CN103458055A - Clout competing platform - Google Patents

Abstract

The present application discloses a cloud computing platform, including: a client, used to obtain user service requests; at least one node controller, each node controller corresponding to a node running at least one virtual machine instance, wherein: the node controller includes Network service module, the network service module is used to manage the virtual network corresponding to the virtual machine instance corresponding to the node controller to which it belongs; the cloud controller connected to the client and the node controller respectively is used to receive the user service sent by the client According to the user service request, the virtual machine instance corresponding to the corresponding node controller is invoked to provide services. In the embodiment of the present application, by setting the network service module in the node controller, when a network service module fails, the virtual machine instances on other node controllers can still be called by the cloud controller and provide user services, avoiding the existing technology The single point of failure of the cluster controller in the middle of the cluster improves the user experience.

Description

A cloud computing platform

technical field

The present application relates to the technical field of cloud computing, in particular to a cloud computing platform.

Background technique

With the development and popularization of cloud computing technology, infrastructure service IAAS products are more and more widely used. At present, the mainstream IAAS platform mainly manages the computing, storage, network and other resources of physical servers in a unified manner through virtualization technology, and realizes the automatic deployment of infrastructure resources, that is, after receiving user service requests, automatically deploys single or multiple servers. resources such as virtual servers or virtual disks. During the operation of the platform, it is necessary to monitor the availability, non-interruption, stability, authority management, and system operation status of system services.

In order to realize the various functions mentioned above, the current cloud computing platform is realized by the architecture shown in Figure 1, where:

The client is used to connect to the user and transmit the user's service request to the cloud controller.

The cloud controller is equivalent to the central nervous system of the system, which is the entry point for user service requests and the component that makes global decisions.

The storage controller provides persistent data object storage services, mainly used to store image template files and user data.

The cluster controller is responsible for managing the entire virtual instance network, usually running on the head node or server of the cluster, and can access private and public networks. A cluster controller can manage multiple node controllers. The cluster controller is responsible for collecting the status information of the nodes from the node controllers to which it belongs, dispatching incoming virtual machine instance execution requests to each node controller according to the resource status information of these nodes, and managing the configuration of public and private instance networks.

Node controllers are responsible for managing individual physical servers. A node controller can manage multiple virtual machine instances running on the node.

Block storage controllers are used to store and access virtual machine images, kernel images, RAM disk images, and user data.

It can be seen from the above scheme that the cluster controller in the existing cloud computing platform manages the network of the virtual machine instances in the cluster. Therefore, if the cluster controller fails, all the virtual machine instances in the cluster cannot be accessed by users. Single point of failure affects user experience.

Contents of the invention

The technical problem to be solved in this application is to provide a cloud computing platform to solve the problem that when the cluster controller of the cloud computing platform in the prior art fails, all virtual machine instances in the cluster cannot be accessed by users, which affects user experience technical issues.

The application provides a cloud computing platform, characterized in that, comprising:

The client is used to obtain user service requests;

At least one node controller, at least one virtual machine instance running on each corresponding node of the node controller, wherein:

The node controller includes a network service module, and the network service module is used to manage the virtual network corresponding to the virtual machine instance corresponding to the node controller to which it belongs;

A cloud controller respectively connected to the client and the node controller is configured to receive a user service request sent by the client, and invoke a virtual machine instance corresponding to the corresponding node controller to provide services according to the user service request .

The above-mentioned cloud computing platform, preferably:

The network service module is specifically configured to receive and/or forward network communication data of each virtual machine instance corresponding to the node controller to which it belongs.

Above-mentioned cloud computing platform, preferably, described cloud controller comprises:

A flow management module, configured to receive a user service request sent by the client, and determine a target processing flow corresponding to the user service request in a preset request processing flow;

A process triggering module, configured to trigger the execution of the target processing process to provide the service corresponding to the user service request.

Above-mentioned cloud computing platform, preferably, described cloud controller also comprises:

The billing module is used to obtain the user's service resource usage data after the process trigger module provides the service, and obtain the service that the user needs to pay according to the service resource usage data and the preset rate data of each resource item tariff data.

Above-mentioned cloud computing platform, preferably, described cloud controller also comprises:

The monitoring module is used to obtain the operation data of each module in the cloud controller through the heartbeat data.

The above-mentioned cloud computing platform, preferably, the node controller also includes:

The migration module is configured to receive a migration instruction, and migrate online the virtual machine instance corresponding to the node controller where it resides to the target node controller corresponding to the migration instruction.

The above-mentioned cloud computing platform, preferably, also includes:

A storage controller connected to the cloud controller, configured to construct a redundant extended distributed object storage cluster using a hash hash algorithm, the object storage cluster includes at least one storage node, each of the storage nodes Redundant storage of image template files and user data.

For the above cloud computing platform, preferably, the node controller further includes a computing service module.

It can be seen from the above scheme that a cloud computing platform provided by the present application is configured to obtain the client, node controller and cloud controller requested by the user, thereby setting a network service module in the node controller to manage the control of the node to which it belongs. The virtual network corresponding to the virtual machine instance on the node corresponding to the server enables the cloud controller to call the virtual machine instance corresponding to the corresponding node controller to provide services according to the user service request. This application sets the network service module in the node controller, so that when a network service module fails, only the virtual machine instance corresponding to the node controller cannot be accessed, and the virtual machine instances on other node controllers The instance can still be invoked by the cloud controller and provided to the user service, which avoids the single point of failure problem of the cluster controller in the prior art and improves user experience.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is the structural representation of existing cloud computing platform;

FIG. 2 is a schematic structural diagram of Embodiment 1 of a cloud computing platform provided by the present application;

FIG. 3 is a partial structural schematic diagram of Embodiment 2 of a cloud computing platform provided by the present application;

FIG. 4 is a partial structural schematic diagram of Embodiment 3 of a cloud computing platform provided by the present application;

FIG. 5 is a partial structural schematic diagram of Embodiment 4 of a cloud computing platform provided by the present application;

FIG. 6 is a partial structural schematic diagram of Embodiment 5 of a cloud computing platform provided by the present application;

FIG. 7 is a schematic structural diagram of Embodiment 6 of a cloud computing platform provided by the present application;

Fig. 8 is another structural schematic diagram of Embodiment 6 of the present application;

FIG. 9 is a partial structural diagram of Embodiment 7 of a cloud computing platform provided by the present application.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

Referring to FIG. 2 , it is a schematic structural diagram of Embodiment 1 of a cloud computing platform provided by the present application, and the cloud computing platform includes:

The client 201 is configured to obtain user service requests.

Wherein, the user service request may include information such as the service identifier of the service item required by the user and the quantity of the service item.

It can be understood that: the client is used to connect to the user, and transmit the service request of the user to the cloud controller. The client can be displayed to the user in the form of a web interface, or it can be provided to the user in the form of a command line.

At least one node controller 202, each node controller 202 has at least one virtual machine instance running on a corresponding node, wherein:

The node controller 202 includes a network service module 221 for managing the virtual network corresponding to the virtual machine instance corresponding to the node controller 202 to which the network service module belongs.

Wherein, the virtual network refers to a virtual network for data transmission between its corresponding virtual machine instance and the outside. Specifically, the network service module 221 is specifically used to receive and/or forward each virtual machine instance on the node controller 202 to which it belongs. Network communication data to and from external controllers or instances.

In addition, besides the network service module 221 mentioned above, the node controller 202 may also include a computing service module, which cooperates with the network service module 221 to implement a virtual network for its corresponding virtual machine instance. to manage.

It should be noted that, besides the network service module 221, the node controller 202 also includes a module responsible for managing a single physical server. This module runs on the physical server where the virtual machine instance is hosted, and is responsible for starting, checking, restarting, and shutting down the virtual machine instance. The embodiment of the present application includes multiple node controllers, and only one node controller component runs on a single server, and one node controller can manage multiple virtual machine instances running on the node.

The cloud controller 203 connected to the client 201 and the node controller 202 respectively is configured to receive the user service request sent by the client 201, and call the corresponding node controller 202 according to the user service request. Virtual machine instances provide services.

Specifically, when the cloud controller 203 invokes the virtual machine instance corresponding to the corresponding node controller 202 to provide services according to the user service request, it may be implemented in the following manner:

Obtain at least one service item in the user service request, determine the virtual machine instance corresponding to each of the service items and the node controller 202 where it is located, and then call the determined node controller 202 and obtain The virtual machine instance corresponding to the obtained service item provides the corresponding service, so as to achieve the purpose of the user accessing the virtual machine instance to obtain the service.

It can be seen from the above scheme that the first embodiment of a cloud computing platform provided by the present application is to set the client, node controller and cloud controller to obtain user requests, thereby setting a network service module in the node controller for managing The node controller corresponds to the virtual network corresponding to the virtual machine instance on the node, so that the cloud controller can call the virtual machine instance corresponding to the corresponding node controller to provide services according to the user service request. In the embodiment of the present application, the network service module is set in the node controller, so that when a network service module fails, only the virtual machine instance corresponding to the node controller cannot be accessed, and the virtual machine instance on the other node controllers The virtual machine instance can still be invoked by the cloud controller and provide user services, which avoids the single point failure problem of the cluster controller in the prior art and improves user experience.

In the prior art, after the user initiates a request and passes the authentication, the cloud computing platform directly responds to the service according to the user request information, and the administrator cannot interfere. Therefore, referring to FIG. 3 , it is a schematic structural diagram of the cloud controller 203 in Embodiment 2 of a cloud computing platform provided by the present application, wherein the cloud controller 203 may include:

The flow management module 231 is configured to receive the user service request sent by the client, and determine the target processing flow corresponding to the user service request in the preset request processing flow.

Wherein, the process management module 231 provides a function of customizing the process of processing user requests. In the embodiment of the present application, the administrator is allowed to pre-define the processing flow of all service requests, and then determine the target processing flow corresponding to the request after receiving the user service request.

The process triggering module 232 is configured to trigger the execution of the target processing process to provide the service corresponding to the user service request.

Wherein, after the process management module 231 determines the target processing process, the process triggering module 232 can be implemented in the following manner:

Each step in the target processing flow is assigned a specific role to operate, and each step in the target processing flow is triggered to be executed. In the process step, the virtual machine instance corresponding to the corresponding node controller is called to provide services. After all the steps are completed, the response processing to the current user service request is completed.

Referring to FIG. 4 , it is a schematic structural diagram of the cloud controller 203 in Embodiment 3 of a cloud computing platform provided by the present application. The cloud controller 203 may also include:

The billing module 233 is configured to obtain the user's service resource usage data after the process trigger module 232 provides the service, and obtain the user's required payment according to the service resource usage data and the preset rate data of each resource item service tariff data.

Wherein, the service resource usage data is the service resource item used by the user after accessing the virtual machine instance. The resource item can be understood as the service item mentioned above, and each resource item and its rate information can be obtained by Administrators make dynamic additions or adjustments. The billing module 233 can be implemented in the following ways:

Obtain the service resource usage data of the user, determine the target resource item in the service resource usage data, obtain the rate data of each target resource item according to the preset rate data of each resource item, and then obtain the rate data of each target resource item according to each resource item The service fee data that the user needs to pay is calculated according to the target resource item and its rate data, so as to realize the charging of the resources used by the user.

Referring to FIG. 5 , it is a schematic structural diagram of the cloud controller 203 in Embodiment 4 of a cloud computing platform provided by the present application. The cloud controller 203 may also include:

The monitoring module 234 is used to obtain the operation data of each module in the cloud controller through the heartbeat data.

Wherein, the monitoring module 234 monitors the working status of all modules included in the cloud controller 203 through heartbeat during actual operation, and collects operation information of each module in real time.

Thus, through the monitoring module 234 in the embodiment of the present application, the user can view the status of all resources, including the running status of the virtual machine instance, the usage of internal processors, memory, and disk resources of the virtual machine instance, etc. The administrator can check the monitoring module 234 to grasp the operating status of the platform system in real time, and can also check the resource usage of each tenant or user.

Wherein, in the embodiment of the present application, the system failure alarm scene and the alarm module connected to the monitoring module 234 can also be preset, so that when a predefined alarm scene occurs in the system, the alarm module to respond. The monitoring module 234 can also provide various types of alarm information, and the alarm module responds to the alarm with the alarm information provided by the monitoring module 234 .

In practical applications, the shared storage function can be used between each node controller 202. When the node controller 202 needs to suspend the service for upgrade or maintenance and does not want to stop the service of the virtual machine instance hosted on the node, it can use the online The migration function migrates the virtual machine instance to other nodes without stopping the service. Therefore, referring to FIG. 6 , it is a schematic structural diagram of the node controller 202 described in Embodiment 5 of a cloud computing platform provided by the present application. , the node controller 202 may also include:

The migration module 222 is configured to receive a migration instruction, and migrate online the virtual machine instance corresponding to the node controller 202 where it resides to the target node controller corresponding to the migration instruction.

Wherein, the migration instruction includes identification information of the target node controller that the virtual machine instance to be migrated needs to transfer, and the identification information may be represented by its address information.

In addition, referring to FIG. 7 , it is a schematic structural diagram of Embodiment 6 of a cloud computing platform provided by the present application, and the cloud computing platform may further include:

The storage controller 204 connected to the cloud controller 203 is configured to construct a redundant extended distributed object storage cluster using a hash algorithm, and the object storage cluster includes at least one storage node, and each of the Storage nodes redundantly store image template files and user data.

Wherein, the user data includes the object file stored in the storage node where it is located, and may also include the metadata of each object file, wherein the metadata is stored in a completely uniform random distribution, and the same as the object file storage, the metadata will also Store multiple copies for redundant and scalable storage.

Wherein, each node in the cluster has a completely symmetrical structure, and only a simple new machine is needed for capacity expansion, and the embodiment of the present application can complete the data migration work, so that each storage node can reach a balanced state again. In the entire storage cluster, no role (node) is a single-point structure, and no single-point service is guaranteed to be effective in terms of architecture and design.

Wherein, as shown in FIG. 8, the cloud computing platform described in Embodiment 6 of the present application may also include:

The block storage controller 205 is used for storing and accessing virtual machine images, kernel images, RAM disk images and user data. Among other things, virtual machine images can be public or private, and are initially stored in a compressed and encrypted format. These images are only decrypted when a node needs to start a new instance and requests access to this image.

In addition, referring to FIG. 9 , it is a schematic structural diagram of the cloud controller 203 in Embodiment 7 of a cloud computing platform provided by the present application. The cloud controller 203 may also include the following basic modules:

External interface module 235, message management module 236, authentication service module 237, task scheduling module 238, image management module 239, etc.

Among them, each of the above-mentioned modules is used to realize user service request, verification, and maintenance system, image template and SSH key pair operation, and realize the management of the running state of the virtual machine instance.

It should be noted that, each module in the cloud controller 203 is the same as the modules in each controller above (such as the computing service module, the network service module, and the storage service module in the storage controller, the block storage controller in the Block storage management modules, etc.) do not share any information, and communicate through message passing. Different modules in the cloud controller 203 can run independently on different servers, or can run on the same server, but the failure of a service module does not affect the normal work of other services.

It should be noted that each embodiment in this specification is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. For the same and similar parts in each embodiment, refer to each other, that is, Can.

Finally, it should also be noted that in this text, relational terms such as first and second etc. are only used to distinguish one entity or operation from another, and do not necessarily require or imply that these entities or operations, any such actual relationship or order exists. Moreover, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that an article or device comprising a set of elements includes not only those elements but also other elements not expressly listed, Or also include elements inherent in such an article or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the article or device comprising said element.

A kind of cloud computing platform provided by this application has been introduced in detail above. In this paper, specific examples have been used to illustrate the principle and implementation of this application. The description of the above embodiments is only used to help understand the core idea of this application; At the same time, for those skilled in the art, based on the idea of this application, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be construed as limiting the application.

Claims (8)

1. a cloud computing platform, is characterized in that, comprising:

Client, for obtaining user's service request;

At least one Node Controller, on each described Node Controller corresponding node, operation has at least one virtual machine instance, wherein:

Described Node Controller comprises network service module, and described network service module is for managing its affiliated corresponding virtual network of virtual machine instance corresponding to Node Controller;

The cloud controller be connected with described client and described Node Controller respectively, the user's service request sent for receiving described client, call according to described user's service request the virtual machine instance that the corresponding node controller is corresponding service be provided.

2. cloud computing platform according to claim 1 is characterized in that:

Described network service module, specifically for receiving and/or forward the network communication data of each virtual machine instance that Node Controller is corresponding under it.

3. cloud computing platform according to claim 1, is characterized in that, described cloud controller comprises:

The workflow management module, the user's service request sent for receiving described client is determined the target handling process corresponding with described user's service request in the request processing flow set in advance;

The trigger flow module, provide the service corresponding with described user's service request for triggering the described target handling process of execution.

4. cloud computing platform according to claim 3, is characterized in that, described cloud controller also comprises:

Accounting module, for after described trigger flow module provides service, obtain user's Service Source usage data, reaches the tariff data of each default resource items according to described Service Source usage data, obtains the service tariff data of the required payment of user.

5. cloud computing platform according to claim 3, is characterized in that, described cloud controller also comprises:

Monitoring module, in order to obtain the service data of modules in this cloud controller by heartbeat data.

6. cloud computing platform according to claim 1, is characterized in that, described Node Controller also comprises:

Transferring module, for receiving the migration instruction, by its place Node Controller, corresponding virtual machine instance migrates on the destination node controller corresponding with this migration instruction online.

7. according to claim 1,3,4 or 5 described cloud computing platforms, it is characterized in that, also comprise:

The storage control be connected with described cloud controller, for utilizing Hash hash algorithm to build the distributed objects storage cluster of the expansion of redundancy, described object storage cluster comprises at least one memory node, each described memory node redundant storage reflection masterplate file and user data.

8. cloud computing platform according to claim 1, is characterized in that, also comprises the calculation services module in described Node Controller.

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