system/TestSliceSfa.py

   1 # Thierry Parmentelat <thierry.parmentelat@inria.fr>
   2 # Copyright (C) 2010 INRIA
   3 #
   4 import utils
   5 import os, os.path
   6 import datetime
   7 import time
   8
   9 from TestKey import TestKey
  10 from TestUser import TestUser
  11 from TestNode import TestNode
  12 from TestSsh import TestSsh
  13
  14 class TestSliceSfa:
  15
  16     def __init__ (self,test_plc,test_site,slice_spec):
  17         self.test_plc=test_plc
  18         self.test_site=test_site
  19         self.slice_spec=slice_spec
  20         self.test_ssh=TestSsh(self.test_plc.test_ssh)
  21         # shortcuts
  22         self.sfa_spec=test_plc.plc_spec['sfa']
  23         self.piuser=self.sfa_spec['piuser']
  24         self.regularuser=self.sfa_spec['regularuser']
  25         self.slicename=self.slice_spec['slicename']
  26         self.login_base=self.sfa_spec['login_base']
  27
  28     def name(self):
  29         return self.slice_spec['slice_fields']['name']
  30
  31     def mode (self): return self.slice_spec['mode']
  32
  33     def hrn(self):
  34         root_auth=self.test_plc.plc_spec['sfa']['SFA_REGISTRY_ROOT_AUTH']
  35         return "%s.%s.%s"%(root_auth,self.login_base,self.slicename)
  36     def addslicefile (self):
  37         return self.resname("addslice","xml")
  38     def resname (self,name,ext): return "%s_%s.%s"%(self.slicename,name,ext)
  39     def adfile (self): return self.resname("ad","xml")
  40     def reqfile (self): return self.resname("req","xml")
  41     def nodefile (self): return self.resname("nodes","txt")
  42     def discover_option(self):
  43         if self.mode()=='pg': return "-r protogeni"
  44         else: return ""
  45
  46     def locate_key(self):
  47         for username,keyname in self.slice_spec['usernames']:
  48                 key_spec=self.test_plc.locate_key(keyname)
  49                 test_key=TestKey(self.test_plc,key_spec)
  50                 publickey=test_key.publicpath()
  51                 privatekey=test_key.privatepath()
  52                 if os.path.isfile(publickey) and os.path.isfile(privatekey):
  53                     found=True
  54         return (found,privatekey)
  55
  56     # dir_name is local and will be pushed later on
  57     def sfi_config (self,dir_name):
  58         # TODO this needs to be done remotely
  59         file_name=dir_name + os.sep + self.addslicefile()
  60         fileconf=open(file_name,'w')
  61         fileconf.write(self.slice_spec['slice_add_xml'])
  62         fileconf.write('\n')
  63         utils.header ("(Over)wrote %s"%file_name)
  64         fileconf.close()
  65         file_name=dir_name + os.sep + 'person.xml'
  66         fileconf=open(file_name,'w')
  67         fileconf.write(self.slice_spec['slice_person_xml'])
  68         fileconf.write('\n')
  69         fileconf.close()
  70         utils.header ("(Over)wrote %s"%file_name)
  71
  72     # those are step names exposed as methods of TestPlc, hence the _sfa
  73     def sfa_add_slice(self,options):
  74         return self.test_plc.run_in_guest("sfi.py -d /root/.sfi/ add %s"%(self.addslicefile()))==0
  75
  76     def sfa_discover(self,options):
  77         return self.test_plc.run_in_guest("sfi.py -d /root/.sfi/ %s resources -o /root/.sfi/%s"%(self.discover_option(),self.adfile()))==0
  78
  79     def sfa_create_slice(self,options):
  80         commands=[
  81             "sfiListNodes.py -i /root/.sfi/%s -o /root/.sfi/%s"%(self.adfile(),self.nodefile()),
  82             "sfiAddSliver.py -i /root/.sfi/%s -n /root/.sfi/%s -o /root/.sfi/%s"%(self.adfile(),self.nodefile(),self.reqfile()),
  83             "sfi.py -d /root/.sfi/ create %s %s"%(self.hrn(),self.reqfile()),
  84             ]
  85         for command in commands:
  86             if self.test_plc.run_in_guest(command)!=0: return False
  87         return True
  88
  89     # all local nodes in slice ?
  90     def sfa_check_slice_plc (self,options):
  91         slice_fields = self.slice_spec['slice_fields']
  92         slice_name = slice_fields['name']
  93         slice=self.test_plc.apiserver.GetSlices(self.test_plc.auth_root(), slice_name)[0]
  94         nodes=self.test_plc.apiserver.GetNodes(self.test_plc.auth_root(), {'peer_id':None})
  95         result=True
  96         for node in nodes:
  97             if node['node_id'] in slice['node_ids']:
  98                 utils.header("local node %s found in slice %s"%(node['hostname'],slice['name']))
  99             else:
 100                 utils.header("ERROR - local node %s NOT FOUND in slice %s"%(node['hostname'],slice['name']))
 101                 result=False
 102         return result
 103
 104     # actually the same for now
 105     def sfa_update_slice(self,options):
 106         return self.sfa_create_slice(options)
 107
 108     def sfa_delete_slice(self,options):
 109         self.test_plc.run_in_guest("sfi.py -d /root/.sfi/ delete %s.%s.%s"%(root_auth,self.login_base,self.slicename))
 110         return self.test_plc.run_in_guest("sfi.py -d /root/.sfi/ remove -t slice %s"%(self.hrn()))==0
 111
 112     # check the resulting sliver
 113     def ssh_slice_sfa(self,options,timeout_minutes=40,silent_minutes=30,period=15):
 114         timeout = datetime.datetime.now()+datetime.timedelta(minutes=timeout_minutes)
 115         graceout = datetime.datetime.now()+datetime.timedelta(minutes=silent_minutes)
 116         # locate a key
 117         (found,remote_privatekey)=self.locate_key()
 118         if not found :
 119             utils.header("WARNING: Cannot find a valid key for slice %s"%self.name())
 120             return False
 121
 122         # convert nodenames to real hostnames
 123         slice_spec = self.slice_spec
 124         restarted=[]
 125         tocheck=[]
 126         for nodename in slice_spec['nodenames']:
 127             (site_spec,node_spec) = self.test_plc.locate_node(nodename)
 128             tocheck.append(node_spec['node_fields']['hostname'])
 129
 130         utils.header("checking ssh access into slice %s on nodes %r"%(self.name(),tocheck))
 131         utils.header("max timeout is %d minutes, silent for %d minutes (period is %s)"%\
 132                          (timeout_minutes,silent_minutes,period))
 133         while tocheck:
 134             for hostname in tocheck:
 135                 (site_spec,node_spec) = self.test_plc.locate_hostname(hostname)
 136                 date_test_ssh = TestSsh (hostname,key=remote_privatekey,username=self.name())
 137                 command = date_test_ssh.actual_command("echo hostname ; hostname; echo id; id; echo uname -a ; uname -a")
 138                 date = utils.system (command, silent=datetime.datetime.now() < graceout)
 139                 if date==0:
 140                     utils.header("Successfuly entered slice %s on %s"%(self.name(),hostname))
 141                     tocheck.remove(hostname)
 142                 else:
 143                     # real nodes will have been checked once in case they're up - skip if not
 144                     if TestNode.is_real_model(node_spec['node_fields']['model']):
 145                         utils.header("WARNING : Checking slice %s on real node %s skipped"%(self.name(),hostname))
 146                         tocheck.remove(hostname)
 147                     # nm restart after first failure, if requested
 148                     if options.forcenm and hostname not in restarted:
 149                         utils.header ("forcenm option : restarting nm on %s"%hostname)
 150                         restart_test_ssh=TestSsh(hostname,key="keys/key1.rsa")
 151                         access=restart_test_ssh.actual_command('service nm restart')
 152                         if (access==0):
 153                             utils.header('nm restarted on %s'%hostname)
 154                         else:
 155                             utils.header('Failed to restart nm on %s'%(hostname))
 156                         restarted.append(hostname)
 157             if not tocheck:
 158                 # we're done
 159                 return True
 160             if datetime.datetime.now() > timeout:
 161                 for hostname in tocheck:
 162                     utils.header("FAILURE to ssh into %s@%s"%(self.name(),hostname))
 163                 return False
 164             # wait for the period
 165             time.sleep (period)
 166         # for an empty slice
 167         return True