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 from TestSsh import TestSsh
  10
  11 class TestSlice:
  12
  13     def __init__ (self,test_plc,test_site,slice_spec):
  14         self.test_plc=test_plc
  15         self.test_site=test_site
  16         self.slice_spec=slice_spec
  17         self.test_ssh=TestSsh(self.test_plc.test_ssh)
  18
  19     def name(self):
  20         return self.slice_spec['slice_fields']['name']
  21
  22     def get_slice(self,slice_name):
  23         for slice_spec in self.test_plc.plc_spec['slices']:
  24             if(slice_spec['slice_fields']['name']== slice_name):
  25                 return slice_spec
  26
  27     def delete_slice(self):
  28         owner_spec = self.test_site.locate_user(self.slice_spec['owner'])
  29         auth = TestUser(self,self.test_site,owner_spec).auth()
  30         slice_fields = self.slice_spec['slice_fields']
  31         slice_name = slice_fields['name']
  32         self.test_plc.apiserver.DeleteSlice(auth,slice_fields['name'])
  33         utils.header("Deleted slice %s"%slice_fields['name'])
  34
  35
  36     def create_slice(self):
  37         owner_spec = self.test_site.locate_user(self.slice_spec['owner'])
  38         auth = TestUser(self,self.test_site,owner_spec).auth()
  39         slice_fields = self.slice_spec['slice_fields']
  40         slice_name = slice_fields['name']
  41
  42         self.test_plc.apiserver.AddSlice(auth,slice_fields)
  43         for username in self.slice_spec['usernames']:
  44                 user_spec=self.test_site.locate_user(username)
  45                 test_user=TestUser(self,self.test_site,user_spec)
  46                 self.test_plc.apiserver.AddPersonToSlice(auth, test_user.name(), slice_name)
  47
  48         hostnames=[]
  49         for nodename in self.slice_spec['nodenames']:
  50             node_spec=self.test_site.locate_node(nodename)
  51             test_node=TestNode(self,self.test_site,node_spec)
  52             hostnames += [test_node.name()]
  53         utils.header("Adding %r in %s"%(hostnames,slice_name))
  54         self.test_plc.apiserver.AddSliceToNodes(auth, slice_name, hostnames)
  55         if self.slice_spec.has_key('initscriptname'):
  56             isname=self.slice_spec['initscriptname']
  57             utils.header("Adding initscript %s in %s"%(isname,slice_name))
  58             self.test_plc.apiserver.AddSliceAttribute(self.test_plc.auth_root(), slice_name,'initscript',isname)
  59
  60     def locate_key(self):
  61         # locate the first avail. key
  62         found=False
  63         for username in self.slice_spec['usernames']:
  64             user_spec=self.test_site.locate_user(username)
  65             for keyname in user_spec['keynames']:
  66                 key_spec=self.test_plc.locate_key(keyname)
  67                 test_key=TestKey(self.test_plc,key_spec)
  68                 publickey=test_key.publicpath()
  69                 privatekey=test_key.privatepath()
  70                 keyname=test_key.name()
  71                 if os.path.isfile(publickey) and os.path.isfile(privatekey):
  72                     found=True
  73         return (found,privatekey)
  74
  75     def check_slice(self,options,minutes=3):
  76         timeout = datetime.datetime.now()+datetime.timedelta(minutes=minutes)
  77
  78         # locate a key
  79         (found,remote_privatekey)=self.locate_key()
  80         if not found :
  81             utils.header("WARNING: Cannot find a valid key for slice %s"%self.name())
  82             return False
  83
  84         # convert nodenames to real hostnames
  85         slice_spec = self.slice_spec
  86         restarted=[]
  87         tocheck=[]
  88         for nodename in slice_spec['nodenames']:
  89             (site_spec,node_spec) = self.test_plc.locate_node(nodename)
  90             tocheck.append(node_spec['node_fields']['hostname'])
  91
  92         while tocheck:
  93             for hostname in tocheck:
  94                 (site_spec,node_spec) = self.test_plc.locate_hostname(hostname)
  95                 date_test_ssh = TestSsh (hostname,key=remote_privatekey,username=self.name())
  96                 # this can be ran locally as we have the key
  97                 utils.header('Trying to enter into slice %s@%s'%(self.name(),hostname))
  98                 date = date_test_ssh.run("id;hostname")
  99                 if not date:
 100                     utils.header("Successfuly entered slice %s on %s"%(self.name(),hostname))
 101                     tocheck.remove(hostname)
 102                 else:
 103                     # real nodes will have been checked once in case they're up - skip if not
 104                     if TestNode.is_real_model(node_spec['node_fields']['model']):
 105                         utils.header("WARNING : Checking slice %s on real node %s skipped"%(self.name(),hostname))
 106                         tocheck.remove(hostname)
 107                     # nm restart after first failure, if requested
 108                     if options.forcenm and hostname not in restarted:
 109                         utils.header ("forcenm option : restarting nm on %s"%hostname)
 110                         restart_test_ssh=TestSsh(hostname,key="/etc/planetlab/root_ssh_key.rsa")
 111                         access=self.test_plc.run_in_guest(restart_test_ssh.actual_command('service nm restart'))
 112                         if (access==0):
 113                             utils.header('nm restarted on %s'%hostname)
 114                         else:
 115                             utils.header('Failed to restart nm on %s'%(hostname))
 116                         restarted.append(hostname)
 117             if not tocheck:
 118                 # we're done
 119                 return True
 120             if datetime.datetime.now() > timeout:
 121                 for hostname in tocheck:
 122                     utils.header("FAILURE to ssh into %s@%s"%(self.name(),hostname))
 123                 return False
 124             time.sleep (15)
 125         # for an empty slice
 126         return True