delete some unused code

src/container.py

@@ -329,10 +329,6 @@ IP=%s
     def create_image(self,username,imagename,containername,description="not thing",imagenum=10):
         return self.imgmgr.createImage(username,imagename,containername,description,imagenum)
 
-    def flush_container(self,username,imagename,containername):
-        self.imgmgr.flush_one(username,imagename,containername)
-        logger.info("container: %s has been flushed" % containername)
-        return 0
     # check all local containers
     def check_allcontainers(self):
         [both, onlylocal, onlyglobal] = self.diff_containers()

src/vclustermgr.py

@@ -339,7 +339,6 @@ class VclusterMgr(object):
             proxytool.set_route('/go/'+username+'/'+clustername, target)
         except:
             return [False, "start cluster failed with setting proxy failed"]
-        info['containers'][0]
         # recover containers of this cluster
         for container in info['containers']:
             worker = self.nodemgr.ip_to_rpc(container['host'])

src/worker.py

@@ -16,7 +16,7 @@ import threading
 import etcdlib, network, container
 from nettools import netcontrol
 import monitor
-from lvmtool import *
+from lvmtool import new_group, recover_group
 
 ##################################################################
 #                       Worker
@@ -61,7 +61,7 @@ class Worker(object):
         if status:
             self.key = generatekey("machines/allnodes/"+self.addr)
         else:
-            logger.error("get key failed. %s" % node)
+            logger.error("get key failed. %s" % 'machines/runnodes/'+self.addr)
             sys.exit(1)
 
         # check token to check global directory

web/templates/base_AdminLTE.html

@@ -184,7 +184,7 @@
   <footer class="main-footer">
     <!-- To the right -->
     <div class="pull-right hidden-xs">
-		<i>Docklet 0.2.6</i>
+		<i>Docklet 0.2.7</i>
     </div>
     <!-- Default to the left -->
     <strong>Copyright</strong>&copy;&nbsp;2016 <a href="http://docklet.unias.org">UniAS</a>@<a href="http://www.sei.pku.edu.cn"> SEI, PKU</a>