WO2017000589A1

WO2017000589A1 - Flexible capacity expansion method, apparatus and system

Info

Publication number: WO2017000589A1
Application number: PCT/CN2016/076500
Authority: WO
Inventors: 蔡义祥
Original assignee: 中兴通讯股份有限公司
Priority date: 2015-06-29
Filing date: 2016-03-16
Publication date: 2017-01-05
Also published as: CN106302626A

Abstract

A flexible capacity expansion method, comprising: a service end receiving a request, which is sent by a cloud computing platform, for adding a virtual machine, and the service end adding the virtual machine according to the request for adding the virtual machine, and notifying a client on the newly added virtual machine to synchronize data. The method enables a cloud computing platform, while adding a virtual machine, to synchronize data which has been generated previously by other software or applications on the platform to the newly added virtual machine.

Description

Elastic expansion method, device and system

Technical field

This document relates to, but is not limited to, the field of cloud computing technology, and relates to an elastic expansion method, device and system.

Background technique

Since the concept of cloud computing was put forward, it has received extensive attention and has broad prospects for development. The core idea of cloud computing is to uniformly manage and schedule a large number of computing resources connected by networks to form a computing resource pool to provide on-demand services to users. The network that provides the resources is called the "cloud." The resources in the "cloud" can be expanded infinitely by users, and can be obtained at any time, used as needed, expanded at any time, and paid for by usage.

OpenStack is a cloud computing platform, an open source project designed to provide software for the construction and management of public and private clouds, enabling service providers and enterprise-wide implementation of cloud infrastructure services. When the OpenStack platform needs to add a cloud host (that is, it needs to be expanded), the related technology generally directly calls the elastic extension interface of OpenStack, and installs the data storage software and related applications in the cloud host according to the original template, but cannot add new ones. The virtual machine performs data synchronization. If you need to use the software or the data that the application has generated before running or calling the application, it will cause an error. This is basically the case when the cloud computing platform similar to OpenStack is expanding.

Summary of the invention

The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.

The embodiment of the invention provides a method, a device and a system for elastic expansion, which can solve the problem that data synchronization cannot be performed when expanding in the related art, thereby realizing data synchronization of the virtual machine.

The embodiment of the present invention provides an elastic expansion method, including: the server receives an increase virtual machine request sent by the cloud computing platform; the server adds a virtual machine according to the request of adding a virtual machine; and the server notifies the client on the virtual machine to perform data. Synchronize.

Optionally, before the server notifies the client on the virtual machine to perform data synchronization, the method further includes: the server determining the added operating system type of the virtual machine; the server is on the virtual machine according to the operating system type. Install the client that corresponds to the operating system type.

Optionally, the server determines the operating system type of the added virtual machine, and includes: sending a ping command to the added virtual machine; determining, according to the ping command return message sent by the virtual machine, an operating system type of the virtual machine, where the ping The command return message contains the IP address information of the virtual machine.

Optionally, the server adds the virtual machine according to the request for adding the virtual machine, and includes: calling the elastic expansion interface of the cloud computing platform according to the request for adding the virtual machine; and adding the virtual machine by using the elastic expansion interface.

Optionally, after the server sends the virtual computing interface of the cloud computing platform and adds the virtual machine through the elastic expansion interface, the method further includes: the server monitoring the working state of the virtual machine; working in the virtual machine When the status is abnormal, an alarm is issued or the cloud computing platform is notified to add a virtual machine.

The embodiment of the present invention further provides an elastic expansion device, which is disposed on the server, and includes: a receiving module, configured to receive an increase virtual machine request sent by the cloud computing platform; and an expansion module configured to add a virtual machine according to the request for adding a virtual machine; A synchronization module, configured to notify the client on the virtual machine to synchronize data.

Optionally, the device further includes: a determining module, configured to determine an increased operating system type of the virtual machine; and an installation module configured to install a client corresponding to the operating system type on the virtual machine according to the operating system type.

Optionally, the determining module includes: a sending unit, configured to send a ping command to the added virtual machine; and an analyzing unit, configured to determine, according to a ping command return message sent by the virtual machine, an operating system type of the virtual machine, where The ping command returns the IP address information of the virtual machine.

Optionally, the expansion module includes: an invoking unit, configured to invoke an elastic expansion interface of the cloud computing platform according to the request for adding a virtual machine; and an expansion unit configured to add a virtual machine through the elastic expansion interface.

Optionally, the device further includes: a monitoring module, configured to: monitor a working state of the virtual machine; and send an alarm or notify the cloud computing platform to add a virtual machine when the working state of the virtual machine is abnormal.

The embodiment of the invention further provides an elastic expansion system, comprising:

The server is configured to receive an increased virtual machine request sent by the cloud computing platform, add a virtual machine according to the request of adding a virtual machine, and notify the client on the virtual machine to perform data synchronization;

The client is set to synchronize data according to the notification of the server.

In addition, an embodiment of the present invention further provides a computer readable storage medium, where the computer readable storage medium stores computer executable instructions, and the elastic executable method is implemented when the computer executable instructions are executed.

In the foregoing technical solution, the server receives the request for adding a virtual machine sent by the cloud computing platform, and the server adds the virtual machine according to the request for adding the virtual machine, and notifies the client on the newly added virtual machine to perform data synchronization. In this way, the cloud computing platform can synchronize the data generated by other software or applications on the platform to the newly added virtual machine while adding the virtual machine.

Other aspects will be apparent upon reading and understanding the drawings and detailed description.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the present application, and are intended to be a part of this application. In the drawing:

1 is a flow chart 1 of an elastic expansion method according to an embodiment of the present invention;

2 is a second flowchart of an elastic expansion method according to an embodiment of the present invention;

3 is a structural block diagram 1 of an elastic expansion device according to an embodiment of the present invention;

4 is a structural block diagram 2 of an elastic expansion device according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of deployment of an elastic expansion system according to an embodiment of the invention.

detailed description

The technical solutions of the embodiments of the present invention will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

An embodiment of the present invention provides a method for elastic expansion. FIG. 1 is a flowchart of an elastic expansion method according to an embodiment of the present invention. As shown in FIG. 1, the method includes the following steps:

Step S102: The server receives an add virtual machine request sent by the cloud computing platform.

Step S104, the server adds a virtual machine according to the request for adding a virtual machine.

In step S106, the server notifies the client on the newly added virtual machine to perform data synchronization.

The above-mentioned client can be installed on the newly added virtual machine in various manners, for example, it can be installed by the above server control, or can be manually installed. The server can be deployed on other servers, and one server can manage multiple clients.

In addition, the content and address information included in the data synchronization can be configured on the server. After the client is installed on the virtual machine, the server can notify the client to synchronize the data, and can transmit the configuration data to the client. .

In the embodiment of the present invention, the server receives the request for adding a virtual machine sent by the cloud computing platform, and the server adds the virtual machine according to the request for adding the virtual machine, and notifies the client on the newly added virtual machine to perform data synchronization. In this way, the cloud computing platform can synchronize the data generated by other software or applications on the platform to the newly added virtual machine while adding the virtual machine.

In an embodiment of the present invention, FIG. 2 is a flowchart of an elastic expansion method according to an embodiment of the present invention. As shown in FIG. 2, before the server notifies a client on a newly added virtual machine to perform data synchronization, The server first determines the operating system type of the newly added virtual machine, such as the Linux operating system or the Windows operating system, and then installs the corresponding client according to different types of operating systems. The client can also be installed in other ways before the server determines the operating system type, for example, it can be manually installed. That is, the order of steps S206 and S208 in FIG. 2 can be interchanged. This embodiment uses the OpenStack cloud computing platform as an example. The optional elastic expansion process includes the following processes:

Step S202: The OpenStack platform alarm needs to add a virtual machine, and invokes a server interface, that is, notifies the server to request to add a virtual machine;

Step S204: After receiving the foregoing request, the server invokes the elastic expansion interface of the OpenStack platform, and adds the virtual machine through the elastic expansion interface.

Step S206, if the newly added virtual machine does not install the client by other means, then The server needs to first determine the operating system type of the newly added virtual machine;

The method of determining is as follows: sending a ping command to the newly added virtual machine, and the newly added virtual machine returns a response message according to the ping command, wherein the response message includes the network protocol of the newly added virtual machine (IP) , Internet Protocol) address information, the server can determine the operating system type based on the above IP address information.

Step S208, the server downloads the corresponding client version on the newly added virtual machine according to different types of operating systems, and installs and starts, wherein the client installation file is located in the specified directory of the server;

Step S210, the server notifies the installed client to perform data synchronization, and the client copies the relevant data according to the notification of the server, transmits the data to the newly added virtual machine, and initializes, wherein the data may be pre-configured by the server;

In step S212, the client reports the result of the data synchronization to the server.

In one embodiment of the present invention, as shown in FIG. 2, the manner of client data synchronization is also different for different operating system types. If the operating system of the virtual machine is a Linux system, the client needs to transmit the data to be synchronized through ssh signaling; if the operating system of the virtual machine is a Windows system, the client needs to transmit the data to be synchronized through tenant signaling.

In an embodiment of the present invention, the server can manage and monitor multiple clients and virtual machines, and the server pre-stores configuration information that needs to be synchronized. When the virtual machine works abnormally, the server can issue an alarm or notify the OpenStack platform to add a virtual machine.

The embodiment of the present invention further provides an elastic expansion device, which is disposed at the server end. FIG. 3 is a structural block diagram of an elastic expansion device according to an embodiment of the present invention. As shown in FIG. 3, the device includes:

The receiving module 302 is configured to receive an add virtual machine request sent by the cloud computing platform;

The expansion module 304 is configured to add a virtual machine according to the increased virtual machine request;

The data synchronization module 306 is configured to notify the client on the virtual machine to perform data synchronization.

Through the embodiment of the present invention, the receiving module 302 receives the request for adding a virtual machine sent by the cloud computing platform, and the expansion module 304 adds the virtual machine according to the request of the added virtual machine, and the data synchronization module 306 notifies the client on the virtual machine to perform data synchronization. In this way, the cloud computing platform can synchronize the data generated by other software or applications on the platform to the newly added virtual machine while adding the virtual machine.

4 is a structural block diagram of an elastic expansion device according to another embodiment of the present invention. In the embodiment of the present invention, as shown in FIG. 4, the elastic expansion device includes a receiving module 402, a expansion module 404, and a data synchronization module 406. The module 408 is determined and the module 410 is installed.

The receiving module 402 is configured to receive an increased virtual machine request sent by the cloud computing platform; the expansion module 404 is configured to add a virtual machine according to the increased virtual machine request; and the data synchronization module 406 is configured to notify the client on the virtual machine. The data is synchronized by the end; the determining module 408 is configured to: determine the operating system type of the newly added virtual machine, such as the Linux operating system or the Windows operating system; and the installing module 410 is configured to: install and operate the operating system type on the virtual machine according to the foregoing judgment result. Corresponding client.

The determining module 408 includes a sending unit 4002 and an analyzing unit 4004. The sending unit 4002 sends a ping command to the newly added virtual machine, and the virtual machine returns a response message according to the ping command, and the analyzing unit 4004 determines, according to the returned response message, the operating system type of the newly added virtual machine, wherein the returned response The message contains the IP address information of the above virtual machine.

In an embodiment of the present invention, as shown in FIG. 4, the expansion module 404 includes a calling unit 4006 and a expansion unit 4008. When the OpenStack platform sends a virtual machine request to the receiving module 402, the elastic expansion device can function as a relay. The calling unit 4006 of the expansion module 404 of the device will invoke the elastic expansion interface of the OpenStack platform to expand the capacity. Unit 4008 can add virtual machines through the elastic expansion interface.

In an embodiment of the present invention, as shown in FIG. 4, the elastic expansion device further includes a monitoring module 412, which is configured to monitor the working state of the client and the virtual machine installed on the virtual machine, and the working state of the virtual machine is abnormal. When an alarm is issued or the OpenStack platform is notified to add a virtual machine.

The embodiment of the present invention further provides an elastic expansion system. FIG. 5 is a schematic diagram of deployment of an elastic expansion system according to an embodiment of the present invention. As shown in FIG. 5, the elastic expansion system includes a server and a client (such as a client 1 to n), the client is deployed on the virtual machine of the cloud computing platform (such as virtual machine 1 ~ n), the server is deployed on other servers, and one server can manage and monitor multiple clients and virtual machines. After receiving the request for adding a virtual machine sent by the cloud computing platform, the server performs an operation of adding a virtual machine, and notifies the client on the newly added virtual machine to perform data synchronization. The above-mentioned client can be installed on the newly added virtual machine in various manners, for example, it can be installed by the above server control, or can be manually installed. After receiving the notification from the server, the client can perform data synchronization.

According to the embodiment of the present invention, the server receives the request for adding a virtual machine sent by the cloud computing platform, and the server adds the virtual machine according to the request for adding the virtual machine, and notifies the client on the newly added virtual machine to perform data synchronization, and the client is configured according to the server. The notification performs a data synchronization operation. In this way, the cloud computing platform can synchronize the data generated by other software or applications on the platform to the newly added virtual machine while adding the virtual machine.

Obviously, those skilled in the art should understand that the above modules or steps of the present application can be implemented by a general computing device, which can be concentrated on a single computing device or distributed in a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein. The steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module. Thus, the application is not limited to any particular combination of hardware and software.

The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Various modifications and variations are possible in the application of this invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of this application are intended to be included within the scope of the present application.

One of ordinary skill in the art will appreciate that all or a portion of the above steps may be performed by a program to instruct related hardware, such as a processor, which may be stored in a computer readable storage medium, such as a read only memory, disk or optical disk. Wait. Alternatively, all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module/unit in the above embodiment may be implemented in the form of hardware, for example, by implementing an integrated circuit to implement its corresponding function, or may be implemented in the form of a software function module, for example, executing a program stored in the memory by a processor. / instruction to achieve its corresponding function. The invention is not limited to any specific form of combination of hardware and software. It should be understood by those skilled in the art that the present invention may be modified or equivalently substituted without departing from the spirit and scope of the invention.

Industrial applicability

The embodiment of the invention provides an elastic expansion method, device and system, so that the cloud computing platform can synchronize the data generated by other software or applications on the platform to the newly added virtual machine while adding the virtual machine.

Claims

An elastic expansion method includes:

The server receives the increased virtual machine request sent by the cloud computing platform;

The server adds a virtual machine according to the request for adding a virtual machine;

The server notifies the client on the virtual machine to perform data synchronization.
The method of claim 1, before the server notifies the client on the virtual machine to perform data synchronization, the method further includes:

The server determines the added operating system type of the virtual machine;

The server installs a client corresponding to the operating system type on the virtual machine according to the operating system type.
The method of claim 2, wherein the server determines the increased operating system type of the virtual machine, including:

Sending a ping command to the added virtual machine;

And determining, according to the ping command return message sent by the virtual machine, an operating system type of the virtual machine, where the ping command return message includes network protocol IP address information of the virtual machine.
The method according to any one of claims 1 to 3, wherein the server adds a virtual machine according to the request for adding a virtual machine, including:

Invoking an elastic expansion interface of the cloud computing platform according to the request for adding a virtual machine;

The virtual machine is added through the elastic expansion interface.
The method of claim 4, after the server invokes the cloud computing platform elastic scaling interface according to the adding virtual machine request and adds a virtual machine through the elastic expansion interface, the method further includes:

The server monitors an operating state of the virtual machine;

When the working state of the virtual machine is abnormal, an alarm is issued or the cloud computing platform is notified to add a virtual machine.
An elastic expansion device is disposed at the server end, and includes:

a receiving module, configured to receive an increased virtual machine request sent by the cloud computing platform;

The expansion module is configured to add a virtual machine according to the request for adding a virtual machine;

A data synchronization module is configured to notify a client on the virtual machine to perform data synchronization.
The apparatus of claim 6 further comprising:

a determining module, configured to determine an increased operating system type of the virtual machine;

The installation module is configured to install a client corresponding to the operating system type on the virtual machine according to the operating system type.
The device of claim 7, wherein the determining module comprises:

a sending unit, configured to send a ping command to the added virtual machine;

The analyzing unit is configured to determine, according to the ping command return message sent by the virtual machine, an operating system type of the virtual machine, where the ping command return message includes network protocol IP address information of the virtual machine.
The device according to any one of claims 6 to 8, wherein the expansion module comprises:

a calling unit, configured to invoke an elastic expansion interface of the cloud computing platform according to the request for adding a virtual machine;

The expansion unit is configured to add a virtual machine through the elastic expansion interface.
The apparatus of claim 9 further comprising:

The monitoring module is configured to: monitor an operating state of the virtual machine; and send an alarm or notify the cloud computing platform to add a virtual machine when the working state of the virtual machine is abnormal.
An elastic expansion system comprising:

The server is configured to receive an increased virtual machine request sent by the cloud computing platform, add a virtual machine according to the request for adding the virtual machine, and notify the client on the virtual machine to perform data synchronization;

The client is set to perform data synchronization according to the notification of the server.
A computer readable storage medium having stored therein computer executable instructions that, when executed, implement the method of any one of claims 1 to 5.