system/TestPlc.py

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