CN113111374B - Industrial micro-service system of end edge cloud, data interaction method and medium - Google Patents
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Abstract
The invention provides an industrial micro-service system of end edge cloud, a data interaction method and a medium, which relate to the technical field of electronic information engineering, and the method comprises the following steps: long linking module in ground end gateway and high in the clouds: the gateway sends an authorization code during micro service deployment to identity recognition and access management, the cloud adapter returns a queue ID, authentication information and server information, and a designated long connection queue is selected for the next data transmission work; an availability module: the manager can obtain the corresponding information from the system to perform necessary analysis and decision; a real-time module: and the operation parameters and the configuration are adjusted in real time, and the operation and resource consumption conditions of the system are monitored in real time, so that the information transmission and the normal operation are ensured. The invention can provide an effective micro-service architecture system and improve the usability of the whole system.
Description
Technical Field
The invention relates to the technical field of electronic information engineering, in particular to an industrial micro-service system of an end edge cloud, a data interaction method and a medium.
Background
Industrial microservices serve as a frontier vehicle that facilitates the deposition, accumulation, dissemination and even inheritance of industrial knowledge. The industrial microservice architecture is used as a unified solution for industrial software development, and is a key factor for improving the development starting point of the manufacturing industry. The industrial micro-service architecture can effectively improve the development efficiency and the management cost, drive the knowledge accumulation of the industry, and realize the international core competitiveness of the industry technology.
The invention patent with publication number CN112099510A discloses an intelligent agent control method based on end edge cloud cooperation, which includes respectively establishing an intelligent agent local end sensing module and an intelligent agent edge sensing module, and sending sensing information to a cloud end. The local side carries out prejudgment on behavior intentions and tracks of peripheral intelligent agents, the edge side carries out real-time learning and training according to feature extraction of local side perception information and edge side perception information, and the cloud side carries out off-line path planning and control based on historical data. In the operation process, the control scheduler of the local end schedules local end/edge end/cloud end to take over control according to a plurality of real-time intelligent agent positions.
At present, a Spring boot architecture system is generally adopted for general micro-service to realize micro-service development, and the method is mainly used for developing a commercial internet system. The general micro-service structure system is difficult to satisfy the industrial internet with a terminal-edge-cloud structure, and an industrial special micro-service structure system is lacked in an actual scene. In an industrial application scene, data acquisition of ground equipment is often included, an edge layer carries out primary operation aiming at real-time production information of the equipment, the operated data are transmitted to a cloud end, monitoring, analysis and other services are provided by the cloud end, field personnel can monitor the production condition of the equipment through the services, production management personnel can carry out production scheduling and production optimization through data analysis services, and management personnel can also know the completion degree and the reaching rate of orders. Under such a scenario, the availability, real-time performance, and security of the system are all tested higher than those of a general microservice system.
Through the literature search of the prior art, the original luck/rui et al, in the document "power-edge-end-collaboration-based power internet of things user-side data application framework" published in the power construction, introduces the cloud-edge-end-collaboration-based user-side data application framework in detail to break the interaction barrier between the user side and the power system due to limited computing resources. The system adopts a mixed cloud mode to analyze and apply data of a user side, and does not relate to the content of a micro-service system architecture. Yu Kaneko et al, in "Microservice-Based Industrial Control System Architecture Using Cloud and MEC", adopted 5G MEC to realize edge computing, however, the private Cloud form as the carrier of edge computing inevitably brings high cost. Currently, the field of industrial internet lacks an effective micro-service architecture system.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an industrial micro-service system of an end edge cloud, a data interaction method and a medium.
According to the industrial micro-service system, the data interaction method and the medium of the end edge cloud provided by the invention, the scheme is as follows:
in a first aspect, an industrial microserver system for an end edge cloud is provided, the system comprising:
ground end gateway and long connecting module in high in clouds: the gateway sends an authorization code during micro service deployment to identity recognition and access management, the cloud adapter returns a queue ID, authentication information and server information, and a designated long connection queue is selected for the next data transmission work;
an availability module: the manager can obtain the corresponding information from the system to perform necessary analysis and decision;
a real-time module: and the operation parameters and the configuration are adjusted in real time, and the operation and resource consumption conditions of the system are monitored in real time, so that the information transmission and the normal operation are ensured. (ii) a
Preferably, the system further comprises a security module: the security of the login user and the security of data transmission are ensured, and the data is encrypted.
Preferably, the long connection module in ground end gateway and high in the clouds includes:
cloud calling the ground: the cloud end calls the ground end through the long connection server by the appointed channel ID, and the ground end responds to the cloud end through the gateway;
the ground terminal calls a cloud terminal: the address of the cloud is stored in the ground, and the call can be directly carried out in an HTTPS request mode.
Preferably, the long connection module in ground end gateway and high in the clouds still includes: the cloud queries the registration list through the user's ID or address port.
Preferably, the long connection between the ground gateway and the cloud long connection module is used for the cloud to call the service placed at the ground; the long connection receives a request of the cloud service, and calls a corresponding ground service according to the service context to acquire related data.
Preferably, the availability module comprises:
and (3) a load balancing mechanism: all services in the industrial micro-service platform can run under multi-instance configuration and perform request transduction so as to achieve load balancing;
the fusing degradation mechanism: isolating the failed node, forwarding the request to other examples, or performing degradation processing on the condition assigned to the failed node until the node recovers normal operation;
the flow control mechanism comprises: under the condition that the key service cannot respond normally due to the overweight load, the key service is protected, and the whole system is ensured not to be crashed;
dynamic capacity expansion mechanism: the dynamic capacity expansion mechanism enables the industrial micro-service system to increase specific service nodes without stopping service when partial nodes fail or the whole bearing capacity is insufficient, thereby ensuring the bearing capacity and the availability of the system.
Preferably, the real-time module includes:
dynamic configuration: temporarily adjusting the requirements of operating parameters or configuration in an operating mode that service stopping is not allowed;
and (3) stable connection: through a mechanism of long connection between the ground gateway and the cloud end, the stability of the connection line is ensured and the information delivery is ensured;
and (3) state monitoring: the real-time status of the operation and resource consumption of the monitoring system is convenient for real-time resource allocation and control and management, and the normal operation of the whole system is ensured.
Preferably, the security module includes:
and (4) access security: the identity information of the login user is verified, and each user accessing the corresponding micro service is subjected to authorization control, the login times are limited, and recovery due to expiration is carried out; users who are not logged in and authorized cannot access the corresponding service;
and (4) transmission safety: the data transmission is encrypted by SSL/TLS;
data encryption: data stored in the storage medium is encrypted by a symmetric or asymmetric encryption method.
In a second aspect, a method for industrial microservice data interaction of an end edge cloud is provided, the method comprising:
step S1: the ground terminal equipment transmits the data to a server deployed on an edge layer;
step S2: the edge operation service deployed in the edge layer stores and processes data;
step S3: a gateway deployed at the ground end carries out user authentication, and long connection is established to be matched with a cloud task queue;
step S4: and the cloud service acquires the ground terminal equipment parameters through long connection, and calls the ground terminal equipment configuration service to perform production configuration on the corresponding equipment parameters.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention can meet the real-time requirement of service business and data interaction in the industrial Internet manufacturing system and ensure that the service business in the industrial Internet manufacturing system runs reliably and stably. Based on the end edge cloud structure of the industrial internet, the invention adopts the ground gateway, the cloud long connection module, the availability module and the real-time module to ensure that the decision of a manager can be transferred in real time and normally run;
2. the existence of long connection in the invention can realize accurate positioning from the cloud end to the ground end, and is not influenced by the network environment of ground end equipment on the premise of setting a safety mechanism;
3. the usability of the whole system is effectively improved by arranging the usability module, the stability of the connection line and the delivery of information are ensured by arranging the real-time module, and the data are encrypted by arranging the security module, so that the security of a login user and the security of data transmission are ensured.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a general architecture diagram of the present patent;
FIG. 2 is a schematic diagram of registration and registration process query in the "end cloud" architecture;
FIG. 3 is a schematic diagram of cloud-ground interaction in a "terminal edge cloud" architecture;
FIG. 4 is a schematic view of a service monitoring management interface;
FIG. 5 is a schematic diagram of flow control in an "edge cloud" architecture;
fig. 6 is a schematic diagram of a dynamic configuration in an "end edge cloud" architecture.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
The embodiment of the invention provides an industrial micro-service system of an end edge cloud, and as shown in fig. 1, by means of a mechanism of long connection between a ground gateway and a cloud end, the industrial scene requirement is met, the connection stability is ensured, and the information can be delivered. The high-performance industrial micro-service architecture system comprises an availability module, a real-time module and a security module, and explains load balancing, fusing degradation, flow control and dynamic capacity expansion mechanisms in availability, dynamic configuration, stable connection and state monitoring in real-time, and access security, transmission security and data security in security.
Specifically, the ground gateway and cloud long connection mechanism:
referring to fig. 2, in the registration process, since the end does not open an IP to the cloud, the gateway sends an authorization code (AuthKey) when the micro service is deployed to Identity and Access Management (IAM); the adapter at the cloud end returns the queue ID, the authentication information and the server information to select the designated long connection queue for the next data transmission work, and meanwhile, the cloud end inquires a registration list through the ID or the address port of the user.
Referring to fig. 3, in the cloud-end-to-ground flow, the cloud end calls the ground end through the long connection server by specifying the channel ID, and the ground end responds to the cloud end through the gateway; in contrast, in the process of calling the cloud end by the ground end, the address of the cloud end is stored in the ground end, and the cloud end can be directly called in an HTTPS request mode.
Due to the existence of long connection, user authentication is not required to be repeatedly performed at the two ends of the ground and the cloud, and instantaneity and stability are guaranteed. The long connection is used as a component of the middleware, and is used for calling services placed at the ground end by the cloud: a Rabbit MQ (message management middleware) adopts a long connection mechanism of TCP (Transmission control protocol), a request of cloud service is firstly sent to a long connection, and the long connection calls a corresponding ground terminal service aiming at a service context to obtain related data. The method and the device realize accurate positioning from the cloud end to the ground end, and can not be influenced by the network environment of the ground end equipment on the premise of setting a safety mechanism.
An availability module: in an industrial application scenario, from a production line operator, a production management scheduling person, a marketing manager, to a manager of a company or a whole group, corresponding information needs to be acquired from the system to perform necessary analysis and decision, and the availability is an indispensable link, so that the availability of the whole system can be effectively improved.
And (3) a load balancing mechanism: the industrial micro-service platform is developed based on a containerization technology and a Kubernetes bottom framework, all services can run under multi-instance configuration, and request transduction is carried out to achieve the effect of load balancing; meanwhile, on the basis of multi-instance configuration, the system is not damaged integrally due to the failure of a single node, and the aim of high availability is fulfilled; the load balancing mechanism provides various strategies such as polling and weighted polling, and the manager can adjust the strategy according to the requirement.
The fusing degradation mechanism: in the industrial micro-service architecture, services all operate by taking independent entities as units, and if a service node fails due to some unexpected reasons, the failure of whole or part of requests can be caused, so that the user experience is influenced; therefore, the industrial micro-service architecture plans a fusing degradation mechanism, so that the failure node can be isolated, the request can be forwarded to other examples, or the condition assigned to the failure node is degraded until the node returns to normal operation, and the method can effectively reduce the influence of the failure of the single node or part of the nodes on the user experience.
The flow control mechanism comprises: in a complex industrial scenario, there may be a few critical services in the system that are inevitably unable to respond normally due to heavy load, which may cause system avalanche breakdown. In terms of technical aspect, a distributed system can perform large capacity expansion and effectively disperse loads, but in reality, an operation mode which does not consider cost completely does not exist, the cost limit still exists in the horizontal expansion of the system, and if the instantaneous high quantity of the loads exist, a flow control mechanism can protect key services and ensure that the whole system does not crash.
Dynamic capacity expansion mechanism: the dynamic capacity expansion capability can ensure the system load capacity and availability by increasing specific service nodes without stopping service when part of the nodes fail or the whole load capacity of the industrial micro service system is insufficient.
A real-time module:
referring to FIG. 4, dynamically configuring: during the operation of the system, the need for temporarily adjusting the operation parameters or configuration inevitably occurs, and the adjustment can be performed through shutdown maintenance under a general scene, but the operation mode of stopping service is not allowed under an industrial scene, and dynamic configuration becomes the necessary capability of the industrial microservice architecture.
And (3) stable connection: compared with the common micro-service systems such as e-commerce and the like, in an industrial application scene consisting of end-edge-cloud, the stability of the connection may directly influence the functions of equipment monitoring, abnormal alarming and the like; the industrial micro-service architecture realizes a hybrid cloud mechanism meeting the requirements of industrial scenes through a mechanism of long connection between a ground gateway and a cloud end, so that the stability of connection is ensured, and information can be delivered.
And (3) state monitoring: through the planning of the operation and maintenance platform, the manager can monitor the real-time status of system operation and resource consumption through the service monitoring interface, so as to facilitate the real-time resource allocation and control and management, and ensure the normal operation of the whole system.
A security module:
and (4) access security: and the login user carries out identity information verification, and each user accessing the corresponding micro service carries out authorization control, thereby limiting the login times and recovering due times. The user who is not logged in and authorized cannot access the corresponding service.
And (4) transmission safety: under the end-edge-cloud architecture, data transmission is very frequent and important, so that ensuring the security in the transmission process also becomes an important issue; in the industrial micro-service architecture, data transmission is encrypted by SSL/TLS, so that even if the data is intercepted, the content of the data cannot be easily analyzed.
Data encryption: for data stored in a storage medium (which may be conventional RDB or NON SQL), encryption may be performed via symmetric or asymmetric encryption methods as necessary to ensure data security, but this has performance impact, and is only used for specific data, and does not suggest wide-range use.
The embodiment of the invention also provides an industrial micro-service data interaction method for the end edge cloud, as shown in fig. 1, the end-side equipment transmits data to a server deployed on an edge layer, and the end-side equipment in the implementation can be selected from a machine tool and the like; the edge operation service deployed in the edge layer stores and processes the data, and takes the device parameter as the data to be uploaded by taking the device parameter as an example. The gateway is used for user authentication and establishing long connection to be matched with the cloud task queue. And the cloud service acquires the ground terminal equipment parameters through long connection, and calls the ground terminal equipment configuration service to perform production configuration on the corresponding equipment parameters.
Referring to fig. 5, a schematic diagram of flow control in an "end edge cloud" architecture is shown. If the service E responds to overtime due to bearing excessive pressure, the service C and the service D overtime, and the service A and the service B cannot operate due to continuous inrush requests, so that the whole system is broken down; if the flow control can be set in the service E, when the requests reach a certain number, the subsequent requests are stopped from entering, and the blocked requests are degraded, so that the system can be protected from being crashed.
Referring to fig. 6, which is a schematic diagram of a dynamic configuration in an "edge cloud" architecture, through the planning of a configuration center and a client, a push or pull mode can be used to obtain an immediate configuration change, and the configuration change can be effective without restarting the system.
The embodiment of the invention provides an industrial micro-service system of end edge cloud and a data interaction method, wherein the existence of long connection can realize accurate positioning from a cloud end to a ground end, and is not influenced by the network environment of ground end equipment on the premise of setting a safety mechanism; the availability of the whole system is effectively improved by arranging the availability module, the stability of the connection and the delivery of information are ensured by arranging the real-time module, and the security of the login user and the security of data transmission are ensured by arranging the security module and encrypting data.
Those skilled in the art will appreciate that, in addition to implementing the system and its various devices, modules, units provided by the present invention as pure computer readable program code, the system and its various devices, modules, units provided by the present invention can be fully implemented by logically programming method steps in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Therefore, the system and various devices, modules and units thereof provided by the invention can be regarded as a hardware component, and the devices, modules and units included in the system for realizing various functions can also be regarded as structures in the hardware component; means, modules, units for performing the various functions may also be regarded as structures within both software modules and hardware components for performing the method.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (7)
1. An end edge cloud industrial microservice system, comprising:
ground end gateway and long connecting module in high in clouds: the gateway sends an authorization code during micro service deployment to identity recognition and access management, the cloud adapter returns a queue ID, authentication information and server information, and a designated long connection queue is selected for the next data transmission work;
an availability module: the manager can obtain the corresponding information from the system to perform necessary analysis and decision;
a real-time module: adjusting the operation parameters and configuration in real time, and monitoring the system operation and resource consumption in real time to ensure the information transmission and normal operation;
the system further comprises a security module: the safety of a login user and the safety of data transmission are ensured, and data are encrypted;
ground end gateway and the long connecting module in high in the clouds include:
cloud calling the ground: the cloud end calls the ground end through the long connection server by the appointed channel ID, and the ground end responds to the cloud end through the gateway;
the ground terminal calls a cloud terminal: the address of the cloud is stored in the ground, and the call can be directly carried out by adopting an HTTPS request mode;
the availability module includes:
and (3) a load balancing mechanism: all services in the industrial micro-service platform can run under multi-instance configuration and perform request transduction so as to achieve load balancing;
the fusing degradation mechanism: isolating the failed node, forwarding the request to other instances, or performing degradation processing on the condition assigned to the failed node until the node recovers normal operation;
the flow control mechanism comprises: under the condition that the key service cannot respond normally due to the overload, the key service is protected, and the whole system is ensured not to be broken down;
dynamic capacity expansion mechanism: the dynamic capacity expansion mechanism enables the industrial micro-service system to increase specific service nodes under the condition of not stopping service when partial nodes fail or the whole bearing capacity is insufficient, thereby ensuring the bearing capacity and the availability of the system.
2. The end edge cloud industrial microservice system of claim 1, wherein the ground gateway and cloud end connection module further comprises: the cloud queries the registration list through the user's ID or address port.
3. The end-edge cloud industrial microservice system of claim 1, wherein the long connection between the ground gateway and the cloud long connection module is used for cloud calls to the service placed at the ground; the long connection receives a request of the cloud service, and calls a corresponding ground service according to the service context to acquire related data.
4. The end edge cloud industrial microservice system of claim 1, wherein the real-time module comprises:
dynamic configuration: temporarily adjusting the requirements of operating parameters or configuration in an operating mode that service stopping is not allowed;
and (3) stable connection: through a mechanism of long connection between the ground gateway and the cloud end, the stability of the connection line is ensured and the information delivery is ensured;
and (3) state monitoring: the real-time status of the operation and resource consumption of the monitoring system is convenient for real-time resource allocation and control and management, and the normal operation of the whole system is ensured.
5. The end edge cloud industrial microservice system of claim 2, wherein the security module comprises:
and (4) access security: the login user carries out identity information verification, and carries out authorization control on each user accessing the corresponding microservice, limits login times and recovers due; users who are not logged in and authorized cannot access the corresponding service;
and (4) transmission safety: the data transmission is encrypted by SSL/TLS;
data encryption: data stored in the storage medium is encrypted by a symmetric or asymmetric encryption method.
6. An industrial microservice system data interaction method of an end edge cloud, which is characterized in that the industrial microservice system based on the end edge cloud of any one of claims 1-5 comprises the following steps:
step S1: the ground terminal equipment transmits the data to a server deployed on an edge layer;
step S2: the edge operation service deployed in the edge layer stores and processes the data;
step S3: a gateway deployed at the ground end carries out user authentication, and long connection is established to be matched with a cloud task queue;
step S4: and the cloud service acquires the ground terminal equipment parameters through long connection, and calls the ground terminal equipment configuration service to perform production configuration on the corresponding equipment parameters.
7. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method as claimed in claim 6.
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