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 name(self):
  18         return self.slice_spec['slice_fields']['name']
  19
  20     def get_slice(self,slice_name):
  21         for slice_spec in self.test_plc.plc_spec['slices']:
  22             if(slice_spec['slice_fields']['name']== slice_name):
  23                 return slice_spec
  24
  25     def delete_slice(self):
  26         owner_spec = self.test_site.locate_user(self.slice_spec['owner'])
  27         auth = TestUser(self,self.test_site,owner_spec).auth()
  28         slice_fields = self.slice_spec['slice_fields']
  29         slice_name = slice_fields['name']
  30         self.test_plc.server.DeleteSlice(auth,slice_fields['name'])
  31         utils.header("Deleted slice %s"%slice_fields['name'])
  32
  33
  34     def create_slice(self):
  35         owner_spec = self.test_site.locate_user(self.slice_spec['owner'])
  36         auth = TestUser(self,self.test_site,owner_spec).auth()
  37         slice_fields = self.slice_spec['slice_fields']
  38         slice_name = slice_fields['name']
  39
  40         self.test_plc.server.AddSlice(auth,slice_fields)
  41         for username in self.slice_spec['usernames']:
  42                 user_spec=self.test_site.locate_user(username)
  43                 test_user=TestUser(self,self.test_site,user_spec)
  44                 self.test_plc.server.AddPersonToSlice(auth, test_user.name(), slice_name)
  45
  46         hostnames=[]
  47         for nodename in self.slice_spec['nodenames']:
  48             node_spec=self.test_site.locate_node(nodename)
  49             test_node=TestNode(self,self.test_site,node_spec)
  50             hostnames += [test_node.name()]
  51         utils.header("Adding %r in %s"%(hostnames,slice_name))
  52         self.test_plc.server.AddSliceToNodes(auth, slice_name, hostnames)
  53         if self.slice_spec.has_key('initscriptname'):
  54             isname=self.slice_spec['initscriptname']
  55             utils.header("Adding initscript %s in %s"%(isname,slice_name))
  56             self.test_plc.server.AddSliceAttribute(self.test_plc.auth_root(), slice_name,'initscript',isname)
  57
  58     def clear_known_hosts (self):
  59         utils.header("Messing with known_hosts for slice %s"%self.name())
  60         # scan nodenames
  61         for nodename in self.slice_spec['nodenames']:
  62             self.test_plc.run_in_guest("sed -i -e /^%s/d /root/.ssh/known_hosts"%nodename)
  63         #scan public key and update the known_host file in the root image
  64         self.test_plc.scan_publicKeys(self.slice_spec['nodenames'])
  65
  66     def locate_key(self,slice_spec):
  67         # locate the first avail. key
  68         found=False
  69         for username in slice_spec['usernames']:
  70             user_spec=self.test_site.locate_user(username)
  71             for keyname in user_spec['keynames']:
  72                 key_spec=self.test_plc.locate_key(keyname)
  73                 test_key=TestKey(self.test_plc,key_spec)
  74                 publickey=test_key.publicpath()
  75                 privatekey=test_key.privatepath()
  76                 keyname=test_key.name()
  77                 if os.path.isfile(publickey) and os.path.isfile(privatekey):
  78                     found=True
  79         #create dir in plc root image
  80         remote_privatekey="/root/keys/%s.rsa"%keyname
  81         if not os.path.isfile(remote_privatekey):
  82             self.test_plc.run_in_guest("mkdir -p /root/keys" )
  83             self.test_plc.copy_in_guest(privatekey,remote_privatekey,True)
  84
  85         return (found,remote_privatekey)
  86
  87     def do_check_slice(self,options):
  88         bool=True
  89         self.clear_known_hosts()
  90         start_time = datetime.datetime.now()
  91         dead_time=start_time + datetime.timedelta(minutes=15)
  92         slice_spec = self.slice_spec
  93         for hostname in slice_spec['nodenames']:
  94             (site_spec,node_spec) = self.test_plc.locate_node(hostname)
  95             if TestNode.is_real_model(node_spec['node_fields']['model']):
  96                 utils.header("WARNING : Checking slice %s on real node %s skipped"%(self.name(),hostname))
  97                 continue
  98             (found,remote_privatekey)=self.locate_key(slice_spec)
  99             if not found :
 100                 raise Exception,"Cannot find a valid key for slice %s"%self.name()
 101                 break
 102             while (bool):
 103                 utils.header('trying to connect to %s@%s'%(self.name(),hostname))
 104                 Date=self.test_plc.run_in_guest('ssh -i %s %s@%s date'%(remote_privatekey,self.name(),hostname))
 105                 if (Date==0):
 106                     break
 107                 elif ( start_time  <= dead_time ) :
 108                     start_time=datetime.datetime.now()+ datetime.timedelta(seconds=45)
 109                     time.sleep(45)
 110                 elif (options.forcenm):
 111                     utils.header('%s@%s : restarting nm in case is in option on %s'%(self.name(),hostname,hostname))
 112                     access=self.test_plc.run_in_guest('ssh -i /etc/planetlab/root_ssh_key.rsa  root@%s service nm restart'%hostname)
 113                     if (access==0):
 114                         utils.header('nm restarted on %s'%hostname)
 115                     else:
 116                         utils.header('%s@%s : Failed to restart the NM on %s'%(self.name(),hostname,hostname))
 117                     utils.header('Try to reconnect to  %s@%s after the tentative of restarting NM'%(self.name(),hostname))
 118                     connect=self.test_plc.run_in_guest('ssh -i %s %s@%s date'%(remote_privatekey,self.name(),hostname))
 119                     if (not connect):
 120                         utils.header('connected to %s@%s -->'%(self.name(),hostname))
 121                         break
 122                     else:
 123                         utils.header('giving up with to %s@%s -->'%(self.name(),hostname))
 124                         bool=False
 125                         break
 126                 else:
 127                     bool=False
 128                     break
 129         return bool
 130
 131
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