| 1 | import traceback
|
|---|
| 2 | import sys
|
|---|
| 3 | import pdb
|
|---|
| 4 |
|
|---|
| 5 | class PerfCollector:
|
|---|
| 6 | """ This class provides a wrapper over IPerformanceCollector in order to
|
|---|
| 7 | get more 'pythonic' interface.
|
|---|
| 8 |
|
|---|
| 9 | To begin collection of metrics use setup() method.
|
|---|
| 10 |
|
|---|
| 11 | To get collected data use query() method.
|
|---|
| 12 |
|
|---|
| 13 | It is possible to disable metric collection without changing collection
|
|---|
| 14 | parameters with disable() method. The enable() method resumes metric
|
|---|
| 15 | collection.
|
|---|
| 16 | """
|
|---|
| 17 |
|
|---|
| 18 | def __init__(self, vb):
|
|---|
| 19 | """ Initializes the instance.
|
|---|
| 20 |
|
|---|
| 21 | Pass an instance of IVirtualBox as parameter.
|
|---|
| 22 | """
|
|---|
| 23 | self.collector = vb.performanceCollector
|
|---|
| 24 |
|
|---|
| 25 | def setup(self, names, objects, period, nsamples):
|
|---|
| 26 | """ Discards all previously collected values for the specified
|
|---|
| 27 | metrics, sets the period of collection and the number of retained
|
|---|
| 28 | samples, enables collection.
|
|---|
| 29 | """
|
|---|
| 30 | self.collector.setupMetrics(names, objects, period, nsamples)
|
|---|
| 31 |
|
|---|
| 32 | def enable(self, names, objects):
|
|---|
| 33 | """ Resumes metric collection for the specified metrics.
|
|---|
| 34 | """
|
|---|
| 35 | self.collector.enableMetrics(names, objects)
|
|---|
| 36 |
|
|---|
| 37 | def disable(self, names, objects):
|
|---|
| 38 | """ Suspends metric collection for the specified metrics.
|
|---|
| 39 | """
|
|---|
| 40 | self.collector.disableMetrics(names, objects)
|
|---|
| 41 |
|
|---|
| 42 | def query(self, names, objects):
|
|---|
| 43 | """ Retrieves collected metric values as well as some auxiliary
|
|---|
| 44 | information. Returns an array of dictionaries, one dictionary per
|
|---|
| 45 | metric. Each dictionary contains the following entries:
|
|---|
| 46 | 'name': metric name
|
|---|
| 47 | 'object': managed object this metric associated with
|
|---|
| 48 | 'unit': unit of measurement
|
|---|
| 49 | 'scale': divide 'values' by this number to get float numbers
|
|---|
| 50 | 'values': collected data
|
|---|
| 51 | 'values_as_string': pre-processed values ready for 'print' statement
|
|---|
| 52 | """
|
|---|
| 53 | (values, names_out, objects_out, units, scales, sequence_numbers,
|
|---|
| 54 | indices, lengths) = self.collector.queryMetricsData(names, objects)
|
|---|
| 55 | out = []
|
|---|
| 56 | for i in xrange(0, len(names_out)):
|
|---|
| 57 | scale = int(scales[i])
|
|---|
| 58 | if scale != 1:
|
|---|
| 59 | fmt = '%.2f%s'
|
|---|
| 60 | else:
|
|---|
| 61 | fmt = '%d %s'
|
|---|
| 62 | out.append({
|
|---|
| 63 | 'name':str(names_out[i]),
|
|---|
| 64 | 'object':str(objects_out[i]),
|
|---|
| 65 | 'unit':str(units[i]),
|
|---|
| 66 | 'scale':scale,
|
|---|
| 67 | 'values':[int(values[j]) for j in xrange(int(indices[i]), int(indices[i])+int(lengths[i]))],
|
|---|
| 68 | 'values_as_string':'['+', '.join([fmt % (int(values[j])/scale, units[i]) for j in xrange(int(indices[i]), int(indices[i])+int(lengths[i]))])+']'
|
|---|
| 69 | })
|
|---|
| 70 | return out
|
|---|
| 71 |
|
|---|
| 72 | g_hasreadline = 1
|
|---|
| 73 | try:
|
|---|
| 74 | import readline
|
|---|
| 75 | import rlcompleter
|
|---|
| 76 | except:
|
|---|
| 77 | g_hasreadline = 0
|
|---|
| 78 |
|
|---|
| 79 |
|
|---|
| 80 | if g_hasreadline:
|
|---|
| 81 | class CompleterNG(rlcompleter.Completer):
|
|---|
| 82 | def __init__(self, dic, ctx):
|
|---|
| 83 | self.ctx = ctx
|
|---|
| 84 | return rlcompleter.Completer.__init__(self,dic)
|
|---|
| 85 |
|
|---|
| 86 | def complete(self, text, state):
|
|---|
| 87 | """
|
|---|
| 88 | taken from:
|
|---|
| 89 | http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/496812
|
|---|
| 90 | """
|
|---|
| 91 | if text == "":
|
|---|
| 92 | return ['\t',None][state]
|
|---|
| 93 | else:
|
|---|
| 94 | return rlcompleter.Completer.complete(self,text,state)
|
|---|
| 95 |
|
|---|
| 96 | def global_matches(self, text):
|
|---|
| 97 | """
|
|---|
| 98 | Compute matches when text is a simple name.
|
|---|
| 99 | Return a list of all names currently defined
|
|---|
| 100 | in self.namespace that match.
|
|---|
| 101 | """
|
|---|
| 102 |
|
|---|
| 103 | matches = []
|
|---|
| 104 | n = len(text)
|
|---|
| 105 |
|
|---|
| 106 | for list in [ self.namespace ]:
|
|---|
| 107 | for word in list:
|
|---|
| 108 | if word[:n] == text:
|
|---|
| 109 | matches.append(word)
|
|---|
| 110 |
|
|---|
| 111 |
|
|---|
| 112 | try:
|
|---|
| 113 | for m in getMachines(self.ctx):
|
|---|
| 114 | # although it has autoconversion, we need to cast
|
|---|
| 115 | # explicitly for subscripts to work
|
|---|
| 116 | word = str(m.name)
|
|---|
| 117 | if word[:n] == text:
|
|---|
| 118 | matches.append(word)
|
|---|
| 119 | word = str(m.id)
|
|---|
| 120 | if word[0] == '{':
|
|---|
| 121 | word = word[1:-1]
|
|---|
| 122 | if word[:n] == text:
|
|---|
| 123 | matches.append(word)
|
|---|
| 124 | except Exception,e:
|
|---|
| 125 | traceback.print_exc()
|
|---|
| 126 | print e
|
|---|
| 127 |
|
|---|
| 128 | return matches
|
|---|
| 129 |
|
|---|
| 130 |
|
|---|
| 131 | def autoCompletion(commands, ctx):
|
|---|
| 132 | if not g_hasreadline:
|
|---|
| 133 | return
|
|---|
| 134 |
|
|---|
| 135 | comps = {}
|
|---|
| 136 | for (k,v) in commands.items():
|
|---|
| 137 | comps[k] = None
|
|---|
| 138 | completer = CompleterNG(comps, ctx)
|
|---|
| 139 | readline.set_completer(completer.complete)
|
|---|
| 140 | readline.parse_and_bind("tab: complete")
|
|---|
| 141 |
|
|---|
| 142 | g_verbose = True
|
|---|
| 143 |
|
|---|
| 144 | def split_no_quotes(s):
|
|---|
| 145 | return s.split()
|
|---|
| 146 |
|
|---|
| 147 | def startVm(mgr,vb,mach,type,perf):
|
|---|
| 148 | session = mgr.getSessionObject(vb)
|
|---|
| 149 | uuid = mach.id
|
|---|
| 150 | progress = vb.openRemoteSession(session, uuid, type, "")
|
|---|
| 151 | progress.waitForCompletion(-1)
|
|---|
| 152 | completed = progress.completed
|
|---|
| 153 | rc = progress.resultCode
|
|---|
| 154 | print "Completed:", completed, "rc:",rc
|
|---|
| 155 | if int(rc) == 0:
|
|---|
| 156 | # we ignore exceptions to allow starting VM even if
|
|---|
| 157 | # perf collector cannot be started
|
|---|
| 158 | try:
|
|---|
| 159 | perf.setup(['*'], [mach], 10, 15)
|
|---|
| 160 | except:
|
|---|
| 161 | print e
|
|---|
| 162 | if g_verbose:
|
|---|
| 163 | traceback.print_exc()
|
|---|
| 164 | pass
|
|---|
| 165 | session.close()
|
|---|
| 166 |
|
|---|
| 167 | def getMachines(ctx):
|
|---|
| 168 | return ctx['vb'].getMachines2()
|
|---|
| 169 |
|
|---|
| 170 | def asState(var):
|
|---|
| 171 | if var:
|
|---|
| 172 | return 'on'
|
|---|
| 173 | else:
|
|---|
| 174 | return 'off'
|
|---|
| 175 |
|
|---|
| 176 | def guestStats(ctx,mach):
|
|---|
| 177 | for metric in ctx['perf'].query(["*"], [mach]):
|
|---|
| 178 | print metric['name'], metric['values_as_string']
|
|---|
| 179 |
|
|---|
| 180 | def cmdExistingVm(ctx,mach,cmd):
|
|---|
| 181 | mgr=ctx['mgr']
|
|---|
| 182 | vb=ctx['vb']
|
|---|
| 183 | session = mgr.getSessionObject(vb)
|
|---|
| 184 | uuid = mach.id
|
|---|
| 185 | try:
|
|---|
| 186 | progress = vb.openExistingSession(session, uuid)
|
|---|
| 187 | except Exception,e:
|
|---|
| 188 | print "Session to '%s' not open: %s" %(mach.name,e)
|
|---|
| 189 | if g_verbose:
|
|---|
| 190 | traceback.print_exc()
|
|---|
| 191 | return
|
|---|
| 192 | if session.state != ctx['ifaces'].SessionState.Open:
|
|---|
| 193 | print "Session to '%s' in wrong state: %s" %(mach.name, session.state)
|
|---|
| 194 | return
|
|---|
| 195 | # unfortunately IGuest is suppressed, thus WebServices knows not about it
|
|---|
| 196 | # this is an example how to handle local only functionality
|
|---|
| 197 | if ctx['remote'] and cmd == 'stats2':
|
|---|
| 198 | print 'Trying to use local only functionality, ignored'
|
|---|
| 199 | return
|
|---|
| 200 | console=session.console
|
|---|
| 201 | ops={'pause' : lambda: console.pause(),
|
|---|
| 202 | 'resume': lambda: console.resume(),
|
|---|
| 203 | 'powerdown': lambda: console.powerDown(),
|
|---|
| 204 | 'stats': lambda: guestStats(ctx, mach),
|
|---|
| 205 | }
|
|---|
| 206 | ops[cmd]()
|
|---|
| 207 | session.close()
|
|---|
| 208 |
|
|---|
| 209 | # can cache known machines, if needed
|
|---|
| 210 | def machById(ctx,id):
|
|---|
| 211 | mach = None
|
|---|
| 212 | for m in getMachines(ctx):
|
|---|
| 213 | if m.name == id:
|
|---|
| 214 | mach = m
|
|---|
| 215 | break
|
|---|
| 216 | mid = str(m.id)
|
|---|
| 217 | if mid[0] == '{':
|
|---|
| 218 | mid = mid[1:-1]
|
|---|
| 219 | if mid == id:
|
|---|
| 220 | mach = m
|
|---|
| 221 | break
|
|---|
| 222 | return mach
|
|---|
| 223 |
|
|---|
| 224 | def argsToMach(ctx,args):
|
|---|
| 225 | if len(args) < 2:
|
|---|
| 226 | print "usage: %s [vmname|uuid]" %(args[0])
|
|---|
| 227 | return None
|
|---|
| 228 | id = args[1]
|
|---|
| 229 | m = machById(ctx, id)
|
|---|
| 230 | if m == None:
|
|---|
| 231 | print "Machine '%s' is unknown, use list command to find available machines" %(id)
|
|---|
| 232 | return m
|
|---|
| 233 |
|
|---|
| 234 | def helpCmd(ctx, args):
|
|---|
| 235 | if len(args) == 1:
|
|---|
| 236 | print "Help page:"
|
|---|
| 237 | for i in commands:
|
|---|
| 238 | print " ",i,":", commands[i][0]
|
|---|
| 239 | else:
|
|---|
| 240 | c = commands.get(args[1], None)
|
|---|
| 241 | if c == None:
|
|---|
| 242 | print "Command '%s' not known" %(args[1])
|
|---|
| 243 | else:
|
|---|
| 244 | print " ",args[1],":", c[0]
|
|---|
| 245 | return 0
|
|---|
| 246 |
|
|---|
| 247 | def listCmd(ctx, args):
|
|---|
| 248 | for m in getMachines(ctx):
|
|---|
| 249 | print "Machine '%s' [%s], state=%s" %(m.name,m.id,m.sessionState)
|
|---|
| 250 | return 0
|
|---|
| 251 |
|
|---|
| 252 | def infoCmd(ctx,args):
|
|---|
| 253 | if (len(args) < 2):
|
|---|
| 254 | print "usage: info [vmname|uuid]"
|
|---|
| 255 | return 0
|
|---|
| 256 | mach = argsToMach(ctx,args)
|
|---|
| 257 | if mach == None:
|
|---|
| 258 | return 0
|
|---|
| 259 | os = ctx['vb'].getGuestOSType(mach.OSTypeId)
|
|---|
| 260 | print " Name: ",mach.name
|
|---|
| 261 | print " ID: ",mach.id
|
|---|
| 262 | print " OS Type: ",os.description
|
|---|
| 263 | print " RAM: %dM" %(mach.memorySize)
|
|---|
| 264 | print " VRAM: %dM" %(mach.VRAMSize)
|
|---|
| 265 | print " Clipboard mode: %d" %(mach.clipboardMode)
|
|---|
| 266 | print " Machine status: " ,mach.sessionState
|
|---|
| 267 | bios = mach.BIOSSettings
|
|---|
| 268 | print " BIOS ACPI: ",bios.ACPIEnabled
|
|---|
| 269 | print " PAE: ",mach.PAEEnabled
|
|---|
| 270 | print " Hardware virtualization: ",asState(mach.HWVirtExEnabled)
|
|---|
| 271 | print " Nested paging: ",asState(mach.HWVirtExNestedPagingEnabled)
|
|---|
| 272 | print " Last changed: ",mach.lastStateChange
|
|---|
| 273 |
|
|---|
| 274 | return 0
|
|---|
| 275 |
|
|---|
| 276 | def startCmd(ctx, args):
|
|---|
| 277 | mach = argsToMach(ctx,args)
|
|---|
| 278 | if mach == None:
|
|---|
| 279 | return 0
|
|---|
| 280 | if len(args) > 2:
|
|---|
| 281 | type = args[2]
|
|---|
| 282 | else:
|
|---|
| 283 | type = "gui"
|
|---|
| 284 | startVm(ctx['mgr'], ctx['vb'], mach, type, ctx['perf'])
|
|---|
| 285 | return 0
|
|---|
| 286 |
|
|---|
| 287 | def pauseCmd(ctx, args):
|
|---|
| 288 | mach = argsToMach(ctx,args)
|
|---|
| 289 | if mach == None:
|
|---|
| 290 | return 0
|
|---|
| 291 | cmdExistingVm(ctx, mach, 'pause')
|
|---|
| 292 | return 0
|
|---|
| 293 |
|
|---|
| 294 | def powerdownCmd(ctx, args):
|
|---|
| 295 | mach = argsToMach(ctx,args)
|
|---|
| 296 | if mach == None:
|
|---|
| 297 | return 0
|
|---|
| 298 | cmdExistingVm(ctx, mach, 'powerdown')
|
|---|
| 299 | return 0
|
|---|
| 300 |
|
|---|
| 301 | def resumeCmd(ctx, args):
|
|---|
| 302 | mach = argsToMach(ctx,args)
|
|---|
| 303 | if mach == None:
|
|---|
| 304 | return 0
|
|---|
| 305 | cmdExistingVm(ctx, mach, 'resume')
|
|---|
| 306 | return 0
|
|---|
| 307 |
|
|---|
| 308 | def statsCmd(ctx, args):
|
|---|
| 309 | mach = argsToMach(ctx,args)
|
|---|
| 310 | if mach == None:
|
|---|
| 311 | return 0
|
|---|
| 312 | cmdExistingVm(ctx, mach, 'stats')
|
|---|
| 313 | return 0
|
|---|
| 314 |
|
|---|
| 315 | def setvarCmd(ctx, args):
|
|---|
| 316 | if (len(args) < 4):
|
|---|
| 317 | print "usage: setvar [vmname|uuid] expr value"
|
|---|
| 318 | return 0
|
|---|
| 319 | mach = argsToMach(ctx,args)
|
|---|
| 320 | if mach == None:
|
|---|
| 321 | return 0
|
|---|
| 322 | vbox = ctx['vb']
|
|---|
| 323 | session = ctx['mgr'].getSessionObject(vbox)
|
|---|
| 324 | vbox.openSession(session, mach.id)
|
|---|
| 325 | mach = session.machine
|
|---|
| 326 | expr = 'mach.'+args[2]+' = '+args[3]
|
|---|
| 327 | print "Executing",expr
|
|---|
| 328 | try:
|
|---|
| 329 | exec expr
|
|---|
| 330 | except Exception, e:
|
|---|
| 331 | print 'failed: ',e
|
|---|
| 332 | if g_verbose:
|
|---|
| 333 | traceback.print_exc()
|
|---|
| 334 | mach.saveSettings()
|
|---|
| 335 | session.close()
|
|---|
| 336 | return 0
|
|---|
| 337 |
|
|---|
| 338 | def quitCmd(ctx, args):
|
|---|
| 339 | return 1
|
|---|
| 340 |
|
|---|
| 341 | def aliasesCmd(ctx, args):
|
|---|
| 342 | for (k,v) in aliases.items():
|
|---|
| 343 | print "'%s' is an alias for '%s'" %(k,v)
|
|---|
| 344 | return 0
|
|---|
| 345 |
|
|---|
| 346 | def verboseCmd(ctx, args):
|
|---|
| 347 | global g_verbose
|
|---|
| 348 | g_verbose = not g_verbose
|
|---|
| 349 | return 0
|
|---|
| 350 |
|
|---|
| 351 | def hostCmd(ctx, args):
|
|---|
| 352 | host = ctx['vb'].host
|
|---|
| 353 | cnt = host.processorCount
|
|---|
| 354 | print "Processor count:",cnt
|
|---|
| 355 | for i in range(0,cnt):
|
|---|
| 356 | print "Processor #%d speed: %dMHz" %(i,host.getProcessorSpeed(i))
|
|---|
| 357 |
|
|---|
| 358 | for metric in ctx['perf'].query(["*"], [host]):
|
|---|
| 359 | print metric['name'], metric['values_as_string']
|
|---|
| 360 |
|
|---|
| 361 | return 0
|
|---|
| 362 |
|
|---|
| 363 |
|
|---|
| 364 | def evalCmd(ctx, args):
|
|---|
| 365 | expr = ' '.join(args[1:])
|
|---|
| 366 | try:
|
|---|
| 367 | exec expr
|
|---|
| 368 | except Exception, e:
|
|---|
| 369 | print 'failed: ',e
|
|---|
| 370 | if g_verbose:
|
|---|
| 371 | traceback.print_exc()
|
|---|
| 372 | return 0
|
|---|
| 373 |
|
|---|
| 374 | aliases = {'s':'start',
|
|---|
| 375 | 'i':'info',
|
|---|
| 376 | 'l':'list',
|
|---|
| 377 | 'h':'help',
|
|---|
| 378 | 'a':'aliases',
|
|---|
| 379 | 'q':'quit', 'exit':'quit',
|
|---|
| 380 | 'v':'verbose'}
|
|---|
| 381 |
|
|---|
| 382 | commands = {'help':['Prints help information', helpCmd],
|
|---|
| 383 | 'start':['Start virtual machine by name or uuid', startCmd],
|
|---|
| 384 | 'pause':['Pause virtual machine', pauseCmd],
|
|---|
| 385 | 'resume':['Resume virtual machine', resumeCmd],
|
|---|
| 386 | 'stats':['Stats for virtual machine', statsCmd],
|
|---|
| 387 | 'powerdown':['Power down virtual machine', powerdownCmd],
|
|---|
| 388 | 'list':['Shows known virtual machines', listCmd],
|
|---|
| 389 | 'info':['Shows info on machine', infoCmd],
|
|---|
| 390 | 'aliases':['Shows aliases', aliasesCmd],
|
|---|
| 391 | 'verbose':['Toggle verbosity', verboseCmd],
|
|---|
| 392 | 'setvar':['Set VMs variable: setvar Fedora BIOSSettings.ACPIEnabled True', setvarCmd],
|
|---|
| 393 | 'eval':['Evaluate arbitrary Python construction: eval for m in getMachines(ctx): print m.name,"has",m.memorySize,"M"', evalCmd],
|
|---|
| 394 | 'quit':['Exits', quitCmd],
|
|---|
| 395 | 'host':['Show host information', hostCmd]}
|
|---|
| 396 |
|
|---|
| 397 | def runCommand(ctx, cmd):
|
|---|
| 398 | if len(cmd) == 0: return 0
|
|---|
| 399 | args = split_no_quotes(cmd)
|
|---|
| 400 | if len(args) == 0: return 0
|
|---|
| 401 | c = args[0]
|
|---|
| 402 | if aliases.get(c, None) != None:
|
|---|
| 403 | c = aliases[c]
|
|---|
| 404 | ci = commands.get(c,None)
|
|---|
| 405 | if ci == None:
|
|---|
| 406 | print "Unknown command: '%s', type 'help' for list of known commands" %(c)
|
|---|
| 407 | return 0
|
|---|
| 408 | return ci[1](ctx, args)
|
|---|
| 409 |
|
|---|
| 410 |
|
|---|
| 411 | def interpret(ctx):
|
|---|
| 412 | vbox = ctx['vb']
|
|---|
| 413 | print "Running VirtualBox version %s" %(vbox.version)
|
|---|
| 414 |
|
|---|
| 415 | ctx['perf'] = PerfCollector(vbox)
|
|---|
| 416 |
|
|---|
| 417 | autoCompletion(commands, ctx)
|
|---|
| 418 |
|
|---|
| 419 | # to allow to print actual host information, we collect info for
|
|---|
| 420 | # last 150 secs maximum, (sample every 10 secs and keep up to 15 samples)
|
|---|
| 421 | try:
|
|---|
| 422 | ctx['perf'].setup(['*'], [vbox.host], 10, 15)
|
|---|
| 423 | except:
|
|---|
| 424 | pass
|
|---|
| 425 |
|
|---|
| 426 | while True:
|
|---|
| 427 | try:
|
|---|
| 428 | cmd = raw_input("vbox> ")
|
|---|
| 429 | done = runCommand(ctx, cmd)
|
|---|
| 430 | if done != 0: break
|
|---|
| 431 | except KeyboardInterrupt:
|
|---|
| 432 | print '====== You can type quit or q to leave'
|
|---|
| 433 | break
|
|---|
| 434 | except EOFError:
|
|---|
| 435 | break;
|
|---|
| 436 | except Exception,e:
|
|---|
| 437 | print e
|
|---|
| 438 | if g_verbose:
|
|---|
| 439 | traceback.print_exc()
|
|---|
| 440 |
|
|---|
| 441 | try:
|
|---|
| 442 | # There is no need to disable metric collection. This is just an example.
|
|---|
| 443 | ctx['perf'].disable(['*'], [vbox.host])
|
|---|
| 444 | except:
|
|---|
| 445 | pass
|
|---|
