linux plugin enable and disable

plugin/linux/index.coffee

@@ -13,16 +13,30 @@ exports.registerHook 'view.layout.menu_bar',
 exports.registerHook 'account.username_filter',
   filter: (username, callback) ->
     linux.getPasswdMap (passwd_map) ->
-      callback username in _.values passwd_map
+      if username in _.values passwd_map
+        callback false
+      else
+        callback true
 
 exports.registerHook 'view.panel.styles',
   path: '/plugin/linux/style/panel.css'
 
 exports.registerHook 'view.panel.widgets',
   generator: (req, callback) ->
+    exports.render 'widget', req,
+      resources_usage: null
+      storage_usage: null
+    , callback
+
+exports.registerHook 'account.resources_limit_changed',
+  action: (account, callback) ->
+    linux.setResourceLimit account, callback
 
 exports.registerServiceHook 'enable',
   action: (req, callback) ->
+    linux.createUser req.account, ->
+      linux.setResourceLimit account, callback
 
 exports.registerServiceHook 'disable',
   action: (req, callback) ->
+    linux.deleteUser req.account, callback

plugin/linux/linux.coffee

@@ -1,4 +1,5 @@
 fs = require 'fs'
+async = require 'async'
 _ = require 'underscore'
 
 {cache} = app
@@ -18,3 +19,41 @@ exports.getPasswdMap = (callback) ->
       callback result
   , (passwd_map) ->
     callback passwd_map
+
+exports.createUser = (account, callback) ->
+  async.series [
+    (callback) ->
+      child_process.exec "sudo useradd -m -s /bin/bash #{account.username}", callback
+
+    (callback) ->
+      child_process.exec "sudo usermod -G #{account.username} -a www-data", callback
+
+  ], (err) ->
+    console.error err if err
+    callback()
+
+exports.deleteUser = (account, callback) ->
+  async.series [
+    (callback) ->
+      child_process.exec "sudo pkill -u #{account.username}", callback
+
+    (callback) ->
+      child_process.exec "sudo userdel -rf #{account.username}", callback
+
+    (callback) ->
+      child_process.exec "sudo groupdel #{account.username}", callback
+
+  ], (err) ->
+    console.error err if err
+    callback()
+
+exports.setResourceLimit = (account, callback) ->
+  storage_limit = account.resources_limit.storage
+  soft_limit = (storage_limit * 1024 * 0.8).toFixed()
+  hard_limit = (storage_limit * 1024 * 1.2).toFixed()
+  soft_inode_limit = (storage_limit * 64 * 0.8).toFixed()
+  hard_inode_limit = (storage_limit * 64 * 1.2).toFixed()
+
+  child_process.exec "sudo setquota -u #{account.username} #{soft_limit} #{hard_limit} #{soft_inode_limit} #{hard_inode_limit} -a", (err) ->
+    console.error err if err
+    callback()

plugin/linux/service.coffee

@@ -3,12 +3,6 @@ path = require 'path'
 monitor = require './monitor'
 
 module.exports =
-  enable: (account, callback) ->
-    callback()
-
-  delete: (account, callback) ->
-    callback()
-
   widget: (account, callback) ->
     mysql = require '../mysql/service'
     mongodb = require '../mongodb/service'
@@ -19,7 +13,6 @@ module.exports =
         mongodb: _.partial(mongodb.storage, account)
       , (err, plugin_storage) ->
         jade.renderFile path.join(__dirname, 'view/widget.jade'),
-          account: account
           resources_usage: do ->
             usage = monitor.resources_usage[account.username] ? {cpu: 0, memory: 0}
             return {