Install stash cli using krew (#108)

Signed-off-by: Tamal Saha <tamal@appscode.com>

docs/setup/README.md

@@ -34,4 +34,5 @@ The setup section contains instructions for installing the Stash and its various
 - **Uninstall Stash:** Uninstallation instructions for Stash and its various components.
   - [Community Edition](/docs/setup/uninstall/community.md): Uninstallation instructions for Stash Community Edition.
   - [Enterprise Edition](/docs/setup/uninstall/enterprise.md): Uninstallation instructions for Stash Enterprise Edition.
+  - [Stash kubectl Plugin](/docs/setup/uninstall/kubectl_plugin.md): Uninstallation instructions for Stash `kubectl` plugin.
 - [Upgrading Stash](/docs/setup/upgrade.md): Instruction for updating Stash license and upgrading between various Stash versions.

docs/setup/install/kubectl_plugin.md

@@ -12,22 +12,65 @@ menu_name: docs_{{ .version }}
 section_menu_id: setup
 ---
 
-## Install Stash kubectl Plugin
+# Install Stash kubectl Plugin
 
-Stash provides a `kubectl` plugin to interact with Stash resources. You can download the pre-build binaries from [stashed/cli](https://github.com/stashed/cli/releases) releases and put it into one of your installation directory denoted by `$PATH` variable.
+Stash provides a `kubectl` plugin to interact with Stash resources.
+
+## Install using Krew
+
+Stash `kubectl` plugin can be installed using Krew. [Krew](https://krew.sigs.k8s.io/) is the plugin manager for kubectl command-line tool. To install follow the steps below:
+
+- Install `krew` following the steps [here](https://krew.sigs.k8s.io/docs/user-guide/setup/install/).
+
+- If you have already installed `krew`, please upgrade `krew` to version v0.4.0 or later so that you can use [custom plugin indexes](https://krew.sigs.k8s.io/docs/user-guide/custom-indexes/).
+
+```bash
+kubectl krew upgrade
+kubectl krew version
+```
+
+- Add [AppsCode's kubectl plugin index](https://github.com/appscode/krew-index). If you have already added the index, update the index.
+
+```bash
+kubectl krew index add appscode https://github.com/appscode/krew-index.git
+kubectl krew index list
+kubectl krew update
+```
+
+- Install Stash `kubectl` plugin following the commands below:
+
+```bash
+kubectl krew install appscode/stash
+kubectl stash version
+```
+
+- If Stash `kubectl` plugin is already installed, run the following command to upgrade the plugin:
+
+```bash
+kubectl krew upgrade
+kubectl stash version
+```
+
+## Install using pre-built binary
+
+You can download the pre-build binaries from [stashed/cli](https://github.com/stashed/cli/releases) releases and put it into one of your installation directory denoted by `$PATH` variable.
 
 Here is a simple Linux command to install the latest 64-bit Linux binary directly into your `/usr/local/bin` directory:
 
 ```bash
 # Linux amd 64-bit
-wget -O kubectl-stash https://github.com/stashed/cli/releases/download/{{< param "info.cli" >}}/kubectl-stash-linux-amd64 \
-  && chmod +x kubectl-stash \
-  && sudo mv kubectl-stash /usr/local/bin/
+curl -o kubectl-stash.tar.gz -fsSL https://github.com/stashed/cli/releases/download/{{< param "info.cli" >}}/kubectl-stash-linux-amd64.tar.gz \
+  && tar zxvf kubectl-stash.tar.gz \
+  && chmod +x kubectl-stash-linux-amd64 \
+  && sudo mv kubectl-stash-linux-amd64 /usr/local/bin/kubectl-stash \
+  && rm kubectl-stash.tar.gz LICENSE.md
 
 # Mac OSX 64-bit
-wget -O kubectl-stash https://github.com/stashed/cli/releases/download/{{< param "info.cli" >}}/kubectl-stash-darwin-amd64 \
-  && chmod +x kubectl-stash \
-  && sudo mv kubectl-stash /usr/local/bin/
+curl -o kubectl-stash.tar.gz -fsSL https://github.com/stashed/cli/releases/download/{{< param "info.cli" >}}/kubectl-stash-darwin-amd64.tar.gz \
+  && tar zxvf kubectl-stash.tar.gz \
+  && chmod +x kubectl-stash-darwin-amd64 \
+  && sudo mv kubectl-stash-darwin-amd64 /usr/local/bin/kubectl-stash \
+  && rm kubectl-stash.tar.gz LICENSE.md
 ```
 
 If you prefer to install kubectl Stash cli from source code, make sure that your go development environment has been setup properly. Then, just run:
@@ -36,4 +79,4 @@ If you prefer to install kubectl Stash cli from source code, make sure that your
 go get github.com/stashed/cli/...
 ```
 
->Please note that this will install kubectl stash cli from master branch which might include breaking and/or undocumented changes.
+>Please note that this will install Stash cli from master branch which might include breaking and/or undocumented changes.

docs/setup/uninstall/kubectl_plugin.md

@@ -0,0 +1,23 @@
+---
+title: Uninstall Stash kubectl Plugin
+description: Uninstallation guide for Stash kubectl Plugin
+menu:
+  docs_{{ .version }}:
+  identifier: uninstall-stash-kubectl-plugin
+    name: Stash kubectl Plugin
+    parent: uninstallation-guide
+    weight: 30
+product_name: stash
+menu_name: docs_{{ .version }}
+section_menu_id: setup
+---
+
+# Uninstall Stash kubectl Plugin
+
+## Uninstall using Krew
+
+To uninstall Stash `kubectl` plugin, run the following command:
+
+```bash
+kubectl krew uninstall stash
+```