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