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