Method, system and apparatus for creating virtual machine

1. A method for creating virtual machines for a distributed application, comprising:

receiving a virtual machine creation request, wherein the virtual machine creation request instructs an apparatus to create a plurality of virtual machines for the distributed application;

dividing the plurality of virtual machines as instructed by the virtual machine creation request into a plurality of virtual machine groups according to a rack awareness attribute of the distributed application, wherein each virtual machine group comprises at least one virtual machine;

allocating one home physical rack for each virtual machine group according to constraint information of the plurality of virtual machine groups, wherein the constraint information denotes an association relationship or a mutex relationship of the plurality of virtual machine groups; and

creating the virtual machine groups on the allocated home physical racks respectively.

2. The method according to claim 1 , wherein different home physical racks are allocated to different virtual machine groups.

3. The method according to claim 1 , further comprising acquiring allocation record information of the home physical racks, wherein the allocation record information comprises a correspondence between the virtual machine groups of the allocated home physical racks and the home physical racks; and wherein one home physical rack is allocated for each virtual machine group according to the allocation record information and the constraint information.

4. The method according to claim 1 , further comprising obtaining configuration information of each virtual machine group from the virtual machine creation request, wherein the configuration information comprises a number of virtual machines in the virtual machine group and a specification of each of the virtual machines in the virtual machine group, and wherein different virtual machines of each virtual machine group are created in different physical machines of the allocated home physical rack according to the configuration information of the virtual machine group.

5. The method according to claim 1 , further comprising providing an identifier of the virtual machine group to the distributed application for processing a service of a virtual machine belonging to the virtual machine group.

6. The method according to claim 5 , wherein the identifier identifies the home physical rack that is allocated to the virtual machine group.

7. An apparatus, comprising:

a memory for storing program routines; and

a processor, coupled to the memory and configured to execute the program routines, wherein the processor is configured to execute the program routines to:

receive a virtual machine creation request, wherein the virtual machine creation request instructs the apparatus to create a plurality of virtual machines for a distributed application;

divide the plurality of virtual machines as instructed by the virtual machine creation request into a plurality of virtual machine groups according to a rack awareness attribute of the distributed application, wherein each virtual machine group comprises at least one virtual machine;

allocate one home physical rack for each virtual machine group according to constraint information of the plurality of virtual machine groups, wherein the constraint information denotes an association relationship or a mutex relationship of the plurality of virtual machine groups; and

create the virtual machine groups on the allocated home physical racks respectively.

8. The apparatus according to claim 7 , wherein different home physical racks are allocated to different virtual machine groups.

9. The apparatus according to claim 7 , wherein the processor is further configured to execute the program routines to acquire allocation record information of the home physical racks, wherein the allocation record information comprises a correspondence between the virtual machine groups of the allocated home physical racks and the home physical racks, and wherein one home physical rack is allocated for each virtual machine group according to the allocation record information and the constraint information.

10. The apparatus according to claim 7 , wherein the processor is further configured to obtain configuration information of each virtual machine group from the virtual machine creation request, wherein the configuration information comprises a number of virtual machines in the virtual machine group and a specification of each of the virtual machines in the virtual machine group, and wherein different virtual machines of each virtual machine group are created in different physical machines of the allocated home physical rack according to the configuration information of the virtual machine group.

11. The apparatus according to claim 7 , wherein the processor is further configured to provide an identifier of the virtual machine group to the distributed application for processing a service of a virtual machine belonging to the virtual machine group.

12. The apparatus according to claim 11 , wherein the identifier identifies the home physical rack that is allocated to the virtual machine group.

13. A computer program product, comprising non-transitory computer readable medium storing program codes thereon for execution by a computing device, wherein the program codes comprise:

instructions for receiving a virtual machine creation request, wherein the virtual machine creation request instructs an apparatus to create a plurality of virtual machines for the distributed application;

instructions for dividing the plurality of virtual machines as instructed by the virtual machine creation request into a plurality of virtual machine groups according to a rack awareness attribute of the distributed application, wherein each virtual machine group comprises at least one virtual machine;

instructions for allocating one home physical rack for each virtual machine group according to constraint information of the plurality of virtual machine groups, wherein the constraint information denotes an association relationship or a mutex relationship of the plurality of virtual machine groups; and

instructions for creating the virtual machine groups on the allocated home physical racks respectively.

14. The computer program product according to claim 13 , wherein different home physical racks are allocated to different virtual machine groups.

15. The computer program product according to claim 13 , wherein the program codes further comprise instructions for acquiring allocation record information of the home physical racks, wherein the allocation record information comprises a correspondence between the virtual machine groups of the allocated home physical racks and the home physical racks, and wherein one home physical rack is allocated for each virtual machine group according to the allocation record information and the constraint information.

16. The computer program product according to claim 13 , wherein the program codes further comprise instructions for obtaining configuration information of each virtual machine group from the virtual machine creation request, wherein the configuration information comprises a number of virtual machines in the virtual machine group and a specification of each of the virtual machines in the virtual machine group, and wherein different virtual machines of each virtual machine group are created in different physical machines of the allocated home physical rack according to the configuration information of the virtual machine group.

17. The computer program product according to claim 13 , wherein the program codes further comprise instructions for providing an identifier of the virtual machine group to the distributed application for processing a service of a virtual machine belonging to the virtual machine group.

18. The computer program product according to claim 17 , wherein the identifier identifies the home physical rack that is allocated to the virtual machine group.