CN110554927A - Micro-service calling method based on block chain - Google Patents
Micro-service calling method based on block chain Download PDFInfo
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- CN110554927A CN110554927A CN201910866592.8A CN201910866592A CN110554927A CN 110554927 A CN110554927 A CN 110554927A CN 201910866592 A CN201910866592 A CN 201910866592A CN 110554927 A CN110554927 A CN 110554927A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/547—Remote procedure calls [RPC]; Web services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2209/00—Indexing scheme relating to G06F9/00
- G06F2209/54—Indexing scheme relating to G06F9/54
- G06F2209/544—Remote
Abstract
the invention provides a block chain-based micro-service calling method, which comprises the following steps: receiving a service calling request sent by a micro service calling party; inquiring service registration information of the micro-service in the block chain network according to the service calling request, and taking the inquired micro-service as a potential calling micro-service; wherein the service registration information of the micro service is pre-stored on a blockchain node in the blockchain network; and acquiring the historical calling amount of each potential calling micro-service, and calling the potential calling micro-service according to the historical calling amount of each potential calling micro-service. The invention realizes cross-terminal resource scheduling and enhances the unified management capability of various resources.
Description
Technical Field
The invention belongs to the technical field of block chain application, and particularly relates to a block chain-based micro-service calling method.
background
With the continuous upgrading and changing of the requirements of the intelligent mobile application, the requirements on the information perception and the processing capacity of the intelligent mobile terminal are higher and higher. The intelligent mobile terminal integrates the environmental information effectively, completes tasks such as instant information processing, safe communication, resource scheduling and the like efficiently, and is a development direction of the intelligent mobile terminal. Because the service resources which can be loaded by the intelligent mobile terminal equipment with single service application are limited, the adoption of a micro-service framework for cross-terminal service deployment and resource scheduling is imperative.
registration and discovery of the micro-service are core contents of a service system and are key steps in micro-service invocation. The traditional micro-service registration and discovery method is realized based on centralized service registration, and when communication obstacles appear or malicious attacks happen to service registration nodes, the service registration nodes can affect service invocation of the whole terminal cluster, and the method is not preferable in a network environment based on distributed terminals. The traditional method is not suitable for the decentralized environment of the intelligent mobile terminal.
In summary, in the conventional method, when a communication obstacle occurs or a malicious attack occurs, the registration node may affect the micro-service invocation of the whole terminal cluster, resulting in a failure of the micro-service invocation.
Disclosure of Invention
in order to overcome the problem that the existing microservice registration node may cause microservice calling failure when the problem occurs, or at least partially solve the problem, embodiments of the present invention provide a microservice calling method based on a block chain.
According to a first aspect of the embodiments of the present invention, there is provided a block chain-based micro service invoking method, including:
Receiving a service calling request sent by a micro service calling party;
Inquiring service registration information of the micro-service in the block chain network according to the service calling request, and taking the inquired micro-service as a potential calling micro-service; wherein the service registration information of the micro service is pre-stored on a blockchain node in the blockchain network;
and acquiring the historical calling amount of each potential calling micro-service, and calling the potential calling micro-service according to the historical calling amount of each potential calling micro-service.
According to a second aspect of the embodiments of the present invention, there is also provided an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor calls the program instructions to be able to execute the block chain-based micro-service calling method provided in any one of the various possible implementations of the first aspect.
According to a third aspect of the embodiments of the present invention, there is also provided a non-transitory computer-readable storage medium storing computer instructions for causing a computer to execute the block chain based micro service invocation method provided in any one of the various possible implementations of the first aspect.
The embodiment of the invention provides a block chain-based micro-service calling method, which is characterized in that a lightweight and cuttable decentralized micro-service integrated framework is designed based on a block chain, the framework realizes efficient and safe decentralized registration and network discovery by utilizing block chain link points to carry out cross-terminal resource scheduling, the dynamic resource scheduling capability of an intelligent mobile terminal is improved, an efficient low-delay service calling mechanism and a safe communication protocol are realized, and key technologies such as software defined resources, dynamic resource services and the like are broken through; the common service of the business application is researched, a uniform service access interface and a running support environment are provided for the upper-layer application, the uniform management capability of various computing resources is enhanced, the application development efficiency is improved, and the information processing capability of the intelligent mobile terminal is improved; the method can ensure that the normal operation of the global service cannot be influenced by the exit or the failure of a certain number of nodes, and meanwhile, the remote service discovery and the call can be efficiently carried out under the condition of no central regulation.
Drawings
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic overall flow chart of a block chain-based micro-service invocation method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a distributed service registration and discovery network in the block chain-based micro-service invocation method according to the embodiment of the present invention;
Fig. 3 is a schematic view of an overall structure of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
In an embodiment of the present invention, a block chain-based micro service invoking method is provided, and fig. 1 is a schematic overall flow chart of the block chain-based micro service invoking method provided in the embodiment of the present invention, where the method includes: s101, receiving a service calling request sent by a micro-service calling party;
The micro-service caller is a micro-service sending a service calling request, and the service calling request is a request needing service calling.
s102, inquiring service registration information of the micro-service in the block chain network according to the service calling request, and taking the inquired micro-service as a potential calling micro-service; wherein the service registration information of the micro service is pre-stored on a blockchain node in the blockchain network;
In order to implement service registration across intelligent mobile terminals, a service registration network stores service registration information for a microservice on a blockchain node in a blockchain network. All microservices in a blockchain network need to register at blockchain nodes so that they can be discovered by other microservices or service gateways. The micro-service can be directly discovered by other micro-services in the same blockchain network, and can be discovered by the micro-services in other blockchain networks only through the service gateway.
when service discovery is carried out through the service gateway, the service gateway inquires registration information of all micro services in the block chain network according to the content to be called by the micro service calling party in the service calling request and the configuration information of the micro service calling party, and service discovery and load balancing are carried out on the related micro services. The service gateway also performs operations such as authorization check and the like for calling the micro service, and performs a current limiting operation if necessary.
S103, obtaining the historical calling amount of each potential calling micro-service, and calling the potential calling micro-service according to the historical calling amount of each potential calling micro-service.
When the load of the micro-service is balanced, the calling micro-service combines the polling and the historical calling measurement information to select a proper micro-service instance for calling.
The registration and discovery of microservices involve the Consistency problem of the distributed system, and the design of service registration and discovery components also needs to follow the CAP (Consistency, Availability, Partition tolerance) theory of the distributed system. Since there are inevitably problems of communication delay, communication failure, etc. in the distributed network, partition tolerance is the capacity that the distributed system must possess, and therefore trade-off between consistency and availability is required. For micro-service registration and discovery, it is more important to ensure the availability of service invocation than to maintain the consistency of service registration information at any time. Thus, the design of the service registration and discovery component should guarantee its availability and partition tolerance.
because the application resources of the intelligent mobile terminal are deficient and no centralized service resources exist, it is imperative to build decentralized service registration and discovery networks by means of block chains. Blockchain networks based on distributed consensus naturally have availability and partition tolerance, thus meeting the basic requirements of service registration and discovery networks. A block diagram of a distributed service registration and discovery network is shown in fig. 2.
the embodiment designs a lightweight and cuttable decentralized micro-service integrated framework based on a block chain, and the framework realizes efficient and safe decentralized registration and network discovery by using block chain link points, performs cross-terminal resource scheduling, improves the dynamic resource scheduling capability of an intelligent mobile terminal, realizes an efficient low-delay service calling mechanism and a safe communication protocol, and breaks through key technologies such as software defined resources, dynamic resource services and the like; the common service of the business application is researched, a uniform service access interface and a running support environment are provided for the upper-layer application, the uniform management capability of various computing resources is enhanced, the application development efficiency is improved, and the information processing capability of the intelligent mobile terminal is improved; the method can ensure that the normal operation of the global service cannot be influenced by the exit or the failure of a certain number of nodes, and meanwhile, the remote service discovery and the call can be efficiently carried out under the condition of no central regulation.
On the basis of the foregoing embodiment, in this embodiment, the step of querying the service registration information of all micro services in the blockchain network according to the service invocation request includes: for any one micro service, when the micro service is started, registering the service registration information of the micro service on a block chain node where the micro service is located; the block chain node where the micro service is located communicates with other block chain nodes in the block chain network, and common identification and data consistency check are carried out on the service registration information of the micro service; wherein the service registration information comprises routing information; the routing information includes a network address and a port.
specifically, the block link points form a connection network between the intelligent mobile terminals, and consensus and data consistency check are performed between different block link nodes, so that the function of a service registration center can be assumed. When the micro service is started, the micro service registers the service registration information of the micro service to the block chain nodes, and can be found by all the micro services after the synchronization and the consensus of the block chain nodes. At this time, all instances of the same micro service will expose the service to the outside in a uniform interface form, and the service gateway performs load balancing of the micro service in a client discovery manner. The service registration information includes service addressing information, i.e. routing information, which includes network addresses and ports of the micro-services.
In this embodiment, the blockchain network provides a stable and safe means for communication between nodes, and also provides a guarantee for safe invocation between micro-services, so that not only is the function of discovery and communication between services efficiently realized, but also a set of security measures and monitoring means in a decentralized environment is realized for the service registration and discovery network based on the blockchain, and the safe and stable operation of the micro-service framework is ensured.
On the basis of the foregoing embodiment, in this embodiment, after the step of performing consensus and data consistency check on the service registration information of the micro service, the method further includes: uploading the public key, the service information and the calling mode of the micro service to a block chain node where the micro service is located; and checking the calling compliance and security of the micro service according to the public key, the service information and the calling mode of the micro service.
On the basis of the foregoing embodiment, in this embodiment, after the step of performing consensus and data consistency check on the service registration information of the micro service, the method further includes: uploading interface definition information of the micro service to a block chain node where the micro service is located; and displaying the using method of the micro service on a calling party of the micro service according to the interface definition information of the micro service.
On the basis of the foregoing embodiments, in this embodiment, the step of calling the potential calling microservices according to the historical calling amount of each potential calling microservice specifically includes: if the local micro-service of the micro-service calling party exists in the potential calling micro-service, acquiring the historical calling amount of each local micro-service, and calling the local micro-service with the least historical calling amount; and if the local micro service of the micro service calling party does not exist in the potential calling micro services, taking each potential calling micro service as a remote micro service, acquiring the historical calling amount of each remote micro service, and calling the remote micro service with the least historical calling amount.
specifically, the micro service application realizes access to all micro services through the service gateway, including local micro service invocation and remote micro service invocation. When the micro-service is called, firstly, whether the micro-service which the micro-service calling party needs to call exists in the local micro-service of the micro-service calling party is searched, and if the micro-service exists, the local micro-service with the least historical calling amount is selected from the local micro-service to be called. And if the micro service calling party does not exist, selecting the remote micro service with the least historical calling amount from the remote micro services of the micro service calling party to call.
On the basis of the foregoing embodiments, in this embodiment, the step of calling the potential calling microservices according to the historical calling amount of each potential calling microservice specifically includes: selecting one potential calling microservice from all the potential calling microservices according to the historical calling amount of each potential calling microservice, and taking the selected potential calling microservice as the microservice to be called; authenticating the micro-service caller by the micro-service to be called according to the token signed by the private key of the micro-service caller carried in the service calling request; if the authentication is passed, calling the micro service instance to be called through the interface of the micro service to be called; and if the authentication is not passed, blocking the service calling request of the micro-service calling party.
Specifically, the mutual invocation of the micro-services needs to be verified by a cryptographic algorithm, and the request which does not carry the private key signature corresponding to the authorized public key will be blocked. After the service gateway successfully finds the service, the micro-service caller uses a lightweight low-delay remote service calling protocol and carries a token signed by a corresponding private key in a service calling request, so that the micro-service provider can authenticate the micro-service caller and timely block illegal requests. The service invocation protocol that the microservice invoker can employ is configurable.
According to the embodiment, multisource information management and processing capacity is provided through the common basic micro service, a uniform service calling interface is provided for the upper layer through the service calling gateway, and the software defined resource and dynamic resource service technology is realized through the service management function, so that the high efficiency of terminal diversified information processing is enhanced.
on the basis of the foregoing embodiments, the step of calling the instance of the microservice to be called through the interface of the microservice to be called in this embodiment specifically includes: when the micro service to be called is called, if the micro service to be called does not respond or the response time exceeds a preset threshold value, locally fusing the micro service to be called; in the calling of the micro service to be called after the calling, retrying the micro service to be called according to a mode of descending the calling frequency, simultaneously acquiring the health state of the micro service to be called, and determining whether to carry out global fusing on the micro service to be called according to the health state; the health state is determined by self information reported to the block chain node every preset time by the micro service to be called.
Specifically, when the micro-service caller finds that an instance of a certain micro-service has a problem of no response or overtime response, the local service fusing is firstly carried out to prevent the subsequent service calling from failing. Meanwhile, in the later calling, the micro service is retried according to the principle that the calling frequency is decreased, so that the micro service is added into the health service list again after being recovered. In addition, the health state of the service is reported to a service registration network in the block chain, and whether the micro service is subjected to global fusing is determined by a service management strategy. Each microserver reports the information of the microserver to the block chain node at regular intervals for use in health state examination.
on the basis of the foregoing embodiment, in this embodiment, the step of querying the service registration information of the micro service in the blockchain network according to the service invocation request further includes: acquiring the current instance calling quantity of each micro service, and enabling or stopping enabling each micro service according to the current instance calling quantity of each micro service; correspondingly, the step of inquiring the service registration information of the micro-service in the blockchain network according to the service calling request comprises the following steps: and inquiring the service registration information of all the enabled microservices in the block chain network according to the service calling request.
Specifically, the block chain node further records current scheduling information of each micro service, including the number of instances of a certain micro service that need to be called currently. The information is maintained by the related micro-service responsible for micro-service information management, and the cluster scale of the micro-service is controlled according to strategies such as starting according to needs, manual intervention and the like, so that the corresponding functions of service monitoring and service management can be realized.
The embodiment provides an electronic device, and fig. 3 is a schematic view of an overall structure of the electronic device according to the embodiment of the present invention, where the electronic device includes: at least one processor 301, at least one memory 302, and a bus 303; wherein the content of the first and second substances,
the processor 301 and the memory 302 are communicated with each other through a bus 303;
The memory 302 stores program instructions executable by the processor 301, and the processor calls the program instructions to perform the methods provided by the above method embodiments, for example, the method includes: receiving a service calling request sent by a micro service calling party; inquiring service registration information of the micro-service in the block chain network according to the service calling request, and taking the inquired micro-service as a potential calling micro-service; wherein the service registration information of the micro service is pre-stored on a blockchain node in the blockchain network; and acquiring the historical calling amount of each potential calling micro-service, and calling the potential calling micro-service according to the historical calling amount of each potential calling micro-service.
the present embodiments provide a non-transitory computer-readable storage medium storing computer instructions that cause a computer to perform the methods provided by the above method embodiments, for example, including: receiving a service calling request sent by a micro service calling party; inquiring service registration information of the micro-service in the block chain network according to the service calling request, and taking the inquired micro-service as a potential calling micro-service; wherein the service registration information of the micro service is pre-stored on a blockchain node in the blockchain network; and acquiring the historical calling amount of each potential calling micro-service, and calling the potential calling micro-service according to the historical calling amount of each potential calling micro-service.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A block chain-based micro-service calling method is characterized by comprising the following steps:
Receiving a service calling request sent by a micro service calling party;
Inquiring service registration information of the micro-service in the block chain network according to the service calling request, and taking the inquired micro-service as a potential calling micro-service; wherein the service registration information of the micro service is pre-stored on a blockchain node in the blockchain network;
And acquiring the historical calling amount of each potential calling micro-service, and calling the potential calling micro-service according to the historical calling amount of each potential calling micro-service.
2. The method according to claim 1, wherein the step of querying the service registration information of all the micro services in the blockchain network according to the service invocation request comprises:
For any one micro service, when the micro service is started, registering the service registration information of the micro service on a block chain node where the micro service is located;
The block chain node where the micro service is located communicates with other block chain nodes in the block chain network, and common identification and data consistency check are carried out on the service registration information of the micro service;
wherein the service registration information comprises routing information;
The routing information includes a network address and a port.
3. the method for calling the block chain-based micro service according to claim 2, wherein the step of performing the consensus and the data consistency check on the service registration information of the micro service further comprises:
uploading the public key, the service information and the calling mode of the micro service to a block chain node where the micro service is located;
And checking the calling compliance and security of the micro service according to the public key, the service information and the calling mode of the micro service.
4. The method for calling the block chain-based micro service according to claim 2, wherein the step of performing the consensus and the data consistency check on the service registration information of the micro service further comprises:
Uploading interface definition information of the micro service to a block chain node where the micro service is located;
And displaying the using method of the micro service on a calling party of the micro service according to the interface definition information of the micro service.
5. the method for calling the block chain-based micro-service according to any one of claims 1 to 4, wherein the step of calling the potential calling micro-service according to the historical calling amount of each potential calling micro-service specifically comprises:
If the local micro-service of the micro-service calling party exists in the potential calling micro-service, acquiring the historical calling amount of each local micro-service, and calling the local micro-service with the least historical calling amount;
and if the local micro service of the micro service calling party does not exist in the potential calling micro services, taking each potential calling micro service as a remote micro service, acquiring the historical calling amount of each remote micro service, and calling the remote micro service with the least historical calling amount.
6. The method for calling the block chain-based micro-service according to any one of claims 1 to 4, wherein the step of calling the potential calling micro-service according to the historical calling amount of each potential calling micro-service specifically comprises:
selecting one potential calling microservice from all the potential calling microservices according to the historical calling amount of each potential calling microservice, and taking the selected potential calling microservice as the microservice to be called;
authenticating the micro-service caller by the micro-service to be called according to the token signed by the private key of the micro-service caller carried in the service calling request;
If the authentication is passed, calling the micro service instance to be called through the interface of the micro service to be called;
And if the authentication is not passed, blocking the service calling request of the micro-service calling party.
7. The method for calling the block chain-based micro service according to claim 6, wherein the step of calling the instance of the micro service to be called through the interface of the micro service to be called specifically comprises:
When the micro service to be called is called, if the micro service to be called does not respond or the response time exceeds a preset threshold value, locally fusing the micro service to be called;
in the calling of the micro service to be called after the calling, retrying the micro service to be called according to a mode of descending the calling frequency, simultaneously acquiring the health state of the micro service to be called, and determining whether to carry out global fusing on the micro service to be called according to the health state; the health state is determined by self information reported to the block chain node every preset time by the micro service to be called.
8. The method according to claim 1, wherein the step of querying the service registration information of the micro service in the blockchain network according to the service invocation request further comprises:
Acquiring the current instance calling quantity of each micro service, and enabling or stopping enabling each micro service according to the current instance calling quantity of each micro service;
Correspondingly, the step of inquiring the service registration information of the micro-service in the blockchain network according to the service calling request comprises the following steps:
And inquiring the service registration information of all the enabled microservices in the block chain network according to the service calling request.
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 steps of the block chain based microservice calling method according to any of claims 1 to 8 when executing the program.
10. a non-transitory computer readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the steps of the block chain based microservice calling method according to any of the claims 1 to 8.
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