Implement config read command

This command is used to read a config.json from a provisioned device

build/actions/config.js

@@ -0,0 +1,60 @@
+(function() {
+  var Promise, imagefs, prettyjson, resin, rindle, umount, visuals;
+
+  Promise = require('bluebird');
+
+  umount = Promise.promisifyAll(require('umount'));
+
+  resin = require('resin-sdk');
+
+  imagefs = require('resin-image-fs');
+
+  visuals = require('resin-cli-visuals');
+
+  prettyjson = require('prettyjson');
+
+  rindle = require('rindle');
+
+  exports.read = {
+    signature: 'config read',
+    description: 'read a device configuration',
+    help: 'Use this command to read the config.json file from a provisioned device\n\nExample:\n\n	$ resin config read --type raspberry-pi\n	$ resin config read --type raspberry-pi --drive /dev/disk2',
+    options: [
+      {
+        signature: 'type',
+        description: 'device type',
+        parameter: 'type',
+        alias: 't',
+        required: 'You have to specify a device type'
+      }, {
+        signature: 'drive',
+        description: 'drive',
+        parameter: 'drive',
+        alias: 'd'
+      }
+    ],
+    permission: 'user',
+    root: true,
+    action: function(params, options, done) {
+      return Promise["try"](function() {
+        return options.drive || visuals.drive('Select the device drive');
+      }).tap(umount.umountAsync).then(function(drive) {
+        return resin.models.device.getManifestBySlug(options.type).then(function(manifest) {
+          var config, ref;
+          config = (ref = manifest.configuration) != null ? ref.config : void 0;
+          if (config == null) {
+            throw new Error("Unsupported device type: " + options.type);
+          }
+          return imagefs.read({
+            image: drive,
+            partition: config.partition,
+            path: config.path
+          });
+        });
+      }).then(rindle.extract).then(JSON.parse).then(function(config) {
+        return console.log(prettyjson.render(config));
+      }).nodeify(done);
+    }
+  };
+
+}).call(this);

build/actions/index.js

@@ -10,7 +10,8 @@
     logs: require('./logs'),
     notes: require('./notes'),
     help: require('./help'),
-    os: require('./os')
+    os: require('./os'),
+    config: require('./config')
   };
 
 }).call(this);

build/app.js

@@ -96,6 +96,8 @@
 
   capitano.command(actions.os.initialize);
 
+  capitano.command(actions.config.read);
+
   capitano.command(actions.logs);
 
   update.notify();

capitanodoc.json

@@ -62,6 +62,12 @@
 				"lib/actions/os.coffee"
 			]
 		},
+		{
+			"title": "Config",
+			"files": [
+				"lib/actions/config.coffee"
+			]
+		},
 		{
 			"title": "Wizard",
 			"files": [

doc/cli.markdown

@@ -76,6 +76,10 @@ Now you have access to all the commands referenced below.
 	- [os configure <image> <uuid>](#os-configure-60-image-62-60-uuid-62-)
 	- [os initialize <image>](#os-initialize-60-image-62-)
 
+- Config
+
+	- [config read](#config-read)
+
 - Wizard
 
 	- [quickstart [name]](#quickstart-name-)
@@ -594,6 +598,27 @@ device type
 
 drive
 
+# Config
+
+## config read
+
+Use this command to read the config.json file from a provisioned device
+
+Example:
+
+	$ resin config read --type raspberry-pi
+	$ resin config read --type raspberry-pi --drive /dev/disk2
+
+### Options
+
+#### --type, -t <type>
+
+device type
+
+#### --drive, -d <drive>
+
+drive
+
 # Wizard
 
 ## quickstart [name]

lib/actions/config.coffee

@@ -0,0 +1,56 @@
+Promise = require('bluebird')
+umount = Promise.promisifyAll(require('umount'))
+resin = require('resin-sdk')
+imagefs = require('resin-image-fs')
+visuals = require('resin-cli-visuals')
+prettyjson = require('prettyjson')
+rindle = require('rindle')
+
+exports.read =
+	signature: 'config read'
+	description: 'read a device configuration'
+	help: '''
+		Use this command to read the config.json file from a provisioned device
+
+		Example:
+
+			$ resin config read --type raspberry-pi
+			$ resin config read --type raspberry-pi --drive /dev/disk2
+	'''
+	options: [
+		{
+			signature: 'type'
+			description: 'device type'
+			parameter: 'type'
+			alias: 't'
+			required: 'You have to specify a device type'
+		}
+		{
+			signature: 'drive'
+			description: 'drive'
+			parameter: 'drive'
+			alias: 'd'
+		}
+	]
+	permission: 'user'
+	root: true
+	action: (params, options, done) ->
+		Promise.try ->
+			return options.drive or visuals.drive('Select the device drive')
+		.tap(umount.umountAsync)
+		.then (drive) ->
+			resin.models.device.getManifestBySlug(options.type).then (manifest) ->
+				config = manifest.configuration?.config
+
+				if not config?
+					throw new Error("Unsupported device type: #{options.type}")
+
+				imagefs.read
+					image: drive
+					partition: config.partition
+					path: config.path
+		.then(rindle.extract)
+		.then(JSON.parse)
+		.then (config) ->
+			console.log(prettyjson.render(config))
+		.nodeify(done)

lib/actions/index.coffee

@@ -10,3 +10,4 @@ module.exports =
 	notes: require('./notes')
 	help: require('./help')
 	os: require('./os')
+	config: require('./config')

lib/app.coffee

@@ -69,6 +69,9 @@ capitano.command(actions.os.download)
 capitano.command(actions.os.configure)
 capitano.command(actions.os.initialize)
 
+# ---------- Config Module ----------
+capitano.command(actions.config.read)
+
 # ---------- Logs Module ----------
 capitano.command(actions.logs)
 

package.json

@@ -47,6 +47,7 @@
     "lodash": "^3.10.0",
     "nplugm": "^3.0.0",
     "president": "^2.0.0",
+    "prettyjson": "^1.1.3",
     "resin-cli-errors": "^1.0.0",
     "resin-cli-events": "^1.0.2",
     "resin-cli-form": "^1.3.0",
@@ -54,6 +55,7 @@
     "resin-config-inject": "^2.0.0",
     "resin-device-init": "^2.0.0",
     "resin-image": "^1.1.4",
+    "resin-image-fs": "^2.1.1",
     "resin-image-manager": "^3.2.2",
     "resin-pine": "^1.3.0",
     "resin-sdk": "^4.0.0",