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