CN112596955A - Emergency processing system and method for processing large-scale system emergency in cloud computing - Google Patents
Emergency processing system and method for processing large-scale system emergency in cloud computing Download PDFInfo
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Abstract
The invention belongs to the technical field of cloud computing, security and network communication; the invention provides an emergency processing system and method for processing large-scale system emergencies in cloud computing, wherein the application system in a network environment inevitably has bugs, the main server of the application system has safety risks of downtime, webpage tampering, unsafe application program interfaces and the like, and the IO processing capacity of the main server is low, so that the computing service provided by the main server to the outside is limited, according to the state and information extracted from the historical pages transmitted in the network, a static page set of the application system is automatically formed, when the main server is down, the emergency processing system actively provides the response function of the static page to the outside, and when the user actively closes the application system providing the service to the outside, the invention provides uninterrupted static display pages to the outside, completes the response function of the pages, and effectively improves the capability of the application system to continuously provide static page services to the outside in emergency.
Description
Technical Field
The invention relates to the technical field of network information safety and network fault emergency processing, in particular to an emergency processing system and method for processing large-scale system emergencies in cloud computing.
Background
With the maturity and wide application of network technology and environment, the construction of each application platform is continuously expanded, the application system in the network environment has inevitable bugs, and hackers often attack websites for some purpose, so that the application system cannot provide services to the outside; at present, the main countermeasure for the above problem is to close the service provided by the application system to the outside, and after the system is repaired, provide the service to the outside again; in the process, the image and the public credibility of the country and the enterprise are damaged, how to automatically switch to a standby emergency processing system when the application system cannot provide services to the outside, the standby system completes the subsequent emergency scheme of network response, the original application system is temporarily taken over to complete the response function of the network, and the improvement of the reliability of the application system is an urgent problem to be solved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an emergency processing system and an emergency processing method for processing large-scale system emergencies in cloud computing.
In order to achieve the purpose, the invention provides the following technical scheme:
an emergency processing system for processing large-scale application system emergencies in cloud computing comprises an emergency processing system with automatic page information acquisition and analysis capability, a page acquisition and analysis module and a server downtime fault tolerance module, wherein: the emergency processing system is used for acquiring page information of a designated application system in a network, completing analysis of page contents while acquiring the information, automatically storing page data, summarizing all the page information and finally completing local persistence processing of the page data; when the emergency processing system finishes page information acquisition, after a main server of the application system is down, the emergency processing system actively finishes network response work of the static page; when the main server is attacked by the network, the firewall redirects all network requests to the emergency processing system, and the emergency processing system responds to subsequent network requests; the page acquisition and analysis module adopts a packet capturing function library to realize the capturing and analysis of the response page content of the server of the appointed application system in the local area network, automatically form a static page file and persistently store the static page file locally; and the server downtime fault-tolerant module is used for automatically forwarding the web application request to the emergency processing system by using a downtime fault-tolerant mechanism of the nginx server after the main server is crashed, and the emergency processing system completes subsequent web response work.
Furthermore, the page acquisition and analysis module comprises a page capture function module, the page capture function module analyzes and stores the contents captured from the network in a classified manner every time, and a page storage structure of the application system is formed according to links contained in the page.
Further, the page storage structure of the application system adopts a flat file organization form.
Furthermore, the emergency processing system adopts an automatic IO layered storage response mechanism to improve the response speed of network response, divides the IO layered storage response mechanism into a high-speed IO layer and a low-speed IO layer, carries out real-time statistics, is respectively used for storing active data and inactive data, and completes automatic migration between the high-speed IO layer and the low-speed IO layer according to the activity of a storage object.
Further, after the emergency processing system is started, the emergency processing system starts the local file monitoring function module, and the static page stored in the emergency processing system conforms to the page data transmitted on the network.
Further, the emergency processing system adopts the object storage of the storage system suitable for the static page data, stores the data in a mode of expanding the application system into a cluster, and completes the quick retrieval, query and analysis of the page data.
Further, the emergency processing system uses a multiplexing IO interface, and the local response module completes the response of the static page and the network transmission work.
Further, the emergency processing system adopts a multi-level storage technology to realize the selection of the storage positions of different static pages.
Furthermore, a fine-grained file monitoring module is arranged in the emergency processing system, and the object file monitoring function of a single application system level is realized.
An emergency method for processing large-scale system emergencies in cloud computing is based on the emergency processing system for processing large-scale application system emergencies in cloud computing, a static page set of an application system is automatically formed by using a downtime fault tolerance mechanism according to states and information extracted from historical pages transmitted in a network, and the emergency processing system actively provides a response function of the static page to the outside under the condition that a main server is crashed, and the emergency processing method specifically comprises the following steps:
step 1, a user submits an application system backup task through a Web page and carries out persistence processing on the specified application system backup task in the task; the emergency processing system starts to perform real-time packet capturing analysis on a communication line in a network by loading a backup task, and performs localized processing on the filtered page information to complete the structure and level analysis on the page content;
step 2, processing the analyzed page according to the data structure of the object to finish the flat storage and the local storage;
step 3, the emergency processing system can count the static page access times in real time, realize the statistics of the page access activity and follow the migration work of the objects in the fast layer and the slow layer in real time;
step 4, when the main server providing the service to the outside stops providing the service to the outside, the application requests of all the application systems are automatically positioned on the emergency processing system through the downtime fault tolerance mechanism, and the emergency processing system starts the file monitoring module according to the formed static page structure to prevent the static page from being modified or deleted again;
and 5, the emergency processing system provides response service of the static page to the outside to complete the emergency treatment requirement of the application system.
In conclusion, the invention has the following beneficial effects:
the whole system is constructed by using a mode of 'proxy server + static page response', the overall stability and safety of the application system are improved by adopting a multiplexing technology and a file monitoring mode, and the multiplexing technology brings a larger number of concurrency and response capabilities; by adopting a flat file organization structure and an object storage mode, the high expansibility, the high reliability, the high performance and the like of the emergency processing system are improved, so that the emergency processing system can be suitable for a large-scale application system in a cloud computing environment; the response efficiency of the emergency processing system is improved by the automatic IO layered storage response mechanism; the automatic migration of data based on the liveness guarantees the realization of a layered storage mechanism in the emergency processing system.
The emergency processing system solves the problem that the external service supply is directly stopped after the shutdown of the server in the traditional application system, and improves the stability and the safety of the application system; the method and the solution reduce equipment purchase cost, reduce operation and maintenance cost, provide a feasible solution for emergency of a large-scale application system in a cloud computing environment, improve emergency management capacity and event processing capacity of the application system, improve work execution efficiency, improve emergency processing efficiency and guarantee continuous operation of a key business system.
Drawings
FIG. 1 is a schematic diagram of an object storage structure;
FIG. 2 is a schematic diagram of IO hierarchical storage;
FIG. 3 is a flow chart of a method of the present invention;
fig. 4 is a schematic view of the construction method of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, an emergency processing system for processing a large-scale system emergency in cloud computing includes: the system comprises an emergency processing system with automatic page information acquisition and analysis capability, a page acquisition and analysis module and a server downtime fault-tolerant module.
The emergency processing system is used for acquiring page information of a designated application system in a network, completing analysis of page content while acquiring the information, automatically storing page data, generating a static page flattening organization structure of the designated application system, summarizing all the page information and finally completing local persistence processing of the page data; when the emergency processing system finishes page information acquisition, the response work of the static page needs to be actively finished after the main server of the application system is down.
A fine-grained file monitoring module is arranged in the emergency processing system, and the object file monitoring function of a single application system level is achieved. When the emergency processing system provides network service to the outside, the emergency processing system is automatically switched to a file monitoring state. Under the file monitoring state, the page information cannot be modified, and the risk that the static page is attacked by hackers again to cause secondary replacement or deletion of the page is prevented.
And the page acquisition and analysis module adopts a packet capturing function library to realize the capturing and analysis of the response page content of the server of the specified application system in the local area network, automatically form a static page file and persistently store the static page file locally.
The page acquisition and analysis module comprises a page capture function module, the page capture function module analyzes and stores the contents captured from the network in a classified mode every time, and a page storage structure of the application system is formed according to links contained in the page.
In the page persistence processing process of the application system, the emergency processing system abandons the traditional tree-shaped storage mode, adopts the storage mode of object storage, analyzes and counts according to the content of the pages in the network, and respectively stores different pages of different servers to corresponding positions; the data mechanism of the object consists of three parts: the system comprises an object ID, object metadata and object content, wherein the object ID is a unique serial number which can identify an object and is generated by the system; metadata of an object is a field that holds description information and statistical information of the object; the static information of the pages is stored in the object content, each page is stored locally in an object form through analyzing and counting page data in a network, a page storage structure adopts a flat object storage organization form, an emergency scheme of a large-scale application system is supported, and equipment purchase cost is reduced to a great extent; with the advent of the cloud storage era, the scale and the number of systems stored in a network are continuously enlarged, the defect that the information organization form of the traditional tree-shaped organization structure is difficult to expand in a large scale is exposed, the emergency processing system abandons the tree-shaped file storage mode, samples the flattened file organization form, can realize approximately infinite capacity expansion, meets the requirement of mass data in a cloud computing environment, and better accords with a storage, filing and backup system oriented to cloud computing. The interface of the object storage of the emergency processing system is divided into three-level storage: Host/APP/object, which solves the problems of the traditional tree storage structure and meets the requirements of storage, archiving and backup facing to cloud service.
And the server downtime fault-tolerant module adopts the main and standby server downtime fault-tolerant modules provided by nginx to realize that the web application request is automatically transmitted to the emergency processing system by using the downtime fault-tolerant mechanism of the nginx server after the main server is crashed, and the emergency processing system finishes subsequent web response work. During the downtime of the main server, when the emergency processing system provides service to the outside, the emergency processing system synchronously starts the local file monitoring function module, and the static page stored in the emergency processing system is consistent with the page data transmitted on the network, so that the local static page file is prevented from being tampered secondarily; meanwhile, nginx can also provide the functions of reverse proxy and load balancing, and the overall stability of the application system is integrally provided.
The emergency processing system can be combined with the functions of a firewall and safety software to protect the information of the back-end server and the database from being attacked illegally and provide uninterrupted service to the outside. When the firewall or the security software finds that the main server of the application system is attacked, but the application system cannot be stopped, the externally provided service is interrupted, all network requests are redirected to the emergency processing system by the firewall, the emergency processing system responds to subsequent network requests, the risks that the local static page file is secondarily tampered and sensitive data is stolen are prevented, and the overall security and the stability of the application system are enhanced.
The emergency processing system automatically completes data migration according to the liveness of webpage data, utilizes the characteristics of object storage to perform real-time statistics on the liveness of page access in the original system, when the liveness of a certain page in a period of time exceeds or is lower than a set threshold, automatically migrates between a high-speed IO layer and a low-speed IO layer according to the liveness of a storage object, as shown in figure 2, when the emergency processing system responds to a network request, an automatic IO layered storage response mechanism is adopted to improve the response speed of network response, a first layer can be set as a fast storage device such as SSD device, a second layer is a slow storage device such as HDD device, multi-level storage is performed to improve the response speed of network response, hardware cost is reduced, the HDD device replaced by the old device can be used, the IO layered storage response mechanism is divided into the high-speed IO layer and the low-speed IO layer, the emergency processing system is used for storing active data and inactive data respectively, and the overall processing efficiency of the emergency processing system is improved. The client request is transparent to the data request process, the emergency processing system determines that the client request is sent to the high-speed storage layer or the storage layer, and the high-speed IO layer and the low-speed IO layer complete automatic migration according to the activity counted in the page storage object.
The emergency processing system uses a multiplexing IO interface technology, and the local response module completes the response and network transmission work of the static page, so that the response capability of the static page under the condition of processing a large number of concurrent situations is obviously improved, and the bottleneck of small concurrent load carried by a single server middleware during emergency is eliminated.
The emergency processing system adopts the object storage of a storage system suitable for static page data, stores the data in a mode of expanding an application system into a cluster, and realizes the rapid retrieval and query analysis work of the page data; when a static page needs to be read and transmitted through a network, firstly, cache information in a memory is inquired, and when the cache information is searched and hit, the cache information is directly read from a storage area; if the static page is not in the storage area, the static page storage information in the hard disk is loaded, meanwhile, a plurality of pieces of static page information in the hard disk are loaded simultaneously according to the principle of obtaining the sequence and the locality of the page, and the problem of time waste caused by different storage positions in the static page reading process is solved through a multi-level storage technology.
The system carries out overall application architecture design according to the idea of 'one control and four-layer architecture':
one control: the management configuration center provides the input of domain names or main server IP, the setting of acquisition parameters, the function maintenance of adding, deleting, changing, checking, starting, stopping and the like of tasks, account management, authority management and the like.
A four-layer architecture: the system comprises an account authentication management layer, a resource access channel, a functional component layer and a resource access layer, wherein the account authentication management layer, the resource access channel, the functional component layer and the resource access layer are used for respectively realizing the functions of account authentication management, the management function of a safety control center on task nodes and the functions of page grabbing and task issuing, and the resource access layer is used as a data channel during task execution.
The system can also be applied to other fields:
cloud service: the scanning service is provided in a SaaS mode, is used for emergency treatment of a large-scale application system, and has good elasticity and expansibility.
Application system operation mode of the important period: in a sensitive period or an important period, an administrator can actively close the main server, and an emergency processing system is adopted to provide a static page externally, so that the overall stability and safety of the application system are improved.
Multiple programming languages cooperate: and (3) adopting a module principle of high cohesion and low coupling, considering the requirements of the system on the speed between different modules and the difference of the richness of library functions of different programming languages, and adopting a plurality of programming languages to realize each functional module. The programming time is greatly shortened by utilizing the characteristics between different programming languages.
Expansibility: the expandability and the portability are strong.
The invention also discloses an emergency method for solving the problem of processing large-scale application system emergencies in the cloud computing environment, which utilizes the emergency processing system to automatically form a static page set of the application system by using a downtime fault-tolerant mechanism and extracting states and information from historical pages transmitted in a network, and actively provides a response function of the static page to the outside under the condition that a main server of the application system is crashed, and specifically comprises the following steps:
step 1, a user submits an application system backup task through a Web page and carries out persistence processing on the specified application system backup task in the task; and the emergency processing system starts to perform real-time packet capturing analysis on a communication line in the network by loading a backup task, and performs localized processing on the filtered page information to complete the structure and level analysis on the page content.
And 2, processing the analyzed page according to the data structure of the object to finish the flat storage and the local storage.
And 3, the emergency processing system can count the static page access times in real time, realize the statistics of the page access activity and follow the migration work of the objects in the fast layer and the slow layer in real time.
Step 4, when the main server providing the external service stops providing the external service, the application requests of all the application systems are automatically positioned on the emergency processing system through the downtime fault tolerance mechanism, and the emergency processing system starts the file monitoring module according to the formed static page structure to prevent the static page from being modified or deleted again;
and 5, the emergency processing system provides response service of the static page to the outside to complete the emergency treatment requirement of the application system.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. An emergency processing system for processing large-scale application system emergencies in cloud computing is characterized in that: the system comprises an emergency processing system with automatic page information acquisition and analysis capability, a page acquisition and analysis module and a server downtime fault-tolerant module, wherein:
the emergency processing system is used for acquiring page information of a designated application system in a network, completing analysis of page contents while acquiring the information, automatically storing page data, summarizing all the page information and finally completing local persistence processing of the page data; when the emergency processing system finishes page information acquisition, after a main server of the application system is down, the emergency processing system actively finishes network response work of the static page; when the main server is attacked by the network, the firewall redirects all network requests to the emergency processing system, and the emergency processing system responds to subsequent network requests;
the page acquisition and analysis module adopts a packet capturing function library to realize the capturing and analysis of the response page content of the server of the appointed application system in the local area network, automatically form a static page file and persistently store the static page file locally;
and the server downtime fault-tolerant module is used for automatically forwarding the web application request to the emergency processing system by using a downtime fault-tolerant mechanism of the nginx server after the main server is crashed, and the emergency processing system completes subsequent web response work.
2. The emergency processing system for processing the large-scale application system emergency events in the cloud computing as claimed in claim 1, wherein: the page acquisition and analysis module comprises a page capture function module, the page capture function module analyzes and stores the contents captured from the network in a classified mode every time, and a page storage structure of the application system is formed according to links contained in the page.
3. The emergency processing system for processing the large-scale application system emergency events in the cloud computing as claimed in claim 1, wherein: the page storage structure of the application system adopts a flat file organization form.
4. The emergency processing system for processing the large-scale application system emergency events in the cloud computing as claimed in claim 1, wherein: the emergency processing system adopts an automatic IO layered storage response mechanism, divides the IO layered storage response mechanism into a high-speed IO layer and a low-speed IO layer, carries out real-time statistics, is respectively used for storing active data and inactive data, and completes automatic migration between the high-speed IO layer and the low-speed IO layer according to the activity of a storage object.
5. The emergency processing system for processing the large-scale application system emergency events in the cloud computing according to claim 1 or 4, wherein: after the emergency processing system is started, the emergency processing system starts a local file monitoring function module, and the static page stored in the emergency processing system conforms to the page data transmitted on the network.
6. The emergency processing system for processing the large-scale application system emergency events in the cloud computing as claimed in claim 1, wherein: the emergency processing system adopts the object storage of the storage system suitable for the static page data, stores the data in a mode of expanding an application system into a cluster, and completes the quick retrieval, query and analysis of the page data.
7. The emergency processing system for processing the large-scale application system emergency events in the cloud computing according to claim 1 or 6, wherein: the emergency processing system uses a multiplexing IO interface, and a local response module completes the response of the static page and the network transmission work.
8. The emergency processing system for processing the large-scale application system emergency events in the cloud computing as claimed in claim 7, wherein: the emergency processing system adopts a multi-level storage technology to realize the selection of the storage positions of different static pages.
9. The emergency processing system for processing the large-scale application system emergency events in the cloud computing as claimed in claim 1, wherein: and a fine-grained file monitoring module is arranged in the emergency processing system, so that the object file monitoring function of a single application system level is realized.
10. An emergency method for processing a large-scale system emergency in cloud computing, based on the emergency processing system for processing a large-scale application system emergency in cloud computing of claim 1, characterized in that: by using a downtime fault tolerance mechanism, extracting states and information according to historical pages transmitted in a network, automatically forming a static page set of an application system, and actively providing a response function of the static page by an emergency processing system under the condition that a main server is crashed, the method specifically comprises the following steps:
step 1, a user submits an application system backup task through a Web page and carries out persistence processing on the specified application system backup task in the task; the emergency processing system starts to perform real-time packet capturing analysis on a communication line in a network by loading a backup task, and performs localized processing on the filtered page information to complete the structure and level analysis on the page content;
step 2, processing the analyzed page according to the data structure of the object to finish the flat storage and the local storage;
step 3, the emergency processing system can count the static page access times in real time, realize the statistics of the page access activity and follow the migration work of the objects in the fast layer and the slow layer in real time;
step 4, when the main server providing the service to the outside stops providing the service to the outside, the application requests of all the application systems are automatically positioned on the emergency processing system through the downtime fault tolerance mechanism, and the emergency processing system starts the file monitoring module according to the formed static page structure to prevent the static page from being modified or deleted again;
and 5, the emergency processing system provides response service of the static page to the outside to complete the emergency treatment requirement of the application system.
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