system/TestNode.py

   1 import sys, os, os.path, time, base64
   2 import xmlrpclib
   3
   4 import utils
   5 from TestUser import TestUser
   6 from TestBox import TestBox
   7 from TestSsh import TestSsh
   8
   9 class TestNode:
  10
  11     def __init__ (self,test_plc,test_site,node_spec):
  12         self.test_plc=test_plc
  13         self.test_site=test_site
  14         self.node_spec=node_spec
  15
  16     def name(self):
  17         return self.node_spec['node_fields']['hostname']
  18
  19     @staticmethod
  20     def is_qemu_model (model):
  21         return model.find("qemu") >= 0
  22     def is_qemu (self):
  23         return TestNode.is_qemu_model(self.node_spec['node_fields']['model'])
  24
  25     @staticmethod
  26     def is_real_model (model):
  27         return not TestNode.is_qemu_model(model)
  28     def is_real (self):
  29         return TestNode.is_real_model (self.node_spec['node_fields']['model'])
  30
  31     def buildname(self):
  32         return self.test_plc.options.buildname
  33
  34     def nodedir (self):
  35         if self.is_qemu():
  36             return "qemu-%s"%self.name()
  37         else:
  38             return "real-%s"%self.name()
  39
  40     # this returns a hostname
  41     def host_box (self):
  42         if self.is_real ():
  43             return 'localhost'
  44         else:
  45             try:
  46                 return self.node_spec['host_box']
  47             except:
  48                 utils.header("WARNING : qemu nodes need a host box")
  49                 return 'localhost'
  50
  51     # this returns a TestBox instance - cached in .test_box_value
  52     def test_box (self):
  53         try:
  54             return self.test_box_value
  55         except:
  56             self.test_box_value = TestBox (self.host_box(),self.buildname())
  57             return self.test_box_value
  58
  59     def create_node (self):
  60         ownername = self.node_spec['owner']
  61         user_spec = self.test_site.locate_user(ownername)
  62         test_user = TestUser(self.test_plc,self.test_site,user_spec)
  63         userauth = test_user.auth()
  64         utils.header("node %s created by user %s"%(self.name(),test_user.name()))
  65         rootauth=self.test_plc.auth_root()
  66         server = self.test_plc.apiserver
  67         server.AddNode(userauth,
  68                        self.test_site.site_spec['site_fields']['login_base'],
  69                        self.node_spec['node_fields'])
  70         server.SetNodePlainBootstrapfs(userauth,
  71                                        self.node_spec['node_fields']['hostname'],
  72                                        'YES')
  73         # create as reinstall to avoid user confirmation
  74         server.UpdateNode(userauth, self.name(), {'boot_state':'reinstall'})
  75         # populate network interfaces - primary
  76         server.AddInterface(userauth,self.name(),
  77                                             self.node_spec['interface_fields'])
  78         # populate network interfaces - others
  79         if self.node_spec.has_key('extra_interfaces'):
  80             for interface in self.node_spec['extra_interfaces']:
  81                 server.AddInterface(userauth,self.name(),
  82                                                     interface['interface_fields'])
  83                 if interface.has_key('settings'):
  84                     for (attribute,value) in interface['settings'].iteritems():
  85                         # locate node network
  86                         nn = server.GetInterfaces(userauth,{'ip':interface['interface_fields']['ip']})[0]
  87                         nnid=nn['interface_id']
  88                         # locate or create node network attribute type
  89                         try:
  90                             nnst = server.GetTagTypes(userauth,{'name':attribute})[0]
  91                         except:
  92                             nnst = server.AddTagType(rootauth,{'category':'test',
  93                                                                'tagname':attribute})
  94                         # attach value
  95                         server.AddInterfaceSetting(userauth,nnid,attribute,value)
  96
  97     def delete_node (self):
  98         # uses the right auth as far as poss.
  99         try:
 100             ownername = self.node_spec['owner']
 101             user_spec = self.test_site.locate_user(ownername)
 102             test_user = TestUser(self.test_plc,self.test_site,user_spec)
 103             auth = test_user.auth()
 104         except:
 105             auth=self.test_plc.auth_root()
 106         self.test_plc.apiserver.DeleteNode(auth,self.name())
 107
 108     # Do most of the stuff locally - will be pushed on host_box - *not* the plc - later if needed
 109     def init_node(self):
 110         utils.system("rm -rf %s"%self.nodedir())
 111         utils.system("mkdir %s"%self.nodedir())
 112         if not self.is_qemu():
 113             return True
 114         return utils.system("rsync -v -a --exclude .svn template-qemu/ %s/"%self.nodedir())==0
 115
 116     def bootcd(self):
 117         utils.header("Calling GetBootMedium for %s"%self.name())
 118         options = []
 119         if self.is_qemu():
 120             options.append('serial')
 121             options.append('no-hangcheck')
 122         encoded=self.test_plc.apiserver.GetBootMedium(self.test_plc.auth_root(),
 123                                                       self.name(), 'node-iso', '', options)
 124         if (encoded == ''):
 125             raise Exception, 'GetBootmedium failed'
 126
 127         filename="%s/%s.iso"%(self.nodedir(),self.name())
 128         utils.header('Storing boot medium into %s'%filename)
 129         if self.test_plc.options.dry_run:
 130             print "Dry_run: skipped writing of iso image"
 131             return True
 132         else:
 133             file(filename,'w').write(base64.b64decode(encoded))
 134             return True
 135
 136     def reinstall_node (self):
 137         self.test_plc.apiserver.UpdateNode(self.test_plc.auth_root(),
 138                                            self.name(),{'boot_state':'reinstall'})
 139         return True
 140
 141     def configure_qemu(self):
 142         if not self.is_qemu():
 143             return
 144         mac=self.node_spec['interface_fields']['mac']
 145         hostname=self.node_spec['node_fields']['hostname']
 146         ip=self.node_spec['interface_fields']['ip']
 147         auth=self.test_plc.auth_root()
 148         target_arch=self.test_plc.apiserver.GetPlcRelease(auth)['build']['target-arch']
 149         conf_filename="%s/qemu.conf"%(self.nodedir())
 150         if self.test_plc.options.dry_run:
 151             print "dry_run: skipped actual storage of qemu.conf"
 152             return True
 153         utils.header('Storing qemu config for %s in %s'%(self.name(),conf_filename))
 154         file=open(conf_filename,'w')
 155         file.write('MACADDR=%s\n'%mac)
 156         file.write('NODE_ISO=%s.iso\n'%self.name())
 157         file.write('HOSTNAME=%s\n'%hostname)
 158         file.write('IP=%s\n'%ip)
 159         file.write('TARGET_ARCH=%s\n'%target_arch)
 160         file.close()
 161         return True
 162
 163     def export_qemu (self):
 164         # if relevant, push the qemu area onto the host box
 165         if self.test_box().is_local():
 166             return True
 167         utils.header ("Cleaning any former sequel of %s on %s"%(self.name(),self.host_box()))
 168         self.test_box().run_in_buildname("rm -rf %s"%self.nodedir())
 169         utils.header ("Transferring configuration files for node %s onto %s"%(self.name(),self.host_box()))
 170         return self.test_box().copy(self.nodedir(),recursive=True)==0
 171
 172     def start_node (self):
 173         model=self.node_spec['node_fields']['model']
 174         #starting the Qemu nodes before
 175         if self.is_qemu():
 176             self.start_qemu()
 177         else:
 178             utils.header("TestNode.start_node : %s model %s taken as real node"%(self.name(),model))
 179         return True
 180
 181     def start_qemu (self):
 182         options = self.test_plc.options
 183         test_box = self.test_box()
 184         utils.header("Starting qemu node %s on %s"%(self.name(),test_box.hostname()))
 185
 186         test_box.run_in_buildname("%s/qemu-bridge-init start >> %s/log.txt"%(self.nodedir(),self.nodedir()))
 187         # kick it off in background, as it would otherwise hang
 188         test_box.run_in_buildname("%s/qemu-start-node 2>&1 >> %s/log.txt"%(self.nodedir(),self.nodedir()))
 189
 190     def list_qemu (self):
 191         utils.header("Listing qemu for host %s on box %s"%(self.name(),self.test_box().hostname()))
 192         command="%s/qemu-kill-node -l %s"%(self.nodedir(),self.name())
 193         self.test_box().run_in_buildname(command)
 194         return True
 195
 196     def kill_qemu (self):
 197         #Prepare the log file before killing the nodes
 198         test_box = self.test_box()
 199         # kill the right processes
 200         utils.header("Stopping qemu for host %s on box %s"%(self.name(),self.test_box().hostname()))
 201         command="%s/qemu-kill-node %s"%(self.nodedir(),self.name())
 202         self.test_box().run_in_buildname(command)
 203         return True
 204
 205     def gather_qemu_logs (self):
 206         if not self.is_qemu():
 207             return True
 208         remote_log="%s/log.txt"%self.nodedir()
 209         local_log="logs/node.qemu.%s.log"%self.name()
 210         self.test_box().test_ssh.fetch(remote_log,local_log)
 211
 212     def clear_known_hosts (self):
 213         TestSsh(self.name()).clear_known_hosts()
 214         return True
 215
 216     def create_test_ssh(self):
 217         # get the plc's keys for entering the node
 218         vservername=self.test_plc.vservername
 219         # assuming we've run testplc.fetch_keys()
 220         key = "keys/%(vservername)s.rsa"%locals()
 221         return TestSsh(self.name(), buildname=self.buildname(), key=key)
 222
 223     def check_sanity (self):
 224         extensions = [ 'py','pl','sh' ]
 225         path='tests/qaapi/qa/tests/node/'
 226         scripts=utils.locate_sanity_scripts ('node '+self.name(), path,extensions)
 227         overall = True
 228         for script in scripts:
 229             if not self.check_sanity_script (script):
 230                 overall = False
 231         return overall
 232
 233     def check_sanity_script (self,local_script):
 234         # push the script on the node's root context
 235         ssh_handle=self.create_test_ssh()
 236         ssh_handle.copy_home(local_script)
 237         script_name=os.path.basename(local_script)
 238         if ssh_handle.run("./"+script_name) != 0:
 239             print "WARNING: sanity check script %s FAILED"%script_name
 240             # xxx - temporary : always return true for now
 241             #return False
 242         return True
 243