system/TestSlice.py

   1 import utils
   2 import os, os.path
   3 import datetime
   4 import time
   5
   6 from TestKey import TestKey
   7 from TestUser import TestUser
   8 from TestNode import TestNode
   9
  10 class TestSlice:
  11
  12     def __init__ (self,test_plc,test_site,slice_spec):
  13         self.test_plc=test_plc
  14         self.test_site=test_site
  15         self.slice_spec=slice_spec
  16
  17     def delete_slice(self):
  18         owner_spec = self.test_site.locate_user(self.slice_spec['owner'])
  19         auth = TestUser(self,self.test_site,owner_spec).auth()
  20         slice_fields = self.slice_spec['slice_fields']
  21         slice_name = slice_fields['name']
  22         self.test_plc.server.DeleteSlice(auth,slice_fields['name'])
  23         utils.header("Deleted slice %s"%slice_fields['name'])
  24
  25
  26     def create_slice(self):
  27         owner_spec = self.test_site.locate_user(self.slice_spec['owner'])
  28         auth = TestUser(self,self.test_site,owner_spec).auth()
  29         slice_fields = self.slice_spec['slice_fields']
  30         slice_name = slice_fields['name']
  31
  32         self.test_plc.server.AddSlice(auth,slice_fields)
  33         for username in self.slice_spec['usernames']:
  34                 user_spec=self.test_site.locate_user(username)
  35                 test_user=TestUser(self,self.test_site,user_spec)
  36                 self.test_plc.server.AddPersonToSlice(auth, test_user.name(), slice_name)
  37
  38         hostnames=[]
  39         for nodename in self.slice_spec['nodenames']:
  40             node_spec=self.test_site.locate_node(nodename)
  41             test_node=TestNode(self,self.test_site,node_spec)
  42             hostnames += [test_node.name()]
  43         utils.header("Adding %r in %s"%(hostnames,slice_name))
  44         self.test_plc.server.AddSliceToNodes(auth, slice_name, hostnames)
  45         if self.slice_spec.has_key('initscriptname'):
  46             isname=self.slice_spec['initscriptname']
  47             utils.header("Adding initscript %s in %s"%(isname,slice_name))
  48             self.test_plc.server.AddSliceAttribute(self.test_plc.auth_root(), slice_name,'initscript',isname)
  49
  50
  51     def delete_known_hosts(self):
  52         utils.header("Messing with known_hosts (cleaning hostnames starting with 'test[0-9]')")
  53         sed_command="sed -i -e '/^test[0-9]/d' /root/.ssh/known_hosts"
  54         self.test_plc.run_in_guest(sed_command)
  55
  56     ###the logic is quit wrong, must be rewritten
  57     def do_check_slices(self):
  58         utils.header("waiting for the nodes to fully boot")
  59         time.sleep(300)
  60         bool=bool1=True
  61         secondes=15
  62         self.delete_known_hosts()
  63         start_time = datetime.datetime.now()
  64         dead_time=start_time + datetime.timedelta(minutes=6)
  65         for slice_spec in self.test_plc.plc_spec['slices']:
  66             for hostname in slice_spec['nodenames']:
  67                 slicename=slice_spec['slice_fields']['name']
  68                 # locate the first avail. key
  69                 found=False
  70                 for username in slice_spec['usernames']:
  71                     user_spec=self.test_site.locate_user(username)
  72                     for keyname in user_spec['keynames']:
  73                         key_spec=self.test_plc.locate_key(keyname)
  74                         publickey=TestKey(self.test_plc,key_spec).publicpath()
  75                         privatekey=TestKey(self.test_plc,key_spec).privatepath()
  76                         if os.path.isfile(publickey) and os.path.isfile(privatekey):
  77                             found=True
  78                             break
  79                 if not found:
  80                     raise Exception,"Cannot find a valid key for slice %s"%slicename
  81
  82                 while(bool):
  83                     utils.header('restarting nm on %s'%hostname)
  84                     access=self.test_plc.run_in_guest('ssh -i /etc/planetlab/root_ssh_key.rsa root@%s service nm restart'%hostname )
  85                     if (access==0):
  86                         utils.header('nm restarted on %s'%hostname)
  87                         while(bool1):
  88                             utils.header('trying to connect to %s@%s'%(slicename,hostname))
  89                             Date=utils.system('ssh -i %s %s@%s date'%(privatekey,slicename,hostname))
  90                             if (Date==0):
  91                                 break
  92                             elif ( start_time  <= dead_time ) :
  93                                 start_time=datetime.datetime.now()+ datetime.timedelta(seconds=30)
  94                                 time.sleep(secondes)
  95                             else:
  96                                 bool1=False
  97                         if(bool1):
  98                             utils.header('connected to %s@%s -->'%(slicename,hostname))
  99                         else:
 100                             utils.header('%s@%s : last chance - restarting nm on %s'%(slicename,hostname,hostname))
 101                             access=utils.system('ssh -i /etc/planetlab/root_ssh_key.rsa  root@%s service nm restart'%hostname)
 102                             time.sleep(240)##temoprally adding some delay due to the network slowness
 103                             if (access==0):
 104                                 utils.header('trying to connect (2) to %s@%s'%(slicename,hostname))
 105                                 Date=utils.system('ssh -i %s %s@%s date'%(privatekey,slicename,hostname))
 106                                 if (Date==0):
 107                                     utils.header('connected to %s@%s -->'%(slicename,hostname))
 108                                 else:
 109                                     utils.header('giving up with to %s@%s -->'%(slicename,hostname))
 110                                     return False
 111                             else :
 112                                 utils.header('Last chance failed on %s@%s -->'%(slicename,hostname))
 113                         break
 114                     elif ( start_time  <= dead_time ) :
 115                         start_time=datetime.datetime.now()+ datetime.timedelta(minutes=1)
 116                         time.sleep(secondes)
 117                     else:
 118                         bool=False
 119
 120         return bool
 121