Add node-stop helper

README.md

@@ -25,7 +25,7 @@ When preparing your runtime, this engine compiles code by doing the following:
 This engine provides helper scripts to make managing your Elixir application easier.
 
 ### node-attach
-The `node-attach` helper facilitates connecting to an Elixir node that was started with `elixir-start`.
+The `node-attach` helper facilitates connecting to an Elixir node that was started with `node-start`.
 
 ```bash
 node-attach
@@ -40,6 +40,13 @@ node-start mix phoenix.server
 node-start mix run —no-halt
 ```
 
+### node-stop
+The `node-stop` helper ensures that an Elixir node started with `node-start` is stopped gracefully.
+
+```bash
+node-stop
+```
+
 ## Configuration Options
 This engine exposes configuration options through the [boxfile.yml](http://docs.nanobox.io/boxfile/), a yaml config file used to provision and configure your app's infrastructure when using Nanobox. This engine makes the following options available.
 

files/bin/node-attach

@@ -1,11 +1,11 @@
 #!/bin/bash
-# 
+#
 # A simple wrapper to facilitate connecting to an elixir
-# node that was started with `elixir-start`
-# 
+# node that was started with `node-start`
+#
 # Usage:
 # node-attach
-# 
+#
 
 # exit if any any command fails
 set -e

files/bin/node-stop

@@ -0,0 +1,21 @@
+#!/bin/bash
+#
+# A simple wrapper to facilitate stopping an elixir node that was
+# started with `node-start`
+#
+# Usage:
+# node-stop
+#
+
+# exit if any any command fails
+set -e
+
+# establish the name and cookie (if available)
+name="stop@$(hostname -i)"
+cookie="${COOKIE:-nanobox}"
+remote="${HOSTNAME//./-}@$(hostname -i)"
+
+elixir \
+  --name $name \
+  --cookie $cookie \
+  -e ":rpc.call(:\"$remote\", :init, :stop, [])"