system/TestResources.py

   1 #
   2 # $Id$
   3 #
   4
   5 import sys
   6
   7 import utils
   8 from TestMapper import TestMapper
   9 from TestPool import TestPoolQemu, TestPoolIP
  10 from Trackers import TrackerPlc, TrackerQemu
  11
  12 class TestResources:
  13
  14     # need more specialization, see an example in OnelabTestResources
  15
  16     ##########
  17     def localize (self,plcs,options):
  18         try:
  19             plcs = self.localize_qemus(plcs,options)
  20         except Exception, e:
  21             print 'Could not localize qemus','--',e,'--','exiting'
  22             sys.exit(1)
  23         try:
  24             plcs = self.localize_nodes(plcs,options)
  25         except Exception,e:
  26             print 'Could not localize nodes','--',e,'--','exiting'
  27             sys.exit(1)
  28         try:
  29             plcs = self.localize_plcs(plcs,options)
  30         except Exception,e:
  31             print 'Could not localize plcs','--',e,'--','exiting'
  32             sys.exit(1)
  33         try:
  34             plcs = self.localize_rspec(plcs,options)
  35         except Exception,e:
  36             print 'Could not localize RSpec','--',e,'--','exiting'
  37             sys.exit(1)
  38         return plcs
  39
  40     def localize_qemus (self,plcs,options):
  41
  42         # all plcs on the same vserver box
  43         plc_box = self.plc_boxes()[0]
  44
  45         # informative
  46         label=options.personality.replace("linux","")
  47
  48         node_map = []
  49         qemu_pool = TestPoolQemu (self.qemus_ip_pool(), options)
  50
  51         for index in range(options.size):
  52             index += 1
  53             if options.ips_qemu:
  54                 ip_or_hostname=options.ips_qemu.pop()
  55                 (hostname,ip,unused)=qemu_pool.locate_entry(ip_or_hostname)
  56             else:
  57                 (hostname,ip,unused) = qemu_pool.next_free()
  58
  59             node_map += [ ('node%d'%index, {'host_box':hostname},) ]
  60
  61         mapper = {'plc': [ ('*' , {'hostname':plc_box,
  62                                    'PLC_DB_HOST':plc_box,
  63                                    'PLC_API_HOST':plc_box,
  64                                    'PLC_BOOT_HOST':plc_box,
  65                                    'PLC_WWW_HOST':plc_box,
  66                                    'name':'%s-'+label } )
  67                            ],
  68                   'node': node_map,
  69                   }
  70
  71         return TestMapper(plcs,options).map(mapper)
  72
  73
  74     def localize_nodes (self, plcs, options):
  75
  76         ip_pool = TestPoolIP (self.nodes_ip_pool(),options)
  77         network_dict = self.network_dict()
  78
  79         test_mapper = TestMapper (plcs, options)
  80
  81         all_nodenames = test_mapper.node_names()
  82         maps = []
  83         for nodename in all_nodenames:
  84             if options.ips_node:
  85                 ip_or_hostname=options.ips_node.pop()
  86                 print 'debug','in',ip_or_hostname,'out',ip_pool.locate_entry(ip_or_hostname)
  87                 (hostname,ip,mac)=ip_pool.locate_entry(ip_or_hostname)
  88             else:
  89                 (hostname,ip,mac) = ip_pool.next_free()
  90             utils.header('Attaching node %s to %s (%s)'%(nodename,hostname,ip))
  91             node_dict= {'node_fields:hostname':hostname,
  92                         'interface_fields:ip':ip,
  93                         'interface_fields:mac':mac,
  94                         }
  95
  96             node_dict.update(network_dict)
  97             maps.append ( ( nodename, node_dict) )
  98
  99         plc_map = [ ( '*' , { 'PLC_NET_DNS1' : network_dict [ 'interface_fields:dns1' ],
 100                               'PLC_NET_DNS2' : network_dict [ 'interface_fields:dns2' ], } ) ]
 101
 102         return test_mapper.map ({'node': maps, 'plc' : plc_map } )
 103
 104
 105     def localize_plcs (self,plcs,options):
 106
 107         utils.header ("Turning configuration into a vserver-based one for onelab")
 108         ip_pool = TestPoolIP (self.plcs_ip_pool(),options)
 109
 110         plc_counter=0
 111         for plc in plcs:
 112             if options.ips_plc :
 113                 ip_or_hostname=options.ips_plc.pop()
 114                 (hostname,ip,mac)=ip_pool.locate_entry(ip_or_hostname)
 115                 if options.verbose:
 116                     utils.header("Using user-provided %s %s for plc %s"%(
 117                             hostname,ip_or_hostname,plc['name']))
 118             else:
 119                 (hostname,ip,mac)=ip_pool.next_free()
 120                 if options.verbose:
 121                     utils.header("Using auto-allocated %s %s for plc %s"%(
 122                             hostname,ip,plc['name']))
 123
 124             ### rewrite fields in plc
 125             # compute a helpful vserver name - remove domain in hostname
 126             simplehostname=hostname.split('.')[0]
 127             vservername = options.buildname
 128             if len(plcs) == 1 :
 129                 vservername = "%s-%s" % (vservername,simplehostname)
 130             else:
 131                 plc_counter += 1
 132                 vservername = "%s-%d-%s" % (vservername,plc_counter,simplehostname)
 133             # apply
 134             plc['vservername']=vservername
 135             plc['vserverip']=ip
 136             plc['name'] = "%s_%s"%(plc['name'],simplehostname)
 137             utils.header("Attaching plc %s to vserver %s (%s)"%(
 138                     plc['name'],plc['vservername'],plc['vserverip']))
 139             for key in [ 'PLC_DB_HOST', 'PLC_API_HOST', 'PLC_WWW_HOST', 'PLC_BOOT_HOST',]:
 140                 plc[key] = hostname
 141
 142         return plcs
 143
 144     # as a plc step this should return a boolean
 145     def step_pre (self,plc):
 146         return self.trqemu_record (plc) and self.trqemu_free(plc)
 147
 148     def step_post (self,plc):
 149         return self.trplc_record (plc) and self.trplc_free(plc)
 150
 151     def step_cleanup (self,plc):
 152         return self.trqemu_cleanup(plc) and self.trplc_cleanup(plc)
 153
 154     def step_list (self,plc):
 155         return self.trqemu_list(plc) and self.trplc_list(plc)
 156
 157     ####################
 158     def trqemu_record (self,plc):
 159         tracker=TrackerQemu(plc.options,instances=self.max_qemus()-1)
 160         for site_spec in plc.plc_spec['sites']:
 161             for node_spec in site_spec['nodes']:
 162                 tracker.record(node_spec['host_box'],plc.options.buildname,node_spec['node_fields']['hostname'])
 163         tracker.store()
 164         return True
 165
 166     def trqemu_free (self,plc):
 167         tracker=TrackerQemu(plc.options,instances=self.max_qemus()-1)
 168         for site_spec in plc.plc_spec['sites']:
 169             for node_spec in site_spec['nodes']:
 170                 tracker.free()
 171         tracker.store()
 172         return True
 173
 174     ###
 175     def trplc_record (self,plc):
 176         tracker = TrackerPlc(plc.options,instances=self.max_plcs())
 177         tracker.record(plc.test_ssh.hostname,plc.vservername)
 178         tracker.store()
 179         return True
 180
 181     def trplc_free (self,plc):
 182         tracker = TrackerPlc(plc.options,instances=self.max_plcs())
 183         tracker.free()
 184         tracker.store()
 185         return True
 186
 187     ###
 188     def trqemu_cleanup (self,plc):
 189         tracker=TrackerQemu(plc.options,instances=self.max_qemus()-1)
 190         for site_spec in plc.plc_spec['sites']:
 191             for node_spec in site_spec['nodes']:
 192                 tracker.cleanup()
 193         tracker.store()
 194         return True
 195
 196     def trplc_cleanup (self,plc):
 197         tracker = TrackerPlc(plc.options,instances=self.max_plcs())
 198         tracker.cleanup()
 199         tracker.store()
 200         return True
 201
 202     def trqemu_list (self,plc):
 203         TrackerQemu(plc.options,instances=self.max_qemus()-1).list()
 204         return True
 205
 206     def trplc_list (self,plc):
 207         TrackerPlc(plc.options,instances=self.max_plcs()).list()
 208         return True
 209
 210     def localize_rspec (self,plcs,options):
 211
 212         utils.header ("Localize SFA Slice RSpec")
 213
 214         for plc in plcs:
 215             for site in plc['sites']:
 216                 for node in site['nodes']:
 217                     plc['sfa']['sfa_slice_rspec']['part4'] = node['node_fields']['hostname']
 218
 219         return plcs