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