CN113641641A - Switching method, switching system, equipment and storage medium of file storage service - Google Patents
Switching method, switching system, equipment and storage medium of file storage service Download PDFInfo
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- CN113641641A CN113641641A CN202110851426.8A CN202110851426A CN113641641A CN 113641641 A CN113641641 A CN 113641641A CN 202110851426 A CN202110851426 A CN 202110851426A CN 113641641 A CN113641641 A CN 113641641A
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
- G06F16/172—Caching, prefetching or hoarding of files
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
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Abstract
The invention discloses a switching method, a switching system, equipment and a storage medium of file storage service, wherein the switching method comprises the following steps: obtaining an engine instance of a file storage service; when the current file storage service needs to be switched to the target file storage service, calling a target engine instance corresponding to the target file storage service; the target engine instance creates corresponding target uploading service; the target upload service interfaces with a target file storage service. In the invention, on one hand, the requirement of docking different file storage services can be met without changing the service codes, the adaptation can be developed rapidly, and the resource cost is reduced, on the other hand, the characteristics supported by each file storage service can be met, and the service codes are not influenced.
Description
Technical Field
The present invention relates to the field of data communications, and in particular, to a method, a system, a device, and a storage medium for switching file storage services.
Background
The file system is a common choice in software development, and the purpose of the file system is to complete the operation of files by using the functions of uploading, downloading, previewing, media processing and the like provided by the file system, so that the centralized management of all files in the whole application service is realized.
Referring to fig. 1, a system model using a file storage service mainly includes two components, namely, a file storage service (i.e., a file service shown in the drawing) and an application using the file storage service. Wherein the application operates on the file, delegating all actions to the file storage service for processing. The file storage service serves as an independent system and provides a function of operating the files, and object storage service provided by mainstream cloud manufacturers can be built or used by the file storage service.
On top of this model, the mainstream file storage service may also contain the following functions to manipulate the file:
1) and the function of file compression is provided, so that more files can be stored under the same capacity.
2) Processing of the media may be supported, such as watermarking of video, picture cropping, resizing, format conversion, and the like.
3) And the access control function is provided, and only intranet access or access after authentication is supported.
4) And the automatic expiration function of the file access link is provided, so that the link for previewing and downloading the file is only effective within a certain x time.
5) And the function of a Content Delivery Network (CDN) is provided, and the access response speed of the user is improved.
By the technology, files in the system can be managed and operated more conveniently by using the file system in the current software development. When a file system is developed and selected at an enterprise level, the private deployment technology is generally selected by using MinIO (a file storage service), FastDFS (a file storage service) and the like, and mainstream cloud, Alice cloud, Tencent cloud, AWS (a file storage service) cloud and the like can be selected by using public cloud services.
However, in Software Development for enterprise clients, a situation that a specific file storage service needs to be changed due to a customized requirement of a client may be encountered, and the file storage service is difficult to change once selected, because each file storage service provides a Software Development Kit (SDK) only for itself, and Application Programming Interfaces (APIs) used in programs for connecting the file storage service and performing file operation actions are different. Replacing file storage services while ensuring that business logic is normal often wastes valuable time and effort on the part of developers.
Currently there is no general and standard solution to this problem, and the main practice is to re-provision the SDK to a new file in the service based on the original code logic.
For example, the business code has a code for interfacing and using the AWS cloud as a file storage service, and if the wavja cloud is required to be switched to be used as the file storage service, the original code is modified, and all places for interfacing the AWS cloud are modified into the wavja cloud, and then the code project is maintained independently. At this time, two codes for connecting the AWS cloud file storage service and the Huawei cloud file storage service exist, and only one code needs to be used when deployment is carried out.
However, the prior art has the following problems: on one hand, a general solution is not available, particularly, rapid development and adaptation cannot be achieved, an engineer needs to spend time for additional butt joint, and the cost of human resources is increased; on the other hand, the maintenance cost is high, specifically, multiple sets of codes need to be developed by themselves, and if the subsequent service functions are upgraded, the newly developed service codes need to be synchronized into multiple projects, which results in the improvement of the maintenance cost.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a switching method, a switching system, an electronic device and a storage medium for file storage service, which can rapidly develop without affecting the service and reduce the maintenance cost, in order to overcome the defects that in the software development process in the prior art, the development cannot be rapidly performed without affecting the service when meeting the requirement of switching the file storage service, and the cost is high because a plurality of codes need to be maintained based on different file storage services.
The invention solves the technical problems through the following technical scheme:
the invention provides a switching method of file storage service, which comprises the following steps:
obtaining engine instances of file storage services, wherein each engine instance corresponds to one type of file storage service;
when the current file storage service needs to be switched to a target file storage service, calling a target engine instance corresponding to the target file storage service;
the target engine instance creates a corresponding target uploading service;
the target upload service interfaces with the target file storage service.
Preferably, the step of creating the corresponding target upload service by the target engine instance further includes:
and the target engine instance acquires the connection parameters corresponding to the file storage service so as to establish connection with the target file storage service.
Preferably, the connection parameters include a connection address, a user name and a password of the target file storage service.
Preferably, the step of creating the corresponding target upload service by the target engine instance further includes the following steps:
saving the target uploading service;
and when the file storage service other than the target file storage service needs to be switched to the target file storage service, directly returning to the target uploading service, and butting the target file storage service through the target uploading service.
Preferably, in the step of obtaining the engine instance of the file storage service, the engine instance of the file storage service is obtained through a unified engine manager.
The invention also provides a switching system of the file storage service, which comprises the following components: the system comprises an engine acquisition module, a target engine calling module, an uploading service creation module and a storage service docking module;
the engine acquisition module is used for acquiring engine instances of the file storage service, and each engine instance corresponds to one type of file storage service;
the target engine calling module is used for calling a target engine instance corresponding to the target file storage service when the current file storage service needs to be switched to the target file storage service;
the uploading service creating module is used for creating corresponding target uploading service through the target engine instance;
the storage service docking module is used for docking the target file storage service through the target uploading service.
Preferably, the switching system further includes a service connection module, configured to acquire, by the target engine instance, a connection parameter corresponding to the file storage service to establish a connection with the target file storage service, and invoke the upload service creation module.
Preferably, the switching system further includes a storage module, the upload service creation module is further configured to call the storage module after creating the corresponding target upload service through the target engine instance, and the storage module is configured to store the target upload service;
the storage service docking module is further configured to directly return to the target upload service when it is required to switch from a file storage service other than the target file storage service to the target file storage service, and dock the target file storage service through the target upload service.
The invention also provides an electronic device, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the computer program to realize the switching method of the file storage service.
The present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the file storage service switching method as described above.
The positive progress effects of the invention are as follows: the invention provides a standardized engine for switching file storage service, which only needs to call a target engine instance corresponding to a target configuration center when needing to switch from a current configuration center to the target configuration center, can create a target uploading service through the target engine instance, and can be switched with the target file storage service to be butted so as to carry out corresponding operation through the target uploading service. On one hand, the method can meet the requirements of different file storage services without changing business codes, can rapidly develop adaptation and reduce the resource cost, and on the other hand, the method can meet the characteristics supported by each file storage service and does not influence the business codes.
Drawings
FIG. 1 is a block diagram of storage by a file storage service.
FIG. 2 is a block diagram of a file storage service corresponding to an example of a usage engine according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a docking relationship between modules in the embodiment of the present invention.
Fig. 4 is a flowchart of a file storage service switching method according to embodiment 1 of the present invention.
Fig. 5 is a schematic block diagram of an electronic device in embodiment 3 of the present invention.
Detailed Description
In order to solve the problem that developers cannot replace the logic of the file storage service in the existing service code in a low-cost and standard and general way due to different SDKs provided by specific services when the file storage service is used, the embodiment of the invention provides a system for interfacing the file storage service, which is realized by using Java (a programming language). In particular, a method is provided based on this that supports adapting different file storage services.
In the embodiment of the present invention, the Engine (Engine instance) existing in the current program running environment is loaded through a Service discovery Interface (SPI) technology provided by a Java software development Kit (JDK), so as to achieve an effect of conveniently switching the storage Service of the docked specific file.
The Engine is an Engine interfacing with a specific file system, and may create an Uploader (upload service) capable of operating a specified file system, and the Engine is discovered and loaded by the SPI mechanism in a manner of introducing program dependency.
In this embodiment, the present invention defines a series of methods for uploading and downloading files based on the Uploader created by Engine.
Referring to fig. 2 and 3, an engine manager (UploaderFactory) executes an acquisition action through an UploaderFac tory when acquiring an Uploader, for loading and managing a file system engine and creating a container for uploading a service Uploader.
The Engine provides a file service for creating an uploader and defining and reading the configuration of the connection file storage service, namely a specific function, and is discovered and loaded by the SPI mechanism in a program-dependent mode.
The Uploader is a client side which actually provides functions of uploading, downloading and the like, is created and maintained by using the Engine for the UploaderFactory, and is internally connected with the file storage service according to the configuration information acquired by the Engine and operates the corresponding SDK.
In the embodiment of the invention, the actions of operating the files are all carried out through the Uploader, different engines are written by interfacing different file storage services, and after the integration is finished, the corresponding program dependence and configuration files are only required to be modified for switching between the file storage services, and the service codes are not required to be changed.
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
The embodiment provides a switching method of a file storage service, as shown in fig. 4, the switching method includes:
Wherein each engine instance corresponds to a type of file storage service.
Specifically, in this embodiment, the unified engine manager obtains an engine instance of the file storage service. And triggering initialization logic under the condition of initial loading of the UploaderFactory, scanning out the Engine instances contained in the program runtime by using an SPI interface ServiceLoader provided by JDK, and storing all the Engine instances into a mapping relation table capable of finding specific engines through the instance names.
And 102, when the current file storage service needs to be switched to the target file storage service, calling a target engine instance corresponding to the target file storage service.
Specifically, the target engine instance may be matched with the unique identifier of the target engine instance corresponding to the target file storage service in step 102.
In a specific embodiment, the target engine instance first determines how to connect to the target file storage service, and specifically, step 103 may further include the steps of: the target engine instance obtains connection parameters corresponding to the file storage service.
The connection parameters are specifically used for establishing connection with the target file storage service, and the connection parameters may specifically include a connection address, a user name, and a password of the target file storage service.
In this embodiment, the target engine instance may obtain a connection method with the target configuration center, thereby completing subsequent docking with the target file storage service.
And 104, the target uploading service is connected with the target file storage service.
In step 104, the API provided by the target upload service is used to upload a file to the target file storage service or download a file stored in the target file storage service, and specifically, the upload and download methods provided by the target upload service may be called to complete the corresponding actions.
In this embodiment, all components are located in one program unit as one part, and the Uploader is used as a client for operating the file, so that the purpose of loading the scheme of this embodiment through the SPI mechanism is achieved.
In summary, the method for switching file storage services provided by the embodiment of the present invention enables a service code to integrate any file storage service into a program by only compiling one set of code, thereby implementing fast and efficient use of the file storage service or switching of the file storage service based on an existing code, thereby improving usability and software development efficiency and reducing maintenance cost.
In a specific embodiment, step 103 may further include the following steps: and storing the target uploading service.
And when the file storage service other than the target file storage service needs to be switched to the target file storage service subsequently, the target uploading service is directly returned, and the step of connecting the target file storage service through the target uploading service is executed.
In the embodiment, after the target engine instance is called and the target upload service is created, the created target upload service can be saved, and when the next time the target file storage service needs to be switched to, the previously created target upload service can be directly returned without creating the target upload service again, so that the resource utilization rate is improved while the speed is switched.
The embodiment provides a client for standardizing operation files and an engine for correspondingly creating the client, various mainstream file storage systems can be connected based on the standard operation files, the embodiment uses an SPI (serial peripheral interface) framework, and programs can be switched and specifically realized only by introducing dependence.
Example 2
The embodiment provides a switching system of file storage service, which includes: the system comprises an engine acquisition module, a target engine calling module, an uploading service creation module and a storage service docking module;
the engine acquisition module is used for acquiring engine instances of the file storage service, wherein each engine instance corresponds to one type of file storage service.
Specifically, in this embodiment, the unified engine manager obtains an engine instance of the file storage service. And triggering initialization logic under the condition of initial loading of the UploaderFactory, scanning out the Engine instances contained in the program runtime by using an SPI interface ServiceLoader provided by JDK, and storing all the Engine instances into a mapping relation table capable of finding specific engines through the instance names.
And the target engine calling module is used for calling a target engine instance corresponding to the target file storage service when the current file storage service needs to be switched to the target file storage service.
Specifically, the target engine invocation module is configured to match the target engine instance with a unique identifier of the target engine instance corresponding to the target file storage service.
And the uploading service creating module is used for creating corresponding target uploading service through the target engine instance.
In a specific implementation manner, the target engine instance first determines how to connect to the target file storage service, and specifically, the switching system further includes a service connection module, configured to acquire, by the target engine instance, a connection parameter corresponding to the file storage service to establish a connection with the target file storage service, and invoke the upload service creation module.
The connection parameters are specifically used for establishing connection with the target file storage service, and the connection parameters may specifically include a connection address, a user name, and a password of the target file storage service.
In this embodiment, the target engine instance may obtain a connection method with the target configuration center, thereby completing subsequent docking with the target file storage service.
The storage service docking module is used for docking the target file storage service through the target uploading service.
The storage service docking module is specifically configured to upload a file to the target file storage service using an API provided by the target upload service, or download a file stored in the target file storage service, and specifically may call an upload and download method provided by the target upload service to complete a corresponding action.
In this embodiment, all components are located in one program unit as one part, and the Uploader is used as a client for operating the file, so that the purpose of loading the scheme of this embodiment through the SPI mechanism is achieved.
In summary, the switching system of the file storage service provided by the embodiment of the present invention can integrate any file storage service in a program by only compiling one set of code for the service code, thereby realizing fast and efficient use of the file storage service or switching of the file storage service based on the existing code, improving usability and software development efficiency, and reducing maintenance cost.
In a specific implementation manner, the switching system may further include a storage module, the upload service creation module is further configured to call the storage module after creating the corresponding target upload service through the target engine instance, and the storage module is configured to store the target upload service;
the storage service docking module is also used for directly returning to the target uploading service when the storage service needs to be switched to the target file storage service from other file storage services except the target file storage service, and docking the target file storage service through the target uploading service.
In the embodiment, after the target engine instance is called and the target upload service is created, the created target upload service can be saved, and when the next time the target file storage service needs to be switched to, the previously created target upload service can be directly returned without creating the target upload service again, so that the resource utilization rate is improved while the speed is switched.
The embodiment provides a client of a standardized operation file and an engine of a corresponding creation client, various mainstream file storage systems can be connected based on the standard operation file, the embodiment uses an SPI (serial peripheral interface) framework, and the program can be switched by only introducing dependence.
Example 3
The present embodiment provides an electronic device, which may be represented in the form of a computing device (for example, may be a server device), including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor executes the computer program to implement the file storage service switching method in embodiment 1.
Fig. 5 shows a schematic diagram of a hardware structure of the electronic device of this embodiment, and as shown in fig. 5, the electronic device 9 specifically includes:
at least one processor 91, at least one memory 92, and a bus 93 for connecting the various system components (including the processor 91 and the memory 92), wherein:
the bus 93 includes a data bus, an address bus, and a control bus.
The processor 91 executes various functional applications and data processing, such as a file storage service switching method in embodiment 1 of the present invention, by executing the computer program stored in the memory 92.
The electronic device 9 may further communicate with one or more external devices 94 (e.g., a keyboard, a pointing device, etc.). Such communication may be through an input/output (I/O) interface 95. Also, the electronic device 9 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet) via the network adapter 96. The network adapter 96 communicates with the other modules of the electronic device 9 via the bus 93. It should be understood that although not shown in the figures, other hardware and/or software modules may be used in conjunction with the electronic device 9, including but not limited to: microcode, device drivers, redundant processors, external disk drive arrays, RAID (disk array) systems, tape drives, and data backup storage systems, etc.
It should be noted that although in the above detailed description several units/modules or sub-units/modules of the electronic device are mentioned, such a division is merely exemplary and not mandatory. Indeed, the features and functionality of two or more of the units/modules described above may be embodied in one unit/module, according to embodiments of the application. Conversely, the features and functions of one unit/module described above may be further divided into embodiments by a plurality of units/modules.
Example 4
The present embodiment provides a computer-readable storage medium on which a computer program is stored, which when executed by a processor, implements the file storage service switching method of embodiment 1.
More specific examples, among others, that the readable storage medium may employ may include, but are not limited to: a portable disk, a hard disk, random access memory, read only memory, erasable programmable read only memory, optical storage device, magnetic storage device, or any suitable combination of the foregoing.
In a possible implementation manner, the present invention can also be implemented in the form of a program product, which includes program code for causing a terminal device to execute a method for implementing a switching of a file storage service in embodiment 1 when the program product runs on the terminal device.
Where program code for carrying out the invention is written in any combination of one or more programming languages, the program code may be executed entirely on the user device, partly on the user device, as a stand-alone software package, partly on the user device and partly on a remote device or entirely on the remote device.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. A switching method of file storage service is characterized in that the switching method comprises the following steps:
obtaining engine instances of file storage services, wherein each engine instance corresponds to one type of file storage service;
when the current file storage service needs to be switched to a target file storage service, calling a target engine instance corresponding to the target file storage service;
the target engine instance creates a corresponding target uploading service;
the target upload service interfaces with the target file storage service.
2. The method for switching file storage services according to claim 1, wherein the step of the target engine instance creating the corresponding target upload service further comprises:
and the target engine instance acquires the connection parameters corresponding to the file storage service so as to establish connection with the target file storage service.
3. The file storage service switching method according to claim 2, wherein the connection parameters include a connection address, a user name, and a password of the target file storage service.
4. The method for switching file storage services according to claim 1, wherein the step of the target engine instance creating the corresponding target upload service further comprises the following steps:
saving the target uploading service;
and when the file storage service other than the target file storage service needs to be switched to the target file storage service, directly returning to the target uploading service, and butting the target file storage service through the target uploading service.
5. The method for switching file storage services according to claim 1, wherein in the step of obtaining the engine instance of the file storage service, the engine instance of the file storage service is obtained through a unified engine manager.
6. A switching system of a file storage service, the switching system comprising: the system comprises an engine acquisition module, a target engine calling module, an uploading service creation module and a storage service docking module;
the engine acquisition module is used for acquiring engine instances of the file storage service, and each engine instance corresponds to one type of file storage service;
the target engine calling module is used for calling a target engine instance corresponding to the target file storage service when the current file storage service needs to be switched to the target file storage service;
the uploading service creating module is used for creating corresponding target uploading service through the target engine instance;
the storage service docking module is used for docking the target file storage service through the target uploading service.
7. The switching system of file storage services of claim 6, further comprising a service connection module to obtain, by the target engine instance, connection parameters corresponding to the file storage service to establish a connection with the target file storage service, and to invoke the upload service creation module.
8. The switching system of file storage services of claim 6, wherein the switching system further comprises a storage module, the upload service creation module is further configured to invoke the storage module after creating a corresponding target upload service through the target engine instance, the storage module is configured to save the target upload service;
the storage service docking module is further configured to directly return to the target upload service when it is required to switch from a file storage service other than the target file storage service to the target file storage service, and dock the target file storage service through the target upload service.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method for switching file storage services according to any one of claims 1 to 5 when executing the computer program.
10. A computer-readable storage medium on which a computer program is stored, the computer program, when being executed by a processor, implementing the file storage service switching method according to any one of claims 1 to 5.
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