linux plugin framework

plugin/linux/index.coffee

@@ -1,27 +1,28 @@
-service = require './service'
-monitor = require './monitor'
+{pluggable, config} = app
 
-{pluggable} = app
+linux = require './linux'
 
-app.view_hook.menu_bar.push
-  href: '/public/monitor/'
-  html: '服务器状态'
-
-module.exports =
+module.exports = pluggable.createHelpers exports =
   name: 'linux'
   type: 'service'
 
-  service: service
+exports.registerHook 'view.layout.menu_bar',
+  href: '/public/monitor/'
+  body: '服务器状态'
 
-  panel:
-    widget: service.widget
-    style:'/style/panel.css'
+exports.registerHook 'account.username_filter',
+  filter: (username, callback) ->
+    linux.getPasswdMap (passwd_map) ->
+      callback username in _.values passwd_map
 
-pluggable.account.username_filter.push (account, callback) ->
-  monitor.loadPasswd (passwd_cache) ->
-    if req.body.username in _.values(passwd_cache)
-      return callback false
+exports.registerHook 'view.panel.styles',
+  path: '/plugin/linux/style/panel.css'
 
-    callback true
+exports.registerHook 'view.panel.widgets',
+  generator: (req, callback) ->
 
-monitor.run()
+exports.registerServiceHook 'enable',
+  action: (req, callback) ->
+
+exports.registerServiceHook 'disable',
+  action: (req, callback) ->

plugin/linux/linux.coffee

@@ -0,0 +1,20 @@
+fs = require 'fs'
+_ = require 'underscore'
+
+{cache} = app
+
+exports.getPasswdMap = (callback) ->
+  cache.try 'linux.getPasswdMap',
+    command: cache.SETEX 120
+    is_json: true
+  , (callback) ->
+    fs.readFile '/etc/passwd', (err, content) ->
+      result = {}
+
+      for line in _.compact(content.toString().split '\n')
+        [username, password, uid] = line.split ':'
+        result[uid] = username
+
+      callback result
+  , (passwd_map) ->
+    callback passwd_map

plugin/linux/monitor.coffee

@@ -56,26 +56,6 @@ exports.loadMemoryInfo = (callback) ->
       swap_used_per: swap_used_per
       swap_free_per: swap_free_per
 
-exports.loadPasswd = (callback) ->
-  app.redis.get 'rp:passwd_cache', (err, result) ->
-    if result
-      passwd_cache = JSON.parse result
-      callback passwd_cache
-    else
-      fs.readFile '/etc/passwd', (err, content) ->
-        throw err if err
-        content = content.toString().split '\n'
-
-        passwd_cache = {}
-
-        for line in content
-          if line
-            [username, password, uid] = line.split ':'
-            passwd_cache[uid] = username
-
-        app.redis.setex 'rp:passwd_cache', 120, JSON.stringify(passwd_cache), ->
-          callback passwd_cache
-
 exports.getProcessList = (callback) ->
   app.redis.get 'rp:process_list', (err, plist) ->
     if plist