RESOURCE PROVISIONING METHOD

• US 20150334696A1
• Filed: 07/29/2015
• Published: 11/19/2015
• Est. Priority Date: 08/15/2013
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: GU, Jiongjiong, HUANG, Chaoyi
• Granted Patent: US 9,999,030 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G06F 16/245 Query processing
• CPC Class Codes: G06F 2009/4557 Distribution of virtual machine instances; Migration and load balancing
• CPC Class Codes: G06F 2009/45595 Network integration; Enabling network access in virtual machine instances
• CPC Class Codes: G06F 9/45558 Hypervisor-specific management and integration aspects
• CPC Class Codes: H04L 12/66 Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
• CPC Class Codes: H04L 41/0896 Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities flow or congestion control using dynamic resource allocation, e.g. in-call renegotiation, H04L47/76
• CPC Class Codes: H04L 41/0897 by horizontal or vertical scaling of resources, or by migrating entities, e.g. virtual resources or entities
• CPC Class Codes: H04L 41/5041 characterised by the time relationship between creation and deployment of a service
• CPC Class Codes: H04L 41/5054 Automatic deployment of services triggered by the service manager, e.g. service implementation by automatic configuration of network components
• CPC Class Codes: H04L 47/24 Traffic characterised by specific attributes, e.g. priority or QoS
• CPC Class Codes: H04L 61/5014 using dynamic host configuration protocol [DHCP] or bootstrap protocol [BOOTP]
• CPC Class Codes: H04L 67/10 in which an application is distributed across nodes in the network software deployment G06F8/60; multiprogramming arrangements G06F9/46
• CPC Class Codes: H04L 67/1095 Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
• CPC Class Codes: H04W 56/001 Synchronization between nodes
• CPC Class Codes: H04W 72/20 Control channels or signalling for resource management

Abstract

Embodiments of the present invention provides a resource provisioning method, including: receiving, by a first data center, a resource request message, where the first data center is any data center that receives the resource request message in the system; obtaining, by the first data center and by analyzing the resource request message, at least two destination data centers that provision resources; creating a virtual network; creating a virtual machine for the at least two destination data centers; and adding the virtual machine to the virtual network. By implementing the method, the resource utilization of a data center is improved, administration, maintenance, and operation are simplified, and an occurrence probability of network connection fault or traffic congestion is reduced.

Claims

1. A resource provisioning method, wherein the method is applied to a distributed data center system and the system includes at least two data centers, comprising:

receiving, by a first data center, a resource request message, wherein the first data center is any data center that receives the resource request message in the system, and the resource request message comprises a tenant identifier and a resource template identifier;

obtaining, by the first data center, resource template information according to the tenant identifier and the resource template identifier;

obtaining, by the first data center and by analyzing the resource template information, at least two destination data centers that provision resources;

creating, by the first data center, a virtual network;

creating a virtual machine for the at least two destination data centers; and

adding the virtual machine to the virtual network.

2. The resource provisioning method according to claim 1,

wherein the step of creating a virtual network comprising:

creating, by the first data center, the virtual network according to the tenant identifier and a network name in the resource template information; and

the method further comprising;

synchronizing, by the first data center, the information about the virtual network to another destination data center.

3. The resource provisioning method according to claim 2, wherein the step of creating a virtual network further comprising:

determining, by the first data center and by analyzing the resource template information, a destination data center for which a virtual subnet needs to be created;

creating, by the first data center, a virtual subnet according to the determined destination data center; and

synchronizing, by the first data center, the information about the virtual subnet to the determined destination data center.

4. The resource provisioning method according to claim 3, wherein, if the number of destination data centers for which a virtual subnet needs to be created is not less than two, the method further comprising:

sending, by the first data center, a request for creating a virtual subnet to a second data center for which a virtual subnet is to be created; and

determining, by the second data center, that a virtual subnet indicated in the request for creating a virtual subnet already exists, and creating a virtual service gateway (VSG) in the second data center.

5. The resource provisioning method according to claim 4, wherein the step of creating a VSG in the second data center comprising:

adding, by a VSG manager in the second data center, a gateway service and a Dynamic Host Configuration Protocol (DHCP) service to a software service gateway managed by the VSG manager.

6. The resource provisioning method according to claim 5, wherein the step of adding a gateway service and a DHCP service comprising:

if a VSG virtual machine that already has a gateway service capability is capable of providing a VSG service for a new virtual subnet, adding a network adapter to the existing VSG virtual machine, setting an IP address of the network adapter to a subnet gateway IP address after division and carried in the request for creating a virtual subnet, enabling the DHCP service, and configuring a DHCP IP address pool after division;

or

creating a new VSG virtual machine, adding two network adapters in the newly created VSG virtual machine, enabling the DHCP service, and configuring a DHCP IP address pool after division, wherein one network adapter is used to connect to an external network to obtain an IP address from the external network or the IP address of the network adapter is configured to a fixed IP address; and

, the other network adapter is used to connect to a virtual subnet, and an IP address of the network adapter is configured to a subnet gateway IP address after division, which is carried in the request for creating a virtual subnet.

7. The resource provisioning method according to claim 6, further comprising:

determining, by the second data center and according to a VSG virtual machine identifier, whether the VSG virtual machine has been added to the virtual subnet, and if the VSG virtual machine is not added to the virtual subnet, creating a port on the virtual subnet and binding the VSG virtual machine to the port.

8. The resource provisioning method according to claim 1, wherein the step of creating a virtual machine for the at least two destination data centers comprising:

instructing, by the first data center, another destination data center to create a virtual machine.

9. The resource provisioning method according to claim 1, wherein the step of adding the virtual machine to the virtual network comprising:

obtaining, by the first data center, information about the virtual subnet according to a subnet ID carried in a request for creating a port, creating a port for the virtual machine on the virtual subnet according to the information about the virtual subnet, and binding the virtual machine to the port.

10. The resource provisioning method according to claim 9, further comprising:

obtaining, by the first data center, information about the port added by the virtual machine to the virtual subnet; and

synchronizing, by the first data center, a mapping relationship between a virtual machine ID and a port ID to another destination data center when the virtual machine is successfully added to the virtual subnet.

11. The resource provisioning method according to claim 1, further comprising:

selecting, by the first data center, a storage resource, and creating, a storage volume meeting a QoS level of disk access and a storage size on the selected storage resource; and

attaching, by the first data center, the storage volume to a virtual machine corresponding to a virtual machine identifier, creating an association between the volume identifier and the virtual machine identifier, and generating an association identifier;

synchronizing, by the distributed databases, the virtual machine identifier, the volume identifier, and the association identifier to another destination data center.

12. The resource provisioning method according to claim 1, wherein, if the resource request message comprises a cross-data-center resource allocation policy, the method further comprising:

analyzing the at least two destination data centers according to the cross-data-center resource allocation policy, and obtaining a destination data center that complies with the cross-data-center resource allocation policy.

13. A distributed data center system, wherein the system comprises at least a first data center and at least a second data center;

the first data center is configured to receive a resource request message and obtain a resource parameter of the second data center according to the resource request message, wherein the resource parameter of the second data center comprises a virtual machine description parameter list and a network resource specification parameter;

the first data center is configured to create a virtual network according to the resource request message, and the first data center is further configured to send a create request message to the second data center, wherein the create request message carries the network resource specification parameter and the virtual machine description parameter list; and

the second data center is configured to create a virtual subnet for the virtual network according to the network resource specification parameter; and

is further configured to create a virtual machine according to the virtual machine description parameter list, and add the virtual machine to the virtual subnet.

14. The system according to claim 13, wherein the resource request message carries a tenant identifier and a resource template identifier;

the first data center is further configured to obtain a resource parameter corresponding to the resource template identifier, and to obtain a set of data center lists corresponding to the tenant identifier; and

wherein that the first data center is configured to obtain the resource parameter of the second data center according to the resource request message is specifically that;

the first data center is configured to select a destination data center list according to the set of data center lists and the resource parameter corresponding to the resource template identifier, and obtain a resource parameter of each destination data center in the destination data center list, wherein the destination data center list comprises the second data center, and the resource parameters of the destination data centers in the destination data center list comprise the resource parameter of the second data center.

15. The system according to claim 13, wherein that the first data center is configured to send a create request message to the second data center comprises that:

the first data center is configured to send a request for creating a virtual subnet to the second data center, wherein the request for creating a virtual subnet carries the network resource specification parameter of the second data cente; and

send a request for creating a virtual machine to the second data center, wherein the request for creating a virtual machine carries the virtual machine description parameter list of the second data center.

16. The system according to claim 13, wherein if the first data center is further configured to perform IP address pool division and subnet gateway IP address setting according to a data center identifier list of the virtual subnet and a cross-data-center subnet division mode, the network resource specification parameter of the second data center comprises a subnet gateway IP address after setting and an IP address pool after division;

and

wherein that the second data center is configured to create a virtual subnet for the virtual network according to the network resource specification parameter is specifically that;

the second data center is configured to create a virtual service gateway in the second data center according to the subnet gateway IP address after setting and the IP address pool after division.

17. The system according to claim 16, wherein the second data center is configured to create a virtual service gateway in the second data center is specifically that:

a VSG manager in the second data center is configured to add, according to the subnet gateway IP address after setting and the IP address pool after division, a gateway service and a DHCP service to a software service gateway managed by the VSG manager.

18. The system according to claim 17, wherein that the VSG manager is configured to add, according to the subnet gateway IP address after setting and the IP address pool after division, a gateway service and a DHCP service to a software service gateway managed by the VSG manager is specifically that:

if a VSG virtual machine that already has a gateway service capability is capable of providing a VSG service for the virtual subnet, a network adapter is added to the VSG virtual machine, an IP address of the network adapter is set to the subnet gateway IP address after setting, the DHCP service is enabled, and the IP address pool after division is configured;

or

create a VSG virtual machine, add a network adapter to the VSG virtual machine, enable the DHCP service, and configure the IP address pool after division, wherein the network adapter is used to connect to the virtual subnet, and an IP address of the network adapter is configured to the subnet gateway IP address after setting.

19. The system according to claim 13, the first data center is further configured to select a storage resource, create a storage volume meeting a QoS level of disk access and a storage size on the selected storage resource;

attach the storage volume to a virtual machine corresponding to a virtual machine identifier, creating an association between the volume identifier and the virtual machine identifier, and generating an association identifier; and

synchronize the virtual machine identifier, the volume identifier, and the association identifier to another destination data center.

20. The system according to claim 13, wherein that the second data center is configured to add the virtual machine to the virtual network is specifically that:

the second data center is configured to obtain information about the virtual subnet according to a subnet ID carried in a request for creating a port, creating a port for the virtual machine on the virtual subnet according to the information about the virtual subnet, and binding the virtual machine to the port.