system/TestNode.py

   1 import os, sys, time, base64
   2 import xmlrpclib
   3
   4 import utils
   5 from TestUser import TestUser
   6
   7 class TestNode:
   8
   9     def __init__ (self,test_plc,test_site,node_spec):
  10         self.test_plc=test_plc
  11         self.test_site=test_site
  12         self.node_spec=node_spec
  13
  14     def name(self):
  15         return self.node_spec['node_fields']['hostname']
  16
  17     @staticmethod
  18     def is_vmware_model(model):
  19         return model.find("vmware") >= 0
  20     def is_vmware (self):
  21         return TestNode.is_vmware_model(self.node_spec['node_fields']['model'])
  22
  23     @staticmethod
  24     def is_qemu_model (model):
  25         return model.find("qemu") >= 0
  26     def is_qemu (self):
  27         return TestNode.is_qemu_model(self.node_spec['node_fields']['model'])
  28
  29     @staticmethod
  30     def is_real_model (model):
  31         return (not TestNode.is_vmware_model(model)) \
  32             and (not TestNode.is_qemu_model(model))
  33     def is_real (self):
  34         return TestNode.is_real_model (self.node_spec['node_fields']['model'])
  35
  36     def host_box (self):
  37         try:
  38             return self.node_spec['host_box']
  39         except:
  40             return 'localhost'
  41
  42     def create_node (self):
  43         ownername = self.node_spec['owner']
  44         user_spec = self.test_site.locate_user(ownername)
  45         test_user = TestUser(self.test_plc,self.test_site,user_spec)
  46         userauth = test_user.auth()
  47         utils.header("node %s created by user %s"%(self.name(),test_user.name()))
  48         rootauth=self.test_plc.auth_root()
  49         server = self.test_plc.server
  50         server.AddNode(userauth,
  51                        self.test_site.site_spec['site_fields']['login_base'],
  52                        self.node_spec['node_fields'])
  53         # create as reinstall to avoid user confirmation
  54         server.UpdateNode(userauth, self.name(), {'boot_state':'rins'})
  55         # populate network interfaces - primary
  56         server.AddNodeNetwork(userauth,self.name(),
  57                                             self.node_spec['network_fields'])
  58         # populate network interfaces - others
  59         if self.node_spec.has_key('extra_interfaces'):
  60             for interface in self.node_spec['extra_interfaces']:
  61                 server.AddNodeNetwork(userauth,self.name(),
  62                                                     interface['network_fields'])
  63                 if interface.has_key('attributes'):
  64                     for (attribute,value) in interface['attributes'].iteritems():
  65                         # locate node network
  66                         nn = server.GetNodeNetworks(userauth,{'ip':interface['network_fields']['ip']})[0]
  67                         nnid=nn['nodenetwork_id']
  68                         # locate or create node network attribute type
  69                         try:
  70                             nnst = server.GetNodeNetworkSettingTypes(userauth,{'name':attribute})[0]
  71                         except:
  72                             nnst = server.AddNodeNetworkSettingType(rootauth,{'category':'test',
  73                                                                           'name':attribute})
  74                         # attach value
  75                         server.AddNodeNetworkSetting(userauth,nnid,attribute,value)
  76
  77     def delete_node (self):
  78         # uses the right auth as far as poss.
  79         try:
  80             ownername = self.node_spec['owner']
  81             user_spec = self.test_site.locate_user(ownername)
  82             test_user = TestUser(self.test_plc,self.test_site,user_spec)
  83             auth = test_user.auth()
  84         except:
  85             auth=self.test_plc.auth_root()
  86         self.test_plc.server.DeleteNode(auth,self.name())
  87
  88     def get_node_status(self,hostname):
  89         filter=['boot_state']
  90         status=False
  91         node_status=self.test_plc.server.GetNodes(self.test_plc.auth_root(),hostname, filter)
  92         utils.header('Actual status for node %s is [%s]'%(hostname,node_status))
  93         if (node_status[0]['boot_state'] == 'boot'):
  94             utils.header('%s has reached boot state'%hostname)
  95             status=True
  96         elif (node_status[0]['boot_state'] == 'dbg' ):
  97             utils.header('%s has reached debug state'%hostname)
  98         return status
  99
 100     def conffile(self,image,hostname,path):
 101         model=self.node_spec['node_fields']['model']
 102         if self.is_vmware():
 103             host_box=self.host_box()
 104             template='%s/template-vmplayer/node.vmx'%(path)
 105             actual='%s/vmplayer-%s/node.vmx'%(path,hostname)
 106             sed_command="sed -e s,@BOOTCD@,%s,g %s > %s"%(image,template,actual)
 107             utils.header('Creating %s from %s'%(actual,template))
 108             utils.system(sed_command)
 109         elif self.is_qemu():
 110             host_box=self.host_box()
 111             mac=self.node_spec['network_fields']['mac']
 112             dest_dir="qemu-%s"%(hostname)
 113             utils.header('Storing the mac address for node %s'%hostname)
 114             file=open(path+'/qemu-'+hostname+'/MAC','a')
 115             file.write('%s\n'%mac)
 116             file.write(dest_dir)
 117             file.close()
 118             utils.header ('Transferring configuration files for node %s into %s '%(hostname,host_box))
 119             cleandir_command="ssh root@%s rm -rf %s"%(host_box, dest_dir)
 120             createdir_command = "ssh root@%s mkdir -p  %s"%(host_box, dest_dir)
 121             utils.system(cleandir_command)
 122             utils.system(createdir_command)
 123             scp_command = "scp -r %s/qemu-%s/* root@%s:/root/%s"%(path,hostname,host_box,dest_dir)
 124             utils.system(scp_command)
 125
 126     def create_boot_cd(self,path):
 127         model=self.node_spec['node_fields']['model']
 128         node_spec=self.node_spec
 129         hostname=node_spec['node_fields']['hostname']
 130         encoded=self.test_plc.server.GetBootMedium(self.test_plc.auth_root(), hostname, 'node-iso', '')
 131         if (encoded == ''):
 132             raise Exception, 'boot.iso not found'
 133
 134         if model.find("vmware") >= 0:
 135             utils.header('Initializing vmplayer area for node %s'%hostname)
 136             clean_dir="rm -rf %s/vmplayer-%s"%(path,hostname)
 137             mkdir_command="mkdir -p %s/vmplayer-%s"%(path,hostname)
 138             tar_command="tar -C %s/template-vmplayer -cf - . | tar -C %s/vmplayer-%s -xf -"%(path,path,hostname)
 139             utils.system(clean_dir)
 140             utils.system(mkdir_command)
 141             utils.system(tar_command);
 142             utils.header('Creating boot medium for node %s'%hostname)
 143             file=open(path+'/vmplayer-'+hostname+'/boot_file.iso','w')
 144         elif  model.find("qemu") >= 0:
 145             clean_dir="rm -rf %s/qemu-%s"%(path,hostname)
 146             mkdir_command="mkdir -p %s/qemu-%s"%(path,hostname)
 147             utils.system(clean_dir)
 148             utils.system(mkdir_command)
 149             copy_command="cp -r  %s/template-Qemu/* %s/qemu-%s"%(path,path,hostname)
 150             utils.system(copy_command)
 151             utils.header('Creating boot medium for node %s'%hostname)
 152             file=open(path+'/qemu-'+hostname+'/boot_file.iso','w')
 153         else:
 154             nodepath="%s/real-%s"%(path,hostname)
 155             utils.system("rm -rf %s"%nodepath)
 156             utils.system("mkdir %s"%nodepath)
 157             file=open("%s/%s"%(nodepath,"/boot_file.iso"),'w')
 158
 159         file.write(base64.b64decode(encoded))
 160         file.close()
 161         utils.header('boot cd created for %s'%hostname)
 162         self.conffile('boot_file.iso',hostname, path)
 163
 164     def start_node (self,options):
 165         model=self.node_spec['node_fields']['model']
 166         if model.find("vmware") >= 0:
 167             self.start_vmware(options)
 168         elif model.find("qemu") >= 0:
 169             self.start_qemu(options)
 170         else:
 171             utils.header("TestNode.start_node : ignoring model %s"%model)
 172
 173     def start_vmware (self,options):
 174         hostname=self.node_spec['node_fields']['hostname']
 175         path=options.path
 176         display=options.display
 177         utils.header('Starting vmplayer for node %s on %s'%(hostname,display))
 178         utils.system('cd %s/vmplayer-%s ; DISPLAY=%s vmplayer node.vmx < /dev/null >/dev/null 2>/dev/null &'%(path,hostname,display))
 179
 180     def start_qemu (self, options):
 181         host_box=self.host_box()
 182         hostname=self.node_spec['node_fields']['hostname']
 183         path=options.path
 184         display=options.display
 185         dest_dir="qemu-%s"%(hostname)
 186         utils.header('Starting qemu for node %s '%(hostname))
 187         utils.system("ssh root@%s ~/%s/env-qemu start "%(host_box, dest_dir ))
 188         utils.system("ssh  root@%s DISPLAY=%s  ~/%s/start-qemu-node %s & "%( host_box, display, dest_dir, dest_dir))
 189
 190     def stop_qemu(self):
 191         if not self.is_qemu():
 192             return True
 193         hostname=self.node_spec['node_fields']['hostname']
 194         host_box=self.host_box()
 195         utils.system('ssh root@%s  killall qemu'%host_box)
 196         utils.header('Stoping qemu emulation of %s on the host machine %s and Restoring the initial network'
 197                      %(hostname,host_box))
 198         utils.system("ssh root@%s ~/qemu-%s/env-qemu stop "%(host_box, hostname ))
 199         return True