2023学年完整公开课版ComputingCloudService2–ImageManagementService

Shenzhen

Polytechnic

CollegeofElectronicsandCommunicationEngineeringComputingCloudService–Image

ManagementServiceIMS

ConceptImageisacloudservertemplateincludingsoftwareandnecessaryconfiguration,atleastoperatingsystem,as

well

as

applicationsoftwareandprivatesoftware.Imageserviceprovidesthefollowingtypesofimages:PublicimagePrivateimageSharedimageImageserviceappliesforelasticECS.Atthesametime,userscancreateprivateimagesthroughexistingECSorusingexternalimagefiles.Public

image:It

providessimpleandconvenientimageself-servicemanagementfunction.Userscanusepublicimage,privateimageorsharedimageflexiblyandconveniently,includingcommonstandardoperatingsystemimage,whichisvisibletoallusers,includingoperatingsystemandpre-installedpublicapplications.Theapplicationenvironmentorrelatedsoftwareneedstobe

self-configuredaccordingtotheactualsituation.Private

image:

Itcontainstheimageofoperatingsystem,pre-installedpublicapplicationanduser'sprivateapplication,whichisonlyvisibletotheuser.Choosingaprivateimagetocreateacloudservercansavetimetorepeatedlyconfigurethecloudserver.Privateimagescanbedividedintothefollowingtwotypesaccordingtothewaytheyarecreated.PrivateimagecreatedthroughECS.Aprivateimagecreatedfromanexternalimagefile.Userscanuploadtheexternalimagefileandregistertheimageonthepubliccloudplatformtobecometheirownprivateimage.Thecurrentlysupportedexternalimagefilesare:VMDK、VHD、QCOW2、ZVHD

format.Shared

image:

Userswillaccepttheprivateimagesharedbyotherusersonthepubliccloudplatformastheirown.IMS

Product

AdvantageSecurityFlexibilityConvenienceUnityConvenience:

UserscanmakeprivateimagesthroughelasticECSorECSsystemdiskbackup,oropenECSinbatchesthroughimages.Security:Usemultipleredundantstorageprivateimages

with

persistencereaching119（99.999999999%）Flexibility:

CustomizetheimagemanagementthroughtheconsoleoropenAPItohelpuserseasilymanagetheimage.Unity:

Achieve

unifieddeploymentandupgradeoftheapplicationsystemthroughcustomizedimages

andimprove

themaintenanceefficiency.Ensuretheconsistencyofapplicationenvironmentandsimplifyupgradeandmaintenance.IMSFunctionDescriptionCommonpublic

imageofmainstreamoperatingsystemisprovided.CreateprivateimagesManagementimagesCreateacloudserverthrough

imagesProvidepublicimageofmainstreamoperatingsystemItsupportswindows,UbuntuServer,CentOS,Debian,OpenSUSEandothermainstreamoperatingsystems.Please

refertotheoperatingsystemtypessupportedbypublicimages

for

details.Create

private

imagesUserscancreatenewprivateimagesthroughECS.

Management

images

Modifyprivateimageinformation;Deleteexistingprivateimages;Sh