses 3 sources of information:
-
-1. Provisioner's chart templates
-2. Provisioner's default values.yaml which contains variables used for rendering a template.
-3. (Optional) User's customized values.yaml as a part of helm template command. User's provided
-   values will override default values of Provisioner's values.yaml.
-
 Here is basic workflow:
 
-### helm version < v3.0.0
-
-Install via helm template:
-
-```console
-git clone --depth=1 https://github.com/kubernetes-sigs/sig-storage-local-static-provisioner.git
-helm template ./helm/provisioner -f <path-to-your-values-file> --name <release-name> --namespace <namespace> > local-volume-provisioner.generated.yaml
-edit local-volume-provisioner.generated.yaml if necessary
-kubectl create -f local-volume-provisioner.generated.yaml
-```
-
-Delete:
-
-```console
-kubectl delete -f local-volume-provisioner.generated.yaml
-```
-
-Upgrade:
-
-**Update your custom values to match the new chart parameter**
-
-```console
-# Teardown the old provisioner
-kubectl delete -f local-volume-provisioner.generated.yaml
-
-# Update your custom values to match the new chart parameter
-
-# Apply the new generated.yaml
-kubectl create -f local-volume-provisioner.generated.yaml
-```
-
-### Install with `helm install` directly
-
-Helm provides an easy interface to install applications and sources into
-Kubernetes cluster. You can install local-volume-provisioner with `helm
-install` command directly. Here is basic workflow:
-
-Install:
-
-```console
-helm install ./helm/provisioner -f <path-to-your-values-file> --namespace <namespace> --name <release-name>
-```
-
-Note: set your preferred namespace and release name, e.g. `helm install ./helm/provisioner -f helm/examples/gke.yaml --namespace kube-system --name local-volume-provisioner`
-
-Delete:
-
-```console
-helm delete --purge <release-name>
-```
-
-Upgrade: **This action will `recreate` the running pod**
-
-**Update your custom values to match the new chart parameter**
-
-```console
-helm upgrade ./helm/provisioner -f <path-to-your-values-file> <release-name>
-```
-
-### helm version  >= v3.0.0
+### Install using helm repo
 
 Install by adding the repo as a Helm repo:
 
@@ -179,7 +108,7 @@ helm upgrade --reset-value -f <path-to-your-values-file> <release-name> --namesp
 
 `--reset-values` will reset custom values to the values from the new chart version. `-f` apply the custom values file on top.
 
-Please refer [helm docs](https://helm.sh/docs/using_helm/#using-helm) for more
+Please refer [helm docs](https://helm.sh/docs/intro/using_helm/) for more
 information.
 
 ## Configurations