\u5728\u64cd\u4f5cVM\u7684\u904e\u7a0b\uff0c\u7d93\u5e38\u6709\u9700\u8981\u628a\u6240\u6709\u672c\u5730\u7aef\u4e3b\u6a5f\u4e0a\u7684\u6240\u6709 VM\u90fd\u6253\u958b\u6216\u662f\u95dc\u6a5f\uff0c\u6709\u4e86Python API\uff0c\u6211\u5011\u53ef\u4ee5\u5efa\u7acb\u4e00\u500b\u7c21\u55ae\u7684\u7a0b\u5f0f\uff0c\u4f7f\u7528listAllDomains\u628a\u6240\u6709\u7684domain\u90fd\u627e\u51fa\u4f86\u653e\u5728\u4e00\u500b\u4e32\u5217\u4e2d\uff0c\u7136\u5f8c\u5206\u5225\u4ee5create()\u548cshutdown()\u9019\u5169\u500b\u65b9\u6cd5\u4f86\u6253\u958b\u6216\u662f\u95dc\u9589\u6bcf\u4e00\u500bdomain\uff08\u865b\u64ec\u6a5f\uff09\u3002<\/p>\n
\u7a0b\u5f0f\u78bc\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
[code lang=”python”]
\n#! \/usr\/bin\/python
\nimport libvirt
\nimport sys<\/p>\n
if len(sys.argv)<2:
\n print "Usage: vmturn on\/off"
\n exit(1)
\ncommand = sys.argv[1]
\nconn = libvirt.open("qemu:\/\/\/system")
\nallvm = conn.listAllDomains()
\nfor vm in allvm:
\n if command == ‘on’:
\n try: vm.create()
\n except: continue
\n if command == ‘off’:
\n try: vm.shutdown()
\n except: continue
\nconn.close()
\n[\/code]<\/p>\n
\u4f60\u53ef\u4ee5\u628a\u9019\u500b\u7a0b\u5f0f\u547d\u540d\u70ba vmturn\uff08\u4e0d\u7528\u526f\u6a94\u540d\uff09\uff0c\u7136\u5f8c\u8a2d\u5b9a\u6210\u53ef\u57f7\u884c\u6a94\uff0c\u8907\u88fd\u5230\/usr\/sbin\u4e2d\uff0c\u4ee5\u5f8c\u53ea\u8981\u60f3\u4e00\u53e3\u6c23\u6253\u958b\u6240\u6709\u7684VM\uff0c\u53ea\u8981\u57f7\u884c vmturn on\u5c31\u53ef\u4ee5\u4e86\uff0c\u7576\u7136\uff0c\u8981\u95dc\u9589\u6240\u6709\u7684VM\uff0c\u4e5f\u662f\u53ea\u8981\u4f7f\u7528 vmturn off\u3002\u8f38\u5165\u5176\u5b83\u7684\u53c3\u6578\u90fd\u4e0d\u6703\u6709\u4efb\u4f55\u7684\u4f5c\u7528\u3002<\/p>\n
\u9664\u4e86create()\u548cshutdown()\u9019\u5169\u500b\u65b9\u6cd5\u51fd\u6578\u4e4b\u5916\uff0c\u53ef\u4ee5\u64cd\u4f5cdomain\u7684\u65b9\u6cd5\u9084\u6709\u5982\u4e0b\u6240\u793a\u7684\u9019\u9ebc\u591a\u7a2e\uff0c\u6709\u8208\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u81ea\u5df1\u8a66\u8a66\u770b\u5594\uff1a<\/p>\n
‘abortJob’, ‘attachDevice’, ‘attachDeviceFlags’, ‘autostart’, ‘blkioParameters’, ‘blockCommit’, ‘blockCopy’, ‘blockInfo’, ‘blockIoTune’, ‘blockJobAbort’, ‘blockJobInfo’, ‘blockJobSetSpeed’, ‘blockPeek’, ‘blockPull’, ‘blockRebase’, ‘blockResize’, ‘blockStats’, ‘blockStatsFlags’, ‘connect’, ‘controlInfo’, ‘coreDump’, ‘coreDumpWithFormat’, ‘create’, ‘createWithFiles’, ‘createWithFlags’, ‘destroy’, ‘destroyFlags’, ‘detachDevice’, ‘detachDeviceFlags’, ‘diskErrors’, ’emulatorPinInfo’, ‘fSTrim’, ‘fsFreeze’, ‘fsThaw’, ‘getCPUStats’, ‘getTime’, ‘hasCurrentSnapshot’, ‘hasManagedSaveImage’, ‘hostname’, ‘info’, ‘injectNMI’, ‘interfaceParameters’, ‘interfaceStats’, ‘isActive’, ‘isPersistent’, ‘isUpdated’, ‘jobInfo’, ‘jobStats’, ‘listAllSnapshots’, ‘managedSave’, ‘managedSaveRemove’, ‘maxMemory’, ‘maxVcpus’, ‘memoryParameters’, ‘memoryPeek’, ‘memoryStats’, ‘metadata’, ‘migrate’, ‘migrate2’, ‘migrate3’, ‘migrateGetCompressionCache’, ‘migrateGetMaxSpeed’, ‘migrateSetCompressionCache’, ‘migrateSetMaxDowntime’, ‘migrateSetMaxSpeed’, ‘migrateToURI’, ‘migrateToURI2’, ‘migrateToURI3’, ‘name’, ‘numaParameters’, ‘openChannel’, ‘openConsole’, ‘openGraphics’, ‘openGraphicsFD’, ‘pMSuspendForDuration’, ‘pMWakeup’, ‘pinEmulator’, ‘pinVcpu’, ‘pinVcpuFlags’, ‘reboot’, ‘reset’, ‘resume’, ‘revertToSnapshot’, ‘save’, ‘saveFlags’, ‘schedulerParameters’, ‘schedulerParametersFlags’, ‘schedulerType’, ‘screenshot’, ‘securityLabel’, ‘securityLabelList’, ‘sendKey’, ‘sendProcessSignal’, ‘setAutostart’, ‘setBlkioParameters’, ‘setBlockIoTune’, ‘setInterfaceParameters’, ‘setMaxMemory’, ‘setMemory’, ‘setMemoryFlags’, ‘setMemoryParameters’, ‘setMemoryStatsPeriod’, ‘setMetadata’, ‘setNumaParameters’, ‘setSchedulerParameters’, ‘setSchedulerParametersFlags’, ‘setTime’, ‘setVcpus’, ‘setVcpusFlags’, ‘shutdown’, ‘shutdownFlags’, ‘snapshotCreateXML’, ‘snapshotCurrent’, ‘snapshotListNames’, ‘snapshotLookupByName’, ‘snapshotNum’, ‘state’, ‘suspend’, ‘undefine’, ‘undefineFlags’, ‘updateDeviceFlags’, ‘vcpuPinInfo’, ‘vcpus’, ‘vcpusFlags’<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728\u64cd\u4f5cVM\u7684\u904e\u7a0b\uff0c\u7d93\u5e38\u6709\u9700\u8981\u628a\u6240\u6709\u672c\u5730\u7aef\u4e3b\u6a5f\u4e0a\u7684\u6240\u6709 VM\u90fd\u6253\u958b\u6216\u662f\u95dc\u6a5f\uff0c\u6709\u4e86Python API\uff0c\u6211\u5011\u53ef\u4ee5\u5efa\u7acb\u4e00\u500b\u7c21\u55ae\u7684\u7a0b\u5f0f\uff0c\u4f7f\u7528listAllDomains\u628a\u6240\u6709\u7684domain\u90fd\u627e\u51fa\u4f86\u653e\u5728\u4e00\u500b\u4e32\u5217\u4e2d\uff0c\u7136\u5f8c\u5206\u5225\u4ee5create()\u548cshutdown()\u9019\u5169\u500b\u65b9\u6cd5\u4f86\u6253\u958b\u6216\u662f\u95dc\u9589\u6bcf\u4e00\u500bdomain\uff08\u865b\u64ec\u6a5f\uff09\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[97,15],"tags":[162,193,194],"class_list":["post-2784","post","type-post","status-publish","format-standard","hentry","category-kvm-libvirt","category-python","tag-python-libvirt-api","tag-vm-create","tag-vm-shutdown"],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/posts\/2784","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/comments?post=2784"}],"version-history":[{"count":0,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/posts\/2784\/revisions"}],"wp:attachment":[{"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/media?parent=2784"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/categories?post=2784"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/tags?post=2784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}