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(), interface['interface_fields'])
  82                 if interface.has_key('settings'):
  83                     for (attribute,value) in interface['settings'].iteritems():
  84                         # locate node network
  85                         interface = server.GetInterfaces(userauth,{'ip':interface['interface_fields']['ip']})[0]
  86                         interface_id=interface['interface_id']
  87                         # locate or create node network attribute type
  88                         try:
  89                             interface_tagtype = server.GetTagTypes(userauth,{'name':attribute})[0]
  90                         except:
  91                             interface_tagtype = server.AddTagType(rootauth,{'category':'test',
  92                                                                             'tagname':attribute})
  93                         # attach value
  94                         server.AddInterfaceTag(userauth,interface_id,attribute,value)
  95
  96     def delete_node (self):
  97         # uses the right auth as far as poss.
  98         try:
  99             ownername = self.node_spec['owner']
 100             user_spec = self.test_site.locate_user(ownername)
 101             test_user = TestUser(self.test_plc,self.test_site,user_spec)
 102             auth = test_user.auth()
 103         except:
 104             auth=self.test_plc.auth_root()
 105         self.test_plc.apiserver.DeleteNode(auth,self.name())
 106
 107     # Do most of the stuff locally - will be pushed on host_box - *not* the plc - later if needed
 108     def init_node(self):
 109         utils.system("rm -rf %s"%self.nodedir())
 110         utils.system("mkdir %s"%self.nodedir())
 111         if not self.is_qemu():
 112             return True
 113         return utils.system("rsync -v -a --exclude .svn template-qemu/ %s/"%self.nodedir())==0
 114
 115     def bootcd(self):
 116         utils.header("Calling GetBootMedium for %s"%self.name())
 117         options = []
 118         if self.is_qemu():
 119             options.append('serial')
 120             options.append('no-hangcheck')
 121         encoded=self.test_plc.apiserver.GetBootMedium(self.test_plc.auth_root(),
 122                                                       self.name(), 'node-iso', '', options)
 123         if (encoded == ''):
 124             raise Exception, 'GetBootmedium failed'
 125
 126         filename="%s/%s.iso"%(self.nodedir(),self.name())
 127         utils.header('Storing boot medium into %s'%filename)
 128         if self.test_plc.options.dry_run:
 129             print "Dry_run: skipped writing of iso image"
 130             return True
 131         else:
 132             file(filename,'w').write(base64.b64decode(encoded))
 133             return True
 134
 135     def reinstall_node (self):
 136         self.test_plc.apiserver.UpdateNode(self.test_plc.auth_root(),
 137                                            self.name(),{'boot_state':'reinstall'})
 138         return True
 139
 140     def configure_qemu(self):
 141         if not self.is_qemu():
 142             return
 143         mac=self.node_spec['interface_fields']['mac']
 144         hostname=self.node_spec['node_fields']['hostname']
 145         ip=self.node_spec['interface_fields']['ip']
 146         auth=self.test_plc.auth_root()
 147         target_arch=self.test_plc.apiserver.GetPlcRelease(auth)['build']['target-arch']
 148         conf_filename="%s/qemu.conf"%(self.nodedir())
 149         if self.test_plc.options.dry_run:
 150             print "dry_run: skipped actual storage of qemu.conf"
 151             return True
 152         utils.header('Storing qemu config for %s in %s'%(self.name(),conf_filename))
 153         file=open(conf_filename,'w')
 154         file.write('MACADDR=%s\n'%mac)
 155         file.write('NODE_ISO=%s.iso\n'%self.name())
 156         file.write('HOSTNAME=%s\n'%hostname)
 157         file.write('IP=%s\n'%ip)
 158         file.write('TARGET_ARCH=%s\n'%target_arch)
 159         file.close()
 160         return True
 161
 162     def export_qemu (self):
 163         # if relevant, push the qemu area onto the host box
 164         if self.test_box().is_local():
 165             return True
 166         utils.header ("Cleaning any former sequel of %s on %s"%(self.name(),self.host_box()))
 167         self.test_box().run_in_buildname("rm -rf %s"%self.nodedir())
 168         utils.header ("Transferring configuration files for node %s onto %s"%(self.name(),self.host_box()))
 169         return self.test_box().copy(self.nodedir(),recursive=True)==0
 170
 171     def start_node (self):
 172         model=self.node_spec['node_fields']['model']
 173         #starting the Qemu nodes before
 174         if self.is_qemu():
 175             self.start_qemu()
 176         else:
 177             utils.header("TestNode.start_node : %s model %s taken as real node"%(self.name(),model))
 178         return True
 179
 180     def start_qemu (self):
 181         options = self.test_plc.options
 182         test_box = self.test_box()
 183         utils.header("Starting qemu node %s on %s"%(self.name(),test_box.hostname()))
 184
 185         test_box.run_in_buildname("%s/qemu-bridge-init start >> %s/log.txt"%(self.nodedir(),self.nodedir()))
 186         # kick it off in background, as it would otherwise hang
 187         test_box.run_in_buildname("%s/qemu-start-node 2>&1 >> %s/log.txt"%(self.nodedir(),self.nodedir()))
 188
 189     def list_qemu (self):
 190         utils.header("Listing qemu for host %s on box %s"%(self.name(),self.test_box().hostname()))
 191         command="%s/qemu-kill-node -l %s"%(self.nodedir(),self.name())
 192         self.test_box().run_in_buildname(command)
 193         return True
 194
 195     def kill_qemu (self):
 196         #Prepare the log file before killing the nodes
 197         test_box = self.test_box()
 198         # kill the right processes
 199         utils.header("Stopping qemu for host %s on box %s"%(self.name(),self.test_box().hostname()))
 200         command="%s/qemu-kill-node %s"%(self.nodedir(),self.name())
 201         self.test_box().run_in_buildname(command)
 202         return True
 203
 204     def gather_qemu_logs (self):
 205         if not self.is_qemu():
 206             return True
 207         remote_log="%s/log.txt"%self.nodedir()
 208         local_log="logs/node.qemu.%s.log"%self.name()
 209         self.test_box().test_ssh.fetch(remote_log,local_log)
 210
 211     def clear_known_hosts (self):
 212         TestSsh(self.name()).clear_known_hosts()
 213         return True
 214
 215     def create_test_ssh(self):
 216         # get the plc's keys for entering the node
 217         vservername=self.test_plc.vservername
 218         # assuming we've run testplc.fetch_keys()
 219         key = "keys/%(vservername)s.rsa"%locals()
 220         return TestSsh(self.name(), buildname=self.buildname(), key=key)
 221
 222     def check_sanity (self):
 223         extensions = [ 'py','pl','sh' ]
 224         path='tests/qaapi/qa/tests/node/'
 225         scripts=utils.locate_sanity_scripts ('node '+self.name(), path,extensions)
 226         overall = True
 227         for script in scripts:
 228             if not self.check_sanity_script (script):
 229                 overall = False
 230         return overall
 231
 232     def check_sanity_script (self,local_script):
 233         # push the script on the node's root context
 234         ssh_handle=self.create_test_ssh()
 235         ssh_handle.copy_home(local_script)
 236         script_name=os.path.basename(local_script)
 237         if ssh_handle.run("./"+script_name) != 0:
 238             print "WARNING: sanity check script %s FAILED"%script_name
 239             # xxx - temporary : always return true for now
 240             #return False
 241         return True
 242