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