system/TestPlc.py

   1 # $Id$
   2 import os, os.path
   3 import sys
   4 import xmlrpclib
   5 import datetime
   6 import traceback
   7 from types import StringTypes
   8
   9 import utils
  10 from TestSite import TestSite
  11 from TestNode import TestNode
  12 from TestUser import TestUser
  13 from TestKey import TestKey
  14
  15 # step methods must take (self, options) and return a boolean
  16
  17 class TestPlc:
  18
  19     def __init__ (self,plc_spec):
  20         self.plc_spec=plc_spec
  21         self.url="https://%s:443/PLCAPI/"%plc_spec['hostname']
  22         self.server=xmlrpclib.Server(self.url,allow_none=True)
  23         self.path=os.path.dirname(sys.argv[0])
  24         try:
  25             self.vserverip=plc_spec['vserverip']
  26             self.vservername=plc_spec['vservername']
  27             self.vserver=True
  28         except:
  29             self.vserver=False
  30
  31     def name(self):
  32         name=self.plc_spec['name']
  33         if self.vserver:
  34             return name+"[%s]"%self.vservername
  35         else:
  36             return name+"[chroot]"
  37
  38     # define the API methods on this object through xmlrpc
  39     # would help, but not strictly necessary
  40     def connect (self):
  41         pass
  42
  43     # build the full command so command gets run in the chroot/vserver
  44     def run_command(self,command):
  45         if self.vserver:
  46             return "vserver %s exec %s"%(self.vservername,command)
  47         else:
  48             return "chroot /plc/root %s"%command
  49
  50     def ssh_command(self,command):
  51         if self.plc_spec['hostname'] == "localhost":
  52             return command
  53         else:
  54             return "ssh " + self.plc_spec['hostname'] + " " + command
  55
  56     def full_command(self,command):
  57         return self.ssh_command(self.run_command(command))
  58
  59     def run_in_guest (self,command):
  60         return utils.system(self.full_command(command))
  61     def run_in_host (self,command):
  62         return utils.system(self.ssh_command(command))
  63
  64     # xxx quick n dirty
  65     def run_in_guest_piped (self,local,remote):
  66         return utils.system(local+" | "+self.full_command(command))
  67
  68     def auth_root (self):
  69         return {'Username':self.plc_spec['PLC_ROOT_USER'],
  70                 'AuthMethod':'password',
  71                 'AuthString':self.plc_spec['PLC_ROOT_PASSWORD'],
  72                 'Role' : self.plc_spec['role']
  73                 }
  74     def locate_site (self,sitename):
  75         for site in self.plc_spec['sites']:
  76             if site['site_fields']['name'] == sitename:
  77                 return site
  78             if site['site_fields']['login_base'] == sitename:
  79                 return site
  80         raise Exception,"Cannot locate site %s"%sitename
  81
  82     def locate_key (self,keyname):
  83         for key in self.plc_spec['keys']:
  84             if key['name'] == keyname:
  85                 return key
  86         raise Exception,"Cannot locate key %s"%keyname
  87
  88     def kill_all_vmwares(self):
  89         utils.header('Killing any running vmware or vmplayer instance')
  90         utils.system('pgrep vmware | xargs -r kill')
  91         utils.system('pgrep vmplayer | xargs -r kill ')
  92         utils.system('pgrep vmware | xargs -r kill -9')
  93         utils.system('pgrep vmplayer | xargs -r kill -9')
  94
  95     #################### step methods
  96
  97     ### uninstall
  98     def uninstall_chroot(self,options):
  99         self.run_in_host('service plc safestop')
 100         #####detecting the last myplc version installed and remove it
 101         self.run_in_host('rpm -e myplc')
 102         ##### Clean up the /plc directory
 103         self.run_in_host('rm -rf  /plc/data')
 104         return True
 105
 106     def uninstall_vserver(self,options):
 107         self.run_in_host("vserver --silent %s delete"%self.vservername)
 108         return True
 109
 110     def uninstall(self,options):
 111         if self.vserver:
 112             return self.uninstall_vserver(options)
 113         else:
 114             return self.uninstall_chroot(options)
 115
 116     ### install
 117     def install_chroot(self,options):
 118         # nothing to do
 119         return True
 120
 121     # xxx this would not work with hostname != localhost as mylc-init-vserver was extracted locally
 122     def install_vserver(self,options):
 123         # we need build dir for vtest-init-vserver
 124         build_dir=self.path+"/build"
 125         if not os.path.isdir(build_dir):
 126             if utils.system("svn checkout %s %s"%(options.build_url,build_dir)) != 0:
 127                 raise Exception,"Cannot checkout build dir"
 128         # the repo url is taken from myplc-url
 129         # with the last two steps (i386/myplc...) removed
 130         repo_url = options.myplc_url
 131         repo_url = os.path.dirname(repo_url)
 132         repo_url = os.path.dirname(repo_url)
 133         command="%s/vtest-init-vserver.sh %s %s -- --interface eth0:%s"%\
 134             (build_dir,self.vservername,repo_url,self.vserverip)
 135         if utils.system(command) != 0:
 136             raise Exception,"Could not create vserver for %s"%self.vservername
 137         return True
 138
 139     def install(self,options):
 140         if self.vserver:
 141             return self.install_vserver(options)
 142         else:
 143             return self.install_chroot(options)
 144
 145     ### install_rpm
 146     def install_rpm_chroot(self,options):
 147         utils.header('Installing from %s'%options.myplc_url)
 148         url=options.myplc_url
 149         utils.system('rpm -Uvh '+url)
 150         utils.system('service plc mount')
 151         return True
 152
 153     def install_rpm_vserver(self,options):
 154         self.run_in_guest("yum -y install myplc-native")
 155         return True
 156
 157     def install_rpm(self,options):
 158         if self.vserver:
 159             return self.install_rpm_vserver(options)
 160         else:
 161             return self.install_rpm_chroot(options)
 162
 163     ###
 164     def configure(self,options):
 165         tmpname='%s/%s.plc-config-tty'%(options.path,self.name())
 166         fileconf=open(tmpname,'w')
 167         for var in [ 'PLC_NAME',
 168                      'PLC_ROOT_PASSWORD',
 169                      'PLC_ROOT_USER',
 170                      'PLC_MAIL_ENABLED',
 171                      'PLC_MAIL_SUPPORT_ADDRESS',
 172                      'PLC_DB_HOST',
 173                      'PLC_API_HOST',
 174                      'PLC_WWW_HOST',
 175                      'PLC_BOOT_HOST',
 176                      'PLC_NET_DNS1',
 177                      'PLC_NET_DNS2']:
 178             fileconf.write ('e %s\n%s\n'%(var,self.plc_spec[var]))
 179         fileconf.write('w\n')
 180         fileconf.write('q\n')
 181         fileconf.close()
 182         utils.system('cat %s'%tmpname)
 183         self.run_in_guest('plc-config-tty < %s'%tmpname)
 184         utils.system('rm %s'%tmpname)
 185         return True
 186
 187     # the chroot install is slightly different to this respect
 188     def start(self, options):
 189         if self.vserver:
 190             self.run_in_guest('service plc start')
 191         else:
 192             self.run_in_host('service plc start')
 193         return True
 194
 195     def stop(self, options):
 196         if self.vserver:
 197             self.run_in_guest('service plc stop')
 198         else:
 199             self.run_in_host('service plc stop')
 200         return True
 201
 202     # could use a TestKey class
 203     def store_keys(self, options):
 204         for key_spec in self.plc_spec['keys']:
 205             TestKey(self,key_spec).store_key()
 206         return True
 207
 208     def clean_keys(self, options):
 209         utils.system("rm -rf %s/keys/"%self.path)
 210
 211     def sites (self,options):
 212         return self.do_sites(options)
 213
 214     def clean_sites (self,options):
 215         return self.do_sites(options,action="delete")
 216
 217     def do_sites (self,options,action="add"):
 218         for site_spec in self.plc_spec['sites']:
 219             test_site = TestSite (self,site_spec)
 220             if (action != "add"):
 221                 utils.header("Deleting site %s in %s"%(test_site.name(),self.name()))
 222                 test_site.delete_site()
 223                 # deleted with the site
 224                 #test_site.delete_users()
 225                 continue
 226             else:
 227                 utils.header("Creating site %s & users in %s"%(test_site.name(),self.name()))
 228                 test_site.create_site()
 229                 test_site.create_users()
 230         return True
 231
 232     def nodes (self, options):
 233         return self.do_nodes(options)
 234     def clean_nodes (self, options):
 235         return self.do_nodes(options,action="delete")
 236
 237     def do_nodes (self, options,action="add"):
 238         for site_spec in self.plc_spec['sites']:
 239             test_site = TestSite (self,site_spec)
 240             if action != "add":
 241                 utils.header("Deleting nodes in site %s"%test_site.name())
 242                 for node_spec in site_spec['nodes']:
 243                     test_node=TestNode(self,test_site,node_spec)
 244                     utils.header("Deleting %s"%test_node.name())
 245                     test_node.delete_node()
 246             else:
 247                 utils.header("Creating nodes for site %s in %s"%(test_site.name(),self.name()))
 248                 for node_spec in site_spec['nodes']:
 249                     utils.show_spec('Creating node %s'%node_spec,node_spec)
 250                     test_node = TestNode (self,test_site,node_spec)
 251                     test_node.create_node ()
 252         return True
 253
 254     # create nodegroups if needed, and populate
 255     # no need for a clean_nodegroups if we are careful enough
 256     def nodegroups (self, options):
 257         # 1st pass to scan contents
 258         groups_dict = {}
 259         for site_spec in self.plc_spec['sites']:
 260             test_site = TestSite (self,site_spec)
 261             for node_spec in site_spec['nodes']:
 262                 test_node=TestNode (self,test_site,node_spec)
 263                 if node_spec.has_key('nodegroups'):
 264                     nodegroupnames=node_spec['nodegroups']
 265                     if isinstance(nodegroupnames,StringTypes):
 266                         nodegroupnames = [ nodegroupnames ]
 267                     for nodegroupname in nodegroupnames:
 268                         if not groups_dict.has_key(nodegroupname):
 269                             groups_dict[nodegroupname]=[]
 270                         groups_dict[nodegroupname].append(test_node.name())
 271         auth=self.auth_root()
 272         for (nodegroupname,group_nodes) in groups_dict.iteritems():
 273             try:
 274                 self.server.GetNodeGroups(auth,{'name':nodegroupname})[0]
 275             except:
 276                 self.server.AddNodeGroup(auth,{'name':nodegroupname})
 277             for node in group_nodes:
 278                 self.server.AddNodeToNodeGroup(auth,node,nodegroupname)
 279         return True
 280
 281     def bootcd (self, options):
 282         for site_spec in self.plc_spec['sites']:
 283             test_site = TestSite (self,site_spec)
 284             for node_spec in site_spec['nodes']:
 285                 test_node=TestNode (self,test_site,node_spec)
 286                 test_node.create_boot_cd(options.path)
 287         return True
 288
 289     def initscripts (self, options):
 290         for initscript in self.plc_spec['initscripts']:
 291             utils.show_spec('Adding Initscript in plc %s'%self.plc_spec['name'],initscript)
 292             self.server.AddInitScript(self.auth_root(),initscript['initscript_fields'])
 293         return True
 294
 295     def slices (self, options):
 296         return self.do_slices()
 297
 298     def clean_slices (self, options):
 299         return self.do_slices("delete")
 300
 301     ### would need a TestSlice class
 302     def do_slices (self, add_or_delete="add"):
 303         for slice in self.plc_spec['slices']:
 304             site_spec = self.locate_site (slice['sitename'])
 305             test_site = TestSite(self,site_spec)
 306             owner_spec = test_site.locate_user(slice['owner'])
 307             auth = TestUser(self,test_site,owner_spec).auth()
 308             slice_fields = slice['slice_fields']
 309             slice_name = slice_fields['name']
 310             if (add_or_delete == "delete"):
 311                 self.server.DeleteSlice(auth,slice_fields['name'])
 312                 utils.header("Deleted slice %s"%slice_fields['name'])
 313                 continue
 314             utils.show_spec("Creating slice",slice_fields)
 315             self.server.AddSlice(auth,slice_fields)
 316             utils.header('Created Slice %s'%slice_fields['name'])
 317             for username in slice['usernames']:
 318                 user_spec=test_site.locate_user(username)
 319                 test_user=TestUser(self,test_site,user_spec)
 320                 self.server.AddPersonToSlice(auth, test_user.name(), slice_name)
 321
 322             hostnames=[]
 323             for nodename in slice['nodenames']:
 324                 node_spec=test_site.locate_node(nodename)
 325                 test_node=TestNode(self,test_site,node_spec)
 326                 hostnames += [test_node.name()]
 327             utils.header("Adding %r in %s"%(hostnames,slice_name))
 328             self.server.AddSliceToNodes(auth, slice_name, hostnames)
 329             if slice.has_key('initscriptname'):
 330                 isname=slice['initscriptname']
 331                 utils.header("Adding initscript %s in %s"%(isname,slice_name))
 332                 self.server.AddSliceAttribute(self.auth_root(), slice_name,
 333                                               'initscript',isname)
 334         return True
 335
 336     def start_nodes (self, options):
 337         self.kill_all_vmwares()
 338         utils.header("Starting vmware nodes")
 339         for site_spec in self.plc_spec['sites']:
 340             TestSite(self,site_spec).start_nodes (options)
 341         return True
 342
 343     def stop_nodes (self, options):
 344         self.kill_all_vmwares ()
 345         return True
 346
 347     # returns the filename to use for sql dump/restore, using options.dbname if set
 348     def dbfile (self, database, options):
 349         # uses options.dbname if it is found
 350         try:
 351             name=options.dbname
 352             if not isinstance(name,StringTypes):
 353                 raise Exception
 354         except:
 355             t=datetime.datetime.now()
 356             d=t.date()
 357             name=str(d)
 358         return "/root/%s-%s.sql"%(database,name)
 359
 360     def db_dump(self, options):
 361
 362         dump=self.dbfile("planetab4",options)
 363         self.run_in_guest('pg_dump -U pgsqluser planetlab4 -f '+ dump)
 364         utils.header('Dumped planetlab4 database in %s'%dump)
 365         return True
 366
 367     def db_restore(self, options):
 368         dump=self.dbfile("planetab4",options)
 369         ##stop httpd service
 370         self.run_in_guest('service httpd stop')
 371         # xxx - need another wrapper
 372         self.run_in_guest_piped('echo drop database planetlab4','psql --user=pgsqluser template1')
 373         self.run_in_guest('createdb -U postgres --encoding=UNICODE --owner=pgsqluser planetlab4')
 374         self.run_in_guest('psql -U pgsqluser planetlab4 -f '+dump)
 375         ##starting httpd service
 376         self.run_in_guest('service httpd start')
 377
 378         utils.header('Database restored from ' + dump)