CN114546721B - Backup method, system and computer readable storage medium for application program in cluster - Google Patents
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000011084 recovery Methods 0.000 claims abstract description 21
- 238000012795 verification Methods 0.000 claims abstract description 9
- 230000001960 triggered effect Effects 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 10
- 238000004590 computer program Methods 0.000 description 7
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1458—Management of the backup or restore process
- G06F11/1469—Backup restoration techniques
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
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Abstract
The present disclosure provides a backup method, system and computer readable storage medium for application programs in a cluster. In the method, a restoration module sends a restoration request to a configuration module to acquire each service software package in at least one service software package, an information abstract of each service software package, a configuration file of an application program in each computing node in a cluster and a user parameter of the application program in each computing node in the cluster, the service software package corresponding to the information abstract is verified according to the information abstract of each service software package, each service software package in at least one service software package is deployed to a target computing node in the cluster under the condition that each service software package passes verification, and the application program deployed on the target computing node is configured according to the configuration file of the application program of a source node in the cluster and the user parameter of the application program of the source node in the cluster. The backup method ensures that the recovery process of the application program is safe and efficient.
Description
Technical Field
The disclosure belongs to the field of computers, and in particular relates to a backup method, a system and a computer readable storage medium for application programs in a cluster.
Background
This section is intended to provide a background or context for embodiments of the present disclosure. The description herein is not admitted to be prior art by inclusion in this section.
Distributed applications are growing in size, and applications may be deployed on more than 300 computing nodes. The conventional application backup method is to backup a specific version of a package of an application. When an application on one computing node (hereinafter referred to as a source computing node) fails to run or does not fail and simply needs to migrate, the application needs to be restored on another computing node (hereinafter referred to as a target computing node), the specific version of the package is installed on the target computing node, and then the configuration file and the user parameters are manually modified on the target computing node.
Disclosure of Invention
The present disclosure provides a backup method, system and computer readable storage medium for application programs in a cluster.
The following schemes are provided in the embodiments of the present disclosure: a method of backing up applications in a cluster, the applications in the cluster having at least one business software package, the method comprising:
The backup module backs up each service software package in the at least one service software package, an information abstract of each service software package, a configuration file of the application program in each computing node in the cluster, and user parameters of the application program in each computing node in the cluster;
The configuration module acquires each service software package in the at least one service software package, an information abstract of each service software package, a configuration file of the application program in each computing node in the cluster and a user parameter of the application program in each computing node in the cluster from the backup module, verifies the service software package corresponding to the information abstract according to the information abstract of each service software package, and sends each service software package in the at least one service software package, the information abstract of each service software package, the configuration file of the application program of each computing node in the cluster and the user parameter of the application program of each computing node in the cluster to the recovery module in response to a recovery request of the recovery module;
The restoration module sends a restoration request to the configuration module to acquire each service software package in the at least one service software package, an information abstract of each service software package, a configuration file of the application program in each computing node in the cluster, and a user parameter of the application program in each computing node in the cluster, verifies the service software package corresponding to the information abstract according to the information abstract of each service software package, deploys each service software package in the at least one service software package to a target computing node in the cluster under the condition that each service software package passes the verification, and configures the application program deployed on the target computing node according to the configuration file of the application program of the source node in the cluster and the user parameter of the application program of the source node in the cluster.
The following schemes are provided in the embodiments of the present disclosure: a backup system for applications in a cluster, comprising: a backup module, a configuration module and a recovery module,
The backup module is configured to backup each service software package in the at least one service software package, an information abstract of each service software package, a configuration file of the application program in each computing node in the cluster, and a user parameter of the application program in each computing node in the cluster;
The configuration module is configured to obtain, from the backup module, each service software package in the at least one service software package, an information abstract of each service software package, a configuration file of the application program in each computing node in the cluster, and a user parameter of the application program in each computing node in the cluster, verify, according to the information abstract of each service software package, the service software package corresponding to the information abstract, and send, to the recovery module, a recovery request of the recovery module, each service software package in the at least one service software package, the information abstract of each service software package, the configuration file of the application program in each computing node in the cluster, and the user parameter of the application program in each computing node in the cluster;
The restoration module is configured to send a restoration request to the configuration module to obtain each service software package in the at least one service software package, an information abstract of each service software package, a configuration file of the application program in each computing node in the cluster, and a user parameter of the application program in each computing node in the cluster, check the service software package corresponding to the information abstract according to the information abstract of each service software package, and deploy each service software package in the at least one service software package to a target computing node in the cluster if each service software package passes the verification, and configure the application program deployed on the target computing node according to the configuration file of the application program in the source node in the cluster and the user parameter of the application program in the source node in the cluster.
The following schemes are provided in the embodiments of the present disclosure: a backup system for applications in a cluster, comprising: at least one processor; and a memory communicatively coupled to the at least one processor; the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of backing up applications in the cluster.
The following schemes are provided in the embodiments of the present disclosure: a computer readable storage medium storing a program which, when executed by a processor, causes the processor to perform the method of backing up application programs in a cluster according to any one of claims 1 to 5.
Since the configuration files and user parameters of the applications in each computing node in the cluster are maintained separately, it becomes more efficient to restore the applications on the target computing node. Since each service software package of the application program guarantees that the service software package is not tampered through the information abstract, the recovery of the application program on the target computing node becomes safer.
Drawings
Fig. 1 is a flow diagram of a method of backing up applications in a cluster according to the present disclosure.
FIG. 2 is a block diagram of a backup system including an application in a cluster and the cluster in accordance with one embodiment of the disclosure.
Fig. 3 is a schematic structural diagram of a backup system for an application in a cluster according to another embodiment of the present disclosure.
Detailed Description
It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 and 2, embodiments of the present disclosure provide a method of backing up applications in a cluster having at least one business software package. A cluster typically contains multiple (e.g., 300) computing nodes. Typically each computing node is either a physical machine node or a virtual machine node. The same application is running on each computing node. An application typically has one or more subroutines, each of which is also referred to as a business software package. For example, an application "WeChat" has 4 business packages of "WeChat", "address book", "find" and "I". Specifically, each computing node is, for example, running a Linux operating system.
The backup method comprises the following processing steps.
Step 101, the backup module 1 backs up each service software package in the at least one service software package, a configuration file of the application program in each computing node in the cluster, and a user parameter of the application program in each computing node in the cluster, and calculates an information abstract of each service software package.
The information digest of the service software package may be, for example, MD5 information of the service software package.
The configuration file refers to parameters required to support the normal operation of the application.
The user parameters are, for example, ulimit parameters, ipcs parameters, and the like.
Step 102, a configuration module 2 obtains each service software package in the at least one service software package, an information abstract of each service software package, a configuration file of the application program in each computing node in the cluster, and a user parameter of the application program in each computing node in the cluster from the backup module 1, verifies the service software package corresponding to the information abstract according to the information abstract of each service software package, stores the service software package passing the verification, and sends, in response to a restoration request sent by the restoration module 3, each service software package in the at least one service software package, the information abstract of each service software package, the configuration file of the application program of the source computing node indicated by the restoration request, and the user parameter of the application program of the source computing node to the restoration module 3.
The configuration module 2 calculates the information abstract of the received service software package again, compares the information abstract with the received information abstract of the service software package, and if the information abstract is consistent with the information abstract of the service software package, the information abstract indicates that the service software package received by the configuration module 2 is not tampered, and the configuration module 2 stores the service software package.
Step 103, the restoration module 3 sends a restoration request to the configuration module 2 to obtain each service software package in the at least one service software package, an information abstract of each service software package, a configuration file of the application program in the source computing node indicated by the restoration request, and a user parameter of the application program in the source computing node, verifies the service software package corresponding to the information abstract according to the information abstract of each service software package, deploys each service software package in the at least one service software package to a target computing node in the cluster if each service software package passes the verification, and configures the application program deployed on the target computing node according to the configuration file of the application program of the source computing node and the user parameter of the application program of the source computing node.
The restoration module 3 calculates the information abstract of the received service software package again, compares the information abstract with the received information abstract of the service software package, and indicates that the service software package received by the configuration module 2 is not tampered if the information abstract of the service software package and the information abstract are consistent.
When one of the computing nodes in the cluster fails, for example, computing node a to computing node d in cluster 20 in fig. 2 fails, the operator creates a new computing node e and sends an instruction to the recovery module 3 to instruct the recovery module 33 to recover the application running on computing node d to computing node e. The computing node d is now called the source node and the computing node e is now called the target node. The restoration module 3 deploys the application program at the computing node e, and then configures the deployed application program according to the configuration file and the user parameters of the computing node d.
Since the configuration files and user parameters of the applications in each computing node in the cluster are maintained separately, it becomes more efficient to restore the applications on the target computing node. Since each service software package of the application program guarantees that the service software package is not tampered through the information abstract, the recovery of the application program on the target settlement node becomes safer.
In some embodiments, the business software package and the configuration file each have a version number, and the recovery request indicates the version numbers of the business software package and the configuration file.
I.e. the configuration module 2 stores all versions of the service software package and all versions of the configuration file, and the restoration module 3 specifies the version of the service software package and the version of the configuration file required when restoring one computing node.
In some embodiments, the operation of the backup module 1 to backup each of the at least one service software package, the configuration file of the application in each computing node in the cluster, and the user parameters of the application in each computing node in the cluster is time triggered.
The backup module 1 performs the above backup operation, for example, periodically or at fixed points of time every day.
In some embodiments, the operation of the configuration module 2 to obtain each of the at least one business software package, the information digest of each of the business software packages, the configuration file of the application in each computing node in the cluster, and the user parameters of the application in each computing node in the cluster from the backup module 1 is time triggered.
The frequency of the configuration module 2 obtaining the service software package, the information abstract of the service software package, the configuration file and the user parameter can be slightly lower than the frequency of the backup operation of the backup module 1.
Based on the same technical concept, the embodiment of the disclosure further provides a system for backing up the application programs in the cluster, which is used for executing the method for backing up the application programs in the cluster provided by any embodiment. In particular, the system may be implemented in hardware form as an Application Specific Integrated Circuit (ASIC), a Micro Control Unit (MCU), a single or multiple servers, or the like.
As shown in fig. 2, the backup system 10 of an application in a cluster includes: the backup module 1 is used for backing up each service software package in the at least one service software package, an information abstract of each service software package, a configuration file of the application program in each computing node in the cluster and a user parameter of the application program in each computing node in the cluster, and calculating the information abstract of each service software package; the configuration module 2 is configured to obtain, from the backup module 1, each service software package of the at least one service software package, an information abstract of each service software package, a configuration file of the application program in each computing node in the cluster, and a user parameter of the application program in each computing node in the cluster, verify, according to the information abstract of each service software package, the service software package corresponding to the information abstract, save the service software package that passes the verification, and send, in response to a restoration request sent by the restoration module 3, each service software package of the at least one service software package, the information abstract of each service software package, the configuration file of the application program of the source computing node indicated by the restoration request, and the user parameter of the application program of the source computing node to the restoration module 3; the restoration module 3 is configured to send a restoration request to the configuration module 2 to obtain each service software package of the at least one service software package, an information summary of each service software package, a configuration file of the application program in the source computing node indicated by the restoration request, and a user parameter of the application program in the source computing node, and verify, according to the information summary of each service software package, the service software package corresponding to the information summary, and deploy, to a target computing node in the cluster, each service software package of the at least one service software package, the configuration file of the application program of the source computing node, and the user parameter of the application program of the source computing node, where each service software package passes the verification.
In some embodiments, the business software package and the configuration file each have a version number, and the recovery request indicates the version numbers of the business software package and the configuration file.
In some embodiments, the operation of the backup module 1 to backup each of the at least one service software package, the configuration file of the application in each computing node in the cluster, and the user parameters of the application in each computing node in the cluster is time triggered.
In some embodiments, the operation of the configuration module 2 to obtain each of the at least one business software package, the information digest of each of the business software packages, the configuration file of the application in each computing node in the cluster, and the user parameters of the application in each computing node in the cluster from the backup module 1 is time triggered.
In some embodiments, each computing node in the cluster is a virtual machine node or a physical machine node.
It should be noted that, the backup system of the application program in the cluster in the embodiment of the present disclosure may implement each process of the foregoing embodiment of the backup method of the application program in the cluster, and achieve the same effect and function, which is not described herein again.
FIG. 3 is a schematic diagram of a system for backing up applications in a cluster according to one embodiment of the disclosure, for performing the method for backing up applications in a cluster shown in FIG. 1, the system comprising: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor, the instructions being executable by the at least one processor to enable the at least one processor to execute
According to some embodiments of the present disclosure, there is provided a non-volatile computer storage medium having stored thereon computer executable instructions arranged, when executed by a processor, to perform the foregoing method of backing up applications in a cluster.
The various embodiments in this disclosure are described in a progressive manner, and identical and similar parts of the various embodiments are all referred to each other, and each embodiment is mainly described as different from other embodiments. For system and computer readable storage medium embodiments, the description thereof is simplified as it is substantially similar to method embodiments, as relevant points may be found in part in the description of method embodiments.
The system and the computer readable storage medium provided by the embodiments of the present disclosure are in one-to-one correspondence with the method, so the system and the computer readable storage medium also have similar beneficial technical effects as the corresponding method, and since the beneficial technical effects of the method have been described in detail above, the beneficial technical effects of the system and the computer readable storage medium are not repeated here.
It will be appreciated by those skilled in the art that embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, systems, and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create a system for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In one typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of computer-readable media.
Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Furthermore, although the operations of the methods of the present disclosure are depicted in the drawings in a particular order, this is not required or suggested that these operations must be performed in this particular order or that all of the illustrated operations must be performed in order to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step to perform, and/or one step decomposed into multiple steps to perform.
While the spirit and principles of the present disclosure have been described with reference to several particular embodiments, it is to be understood that this disclosure is not limited to the particular embodiments disclosed nor does it imply that features in these aspects are not to be combined to benefit from this division, which is done for convenience of description only. The disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (12)
1. A method of backing up applications in a cluster, the applications in the cluster having at least one business software package, the method comprising:
The backup module backs up each service software package in the at least one service software package, an information abstract of each service software package, a configuration file of the application program in each computing node in the cluster, and user parameters of the application program in each computing node in the cluster;
The configuration module acquires each service software package in the at least one service software package, an information abstract of each service software package, a configuration file of the application program in each computing node in the cluster and a user parameter of the application program in each computing node in the cluster from the backup module, verifies the service software package corresponding to the information abstract according to the information abstract of each service software package, and sends each service software package in the at least one service software package, the information abstract of each service software package, the configuration file of the application program of each computing node in the cluster and the user parameter of the application program of each computing node in the cluster to the recovery module in response to a recovery request of the recovery module;
The restoration module sends a restoration request to the configuration module to acquire each service software package in the at least one service software package, an information abstract of each service software package, a configuration file of the application program in each computing node in the cluster, and a user parameter of the application program in each computing node in the cluster, verifies the service software package corresponding to the information abstract according to the information abstract of each service software package, deploys each service software package in the at least one service software package to a target computing node in the cluster under the condition that each service software package passes the verification, and configures the application program deployed on the target computing node according to the configuration file of the application program of the source node in the cluster and the user parameter of the application program of the source node in the cluster.
2. The backup method of claim 1, wherein the service software package and the configuration file each have a version number, and wherein the restore request indicates the version numbers of the service software package and the configuration file.
3. The backup method of claim 2, wherein the operation of the backup module to backup each of the at least one business software package, the summary of information for each of the business software packages, the configuration file for the application in each of the computing nodes in the cluster, and the user parameters for the application in each of the computing nodes in the cluster is time triggered.
4. The backup method of claim 2, wherein the operation of the configuration module to obtain each of the at least one business software package, the information digest of each of the business software packages, the configuration file of the application in each of the computing nodes in the cluster, and the user parameters of the application in each of the computing nodes in the cluster from the backup module is time-triggered.
5. The backup method of claim 1, wherein each computing node in the cluster is a virtual machine node or a physical machine node.
6. A backup system for an application in a cluster, comprising: a backup module, a configuration module and a recovery module,
The backup module is used for backing up each service software package in at least one service software package, an information abstract of each service software package, a configuration file of the application program in each computing node in the cluster and user parameters of the application program in each computing node in the cluster;
The configuration module is configured to obtain, from the backup module, each service software package in the at least one service software package, an information abstract of each service software package, a configuration file of the application program in each computing node in the cluster, and a user parameter of the application program in each computing node in the cluster, verify, according to the information abstract of each service software package, the service software package corresponding to the information abstract, and send, to the recovery module, a recovery request of the recovery module, each service software package in the at least one service software package, the information abstract of each service software package, the configuration file of the application program in each computing node in the cluster, and the user parameter of the application program in each computing node in the cluster;
The restoration module is configured to send a restoration request to the configuration module to obtain each service software package in the at least one service software package, an information abstract of each service software package, a configuration file of the application program in each computing node in the cluster, and a user parameter of the application program in each computing node in the cluster, check the service software package corresponding to the information abstract according to the information abstract of each service software package, and deploy each service software package in the at least one service software package to a target computing node in the cluster if each service software package passes the verification, and configure the application program deployed on the target computing node according to the configuration file of the application program in the source node in the cluster and the user parameter of the application program in the source node in the cluster.
7. The backup system of claim 6, wherein the business software package and the configuration file each have a version number, and wherein the restore request indicates the version numbers of the business software package and the configuration file.
8. The backup system of claim 7, wherein the operation of the backup module to backup each of the at least one business software package, the summary of information for each of the business software packages, the configuration file for the application in each of the computing nodes in the cluster, and the user parameters for the application in each of the computing nodes in the cluster is time triggered.
9. The backup system of claim 7, wherein the operation of the configuration module to obtain each of the at least one business software package, the information digest of each of the business software packages, the configuration file of the application in each of the computing nodes in the cluster, and the user parameters of the application in each of the computing nodes in the cluster from the backup module is time-triggered.
10. The backup system of claim 6, wherein each computing node in the cluster is a virtual machine node or a physical machine node.
11. A backup system for an application in a cluster, comprising: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of backing up applications in a cluster according to any one of claims 1 to 5.
12. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a program, which when executed by a processor, causes the processor to perform the backup method of an application in a cluster according to any one of claims 1 to 5.
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