system/TestNode.py

   1 # Thierry Parmentelat <thierry.parmentelat@inria.fr>
   2 # Copyright (C) 2010 INRIA
   3 #
   4 import sys, os, os.path, time, base64
   5 import xmlrpclib
   6
   7 import utils
   8 from TestUser import TestUser
   9 from TestBoxQemu import TestBoxQemu
  10 from TestSsh import TestSsh
  11
  12 class TestNode:
  13
  14     def __init__ (self,test_plc,test_site,node_spec):
  15         self.test_plc=test_plc
  16         self.test_site=test_site
  17         self.node_spec=node_spec
  18
  19     def name(self):
  20         return self.node_spec['node_fields']['hostname']
  21
  22     @staticmethod
  23     def is_qemu_model (model):
  24         return model.find("qemu") >= 0
  25     def is_qemu (self):
  26         return TestNode.is_qemu_model(self.node_spec['node_fields']['model'])
  27
  28     @staticmethod
  29     def is_real_model (model):
  30         return not TestNode.is_qemu_model(model)
  31     def is_real (self):
  32         return TestNode.is_real_model (self.node_spec['node_fields']['model'])
  33
  34     def buildname(self):
  35         return self.test_plc.options.buildname
  36
  37     def nodedir (self):
  38         if self.is_qemu():
  39             return "qemu-%s"%self.name()
  40         else:
  41             return "real-%s"%self.name()
  42
  43     # this returns a hostname
  44     def host_box (self):
  45         if self.is_real ():
  46             return 'localhost'
  47         else:
  48             try:
  49                 return self.node_spec['host_box']
  50             except:
  51                 utils.header("WARNING : qemu nodes need a host box")
  52                 return 'localhost'
  53
  54     # this returns a TestBoxQemu instance - cached in .test_box_value
  55     def test_box (self):
  56         try:
  57             return self.test_box_value
  58         except:
  59             self.test_box_value = TestBoxQemu (self.host_box(),self.buildname())
  60             return self.test_box_value
  61
  62     def create_node (self):
  63         ownername = self.node_spec['owner']
  64         user_spec = self.test_site.locate_user(ownername)
  65         test_user = TestUser(self.test_plc,self.test_site,user_spec)
  66         userauth = test_user.auth()
  67         utils.header("node %s created by user %s"%(self.name(),test_user.name()))
  68         rootauth=self.test_plc.auth_root()
  69         server = self.test_plc.apiserver
  70         server.AddNode(userauth,
  71                        self.test_site.site_spec['site_fields']['login_base'],
  72                        self.node_spec['node_fields'])
  73         server.SetNodePlainBootstrapfs(userauth,
  74                                        self.node_spec['node_fields']['hostname'],
  75                                        'YES')
  76         # create as reinstall to avoid user confirmation
  77         server.UpdateNode(userauth, self.name(), {'boot_state':'reinstall'})
  78         # populate network interfaces - primary
  79         server.AddInterface(userauth,self.name(),
  80                                             self.node_spec['interface_fields'])
  81         # populate network interfaces - others
  82         if self.node_spec.has_key('extra_interfaces'):
  83             for interface in self.node_spec['extra_interfaces']:
  84                 server.AddInterface(userauth,self.name(), interface['interface_fields'])
  85                 if interface.has_key('settings'):
  86                     for (attribute,value) in interface['settings'].iteritems():
  87                         # locate node network
  88                         interface = server.GetInterfaces(userauth,{'ip':interface['interface_fields']['ip']})[0]
  89                         interface_id=interface['interface_id']
  90                         # locate or create node network attribute type
  91                         try:
  92                             interface_tagtype = server.GetTagTypes(userauth,{'name':attribute})[0]
  93                         except:
  94                             interface_tagtype = server.AddTagType(rootauth,{'category':'test',
  95                                                                             'tagname':attribute})
  96                         # attach value
  97                         server.AddInterfaceTag(userauth,interface_id,attribute,value)
  98
  99     def delete_node (self):
 100         # uses the right auth as far as poss.
 101         try:
 102             ownername = self.node_spec['owner']
 103             user_spec = self.test_site.locate_user(ownername)
 104             test_user = TestUser(self.test_plc,self.test_site,user_spec)
 105             auth = test_user.auth()
 106         except:
 107             auth=self.test_plc.auth_root()
 108         self.test_plc.apiserver.DeleteNode(auth,self.name())
 109
 110     # Do most of the stuff locally - will be pushed on host_box - *not* the plc - later if needed
 111     def qemu_local_init(self):
 112         utils.system("rm -rf %s"%self.nodedir())
 113         utils.system("mkdir %s"%self.nodedir())
 114         if not self.is_qemu():
 115             return True
 116         return utils.system("rsync -v -a --exclude .svn template-qemu/ %s/"%self.nodedir())==0
 117
 118     def bootcd(self):
 119         utils.header("Calling GetBootMedium for %s"%self.name())
 120         options = []
 121         if self.is_qemu():
 122             options.append('serial')
 123             options.append('no-hangcheck')
 124         encoded=self.test_plc.apiserver.GetBootMedium(self.test_plc.auth_root(),
 125                                                       self.name(), 'node-iso', '', options)
 126         if (encoded == ''):
 127             raise Exception, 'GetBootmedium failed'
 128
 129         filename="%s/%s.iso"%(self.nodedir(),self.name())
 130         utils.header('Storing boot medium into %s'%filename)
 131         if self.test_plc.options.dry_run:
 132             print "Dry_run: skipped writing of iso image"
 133             return True
 134         else:
 135             file(filename,'w').write(base64.b64decode(encoded))
 136             return True
 137
 138     def nodestate_reinstall (self):
 139         self.test_plc.apiserver.UpdateNode(self.test_plc.auth_root(),
 140                                            self.name(),{'boot_state':'reinstall'})
 141         return True
 142
 143     def nodestate_safeboot (self):
 144         self.test_plc.apiserver.UpdateNode(self.test_plc.auth_root(),
 145                                            self.name(),{'boot_state':'safeboot'})
 146         return True
 147
 148     def nodestate_boot (self):
 149         self.test_plc.apiserver.UpdateNode(self.test_plc.auth_root(),
 150                                            self.name(),{'boot_state':'boot'})
 151         return True
 152
 153     def nodestate_show (self):
 154         if self.test_plc.options.dry_run:
 155             print "Dry_run: skipped getting current node state"
 156             return True
 157         state=self.test_plc.apiserver.GetNodes(self.test_plc.auth_root(), self.name(), ['boot_state'])[0]['boot_state']
 158         print self.name(),':',state
 159         return True
 160
 161     def qemu_local_config(self):
 162         if not self.is_qemu():
 163             return
 164         mac=self.node_spec['interface_fields']['mac']
 165         hostname=self.node_spec['node_fields']['hostname']
 166         ip=self.node_spec['interface_fields']['ip']
 167         auth=self.test_plc.auth_root()
 168         target_arch=self.test_plc.apiserver.GetPlcRelease(auth)['build']['target-arch']
 169         conf_filename="%s/qemu.conf"%(self.nodedir())
 170         if self.test_plc.options.dry_run:
 171             print "dry_run: skipped actual storage of qemu.conf"
 172             return True
 173         utils.header('Storing qemu config for %s in %s'%(self.name(),conf_filename))
 174         file=open(conf_filename,'w')
 175         file.write('MACADDR=%s\n'%mac)
 176         file.write('NODE_ISO=%s.iso\n'%self.name())
 177         file.write('HOSTNAME=%s\n'%hostname)
 178         file.write('IP=%s\n'%ip)
 179         file.write('TARGET_ARCH=%s\n'%target_arch)
 180         file.close()
 181         return True
 182
 183     def qemu_export (self):
 184         # if relevant, push the qemu area onto the host box
 185         if self.test_box().is_local():
 186             return True
 187         utils.header ("Cleaning any former sequel of %s on %s"%(self.name(),self.host_box()))
 188         self.test_box().run_in_buildname("rm -rf %s"%self.nodedir())
 189         utils.header ("Transferring configuration files for node %s onto %s"%(self.name(),self.host_box()))
 190         return self.test_box().copy(self.nodedir(),recursive=True)==0
 191
 192     def qemu_start (self):
 193         model=self.node_spec['node_fields']['model']
 194         #starting the Qemu nodes before
 195         if self.is_qemu():
 196             self.start_qemu()
 197         else:
 198             utils.header("TestNode.qemu_start : %s model %s taken as real node"%(self.name(),model))
 199         return True
 200
 201     def timestamp_qemu (self):
 202         test_box = self.test_box()
 203         test_box.run_in_buildname("mkdir -p %s"%self.nodedir())
 204         now=int(time.time())
 205         return test_box.run_in_buildname("echo %d > %s/timestamp"%(now,self.nodedir()))==0
 206
 207     def start_qemu (self):
 208         test_box = self.test_box()
 209         utils.header("Starting qemu node %s on %s"%(self.name(),test_box.hostname()))
 210
 211         test_box.run_in_buildname("%s/qemu-bridge-init start >> %s/log.txt"%(self.nodedir(),self.nodedir()))
 212         # kick it off in background, as it would otherwise hang
 213         test_box.run_in_buildname("%s/qemu-start-node 2>&1 >> %s/log.txt"%(self.nodedir(),self.nodedir()))
 214
 215     def list_qemu (self):
 216         utils.header("Listing qemu for host %s on box %s"%(self.name(),self.test_box().hostname()))
 217         command="%s/qemu-kill-node -l %s"%(self.nodedir(),self.name())
 218         self.test_box().run_in_buildname(command)
 219         return True
 220
 221     def kill_qemu (self):
 222         #Prepare the log file before killing the nodes
 223         test_box = self.test_box()
 224         # kill the right processes
 225         utils.header("Stopping qemu for node %s on box %s"%(self.name(),self.test_box().hostname()))
 226         command="%s/qemu-kill-node %s"%(self.nodedir(),self.name())
 227         self.test_box().run_in_buildname(command)
 228         return True
 229
 230     def gather_qemu_logs (self):
 231         if not self.is_qemu():
 232             return True
 233         remote_log="%s/log.txt"%self.nodedir()
 234         local_log="logs/node.qemu.%s.txt"%self.name()
 235         self.test_box().test_ssh.fetch(remote_log,local_log)
 236
 237     def keys_clear_known_hosts (self):
 238         TestSsh(self.name()).clear_known_hosts()
 239         return True
 240
 241     def create_test_ssh(self):
 242         # get the plc's keys for entering the node
 243         vservername=self.test_plc.vservername
 244 ###        # assuming we've run testplc.fetch_keys()
 245 ###        key = "keys/%(vservername)s.rsa"%locals()
 246         # fetch_keys doesn't grab the root key anymore
 247         key = "keys/key1.rsa"
 248         return TestSsh(self.name(), buildname=self.buildname(), key=key)
 249
 250     def check_hooks (self):
 251         extensions = [ 'py','pl','sh' ]
 252         path='hooks/node'
 253         scripts=utils.locate_hooks_scripts ('node '+self.name(), path,extensions)
 254         overall = True
 255         for script in scripts:
 256             if not self.check_hooks_script (script):
 257                 overall = False
 258         return overall
 259
 260     def check_hooks_script (self,local_script):
 261         # push the script on the node's root context
 262         script_name=os.path.basename(local_script)
 263         utils.header ("NODE hook %s (%s)"%(script_name,self.name()))
 264         test_ssh=self.create_test_ssh()
 265         test_ssh.copy_home(local_script)
 266         if test_ssh.run("./"+script_name) != 0:
 267             utils.header ("WARNING: node hooks check script %s FAILED (ignored)"%script_name)
 268             #return False
 269             return True
 270         else:
 271             utils.header ("SUCCESS: node hook %s OK"%script_name)
 272             return True
 273
 274     def check_systemslice (self, slicename):
 275         sitename=self.test_plc.plc_spec['PLC_SLICE_PREFIX']
 276         vservername="%s_%s"%(sitename,slicename)
 277         test_ssh=self.create_test_ssh()
 278         (retcod,output)=utils.output_of(test_ssh.actual_command("cat /vservers/%s/etc/slicefamily")%vservername)
 279         if retcod != 0:
 280             return False
 281         # get last line only as ssh pollutes the output
 282         slicefamily=output.split("\n")[-1]
 283         utils.header("system slice %s has slicefamily %s"%(slicename, slicefamily))
 284         return test_ssh.run("vserver-stat | grep %s"%vservername)==0
 285
 286