3 # Copyright (c) 2003 Intel Corporation
6 # Copyright (c) 2004-2006 The Trustees of Princeton University
10 import sys, os, traceback
15 from Exceptions import *
16 import notify_messages
17 import BootServerRequest
19 # all output is written to this file
20 BM_NODE_LOG= "/tmp/bm.log"
21 VARS_FILE = "configuration"
23 # the new contents of PATH when the boot manager is running
24 BIN_PATH= ('/usr/local/bin',
31 def read_configuration_file(filename):
32 # read in and store all variables in VARS_FILE into each line
33 # is in the format name=val (any whitespace around the = is
34 # removed. everything after the = to the end of the line is
37 vars_file= file(filename,'r')
39 for line in vars_file:
40 # if its a comment or a whitespace line, ignore
41 if line[:1] == "#" or string.strip(line) == "":
44 parts= string.split(line,"=")
47 raise Exception( "Invalid line in vars file: %s" % line )
49 name= string.strip(parts[0])
50 value= string.strip(parts[1])
51 value= value.replace("'", "") # remove quotes
52 value= value.replace('"', "") # remove quotes
57 raise Exception( "Unable to read configuration vars." )
59 # find out which directory we are running it, and set a variable
60 # for that. future steps may need to get files out of the bootmanager
62 current_dir= os.getcwd()
63 vars['BM_SOURCE_DIR']= current_dir
67 ##############################
70 format="%H:%M:%S(%Z) "
72 def __init__( self, OutputFilePath= None ):
74 self.OutputFile= open( OutputFilePath, "w")
75 self.OutputFilePath= OutputFilePath
77 print( "bootmanager log : Unable to open output file %r, continuing"%OutputFilePath )
82 vars = read_configuration_file(VARS_FILE)
85 self.LogEntry( str(e) )
88 def LogEntry( self, str, inc_newline= 1, display_screen= 1 ):
89 now=time.strftime(log.format, time.localtime())
91 self.OutputFile.write( now+str )
93 sys.stdout.write( now+str )
97 sys.stdout.write( "\n" )
99 self.OutputFile.write( "\n" )
102 self.OutputFile.flush()
104 def write( self, str ):
106 make log behave like a writable file object (for traceback
109 self.LogEntry( str, 0, 1 )
111 # bm log uploading is available back again, as of nodeconfig-5.0-2
114 upload the contents of the log to the server
116 if self.OutputFile is not None:
117 self.OutputFile.flush()
119 self.LogEntry( "Uploading logs to %s" % self.VARS['UPLOAD_LOG_SCRIPT'] )
121 self.OutputFile.close()
122 self.OutputFile= None
124 hostname= self.VARS['INTERFACE_SETTINGS']['hostname'] + "." + \
125 self.VARS['INTERFACE_SETTINGS']['domainname']
126 bs_request = BootServerRequest.BootServerRequest(self.VARS)
128 # this was working until f10
129 bs_request.MakeRequest(PartialPath = self.VARS['UPLOAD_LOG_SCRIPT'],
130 GetVars = None, PostVars = None,
131 DoSSL = True, DoCertCheck = True,
132 FormData = ["log=@" + self.OutputFilePath,
133 "hostname=" + hostname,
138 bs_request.MakeRequest(PartialPath = self.VARS['UPLOAD_LOG_SCRIPT'],
139 GetVars = None, PostVars = None,
140 DoSSL = True, DoCertCheck = True,
141 FormData = [('log',(pycurl.FORM_FILE, self.OutputFilePath)),
142 ("hostname",hostname),
146 ##############################
149 # file containing initial variables/constants
151 # the set of valid node run states
152 NodeRunStates = {'reinstall':None,
158 def __init__(self, log, forceState):
159 # override machine's current state from the command line
160 self.forceState = forceState
162 # the main logging point
165 # set to 1 if we can run after initialization
169 # this contains a set of information used and updated by each step
174 # not sure what the current PATH is set to, replace it with what
175 # we know will work with all the boot cds
176 os.environ['PATH']= string.join(BIN_PATH,":")
182 core boot manager logic.
184 the way errors are handled is as such: if any particular step
185 cannot continue or unexpectibly fails, an exception is thrown.
186 in this case, the boot manager cannot continue running.
188 these step functions can also return a 0/1 depending on whether
189 or not it succeeded. In the case of steps like ConfirmInstallWithUser,
190 a 0 is returned and no exception is thrown if the user chose not
191 to confirm the install. The same goes with the CheckHardwareRequirements.
192 If requriements not met, but tests were succesfull, return 0.
194 for steps that run within the installer, they are expected to either
195 complete succesfully and return 1, or throw an execption.
197 For exact return values and expected operations, see the comments
198 at the top of each of the invididual step functions.
201 def _nodeNotInstalled(message='MSG_NODE_NOT_INSTALLED'):
202 # called by the _xxxState() functions below upon failure
203 self.VARS['RUN_LEVEL']= 'failboot'
204 notify = getattr(notify_messages, message)
205 self.VARS['STATE_CHANGE_NOTIFY']= 1
206 self.VARS['STATE_CHANGE_NOTIFY_MESSAGE']= notify
207 raise BootManagerException, notify
210 # implements the boot logic, which consists of first
211 # double checking that the node was properly installed,
212 # checking whether someone added or changed disks, and
213 # then finally chain boots.
215 # starting the fallback/debug ssh daemon for safety:
216 # if the node install somehow hangs, or if it simply takes ages,
217 # we can still enter and investigate
219 StartDebug.Run(self.VARS, self.LOG, last_resort = False)
223 InstallInit.Run( self.VARS, self.LOG )
224 ret = ValidateNodeInstall.Run( self.VARS, self.LOG )
226 WriteModprobeConfig.Run( self.VARS, self.LOG )
227 WriteNetworkConfig.Run( self.VARS, self.LOG )
228 CheckForNewDisks.Run( self.VARS, self.LOG )
229 SendHardwareConfigToPLC.Run( self.VARS, self.LOG )
230 ChainBootNode.Run( self.VARS, self.LOG )
232 _nodeNotInstalled('MSG_NODE_FILESYSTEM_CORRUPT')
234 _nodeNotInstalled('MSG_NODE_MOUNT_FAILED')
236 _nodeNotInstalled('MSG_NODE_MISSING_KERNEL')
242 # starting the fallback/debug ssh daemon for safety:
243 # if the node install somehow hangs, or if it simply takes ages,
244 # we can still enter and investigate
246 StartDebug.Run(self.VARS, self.LOG, last_resort = False)
250 # implements the reinstall logic, which will check whether
251 # the min. hardware requirements are met, install the
252 # software, and upon correct installation will switch too
253 # 'boot' state and chainboot into the production system
254 if not CheckHardwareRequirements.Run( self.VARS, self.LOG ):
255 self.VARS['RUN_LEVEL']= 'failboot'
256 raise BootManagerException, "Hardware requirements not met."
259 InstallInit.Run( self.VARS, self.LOG )
260 InstallPartitionDisks.Run( self.VARS, self.LOG )
261 InstallBootstrapFS.Run( self.VARS, self.LOG )
262 InstallWriteConfig.Run( self.VARS, self.LOG )
263 InstallUninitHardware.Run( self.VARS, self.LOG )
264 self.VARS['BOOT_STATE']= 'boot'
265 self.VARS['STATE_CHANGE_NOTIFY']= 1
266 self.VARS['STATE_CHANGE_NOTIFY_MESSAGE']= \
267 notify_messages.MSG_INSTALL_FINISHED
268 UpdateBootStateWithPLC.Run( self.VARS, self.LOG )
272 # implements the new install logic, which will first check
273 # with the user whether it is ok to install on this
274 # machine, switch to 'reinstall' state and then invoke the reinstall
275 # logic. See reinstallState logic comments for further
277 if not ConfirmInstallWithUser.Run( self.VARS, self.LOG ):
279 self.VARS['BOOT_STATE']= 'reinstall'
280 UpdateRunLevelWithPLC.Run( self.VARS, self.LOG )
283 def _debugRun(state='failboot'):
284 # implements debug logic, which starts the sshd and just waits around
285 self.VARS['RUN_LEVEL']=state
286 UpdateRunLevelWithPLC.Run( self.VARS, self.LOG )
287 StartDebug.Run( self.VARS, self.LOG )
288 # fsck/mount fs if present, and ignore return value if it's not.
289 ValidateNodeInstall.Run( self.VARS, self.LOG )
292 # should never happen; log event
293 self.LOG.write( "\nInvalid BOOT_STATE = %s\n" % self.VARS['BOOT_STATE'])
296 # setup state -> function hash table
297 BootManager.NodeRunStates['reinstall'] = _reinstallRun
298 BootManager.NodeRunStates['boot'] = _bootRun
299 BootManager.NodeRunStates['safeboot'] = lambda : _debugRun('safeboot')
300 BootManager.NodeRunStates['disabled'] = lambda : _debugRun('disabled')
304 InitializeBootManager.Run( self.VARS, self.LOG )
305 ReadNodeConfiguration.Run( self.VARS, self.LOG )
306 AuthenticateWithPLC.Run( self.VARS, self.LOG )
307 StartRunlevelAgent.Run( self.VARS, self.LOG )
308 GetAndUpdateNodeDetails.Run( self.VARS, self.LOG )
310 # override machine's current state from the command line
311 if self.forceState is not None:
312 self.VARS['BOOT_STATE']= self.forceState
313 UpdateBootStateWithPLC.Run( self.VARS, self.LOG )
314 UpdateRunLevelWithPLC.Run( self.VARS, self.LOG )
316 stateRun = BootManager.NodeRunStates.get(self.VARS['BOOT_STATE'],_badstateRun)
321 self.LOG.write( "\n\nKeyError while running: %s\n" % str(e) )
322 except BootManagerException, e:
323 self.LOG.write( "\n\nException while running: %s\n" % str(e) )
324 except BootManagerAuthenticationException, e:
325 self.LOG.write( "\n\nFailed to Authenticate Node: %s\n" % str(e) )
326 # sets /tmp/CANCEL_BOOT flag
327 StartDebug.Run(self.VARS, self.LOG )
328 # Return immediately b/c any other calls to API will fail
331 self.LOG.write( "\n\nImplementation Error\n")
332 traceback.print_exc(file=self.LOG.OutputFile)
333 traceback.print_exc()
338 except BootManagerException, e:
339 self.LOG.write( "\n\nException while running: %s\n" % str(e) )
341 self.LOG.write( "\n\nImplementation Error\n")
342 traceback.print_exc(file=self.LOG.OutputFile)
343 traceback.print_exc()
351 utils.prompt_for_breakpoint_mode()
353 utils.breakpoint ("Entering BootManager::main")
355 # set to 1 if error occurred
358 # all output goes through this class so we can save it and post
359 # the data back to PlanetLab central
360 LOG= log( BM_NODE_LOG )
362 LOG.LogEntry( "BootManager started at: %s" % \
363 time.strftime("%a, %d %b %Y %H:%M:%S +0000", time.gmtime()) )
369 if BootManager.NodeRunStates.has_key(fState):
372 LOG.LogEntry("FATAL: cannot force node run state to=%s" % fState)
375 traceback.print_exc(file=LOG.OutputFile)
376 traceback.print_exc()
379 LOG.LogEntry( "BootManager finished at: %s" % \
380 time.strftime("%a, %d %b %Y %H:%M:%S +0000", time.gmtime()) )
385 bm= BootManager(LOG,forceState)
387 LOG.LogEntry( "Unable to initialize BootManager." )
389 LOG.LogEntry( "Running version %s of BootManager." % bm.VARS['VERSION'] )
392 LOG.LogEntry( "\nDone!" );
394 LOG.LogEntry( "\nError occurred!" );
397 traceback.print_exc(file=LOG.OutputFile)
398 traceback.print_exc()
400 LOG.LogEntry( "BootManager finished at: %s" % \
401 time.strftime("%a, %d %b %Y %H:%M:%S +0000", time.gmtime()) )
407 if __name__ == "__main__":
408 error = main(sys.argv)