system/TestNode.py

   1 import os, sys, time, base64
   2 import xmlrpclib
   3
   4 import utils
   5 from TestUser import TestUser
   6 from TestBox import TestBox
   7
   8 class TestNode:
   9
  10     def __init__ (self,test_plc,test_site,node_spec):
  11         self.test_plc=test_plc
  12         self.test_site=test_site
  13         self.node_spec=node_spec
  14
  15     def name(self):
  16         return self.node_spec['node_fields']['hostname']
  17
  18     @staticmethod
  19     def is_qemu_model (model):
  20         return model.find("qemu") >= 0
  21     def is_qemu (self):
  22         return TestNode.is_qemu_model(self.node_spec['node_fields']['model'])
  23
  24     @staticmethod
  25     def is_real_model (model):
  26         return not TestNode.is_qemu_model(model)
  27     def is_real (self):
  28         return TestNode.is_real_model (self.node_spec['node_fields']['model'])
  29
  30     def buildname(self):
  31         return self.test_plc.options.buildname
  32
  33     def areaname (self):
  34         if self.is_qemu():
  35             return "qemu-%s"%self.name()
  36         else:
  37             return "real-%s"%self.name()
  38
  39     # this returns a hostname
  40     def host_box (self):
  41         if self.is_real ():
  42             return 'localhost'
  43         else:
  44             try:
  45                 return self.node_spec['host_box']
  46             except:
  47                 utils.header("WARNING : qemu nodes need a host box")
  48                 return 'localhost'
  49
  50     # this returns a TestBox instance - cached in .test_box_value
  51     def test_box (self):
  52         try:
  53             return self.test_box_value
  54         except:
  55             self.test_box_value = TestBox (self.host_box(),self.buildname())
  56             return self.test_box_value
  57
  58     def create_node (self):
  59         ownername = self.node_spec['owner']
  60         user_spec = self.test_site.locate_user(ownername)
  61         test_user = TestUser(self.test_plc,self.test_site,user_spec)
  62         userauth = test_user.auth()
  63         utils.header("node %s created by user %s"%(self.name(),test_user.name()))
  64         rootauth=self.test_plc.auth_root()
  65         server = self.test_plc.server
  66         server.AddNode(userauth,
  67                        self.test_site.site_spec['site_fields']['login_base'],
  68                        self.node_spec['node_fields'])
  69         # create as reinstall to avoid user confirmation
  70         server.UpdateNode(userauth, self.name(), {'boot_state':'rins'})
  71         # populate network interfaces - primary
  72         server.AddNodeNetwork(userauth,self.name(),
  73                                             self.node_spec['network_fields'])
  74         # populate network interfaces - others
  75         if self.node_spec.has_key('extra_interfaces'):
  76             for interface in self.node_spec['extra_interfaces']:
  77                 server.AddNodeNetwork(userauth,self.name(),
  78                                                     interface['network_fields'])
  79                 if interface.has_key('settings'):
  80                     for (attribute,value) in interface['settings'].iteritems():
  81                         # locate node network
  82                         nn = server.GetNodeNetworks(userauth,{'ip':interface['network_fields']['ip']})[0]
  83                         nnid=nn['nodenetwork_id']
  84                         # locate or create node network attribute type
  85                         try:
  86                             nnst = server.GetNodeNetworkSettingTypes(userauth,{'name':attribute})[0]
  87                         except:
  88                             nnst = server.AddNodeNetworkSettingType(rootauth,{'category':'test',
  89                                                                               'name':attribute})
  90                         # attach value
  91                         server.AddNodeNetworkSetting(userauth,nnid,attribute,value)
  92
  93     def delete_node (self):
  94         # uses the right auth as far as poss.
  95         try:
  96             ownername = self.node_spec['owner']
  97             user_spec = self.test_site.locate_user(ownername)
  98             test_user = TestUser(self.test_plc,self.test_site,user_spec)
  99             auth = test_user.auth()
 100         except:
 101             auth=self.test_plc.auth_root()
 102         self.test_plc.server.DeleteNode(auth,self.name())
 103
 104     # Do most of the stuff locally - will be pushed on host_box - *not* the plc - later if needed
 105     def prepare_area(self):
 106         utils.system("rm -rf %s"%self.areaname())
 107         utils.system("mkdir %s"%self.areaname())
 108         if self.is_qemu():
 109             utils.system("rsync -v -a --exclude .svn template-qemu/ %s/"%self.areaname())
 110
 111     def create_boot_cd(self):
 112         utils.header("Calling GetBootMedium for %s"%self.name())
 113         options = []
 114         if self.is_qemu():
 115             options=['serial']
 116         encoded=self.test_plc.server.GetBootMedium(self.test_plc.auth_root(), self.name(), 'node-iso', '', options)
 117         if (encoded == ''):
 118             raise Exception, 'GetBootmedium failed'
 119
 120         filename="%s/%s.iso"%(self.areaname(),self.name())
 121         utils.header('Storing boot medium into %s'%filename)
 122         file(filename,'w').write(base64.b64decode(encoded))
 123
 124     def configure_qemu(self):
 125         if not self.is_qemu():
 126             return
 127         mac=self.node_spec['network_fields']['mac']
 128         conf_filename="%s/start-qemu.conf"%(self.areaname())
 129         utils.header('Storing qemu config for %s in %s'%(self.name(),conf_filename))
 130         file=open(conf_filename,'w')
 131         file.write('MACADDR=%s\n'%mac)
 132         file.write('NODE_ISO=%s.iso\n'%self.name())
 133         file.close()
 134
 135         # if relevant, push the qemu area onto the host box
 136         if ( not self.test_box().is_local()):
 137             utils.header ("Transferring configuration files for node %s onto %s"%(self.name(),self.host_box()))
 138             self.test_box().clean_dir()
 139             self.test_box().mkdir()
 140             self.test_box().copy(self.areaname(),recursive=True)
 141
 142     def start_node (self,options):
 143         model=self.node_spec['node_fields']['model']
 144         #starting the Qemu nodes before
 145         if self.is_qemu():
 146             self.start_qemu(options)
 147         else:
 148             utils.header("TestNode.start_node : %s model %s taken as real node"%(self.name(),model))
 149
 150     def start_qemu (self, options):
 151         test_box = self.test_box()
 152         utils.header("Starting qemu node %s on %s"%(self.name(),test_box.hostname()))
 153
 154         test_box.run_in_buildname("qemu-%s/env-qemu start >> qemu-%s/env-qemu.log"%(
 155                 self.name(),self.name()))
 156         test_box.run_in_buildname("qemu-%s/start-qemu-node 2>&1 >> qemu-%s/start-qemu-node.log &"%(
 157                 self.name(),self.name()))
 158
 159     def kill_qemu (self):
 160         # kill the right processes
 161         utils.header("Stopping qemu for host %s on box %s"%(self.name(),self.test_box().hostname()))
 162         command="qemu_kill.sh %s"%self.name()
 163         self.test_box().run_in_buildname(command)
 164         return True