Merge pull request #257 from resin-io/jviotti/feature/config-json-write

Implement config write command

build/actions/config.js

@@ -1,10 +1,14 @@
 (function() {
-  var Promise, imagefs, prettyjson, resin, rindle, umount, visuals;
+  var Promise, _, getConfigPartitionInformationByType, imagefs, prettyjson, readConfigJSON, resin, rindle, stringToStream, umount, visuals, writeConfigJSON;
+
+  _ = require('lodash');
 
   Promise = require('bluebird');
 
   umount = Promise.promisifyAll(require('umount'));
 
+  stringToStream = require('string-to-stream');
+
   resin = require('resin-sdk');
 
   imagefs = require('resin-image-fs');
@@ -15,10 +19,41 @@
 
   rindle = require('rindle');
 
+  getConfigPartitionInformationByType = function(type) {
+    return resin.models.device.getManifestBySlug(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: " + type);
+      }
+      return config;
+    });
+  };
+
+  readConfigJSON = function(drive, type) {
+    return getConfigPartitionInformationByType(type).then(function(configuration) {
+      return imagefs.read({
+        image: drive,
+        partition: configuration.partition,
+        path: configuration.path
+      });
+    }).then(rindle.extract).then(JSON.parse);
+  };
+
+  writeConfigJSON = function(drive, type, config) {
+    return getConfigPartitionInformationByType(type).then(function(configuration) {
+      return imagefs.write({
+        image: drive,
+        partition: configuration.partition,
+        path: configuration.path
+      }, stringToStream(config));
+    }).then(rindle.wait);
+  };
+
   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',
+    help: 'Use this command to read the config.json file from a provisioned device\n\nExamples:\n\n	$ resin config read --type raspberry-pi\n	$ resin config read --type raspberry-pi --drive /dev/disk2',
     options: [
       {
         signature: 'type',
@@ -39,20 +74,48 @@
       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) {
+        return readConfigJSON(drive, options.type);
-          var config, ref;
+      }).tap(function(config) {
-          config = (ref = manifest.configuration) != null ? ref.config : void 0;
+        return console.info(prettyjson.render(config));
-          if (config == null) {
+      }).nodeify(done);
-            throw new Error("Unsupported device type: " + options.type);
     }
-          return imagefs.read({
+  };
-            image: drive,
+
-            partition: config.partition,
+  exports.write = {
-            path: config.path
+    signature: 'config write <key> <value>',
+    description: 'write a device configuration',
+    help: 'Use this command to write the config.json file of a provisioned device\n\nExamples:\n\n	$ resin config write --type raspberry-pi username johndoe\n	$ resin config write --type raspberry-pi --drive /dev/disk2 username johndoe\n	$ resin config write --type raspberry-pi files.network/settings "..."',
+    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 readConfigJSON(drive, options.type).then(function(config) {
+          console.info("Setting " + params.key + " to " + params.value);
+          _.set(config, params.key, params.value);
+          return JSON.stringify(config);
+        }).tap(function() {
+          return umount.umountAsync(drive);
+        }).then(function(config) {
+          return writeConfigJSON(drive, options.type, config);
         });
-        });
+      }).tap(function() {
-      }).then(rindle.extract).then(JSON.parse).then(function(config) {
+        return console.info('Done');
-        return console.log(prettyjson.render(config));
       }).nodeify(done);
     }
   };

build/app.js

@@ -98,6 +98,8 @@
 
   capitano.command(actions.config.read);
 
+  capitano.command(actions.config.write);
+
   capitano.command(actions.logs);
 
   update.notify();

doc/cli.markdown

@@ -79,6 +79,7 @@ Now you have access to all the commands referenced below.
 - Config
 
 	- [config read](#config-read)
+	- [config write <key> <value>](#config-write-60-key-62-60-value-62-)
 
 - Wizard
 
@@ -604,7 +605,7 @@ drive
 
 Use this command to read the config.json file from a provisioned device
 
-Example:
+Examples:
 
 	$ resin config read --type raspberry-pi
 	$ resin config read --type raspberry-pi --drive /dev/disk2
@@ -619,6 +620,26 @@ device type
 
 drive
 
+## config write <key> <value>
+
+Use this command to write the config.json file of a provisioned device
+
+Examples:
+
+	$ resin config write --type raspberry-pi username johndoe
+	$ resin config write --type raspberry-pi --drive /dev/disk2 username johndoe
+	$ resin config write --type raspberry-pi files.network/settings "..."
+
+### Options
+
+#### --type, -t <type>
+
+device type
+
+#### --drive, -d <drive>
+
+drive
+
 # Wizard
 
 ## quickstart [name]

lib/actions/config.coffee

@@ -1,18 +1,47 @@
+_ = require('lodash')
 Promise = require('bluebird')
 umount = Promise.promisifyAll(require('umount'))
+stringToStream = require('string-to-stream')
 resin = require('resin-sdk')
 imagefs = require('resin-image-fs')
 visuals = require('resin-cli-visuals')
 prettyjson = require('prettyjson')
 rindle = require('rindle')
 
+getConfigPartitionInformationByType = (type) ->
+	return resin.models.device.getManifestBySlug(type).then (manifest) ->
+		config = manifest.configuration?.config
+
+		if not config?
+			throw new Error("Unsupported device type: #{type}")
+
+		return config
+
+readConfigJSON = (drive, type) ->
+	return getConfigPartitionInformationByType(type).then (configuration) ->
+		return imagefs.read
+			image: drive
+			partition: configuration.partition
+			path: configuration.path
+	.then(rindle.extract)
+	.then(JSON.parse)
+
+writeConfigJSON = (drive, type, config) ->
+	return getConfigPartitionInformationByType(type).then (configuration) ->
+		return imagefs.write
+			image: drive
+			partition: configuration.partition
+			path: configuration.path
+		, stringToStream(config)
+	.then(rindle.wait)
+
 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:
+		Examples:
 
 			$ resin config read --type raspberry-pi
 			$ resin config read --type raspberry-pi --drive /dev/disk2
@@ -39,18 +68,53 @@ exports.read =
 			return options.drive or visuals.drive('Select the device drive')
 		.tap(umount.umountAsync)
 		.then (drive) ->
-			resin.models.device.getManifestBySlug(options.type).then (manifest) ->
+			return readConfigJSON(drive, options.type)
-				config = manifest.configuration?.config
+		.tap (config) ->
-
+			console.info(prettyjson.render(config))
-				if not config?
+		.nodeify(done)
-					throw new Error("Unsupported device type: #{options.type}")
+
-
+exports.write =
-				imagefs.read
+	signature: 'config write <key> <value>'
-					image: drive
+	description: 'write a device configuration'
-					partition: config.partition
+	help: '''
-					path: config.path
+		Use this command to write the config.json file of a provisioned device
-		.then(rindle.extract)
+
-		.then(JSON.parse)
+		Examples:
-		.then (config) ->
+
-			console.log(prettyjson.render(config))
+			$ resin config write --type raspberry-pi username johndoe
+			$ resin config write --type raspberry-pi --drive /dev/disk2 username johndoe
+			$ resin config write --type raspberry-pi files.network/settings "..."
+	'''
+	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) ->
+			readConfigJSON(drive, options.type).then (config) ->
+				console.info("Setting #{params.key} to #{params.value}")
+				_.set(config, params.key, params.value)
+				return JSON.stringify(config)
+			.tap ->
+				return umount.umountAsync(drive)
+			.then (config) ->
+				return writeConfigJSON(drive, options.type, config)
+		.tap ->
+			console.info('Done')
 		.nodeify(done)

lib/app.coffee

@@ -71,6 +71,7 @@ capitano.command(actions.os.initialize)
 
 # ---------- Config Module ----------
 capitano.command(actions.config.read)
+capitano.command(actions.config.write)
 
 # ---------- Logs Module ----------
 capitano.command(actions.logs)

package.json

@@ -63,6 +63,7 @@
     "resin-vcs": "^2.0.0",
     "rimraf": "^2.4.3",
     "rindle": "^1.0.0",
+    "string-to-stream": "^1.0.1",
     "tmp": "0.0.28",
     "umount": "^1.1.1",
     "underscore.string": "^3.1.1",