CN106775922A - A kind of virtual machine migration method based on Plugin Mechanism - Google Patents
A kind of virtual machine migration method based on Plugin Mechanism Download PDFInfo
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- CN106775922A CN106775922A CN201611029395.3A CN201611029395A CN106775922A CN 106775922 A CN106775922 A CN 106775922A CN 201611029395 A CN201611029395 A CN 201611029395A CN 106775922 A CN106775922 A CN 106775922A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/4557—Distribution of virtual machine instances; Migration and load balancing
Abstract
The invention discloses a kind of virtual machine migration method based on Plugin Mechanism, including source virtual machine management platform and purpose virtual machine management platform, and design migration proxy module, drive module and import proxy module, based on above three module, the specific transition process of virtual machine is：Migration proxy module obtains magnetic disk of virtual machine mirror image and configuration specifications parameter from source virtual machine management platform first, and completes conversion；Then drive module is used for managing drive plug；Finally import proxy module and rebuild virtual machine in purpose virtual machine management platform using the magnetic disk of virtual machine mirror image after conversion.This is based on the virtual machine migration method of Plugin Mechanism compared with prior art, realize the Autonomic Migration Framework of cross-platform virtual machine, the efficiency of virtual machine (vm) migration during effective raising virtual machine management platform O＆M, the present invention is based on expansible design architecture, so that without being modified to original system, new virtual machine management platform can be supported, it is practical.
Description
Technical field
It is specifically a kind of practical, based on Plugin Mechanism the present invention relates to virtualize field of cloud computer technology
Virtual machine migration method.
Background technology
With the increasingly maturation of Intel Virtualization Technology, the business and increase income Intel Virtualization Technology, wherein business of many maturations are occurred in that
Industry version with VMware as representative, ripe and stabilization.However, KVM, Xen etc. increase income, Intel Virtualization Technology there has also been quickly hair
Exhibition, all increasingly ripe and stabilization in function and performance.On this basis, cloud computing development surges forward, all big enterprises
Numerous and confused infusion of financial resources and technical force have developed the cloud product of oneself.
But, the product bottom of different vendor may have been used different Intel Virtualization Technologies, this just derived one it is new
The V2V of demand virtual machine（Virtual-to-Virtual）Migration.Due to different virtual machine management platform underlying virtual technology
With the difference of api interface, make the cross-platform migration of virtual machine difficult.
The mode of V2V virtual machine (vm) migrations is broadly divided into two kinds, static migrating and dynamic migration.Static migrating, as the term suggests,
Virtual machine is suspended or shut down first before migration, virtual machine image and state is copied to purpose host, then in purpose place
Main frame restarts virtual machine.Static migrating, has the disadvantage that its transition process needs virtual machine to shut down, and traffic affecting operation makes
With and dynamic migration, virtual machine (vm) migration process only needs of short duration downtime, will not cause service disconnection；Static migrating advantage
It is that there is stronger compatibility, it is possible to achieve the migration between different platform virtual machine.
Due to there is identical to realize technology and api interface between same platform virtual machine, can be relatively easy to realize
Static migrating and dynamic migration.But for cross-platform virtual machine (vm) migration, because bottom layer realization technology may be different, implement
Difficulty is larger.Original open-source cross-platform virtual machine migration tool, such as, virt-v2v can realize other virtual machine platforms to base
In the migration of the libvirt management platforms of KVM, but can not well support that other are based on the management platform of KVM, move to
Purpose management platform can only be imported from libvirt management platforms again by hand after libvirt management platforms, limit it and use.
Based on this, the present invention proposes a kind of virtual machine migration method based on Plugin Mechanism.
The content of the invention
Technical assignment of the invention is directed to above weak point, there is provided a kind of practical, based on Plugin Mechanism void
Plan machine moving method.
A kind of virtual machine migration method based on Plugin Mechanism, including source virtual machine management platform and purpose Virtual Machine Manager
Platform, and design migration proxy module, drive module and import proxy module, based on above three module, virtual machine it is specific
Transition process is：
Migration proxy module obtains magnetic disk of virtual machine mirror image and configuration specifications parameter from source virtual machine management platform first, and simultaneously
Complete the conversion of virtual machine image form；
Then drive module is used for the drive plug of managed source virtual machine management platform and purpose virtual machine management platform, the plug-in unit
It is instant inserted and instant using type plug-in unit, i.e., for different virtual machine management platforms, establishing criteria interface realizes drive plug, when using only
Plug-in unit need to be put into assigned catalogue；
Finally import proxy module and rebuild virtual machine in purpose virtual machine management platform using the magnetic disk of virtual machine mirror image after conversion.
Migration proxy module obtains magnetic disk of virtual machine mirror image and configuration specifications parameter includes following two modes：
1）Task bag lead-in mode is obtained：Before carrying out the migration of virtual machine, first by virtual machine to be migrated, i.e. source virtual machine
Disk mirroring and configuration specification information are obtained and packed by hand；Local packaging file is selected during migration as source virtual machine
Management platform type, the automatic packaging file to selecting of migration proxy module is unpacked, the disk mirroring inside conversion packaging file
Form and analysis configuration specification information therein；
2）Automatically generate importing task bag：To obtain and the magnetic disk of virtual machine mirror image to be migrated after format transformation and configuration specification letter
Breath is encapsulated as an importing task bag for including disk mirroring, configuration specification information and mission bit stream after changing.
The drive plug of the source virtual machine management platform is realized obtaining magnetic disk of virtual machine mirror from source virtual machine management platform
Picture and configuration specification information, the drive plug provide following two interfaces：Magnetic disk of virtual machine mirror image obtains interface, virtual machine configuration
Specification information obtains interface；The function of purpose virtual machine management platform drive plug be based on magnetic disk of virtual machine mirror image to be migrated and
Configuration specification information rebuilds virtual machine in purpose virtual machine management platform, and the drive plug provides a reconstruction virtual machine interface.
Virtual machine management platform drive plug is deposited in into the catalogue that a configuration file is specified, is added in this catalogue when calling
Drive plug is carried, and calls corresponding standard interface；Safeguard that a virtual machine management platform and correspondence drive in internal memory simultaneously
The mapping table of plug-in unit, this mapping table is loaded from configuration file, and is reloaded before drive plug is called and matched somebody with somebody
The mapping table of file is put, so as to ensure that mapping table is newest.
The drive plug of the drive module management can automatically find and call, i.e., when the Virtual Machine Manager for needing support new
During platform, drive module finds the new platform and is called according to standard interface to realize corresponding drive plug, drives mould
Root tuber the corresponding driving of query driven plug-in unit and is loaded according to the virtual machine management platform type specified from mapping table, then
Standard interface is called to complete to obtain virtual machine image and configuration specification information or import mirror image to purpose virtual machine management platform
With reconstruction virtual machine.
The drive plug finds automatically and the detailed process called is：
Management platform type is determined first, and management platform type is supported from Parameter File configuration and the selection of foreground UI；
Turntable driving administrative directory, checks whether there is the drive plug of the management platform specified；
If the driven management plug-in unit that will be called is present, load, and go to next step；If it does not exist, then returning wrong
False information；
The standard interface of drive plug is called after loading carries out the acquisition or reconstruction of magnetic disk of virtual machine mirror image to be migrated.
Importing proxy module supports being automatically imported for migration task, i.e. the importing proxy module according to migration proxy module life
Into importing task bag in magnetic disk of virtual machine mirror image to be migrated and configuration specification information continue migration task operation, in purpose
Virtual machine management platform rebuilds virtual machine.
Based on above-mentioned migration proxy module, drive module and proxy module is imported, virtual machine (vm) migration is concretely comprised the following steps：
The disk mirroring of virtual machine is obtained by the Protocol of http agreements, SSH agreements or virtual machine management platform and is matched somebody with somebody
Put specification information；
The magnetic disk of virtual machine mirror image for obtaining is changed the disk image format supported into purpose virtual machine management platform；
Whether the virtual machine hardware driving storehouse needed after migration is lacked in analysis magnetic disk of virtual machine mirror image, if missing, is carried out
The injection of file is driven to install；
Rebuild empty in purpose virtual machine management platform according to the disk mirroring after the virtual machine configuration specification information and conversion for obtaining
Plan machine.
A kind of virtual machine migration method based on Plugin Mechanism of the invention, with advantages below：
A kind of virtual machine migration method based on Plugin Mechanism that the present invention is provided, realize cross-platform virtual machine from moving
Move, the efficiency of virtual machine (vm) migration during effective raising virtual machine management platform O＆M, the present invention is based on expansible designed holder
Structure so that without being modified to original system, you can support new virtual machine management platform；Support that virtual machine image is empty in source
The automatic download of plan machine management platform, source virtual machine management platform drives to be realized using Plugin Mechanism, supports plug and play, can be with
Support numerous virtual management platforms；Support virtual machine to be migrated to the automatic Reconstruction of purpose virtual machine management platform, purpose
Virtual machine management platform drives to be realized using Plugin Mechanism, supports plug and play, can support numerous virtual machines based on KVM
Management platform；Support that the injection of the automatic conversion and hardware driving of magnetic disk of virtual machine mirror-image format is installed, eliminate transition process
In manually install drive process, improve the efficiency of migration；The operating system migration of current main flow can be supported, such as
CentOS, windows 2003, window2008, windows2012 etc., it is practical, it is applied widely, it is easy to promote.
Brief description of the drawings
Accompanying drawing 1 is virtual machine management platform plug-in unit discovery mechanism.
System diagram is realized in the embodiment of the present invention of accompanying drawing 2.
Accompanying drawing 3 is the logical functional entity schematic diagram of migration agency and importing agency in embodiment.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the invention will be further described.
As shown in Figure 1, a kind of virtual machine migration method based on Plugin Mechanism of the invention, including source virtual machine is managed
Platform and purpose virtual machine management platform, and design migration proxy module, drive module and import proxy module, based on above-mentioned three
Individual module, the specific transition process of virtual machine is：
Migration proxy module obtains magnetic disk of virtual machine mirror image and configuration specifications parameter from source virtual machine management platform first, and simultaneously
Complete the conversion of virtual machine image form；
Then drive module is used for the drive plug of managed source virtual machine management platform and purpose virtual machine management platform, the plug-in unit
It is instant inserted and instant using type plug-in unit, i.e., for different virtual machine management platforms, establishing criteria interface realizes drive plug, when using only
Plug-in unit need to be put into assigned catalogue；
Finally import proxy module and rebuild virtual machine in purpose virtual machine management platform using the magnetic disk of virtual machine mirror image after conversion.
Based on above-mentioned steps, the present invention carries out described in detail below：
The invention mainly comprises migration proxy module, drive module, proxy module is imported, wherein migration proxy module is responsible for from source
Virtual machine management platform obtains virtual machine image and configuration specification information, and completes the form conversion of magnetic disk of virtual machine mirror image.Need
To be illustrated, if necessary to install some virtual machine hardware drivings that purpose virtual machine management platform needs, this is specially
Sharp methods described is installed by the way of file injection.If there are multiple disk mirrorings in virtual machine to be migrated, can simultaneously by it
Download go forward side by side row format conversion.
Due to the otherness of source virtual machine management platform, cause the acquisition side of magnetic disk of virtual machine mirror image and configuration specification information
Formula is also different.Such as, if source virtual machine management platform is VMware platforms, it is possible to use http agreements or ssh agreements
It is downloaded.
For the diversity of adaptive migration scene in this patent methods described, such as some source virtual machine management platforms due to
Security needs limit outer net connection or do not allow non-authorised software to enter its range of management.
Task bag lead-in mode obtains magnetic disk of virtual machine mirror image：
In this patent methods described, the disk mirroring of virtual machine to be migrated and configuration specification information can be obtained by hand first
Take and pack.Migration proxy module can select local packaging file as source virtual machine management platform, and it can be automatic to choosing
The packaging file selected is unpacked, disk image format and analysis configuration specification information therein inside conversion packaging file.
1st, importing task bag is automatically generated：
In this patent methods described, migration proxy module supports the magnetic disk of virtual machine mirror image to be migrated that will be obtained and configuration specification letter
Breath is encapsulated as a task bag for including disk mirroring, configuration specification information and mission bit stream after changing.Importing task bag
Specific effect will illustrate that part is introduced proxy module function is imported.
In order to support different types of virtual machine management platform, this patent methods described devises drive module, for every
Individual source virtual machine management platform, has a corresponding drive plug, and drive module employs the design philosophy of plug and play.Such as
Fruit needs the new virtual machine management platform of support, only need to realize corresponding drive plug according to standard interface.Need special
Illustrate, migration proxy module is carried out magnetic disk of virtual machine mirror image by way of the importing of task bag and configures specification information
Obtain, be also to be realized as a kind of source virtual machine management platform drive plug.
Proxy module is imported to be responsible for using the magnetic disk of virtual machine mirror image after conversion and configuration specification information in purpose virtual machine
Management platform rebuilds virtual machine.Because the virtual machine management platform for being currently based on KVM is more, such as openstack,
Cloudstack etc..This patent methods described is directed to different purpose virtual machine management platforms, same using plug and play design
The drive plug mechanism of thought.For each purpose virtual machine management platform, a drive plug is realized based on standard interface,
Its function is mainly rebuilds virtual machine in purpose virtual machine management platform.
In this patent methods described, cannot in order to adapt to source virtual machine management platform and purpose virtual machine management platform network
The scene of connection, imports proxy module and supports being automatically imported for task.Can be generated using foregoing migration proxy module during migration
Importing task bag, continue the operation of migration task, magnetic disk of virtual machine mirror image in task based access control bag and configuration specification information exist
Purpose virtual machine management platform rebuilds virtual machine.
2nd, the drive plug administrative mechanism of plug and play.
For compatible various virtual machine management platforms, this patent methods described devises a kind of drive plug of plug and play
Administrative mechanism, virtual machine management platform drive plug finds that call-by mechanism is as shown in Figure 1.This patent methods described, for migration
Drive plug and import the drive plug that proxy module is called that proxy module is called, separately design a set of interface standard, each
Plug-in unit is all realized according to this interface standard.When carrying out mirror image acquisition or rebuilding virtual machine, meeting turntable driving administrative directory first
In with the presence or absence of the drive plug that will call.If it is present calling the standard interface of corresponding drive plug carries out mirror image
Acquisition or virtual machine reconstruction；If it does not exist, then returning to mistake.
3rd, the migration flow of virtual machine.
The disk of virtual machine is obtained by http agreements, the Protocol of ssh agreements or virtual machine management platform and interface
Mirror image and configuration specification information, depending on the mode of acquisition magnetic disk of virtual machine mirror image is with virtual machine management platform.Such as, for
VMware management platforms can use http agreements or ssh agreements.
The magnetic disk of virtual machine mirror image for obtaining is changed the disk image format supported into purpose virtual machine management platform, for
The disk image format that KVM is supported, is changed using qemu-img instruments.
Whether some the virtual machine hardware driving storehouses needed after migration are lacked in analysis magnetic disk of virtual machine mirror image, is such as lacked
Lose, then using tripartite's tool storage room file will be driven to inject disk mirroring；Such as there is correspondence hardware driving, then go to next step.
By virtual machine from VMware management platforms move to the virtual machine management platform based on KVM when, for disk drive,
The virtio that trawl performance generally uses half virtual machine is driven, it is necessary to install the driving of needs inside disk mirroring.
4th, according to the disk mirroring after the virtual machine configuration specification information and conversion for obtaining in purpose virtual machine management platform
Rebuild virtual machine.
With reference to the system architecture diagram in accompanying drawing 2 of the present invention, the scene of cross-platform virtual machine (vm) migration, v2v-agent are applied to
It is responsible for obtaining magnetic disk of virtual machine mirror image to be migrated and specification configuration information from source virtual machine management platform, and disk mirroring is changed
It is the mirror-image format that KVM is supported, will then needs driving to be mounted to use file if necessary to install hardware driving in transition process
The mode of injection is installed.
V2v-agent include downloading service logic entity, transformation service logic entity, wherein downloading service logic entity
For obtaining the disk mirroring and configuration specification information of virtual machine to be migrated, it is necessary to illustrate, if virtual machine to be migrated is deposited
In multiple disk mirrorings, can be downloaded simultaneously.
Transformation service logic entity, it is purpose Virtual Machine Manager to be responsible for changing the magnetic disk of virtual machine mirror image to be migrated for obtaining
The disk image format that platform is supported is, it is necessary to explanation, the disk image format that purpose virtual machine management platform is supported is by putting down
Platform bottom Hypervisors is determined.In the present embodiment, purpose disk image format is mainly the kvm such as raw, qcow2 supports
Disk image format, disk image format conversion is realized using qemu-img instruments.
As shown in Figure 3, export-agent includes parsing service logic entity and importing service logic entity, parses industry
Business logic entity is mainly responsible for the specification configuration information of the virtual machine to be migrated that analysis is obtained, wherein mainly including virtual cpu, interior
Deposit, disk, network interface card etc., these information will be used as the foundation when purpose virtual machine management platform rebuilds virtual machine.
Service logic entity is imported, the main disk mirroring being responsible for based on virtual machine to be migrated and configuration specification are empty on mesh ground
Plan machine management platform rebuilds virtual machine.It is important to note that magnetic disk of virtual machine mirror image to be migrated here is after changing
The disk mirroring that purpose virtual machine management platform is supported.
Due to the difference of purpose virtual machine management platform, the mode for rebuilding virtual machine may also be not quite similar.With based on KVM
Openstack as a example by, rebuild virtual machine when need that magnetic disk of virtual machine mirror image to be migrated is uploaded into purpose virtual machine pipe first
Platform, while the configuration specification information according to virtual machine to be migrated sets up falvor, be finally based on upload disk mirroring and
The falvor of foundation creates virtual machine.It should be noted that being directed to other virtual machine management platforms, the flow for rebuilding virtual machine can
Can be different.Such as, purpose virtual machine management platform is managed using libvirt, and the management wherein for mirror image may
The mode that storage is shared in rear end is employed, and this is accomplished by the purpose management platform for considering mirror image to be imported using other modes.
As shown in Figure 2, source virtual machine management platform, v2v-agent, export-agent, purpose Virtual Machine Manager are put down
Network can be connected platform needs in same network, or between them.V2v-agent and export-agent logic entities
Can be deployed in a physical machine, it is also possible to be deployed in respectively in different physical machines, but disposed physical machine must and source
Virtual machine management platform and purpose virtual machine management platform are located in same network, or network is connection.
A bit of special instruction, this patent methods described, in order to support source virtual machine management platform and purpose virtual machine pipe
The obstructed scene of platform network, v2v-agent supports the magnetic disk of virtual machine mirror image to be migrated that will be obtained and configuration specification information,
One is packaged as to import task bag and purpose virtual machine management platform wouldn't be imported.Comprising virtual after changing in importing task bag
Machine disk mirroring, virtual machine configuration specification to be migrated and mission bit stream.
Export-agent logic entities support being automatically imported for task, and the operation of the migration task is may proceed to after importing.
The magnetic disk of virtual machine mirror image and configuration specification information that it can be based in this importing task bag are rebuild in purpose virtual machine management platform
Virtual machine.
In this patent methods described, the virtual machine management platform drive plug of plug and play uses following specific implementation
Example.
Firstly, it is necessary to define a set of unified interface standard, particularly point out, due to source virtual machine management platform drive plug
Effect with purpose virtual machine management platform drive plug is different, and their interface standard is different.Source virtual machine management is flat
Platform drive plug is mainly realization and obtains magnetic disk of virtual machine mirror image and configuration specification information from source virtual machine management platform, therefore sets
Count following two primary interfaces：
Magnetic disk of virtual machine mirror image obtains interface.
Virtual machine configuration specification information obtains interface.
For each source virtual machine management platform, the implementation of two above interface is probably different, with virtual machine
Disk mirroring is obtained as a example by interface, if source virtual machine management platform uses VMware, can be obtained based on http or ssh agreements
Disk mirroring, if source virtual machine management platform uses other management platforms, it is necessary to the way to manage used according to it, realizes
The acquisition of magnetic disk of virtual machine mirror image.
For purpose virtual machine management platform drive plug, its major function be based on magnetic disk of virtual machine mirror image to be migrated and
Configuration specification information rebuilds virtual machine in purpose virtual machine management platform.Therefore major design one rebuilds virtual machine interface.
Because different purpose virtual machine management platforms, the mode for rebuilding virtual machine is different.Thus, for different
Virtual machine management platform, this patent methods described realizes a drive plug based on above standard interface, and it is mainly realized
Correspondence virtual machine management platform rebuilds the function of virtual machine.
In this patent methods described, either source virtual machine management platform drive plug or purpose virtual machine management platform
Drive plug, all using the loading method of calling of plug and play, is described below the drive plug management for how realizing plug and play
Mechanism.
In this patent methods described, virtual machine management platform drive plug is deposited in into the mesh that a configuration file is specified
Record, in this catalogue load driver plug-in unit when calling, and calls corresponding standard interface.
Meanwhile, the mapping table of a virtual machine management platform and correspondence drive plug can be safeguarded in internal memory, this is right
Answer relation table to be loaded from configuration file, and the mapping table of configuration file was reloaded before drive plug is called, from
And it is newest to ensure mapping table.
The type of source virtual machine management platform and purpose virtual machine management platform can allow operating personnel to be selected in UI,
Program the corresponding driving of query driven plug-in unit and can be loaded according to the virtual machine management platform type specified from mapping table.
Then, the standard interface wherein realized is called to complete to obtain virtual machine image and configuration specification information or to purpose virtual machine pipe
Platform imports mirror image and rebuilds virtual machine.
Drive plug management and the key step of discovery mechanism below with regard to plug and play in this patent methods described does one
Lower elaboration, is illustrated in the present embodiment by taking source virtual machine management platform drive plug as an example.
（1）According to source virtual machine management platform type read from configuration file or that foreground UI is incoming in internal memory
Corresponding driving file is retrieved in mapping table.If retrieved successfully, step is gone to（2）；If retrieval failure, returns
Error message.
（2）From the scanning of drive plug storage catalogue with the presence or absence of the drive plug specified.
（3）If there is specified drive plug, then load driver plug-in unit；If it does not exist, then returning to specific plug-in not
The error message of presence.
（4）Drive plug standard interface is called to obtain magnetic disk of virtual machine mirror image and configuration specification information.
In this patent methods described, the acquisition of magnetic disk of virtual machine mirror image and configuration specification information is realized in drive plug
, likewise, it is also to be realized in drive plug to rebuild virtual machine to be migrated in purpose virtual machine management platform.
The embodiment of this patent methods described, the main flow only for virtual machine (vm) migration is illustrated, and is directed to difference
Virtual machine management platform, the acquisition of specific disk mirroring and method for reconstructing are different, the main flows of virtual machine (vm) migration
It is as follows：
1., by the Protocol of http agreements, ssh agreements or virtual machine management platform obtain virtual machine disk mirroring and
Configuration specification information, obtains the mode of virtual machine image different and different because of virtual machine management platform.
2., the virtual machine image for obtaining is changed the disk image format supported into purpose virtual machine management platform, this is specially
It is that disk mirroring is converted into the disk image format that KVM is supported in sharp methods described.
3. whether some the hardware driving storehouses needed after migration, are lacked in analysis virtual machine image.As lacked, then driven
Dynamic file injection is installed.Such as, by virtual machine from VMware management platforms move to the virtual machine management platform based on KVM when,
Driven for the virtio that disk drive, trawl performance generally use half virtual machine, it is necessary to be installed inside disk mirroring
Virtio drives.
4., according to the disk mirroring after the virtual machine configuration specification information and conversion for obtaining in purpose virtual machine management platform
Rebuild virtual machine.
Above-mentioned specific embodiment is only specific case of the invention, and scope of patent protection of the invention is included but is not limited to
Above-mentioned specific embodiment, any claims for meeting a kind of virtual machine migration method based on Plugin Mechanism of the invention
And any technical field the appropriate change or replacement done to it of those of ordinary skill, should all fall into it is of the invention specially
Sharp protection domain.
Claims (8)
1. a kind of virtual machine migration method based on Plugin Mechanism, it is characterised in that including source virtual machine management platform and purpose
Virtual machine management platform, and design migration proxy module, drive module and import proxy module, it is empty based on above three module
The specific transition process of plan machine is：
Migration proxy module obtains magnetic disk of virtual machine mirror image and configuration specifications parameter from source virtual machine management platform first, and simultaneously
Complete the conversion of virtual machine image form；
Then drive module is used for the drive plug of managed source virtual machine management platform and purpose virtual machine management platform, the plug-in unit
It is instant inserted and instant using type plug-in unit, i.e., for different virtual machine management platforms, establishing criteria interface realizes drive plug, when using only
Plug-in unit need to be put into assigned catalogue；
Finally import proxy module and rebuild virtual machine in purpose virtual machine management platform using the magnetic disk of virtual machine mirror image after conversion.
2. a kind of virtual machine migration method based on Plugin Mechanism according to claim 1, it is characterised in that migration agency
Module obtains magnetic disk of virtual machine mirror image and configuration specifications parameter includes following two modes：
1）Task bag lead-in mode is obtained：Before carrying out the migration of virtual machine, first by virtual machine to be migrated, i.e. source virtual machine
Disk mirroring and configuration specification information are obtained and packed by hand；Local packaging file is selected during migration as source virtual machine
Management platform type, the automatic packaging file to selecting of migration proxy module is unpacked, the disk mirroring inside conversion packaging file
Form and analysis configuration specification information therein；
2）Automatically generate importing task bag：To obtain and the magnetic disk of virtual machine mirror image to be migrated after format transformation and configuration specification letter
Breath is encapsulated as an importing task bag for including disk mirroring, configuration specification information and mission bit stream after changing.
3. a kind of virtual machine migration method based on Plugin Mechanism according to claim 1, it is characterised in that the source is empty
The drive plug of plan machine management platform is realized obtaining magnetic disk of virtual machine mirror image and configuration specification information from source virtual machine management platform,
The drive plug provides following two interfaces：Magnetic disk of virtual machine mirror image obtains interface, virtual machine configuration specification information and obtains interface；
The function of purpose virtual machine management platform drive plug is in mesh based on magnetic disk of virtual machine mirror image to be migrated and configuration specification information
Virtual machine management platform rebuild virtual machine, the drive plug provide one reconstruction virtual machine interface.
4. a kind of virtual machine migration method based on Plugin Mechanism according to claim 3, it is characterised in that by virtual machine
Management platform drive plug deposits in the catalogue that a configuration file is specified, and in this catalogue load driver plug-in unit when calling, and adjusts
Use corresponding standard interface；The corresponding relation of a virtual machine management platform and correspondence drive plug is safeguarded in internal memory simultaneously
Table, this mapping table is loaded from configuration file, and the correspondence pass of configuration file was reloaded before drive plug is called
It is table, so as to ensure that mapping table is newest.
5. a kind of virtual machine migration method based on Plugin Mechanism according to claim 4, it is characterised in that the driving
The drive plug of module management can automatically find and call, i.e., when needing to support new virtual machine management platform, drive module
It was found that the new platform and being called according to standard interface and realizing corresponding drive plug, drive module is virtual according to what is specified
Machine management platform type the corresponding driving of query driven plug-in unit and is loaded from mapping table, then calls standard interface to complete
Obtain virtual machine image and configuration specification information or import mirror image to purpose virtual machine management platform and rebuild virtual machine.
6. a kind of virtual machine migration method based on Plugin Mechanism according to claim 5, it is characterised in that the driving
Plug-in unit finds automatically and the detailed process called is：
Management platform type is determined first, and management platform type is supported from Parameter File configuration and the selection of foreground UI；
Turntable driving administrative directory, checks whether there is the drive plug of the management platform specified；
If the driven management plug-in unit that will be called is present, load, and go to next step；If it does not exist, then returning wrong
False information；
The standard interface of drive plug is called after loading carries out the acquisition or reconstruction of magnetic disk of virtual machine mirror image to be migrated.
7. a kind of virtual machine migration method based on Plugin Mechanism according to claim 1, it is characterised in that import agency
Module is supported in the importing task bag of being automatically imported for migration task, i.e. the importing proxy module according to migration proxy module generation
Magnetic disk of virtual machine mirror image to be migrated and configuration specification information continue migration task operation, in purpose virtual machine management platform weight
Build virtual machine.
8. according to a kind of any described virtual machine migration methods based on Plugin Mechanism of claim 1-7, it is characterised in that base
In above-mentioned migration proxy module, drive module and proxy module is imported, virtual machine (vm) migration is concretely comprised the following steps：
The disk mirroring of virtual machine is obtained by the Protocol of http agreements, SSH agreements or virtual machine management platform and is matched somebody with somebody
Put specification information；
The magnetic disk of virtual machine mirror image for obtaining is changed the disk image format supported into purpose virtual machine management platform；
Whether the virtual machine hardware driving storehouse needed after migration is lacked in analysis magnetic disk of virtual machine mirror image, if missing, is carried out
The injection of file is driven to install；
Rebuild empty in purpose virtual machine management platform according to the disk mirroring after the virtual machine configuration specification information and conversion for obtaining
Plan machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611029395.3A CN106775922A (en) | 2016-11-22 | 2016-11-22 | A kind of virtual machine migration method based on Plugin Mechanism |
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| CN107301088A (en) * | 2017-07-14 | 2017-10-27 | 郑州云海信息技术有限公司 | A kind of method and apparatus for managing virtual machine batch migration |
| CN109040788A (en) * | 2018-09-19 | 2018-12-18 | 北京萌科科技有限公司 | A kind of video broadcasting method and system |
| CN109358952A (en) * | 2018-10-30 | 2019-02-19 | 张家口浩扬科技有限公司 | A kind of virtual machine migration method and system |
| CN109445908A (en) * | 2018-10-30 | 2019-03-08 | 张家口浩扬科技有限公司 | A kind of virtual machine backup method and system |
| CN109522088A (en) * | 2018-09-30 | 2019-03-26 | 华为技术有限公司 | A kind of virtual machine migration method and device |
| CN109918147A (en) * | 2019-02-20 | 2019-06-21 | 杭州迪普科技股份有限公司 | Extended method, device, the electronic equipment driven under OpenStack |
| CN111679889A (en) * | 2020-06-10 | 2020-09-18 | 广州市品高软件股份有限公司 | Virtual machine conversion migration method and system |
| CN112256397A (en) * | 2020-10-28 | 2021-01-22 | 上海英方软件股份有限公司 | Virtual machine cross-platform migration method and system |
| CN112328366A (en) * | 2020-11-06 | 2021-02-05 | 上海英方软件股份有限公司 | Efficient cloud platform host protection method and system |
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| CN107301088A (en) * | 2017-07-14 | 2017-10-27 | 郑州云海信息技术有限公司 | A kind of method and apparatus for managing virtual machine batch migration |
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| CN109445908A (en) * | 2018-10-30 | 2019-03-08 | 张家口浩扬科技有限公司 | A kind of virtual machine backup method and system |
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| CN109918147A (en) * | 2019-02-20 | 2019-06-21 | 杭州迪普科技股份有限公司 | Extended method, device, the electronic equipment driven under OpenStack |
| CN111679889A (en) * | 2020-06-10 | 2020-09-18 | 广州市品高软件股份有限公司 | Virtual machine conversion migration method and system |
| CN111679889B (en) * | 2020-06-10 | 2023-08-29 | 广州市品高软件股份有限公司 | Conversion migration method and system of virtual machine |
| CN112256397A (en) * | 2020-10-28 | 2021-01-22 | 上海英方软件股份有限公司 | Virtual machine cross-platform migration method and system |
| CN112328366B (en) * | 2020-11-06 | 2022-09-06 | 上海英方软件股份有限公司 | Efficient cloud platform host protection method and system |
| CN112328366A (en) * | 2020-11-06 | 2021-02-05 | 上海英方软件股份有限公司 | Efficient cloud platform host protection method and system |
| CN117112072A (en) * | 2023-10-25 | 2023-11-24 | 成都云祺科技有限公司 | Cross-platform virtual machine drive replacement method, system and storage medium |
| CN117112072B (en) * | 2023-10-25 | 2023-12-22 | 成都云祺科技有限公司 | Cross-platform virtual machine drive replacement method, system and storage medium |
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