| 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 | class PerfCollector:
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| 6 | """ This class provides a wrapper over IPerformanceCollector in order to
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| 7 | get more 'pythonic' interface.
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| 8 |
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| 9 | To begin collection of metrics use setup() method.
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| 10 |
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| 11 | To get collected data use query() method.
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| 12 |
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| 13 | It is possible to disable metric collection without changing collection
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| 14 | parameters with disable() method. The enable() method resumes metric
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| 15 | collection.
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| 16 | """
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| 17 |
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| 18 | def __init__(self, vb):
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| 19 | """ Initializes the instance.
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| 20 |
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| 21 | Pass an instance of IVirtualBox as parameter.
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| 22 | """
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| 23 | self.collector = vb.performanceCollector
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| 24 |
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| 25 | def setup(self, names, objects, period, nsamples):
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| 26 | """ Discards all previously collected values for the specified
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| 27 | metrics, sets the period of collection and the number of retained
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| 28 | samples, enables collection.
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| 29 | """
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| 30 | self.collector.setupMetrics(names, objects, period, nsamples)
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| 31 |
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| 32 | def enable(self, names, objects):
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| 33 | """ Resumes metric collection for the specified metrics.
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| 34 | """
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| 35 | self.collector.enableMetrics(names, objects)
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| 36 |
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| 37 | def disable(self, names, objects):
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| 38 | """ Suspends metric collection for the specified metrics.
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| 39 | """
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| 40 | self.collector.disableMetrics(names, objects)
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| 41 |
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| 42 | def query(self, names, objects):
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| 43 | """ Retrieves collected metric values as well as some auxiliary
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| 44 | information. Returns an array of dictionaries, one dictionary per
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| 45 | metric. Each dictionary contains the following entries:
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| 46 | 'name': metric name
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| 47 | 'object': managed object this metric associated with
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| 48 | 'unit': unit of measurement
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| 49 | 'scale': divide 'values' by this number to get float numbers
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| 50 | 'values': collected data
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| 51 | 'values_as_string': pre-processed values ready for 'print' statement
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| 52 | """
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| 53 | (values, names_out, objects_out, units, scales, sequence_numbers,
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| 54 | indices, lengths) = self.collector.queryMetricsData(names, objects)
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| 55 | out = []
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| 56 | for i in xrange(0, len(names_out)):
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| 57 | scale = int(scales[i])
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| 58 | if scale != 1:
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| 59 | fmt = '%.2f%s'
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| 60 | else:
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| 61 | fmt = '%d %s'
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| 62 | out.append({
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| 63 | 'name':str(names_out[i]),
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| 64 | 'object':str(objects_out[i]),
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| 65 | 'unit':str(units[i]),
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| 66 | 'scale':scale,
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| 67 | 'values':[int(values[j]) for j in xrange(int(indices[i]), int(indices[i])+int(lengths[i]))],
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| 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]))])+']'
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| 69 | })
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| 70 | return out
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| 71 |
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| 72 | g_hasreadline = 1
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| 73 | try:
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| 74 | import readline
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| 75 | import rlcompleter
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| 76 | except:
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| 77 | g_hasreadline = 0
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| 78 |
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| 79 |
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| 80 | if g_hasreadline:
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| 81 | class CompleterNG(rlcompleter.Completer):
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| 82 | def __init__(self, dic, ctx):
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| 83 | self.ctx = ctx
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| 84 | return rlcompleter.Completer.__init__(self,dic)
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| 85 |
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| 86 | def complete(self, text, state):
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| 87 | """
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| 88 | taken from:
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| 89 | http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/496812
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| 90 | """
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| 91 | if text == "":
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| 92 | return ['\t',None][state]
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| 93 | else:
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| 94 | return rlcompleter.Completer.complete(self,text,state)
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| 95 |
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| 96 | def global_matches(self, text):
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| 97 | """
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| 98 | Compute matches when text is a simple name.
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| 99 | Return a list of all names currently defined
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| 100 | in self.namespace that match.
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| 101 | """
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| 102 |
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| 103 | matches = []
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| 104 | n = len(text)
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| 105 |
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| 106 | for list in [ self.namespace ]:
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| 107 | for word in list:
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| 108 | if word[:n] == text:
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| 109 | matches.append(word)
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| 110 |
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| 111 |
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| 112 | try:
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| 113 | for m in getMachines(self.ctx):
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| 114 | # although it has autoconversion, we need to cast
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| 115 | # explicitly for subscripts to work
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| 116 | word = str(m.name)
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| 117 | if word[:n] == text:
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| 118 | matches.append(word)
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| 119 | word = str(m.id)
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| 120 | if word[0] == '{':
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| 121 | word = word[1:-1]
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| 122 | if word[:n] == text:
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| 123 | matches.append(word)
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| 124 | except Exception,e:
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| 125 | traceback.print_exc()
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| 126 | print e
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| 127 |
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| 128 | return matches
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| 129 |
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| 130 |
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| 131 | def autoCompletion(commands, ctx):
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| 132 | if not g_hasreadline:
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| 133 | return
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| 134 |
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| 135 | comps = {}
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| 136 | for (k,v) in commands.items():
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| 137 | comps[k] = None
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| 138 | completer = CompleterNG(comps, ctx)
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| 139 | readline.set_completer(completer.complete)
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| 140 | readline.parse_and_bind("tab: complete")
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| 141 |
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| 142 | g_verbose = True
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| 143 |
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| 144 | def split_no_quotes(s):
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| 145 | return s.split()
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| 146 |
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| 147 | def createVm(ctx,name,kind,base):
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| 148 | mgr = ctx['mgr']
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| 149 | vb = ctx['vb']
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| 150 | session = mgr.getSessionObject(vb)
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| 151 | mach = vb.createMachine(name, kind, base,
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| 152 | "00000000-0000-0000-0000-000000000000")
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| 153 | mach.saveSettings()
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| 154 | print "created machine with UUID",mach.id
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| 155 | vb.registerMachine(mach)
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| 156 |
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| 157 | def removeVm(ctx,mach):
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| 158 | mgr = ctx['mgr']
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| 159 | vb = ctx['vb']
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| 160 | print "removing machine ",mach.name,"with UUID",mach.id
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| 161 | mach = vb.unregisterMachine(mach.id)
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| 162 | if mach:
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| 163 | mach.deleteSettings()
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| 164 |
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| 165 | def startVm(ctx,mach,type):
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| 166 | mgr = ctx['mgr']
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| 167 | vb = ctx['vb']
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| 168 | perf = ctx['perf']
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| 169 | session = mgr.getSessionObject(vb)
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| 170 | uuid = mach.id
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| 171 | progress = vb.openRemoteSession(session, uuid, type, "")
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| 172 | progress.waitForCompletion(-1)
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| 173 | completed = progress.completed
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| 174 | rc = progress.resultCode
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| 175 | print "Completed:", completed, "rc:",hex(rc&0xffffffff)
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| 176 | if int(rc) == 0:
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| 177 | # we ignore exceptions to allow starting VM even if
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| 178 | # perf collector cannot be started
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| 179 | try:
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| 180 | perf.setup(['*'], [mach], 10, 15)
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| 181 | except:
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| 182 | print e
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| 183 | if g_verbose:
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| 184 | traceback.print_exc()
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| 185 | pass
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| 186 | # if session not opened, close doesn't make sense
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| 187 | session.close()
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| 188 | else:
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| 189 | # Not yet implemented error string query API for remote API
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| 190 | if not ctx['remote']:
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| 191 | print session.QueryErrorObject(rc)
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| 192 |
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| 193 | def getMachines(ctx):
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| 194 | return ctx['vb'].getMachines()
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| 195 |
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| 196 | def asState(var):
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| 197 | if var:
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| 198 | return 'on'
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| 199 | else:
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| 200 | return 'off'
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| 201 |
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| 202 | def guestStats(ctx,mach):
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| 203 | for metric in ctx['perf'].query(["*"], [mach]):
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| 204 | print metric['name'], metric['values_as_string']
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| 205 |
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| 206 | def guestExec(ctx, machine, console, cmds):
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| 207 | exec cmds
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| 208 |
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| 209 | def cmdExistingVm(ctx,mach,cmd,args):
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| 210 | mgr=ctx['mgr']
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| 211 | vb=ctx['vb']
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| 212 | session = mgr.getSessionObject(vb)
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| 213 | uuid = mach.id
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| 214 | try:
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| 215 | progress = vb.openExistingSession(session, uuid)
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| 216 | except Exception,e:
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| 217 | print "Session to '%s' not open: %s" %(mach.name,e)
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| 218 | if g_verbose:
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| 219 | traceback.print_exc()
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| 220 | return
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| 221 | if session.state != ctx['ifaces'].SessionState.Open:
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| 222 | print "Session to '%s' in wrong state: %s" %(mach.name, session.state)
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| 223 | return
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| 224 | # unfortunately IGuest is suppressed, thus WebServices knows not about it
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| 225 | # this is an example how to handle local only functionality
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| 226 | if ctx['remote'] and cmd == 'stats2':
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| 227 | print 'Trying to use local only functionality, ignored'
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| 228 | return
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| 229 | console=session.console
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| 230 | ops={'pause' : lambda: console.pause(),
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| 231 | 'resume': lambda: console.resume(),
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| 232 | 'powerdown': lambda: console.powerDown(),
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| 233 | 'stats': lambda: guestStats(ctx, mach),
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| 234 | 'guest': lambda: guestExec(ctx, mach, console, args)
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| 235 | }
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| 236 | try:
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| 237 | ops[cmd]()
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| 238 | except Exception, e:
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| 239 | print 'failed: ',e
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| 240 | if g_verbose:
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| 241 | traceback.print_exc()
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| 242 |
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| 243 | session.close()
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| 244 |
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| 245 | # can cache known machines, if needed
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| 246 | def machById(ctx,id):
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| 247 | mach = None
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| 248 | for m in getMachines(ctx):
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| 249 | if m.name == id:
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| 250 | mach = m
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| 251 | break
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| 252 | mid = str(m.id)
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| 253 | if mid[0] == '{':
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| 254 | mid = mid[1:-1]
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| 255 | if mid == id:
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| 256 | mach = m
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| 257 | break
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| 258 | return mach
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| 259 |
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| 260 | def argsToMach(ctx,args):
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| 261 | if len(args) < 2:
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| 262 | print "usage: %s [vmname|uuid]" %(args[0])
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| 263 | return None
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| 264 | id = args[1]
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| 265 | m = machById(ctx, id)
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| 266 | if m == None:
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| 267 | print "Machine '%s' is unknown, use list command to find available machines" %(id)
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| 268 | return m
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| 269 |
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| 270 | def helpCmd(ctx, args):
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| 271 | if len(args) == 1:
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| 272 | print "Help page:"
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| 273 | for i in commands:
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| 274 | print " ",i,":", commands[i][0]
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| 275 | else:
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| 276 | c = commands.get(args[1], None)
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| 277 | if c == None:
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| 278 | print "Command '%s' not known" %(args[1])
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| 279 | else:
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| 280 | print " ",args[1],":", c[0]
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| 281 | return 0
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| 282 |
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| 283 | def listCmd(ctx, args):
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| 284 | for m in getMachines(ctx):
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| 285 | print "Machine '%s' [%s], state=%s" %(m.name,m.id,m.sessionState)
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| 286 | return 0
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| 287 |
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| 288 | def infoCmd(ctx,args):
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| 289 | if (len(args) < 2):
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| 290 | print "usage: info [vmname|uuid]"
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| 291 | return 0
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| 292 | mach = argsToMach(ctx,args)
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| 293 | if mach == None:
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| 294 | return 0
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| 295 | os = ctx['vb'].getGuestOSType(mach.OSTypeId)
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| 296 | print " Name: ",mach.name
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| 297 | print " ID: ",mach.id
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| 298 | print " OS Type: ",os.description
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| 299 | print " RAM: %dM" %(mach.memorySize)
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| 300 | print " VRAM: %dM" %(mach.VRAMSize)
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| 301 | print " Clipboard mode: %d" %(mach.clipboardMode)
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| 302 | print " Machine status: " ,mach.sessionState
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| 303 | bios = mach.BIOSSettings
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| 304 | print " BIOS ACPI: ",bios.ACPIEnabled
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| 305 | print " PAE: ",mach.PAEEnabled
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| 306 | print " Hardware virtualization: ",asState(mach.HWVirtExEnabled)
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| 307 | print " Nested paging: ",asState(mach.HWVirtExNestedPagingEnabled)
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| 308 | print " Last changed: ",mach.lastStateChange
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| 309 |
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| 310 | return 0
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| 311 |
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| 312 | def startCmd(ctx, args):
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| 313 | mach = argsToMach(ctx,args)
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| 314 | if mach == None:
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| 315 | return 0
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| 316 | if len(args) > 2:
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| 317 | type = args[2]
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| 318 | else:
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| 319 | type = "gui"
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| 320 | startVm(ctx, mach, type)
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| 321 | return 0
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| 322 |
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| 323 | def createCmd(ctx, args):
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| 324 | if (len(args) < 3 or len(args) > 4):
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| 325 | print "usage: create name ostype <basefolder>"
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| 326 | return 0
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| 327 | name = args[1]
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| 328 | oskind = args[2]
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| 329 | if len(args) == 4:
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| 330 | base = args[3]
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| 331 | else:
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| 332 | base = ''
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| 333 | try:
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| 334 | ctx['vb'].getGuestOSType(oskind)
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| 335 | except Exception, e:
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| 336 | print 'Unknown OS type:',oskind
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| 337 | return 0
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| 338 | createVm(ctx, name, oskind, base)
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| 339 | return 0
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| 340 |
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| 341 | def removeCmd(ctx, args):
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| 342 | mach = argsToMach(ctx,args)
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| 343 | if mach == None:
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| 344 | return 0
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| 345 | removeVm(ctx, mach)
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| 346 | return 0
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| 347 |
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| 348 | def pauseCmd(ctx, args):
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| 349 | mach = argsToMach(ctx,args)
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| 350 | if mach == None:
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| 351 | return 0
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| 352 | cmdExistingVm(ctx, mach, 'pause', '')
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| 353 | return 0
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| 354 |
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| 355 | def powerdownCmd(ctx, args):
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| 356 | mach = argsToMach(ctx,args)
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| 357 | if mach == None:
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| 358 | return 0
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| 359 | cmdExistingVm(ctx, mach, 'powerdown', '')
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| 360 | return 0
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| 361 |
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| 362 | def resumeCmd(ctx, args):
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| 363 | mach = argsToMach(ctx,args)
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| 364 | if mach == None:
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| 365 | return 0
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| 366 | cmdExistingVm(ctx, mach, 'resume', '')
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| 367 | return 0
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| 368 |
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| 369 | def statsCmd(ctx, args):
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| 370 | mach = argsToMach(ctx,args)
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| 371 | if mach == None:
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| 372 | return 0
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| 373 | cmdExistingVm(ctx, mach, 'stats', '')
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| 374 | return 0
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| 375 |
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| 376 | def guestCmd(ctx, args):
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| 377 | if (len(args) < 3):
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| 378 | print "usage: guest name commands"
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| 379 | return 0
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| 380 | mach = argsToMach(ctx,args)
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| 381 | if mach == None:
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| 382 | return 0
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| 383 | cmdExistingVm(ctx, mach, 'guest', ' '.join(args[2:]))
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| 384 | return 0
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| 385 |
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| 386 | def setvarCmd(ctx, args):
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| 387 | if (len(args) < 4):
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| 388 | print "usage: setvar [vmname|uuid] expr value"
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| 389 | return 0
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| 390 | mach = argsToMach(ctx,args)
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| 391 | if mach == None:
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| 392 | return 0
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| 393 | vbox = ctx['vb']
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| 394 | session = ctx['mgr'].getSessionObject(vbox)
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| 395 | vbox.openSession(session, mach.id)
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| 396 | mach = session.machine
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| 397 | expr = 'mach.'+args[2]+' = '+args[3]
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| 398 | print "Executing",expr
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| 399 | try:
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| 400 | exec expr
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| 401 | except Exception, e:
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| 402 | print 'failed: ',e
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| 403 | if g_verbose:
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| 404 | traceback.print_exc()
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| 405 | mach.saveSettings()
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| 406 | session.close()
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| 407 | return 0
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| 408 |
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| 409 | def quitCmd(ctx, args):
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| 410 | return 1
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| 411 |
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| 412 | def aliasesCmd(ctx, args):
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| 413 | for (k,v) in aliases.items():
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| 414 | print "'%s' is an alias for '%s'" %(k,v)
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| 415 | return 0
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| 416 |
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| 417 | def verboseCmd(ctx, args):
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| 418 | global g_verbose
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| 419 | g_verbose = not g_verbose
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| 420 | return 0
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| 421 |
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| 422 | def hostCmd(ctx, args):
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| 423 | host = ctx['vb'].host
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| 424 | cnt = host.processorCount
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| 425 | print "Processor count:",cnt
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| 426 | for i in range(0,cnt):
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| 427 | print "Processor #%d speed: %dMHz" %(i,host.getProcessorSpeed(i))
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| 428 |
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| 429 | for metric in ctx['perf'].query(["*"], [host]):
|
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| 430 | print metric['name'], metric['values_as_string']
|
|---|
| 431 |
|
|---|
| 432 | return 0
|
|---|
| 433 |
|
|---|
| 434 |
|
|---|
| 435 | def evalCmd(ctx, args):
|
|---|
| 436 | expr = ' '.join(args[1:])
|
|---|
| 437 | try:
|
|---|
| 438 | exec expr
|
|---|
| 439 | except Exception, e:
|
|---|
| 440 | print 'failed: ',e
|
|---|
| 441 | if g_verbose:
|
|---|
| 442 | traceback.print_exc()
|
|---|
| 443 | return 0
|
|---|
| 444 |
|
|---|
| 445 | aliases = {'s':'start',
|
|---|
| 446 | 'i':'info',
|
|---|
| 447 | 'l':'list',
|
|---|
| 448 | 'h':'help',
|
|---|
| 449 | 'a':'aliases',
|
|---|
| 450 | 'q':'quit', 'exit':'quit',
|
|---|
| 451 | 'v':'verbose'}
|
|---|
| 452 |
|
|---|
| 453 | commands = {'help':['Prints help information', helpCmd],
|
|---|
| 454 | 'start':['Start virtual machine by name or uuid', startCmd],
|
|---|
| 455 | 'create':['Create virtual machine', createCmd],
|
|---|
| 456 | 'remove':['Remove virtual machine', removeCmd],
|
|---|
| 457 | 'pause':['Pause virtual machine', pauseCmd],
|
|---|
| 458 | 'resume':['Resume virtual machine', resumeCmd],
|
|---|
| 459 | 'stats':['Stats for virtual machine', statsCmd],
|
|---|
| 460 | 'powerdown':['Power down virtual machine', powerdownCmd],
|
|---|
| 461 | 'list':['Shows known virtual machines', listCmd],
|
|---|
| 462 | 'info':['Shows info on machine', infoCmd],
|
|---|
| 463 | 'aliases':['Shows aliases', aliasesCmd],
|
|---|
| 464 | 'verbose':['Toggle verbosity', verboseCmd],
|
|---|
| 465 | 'setvar':['Set VMs variable: setvar Fedora BIOSSettings.ACPIEnabled True', setvarCmd],
|
|---|
| 466 | 'eval':['Evaluate arbitrary Python construction: eval for m in getMachines(ctx): print m.name,"has",m.memorySize,"M"', evalCmd],
|
|---|
| 467 | 'quit':['Exits', quitCmd],
|
|---|
| 468 | 'host':['Show host information', hostCmd],
|
|---|
| 469 | 'guest':['Execute command for guest: guest Win32 console.mouse.putMouseEvent(20, 20, 0, 0)', guestCmd],
|
|---|
| 470 | }
|
|---|
| 471 |
|
|---|
| 472 | def runCommand(ctx, cmd):
|
|---|
| 473 | if len(cmd) == 0: return 0
|
|---|
| 474 | args = split_no_quotes(cmd)
|
|---|
| 475 | if len(args) == 0: return 0
|
|---|
| 476 | c = args[0]
|
|---|
| 477 | if aliases.get(c, None) != None:
|
|---|
| 478 | c = aliases[c]
|
|---|
| 479 | ci = commands.get(c,None)
|
|---|
| 480 | if ci == None:
|
|---|
| 481 | print "Unknown command: '%s', type 'help' for list of known commands" %(c)
|
|---|
| 482 | return 0
|
|---|
| 483 | return ci[1](ctx, args)
|
|---|
| 484 |
|
|---|
| 485 |
|
|---|
| 486 | def interpret(ctx):
|
|---|
| 487 | vbox = ctx['vb']
|
|---|
| 488 | print "Running VirtualBox version %s" %(vbox.version)
|
|---|
| 489 |
|
|---|
| 490 | ctx['perf'] = PerfCollector(vbox)
|
|---|
| 491 |
|
|---|
| 492 | autoCompletion(commands, ctx)
|
|---|
| 493 |
|
|---|
| 494 | # to allow to print actual host information, we collect info for
|
|---|
| 495 | # last 150 secs maximum, (sample every 10 secs and keep up to 15 samples)
|
|---|
| 496 | try:
|
|---|
| 497 | ctx['perf'].setup(['*'], [vbox.host], 10, 15)
|
|---|
| 498 | except:
|
|---|
| 499 | pass
|
|---|
| 500 |
|
|---|
| 501 | while True:
|
|---|
| 502 | try:
|
|---|
| 503 | cmd = raw_input("vbox> ")
|
|---|
| 504 | done = runCommand(ctx, cmd)
|
|---|
| 505 | if done != 0: break
|
|---|
| 506 | except KeyboardInterrupt:
|
|---|
| 507 | print '====== You can type quit or q to leave'
|
|---|
| 508 | break
|
|---|
| 509 | except EOFError:
|
|---|
| 510 | break;
|
|---|
| 511 | except Exception,e:
|
|---|
| 512 | print e
|
|---|
| 513 | if g_verbose:
|
|---|
| 514 | traceback.print_exc()
|
|---|
| 515 |
|
|---|
| 516 | try:
|
|---|
| 517 | # There is no need to disable metric collection. This is just an example.
|
|---|
| 518 | ctx['perf'].disable(['*'], [vbox.host])
|
|---|
| 519 | except:
|
|---|
| 520 | pass
|
|---|
