CN109981350B - Uninterrupted upgrading method and system for cloud service - Google Patents

Uninterrupted upgrading method and system for cloud service Download PDF

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Publication number
CN109981350B
CN109981350B CN201910157475.4A CN201910157475A CN109981350B CN 109981350 B CN109981350 B CN 109981350B CN 201910157475 A CN201910157475 A CN 201910157475A CN 109981350 B CN109981350 B CN 109981350B
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upgrading
server cluster
database
user
routing
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CN109981350A (en
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王加位
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CHANJET INFORMATION TECHNOLOGY CO LTD
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CHANJET INFORMATION TECHNOLOGY CO LTD
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
    • H04L41/082—Configuration setting characterised by the conditions triggering a change of settings the condition being updates or upgrades of network functionality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
    • H04L67/63—Routing a service request depending on the request content or context
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/302—Route determination based on requested QoS
    • H04L45/306—Route determination based on the nature of the carried application

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stored Programmes (AREA)

Abstract

The application discloses a cloud service uninterrupted upgrading method, which comprises the following steps: preparing an operating environment; designing upgrading time; setting a routing rule and a routing identifier, and routing different user requests to different server clusters; updating the application program on the gray server cluster to the latest version to be updated currently; the databases to be upgraded are divided into four groups according to the behavior characteristics of users: sleep user database, active user database, user database for continuous use, special user database; after the user account is updated, starting to update the formal application server cluster; upgrading a formal service application server cluster; updating the business servers and part of routing servers of all formal production environments from an automatic release system; updating the rest of the route servers; modifying the route mark; the route flag is restored to the pre-upgrade value. The method and the device can be applied to all systems needing to be upgraded, and the upgrading of the 7x 24-hour uninterrupted service of the system can be easily realized.

Description

Uninterrupted upgrading method and system for cloud service
Technical Field
The invention relates to the field of system upgrading, in particular to a method and a system for uninterrupted upgrading of cloud services.
Background
Currently, saas services of a plurality of enterprise-level applications prompt a user to upgrade a system in a certain time period when the system needs to be upgraded, and pause the services;
in many cases, because the business needs of enterprises, the businesses of different enterprises occur at different time points, for example, the most busy time of the business of aquatic wholesale enterprises occurs in the early morning, and the business of commercial enterprises mainly occurs in the daytime, so that the Saas service cannot be simultaneously stopped to meet the normal business needs of different enterprises.
In the prior art, only a simple service deployment node is upgraded in batches, or an old version is destroyed after a new version is upgraded, so that the coexistence of the new version and the old version cannot be realized, and uninterrupted user service of the old version cannot be ensured.
Disclosure of Invention
It is an object of the present application to overcome or at least partially solve or alleviate the above-mentioned problems.
According to one aspect of the application, there is provided a method for uninterrupted upgrading of cloud services, including the following steps: s1: preparing an operating environment; s2: designing upgrading time; s3: setting a routing rule and a routing identifier, and routing different user requests to different server clusters; s4: updating the application program on the gray server cluster to the latest version to be updated currently; s5: the databases to be upgraded are divided into four groups according to the behavior characteristics of users: sleep user database, active user database, user database for continuous use, special user database; s6: upgrading the databases in batches, and updating the routing identifiers of the corresponding databases at the same time after the databases are upgraded; s7: after the user account database is upgraded, starting to upgrade the application server cluster in the formal environment; s8: upgrading the formal application server cluster; updating service servers and part of route server clusters of all formal production environments from an automatic release system; s9: after the updating is successful, the rest route servers are updated again; s10: after the updating is successful, the program versions on the formal server and the gray server are completely consistent; s11: modifying the route mark; and restoring the routing mark into a value before upgrading, so that subsequent user requests are prevented from being routed to the gray server cluster.
Optionally, step S1 includes: s11: providing a plurality of groups of application server clusters, and routing requests to different application server clusters by different types of users according to formulated routing rules when using the system; s12: according to different functions provided by the application server cluster in different stages, the application servers are divided into: formal server cluster, gray server cluster, excessive server cluster, and special server cluster; s13: the formal server cluster provides normal online service; after the gray server cluster is used for upgrading the common client database, the application server cluster is not upgraded to the latest version for use; the excess server cluster is used to provide services for a portion of the particular users during upgrades; the dedicated server cluster is used by a specified user.
Optionally, step S2 includes: planning different upgrading time periods according to different user characteristics; and upgrading the designated user database in the planned time period and upgrading the corresponding application server cluster.
Optionally, the method further comprises: s0: the upgrade environment and data are prepared.
Optionally, step S0 includes: s01: deleting the logged user state in the database which is currently required to be upgraded, so that the operation of someone on the database is avoided while the SQL script is upgraded;
s02: modifying the state of the account cover corresponding to the database which is required to be upgraded currently into an unregisterable state, so that the database is prevented from being logged in by a person while upgrading; s03: executing a database script according to a certain rule, and upgrading the current database; s04: if all the third step data scripts are executed successfully, modifying the route identification of the account cover corresponding to the current database; when a user logs in the system, the routing module directly routes the request to the gray server cluster updated to the latest application program version; s05: a reduced state; restoring the account cover state modified in the second step to a value before upgrading, and ensuring that the account cover state before and after upgrading is consistent;
optionally, before step S3, the method further includes: determining users needing special upgrade, modifying the corresponding route marks of the users, routing all requests to the excessive server cluster when the users log in, and communicating with the determination of the proper upgrade time of the users.
According to another aspect of the application, a cloud service uninterrupted upgrade system is provided, and the method of any one of the above is used.
According to another aspect of the present application there is provided a computer device comprising a memory, a processor and a computer program stored in the memory and executable by the processor, the processor implementing a method as any one of the above when executing the computer program.
According to another aspect of the present application, there is provided a computer readable storage medium, preferably a non-volatile readable storage medium, having stored therein a computer program which, when executed by a processor, implements the method of any of the above.
According to another aspect of the present application, there is provided a computer program product comprising computer readable code which, when executed by a computer device, causes the computer device to perform the method of any of the above.
Compared with the prior art, the cloud service uninterrupted upgrading method can be applied to all systems needing upgrading, such as an online ERP system; the system can be automatically expanded to other applications or fields to realize the upgrading according to the service requirement; by applying the method to different systems, the upgrading of the 7x24 hour uninterrupted service of the system can be easily realized.
The above, as well as additional objectives, advantages, and features of the present application will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present application when read in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present application will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:
FIG. 1 is a flow chart of a method for uninterrupted upgrade of cloud services according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a computer device in one embodiment of the present application;
FIG. 3 is a schematic diagram of a computer readable storage medium in an embodiment of the present application.
Detailed Description
Referring to fig. 1, fig. 1 is a flow chart illustrating a method for continuously upgrading a cloud service according to an embodiment of the present application. In an embodiment of the present application, a method for continuously upgrading cloud services includes the following steps: s1: preparing an operating environment; s2: designing upgrading time; s3: setting a routing rule and a routing identifier, and routing different user requests to different server clusters; s4: updating the application program on the gray server cluster to the latest version to be updated currently; s5: the databases to be upgraded are divided into four groups according to the behavior characteristics of users: sleep user database, active user database, user database for continuous use, special user database; s6: upgrading the databases in batches, and updating the routing identifiers of the corresponding databases at the same time after the databases are upgraded; s7: after the user account database is upgraded, starting to upgrade the application server cluster in the formal environment; s8: upgrading a formal service application server cluster; updating the business servers and part of routing servers of all formal production environments from an automatic release system; s9: after the updating is successful, the rest route servers are updated again; s10: after the updating is successful, the program versions on the formal server cluster and the gray server cluster are completely consistent;
in an embodiment of the present application, step S1 includes: s11: providing a plurality of groups of application server clusters, and routing requests to different application server clusters by different types of users according to formulated routing rules when using the system; s12: the application servers are divided into: formal server cluster, gray server cluster, excessive server cluster, and special server cluster; s13: the formal server cluster provides normal online service; after the gray server cluster is used for upgrading the common client database, the application server cluster is not upgraded to the latest version for use; the excess server cluster is used to provide services for a portion of the particular users during upgrades; the dedicated server cluster is used by a specified user.
In an embodiment of the present application, step S2 includes: planning different upgrading time periods according to different user characteristics; and upgrading the designated user database and upgrading the corresponding application server in the planned time period.
In an embodiment of the present application, further includes: s0: the upgrade environment and data are prepared.
In an embodiment of the present application, step S0 includes: s01: deleting the logged user state in the database which is currently required to be upgraded, so that the operation of someone on the database is avoided while the SQL script is upgraded; s02: modifying the state of the account cover corresponding to the database which is required to be upgraded currently into an unregisterable state, so that the database is prevented from being logged in by a person while upgrading; s03: executing a database script according to a certain rule, and upgrading the current database; s04: if all the third step data scripts are executed successfully, modifying the route identification of the account cover corresponding to the current database; when a user logs in the system, the routing module directly routes the request to the gray server updated to the latest application program version; s05: a reduced state; and restoring the account cover state modified in the second step to a value before upgrading, and ensuring that the account cover state before and after upgrading is consistent.
In an embodiment of the present application, before step S3, the method further includes: determining users needing special upgrade, modifying the corresponding route marks of the users, and routing all requests to an excessive server when the users log in and communicating with the determination of the proper upgrade time of the users.
The application also provides a cloud service uninterrupted upgrading system, and the method is used.
Referring to fig. 2, the present application further provides a computer device, including a memory, a processor, and a computer program stored in the memory and executable by the processor, where the processor implements the method of any one of the above when executing the computer program.
Referring to fig. 3, the present application further provides a computer readable storage medium, preferably a non-volatile readable storage medium, having stored therein a computer program which, when executed by a processor, implements the method of any of the above.
Referring to fig. 3, the present application further provides a computer program product comprising computer readable code, wherein the computer readable code, when executed by a computer device, causes the computer device to perform the method of any of the above claims.
1. Upgrade strategy
In order to realize uninterrupted cloud service, the invention formulates different technical strategies to solve the uninterrupted upgrading method of the cloud service in different scenes.
These strategies include: upgrading a database, upgrading common user cloud services, upgrading special user cloud services and continuously upgrading services under the scene that new and old versions of services coexist;
the detailed solution is implemented in the following steps.
2. Analyzing user behavior characteristics
According to the historical use condition of the user, the use characteristics of the user are analyzed to find out the use rule of the user, and the user who does not use the system in the upgrading time period, the user who uses the system in the daytime working time and does not use the system in the off-duty time, the user who continuously uses the system and the special user are summarized.
3. Upgrading method
1 preparation of the runtime Environment
a) Providing a plurality of groups of application servers, and routing requests to different application server clusters by different types of users according to formulated routing rules when using the system, wherein a detailed routing method is shown in a patent CN 201711288135.2;
b) According to different functions provided by the application server cluster in different stages, the application servers are divided into: formal server cluster, gray server cluster, excessive server cluster, and special server cluster;
c) The formal server cluster provides normal online service; after the gray server cluster is used for upgrading the client database, the formal application server cluster is not upgraded to the latest version for use; the excess server cluster is used to provide services for a portion of the particular users during upgrades; the special server cluster is used by a specified user;
2 upgrade time design
Planning different upgrading time periods according to different user characteristics; upgrading the appointed user database in the planned time period and upgrading the corresponding application server cluster;
3 upgrade procedure
a) Setting a routing rule, designing a routing identifier, and supporting different user requests to be routed to different servers, wherein the method is shown in CN 201711288135.2;
b) Updating the application program on the gray server cluster to the latest version to be updated currently;
c) The databases to be upgraded are divided into four groups according to the behavior characteristics of users: sleeping user databases (databases not used in the current stage), active user databases (not used in a certain stage), continuously used user databases, special user databases;
d) Starting the upgrade, the upgrade process is shown in FIG. 1
Before upgrading, the method needs to prepare upgrading environment and data, judges whether the current database to be upgraded is already upgraded according to the database information in the grouping information, and reads the information of the database to be upgraded if the current database to be upgraded is required to be upgraded.
The first step: deleting the logged user state in the database which is currently required to be upgraded, avoiding someone operating the database while executing the upgrade SQL script
And a second step of: modifying the state of the account cover corresponding to the database which is required to be upgraded currently into an unregisterable state, so that the database is prevented from being logged in by a person while upgrading;
and a third step of: executing the database script according to a certain rule, and upgrading the current database
Fourth step: if all the third step data scripts are executed successfully, modifying the route identification of the account cover corresponding to the current database; when a user logs in the system, the routing module directly routes the request to the gray server cluster updated to the latest application program version;
fifth step: a reduced state; restoring the account cover state modified in the second step to a value before upgrading, and ensuring that the account cover state before and after upgrading is consistent;
4 special user upgrades
Upgrades to normal users are performed according to 3), but for some special users, because the time of using the system is different from the time of using the system by most users, different schemes need to be provided for the users;
the first step: determining users needing special upgrade, modifying the route marks corresponding to the users, and routing all requests to an excessive server cluster when the users log in;
and a second step of: communicating to determine the proper upgrading time of the user, and executing upgrading operation according to the upgrading process 3) at the determined time;
5, after finishing upgrading the user account, starting to upgrade the application server cluster;
upgrading a service application server cluster; updating the service server clusters and partial routing servers of all formal production environments from an automated release system;
7, after the updating is successful, updating the rest route servers;
8, modifying the route mark; the routing flag is restored to the pre-upgrade value, avoiding the user request from being routed to the gray server.
Through the technical scheme of the application, the following beneficial effects can be achieved:
1) The invention mainly solves the problem of service interruption during the upgrading of the Saas service;
2) The invention also solves the problem of how to upgrade the database of the user with a non-simple service upgrade method under the condition that the isolation level of the database is independent;
3) The invention solves a method how to continuously provide service for different enterprises in the system upgrading stage without being influenced by upgrading to cause service interruption.
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed by a computer, produces a flow or function in accordance with embodiments of the present application, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in or transmitted from one computer-readable storage medium to another, for example, by wired (e.g., coaxial cable, optical fiber, digital Subscriber Line (DSL)), or wireless (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains an integration of one or more available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid State Disk (SSD)), etc.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative elements and steps are described above generally in terms of function in order to clearly illustrate the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
Those of ordinary skill in the art will appreciate that all or some of the steps in implementing the methods of the above embodiments may be implemented by a program that instructs a processor to perform the steps, and the program may be stored in a computer readable storage medium, where the storage medium is a non-transitory (english) medium, such as a random access memory, a read-only memory, a flash memory, a hard disk, a solid state disk, a magnetic tape (english), a floppy disk (english), an optical disc (english), and any combination thereof.
The foregoing is merely a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present application should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (7)

1. The uninterrupted upgrading method of the cloud service is characterized by comprising the following steps of:
s1: preparing an operating environment;
s2: designing upgrading time;
s3: setting a routing rule and a routing identifier, and routing different user requests to different server clusters;
s4: updating the application program on the gray server cluster to the latest version to be updated currently;
s5: the databases to be upgraded are divided into four groups according to the behavior characteristics of users: sleep user database, active user database, user database for continuous use, special user database;
s6: upgrading the databases in batches, and updating the routing identifiers of the corresponding databases at the same time after the databases are upgraded;
s7: after the user account database is upgraded, starting to upgrade the application server cluster in the formal environment;
s8: upgrading a formal service application server cluster; updating the business servers and part of routing servers of all formal production environments from an automatic release system;
s9: after the updating is successful, the rest route servers are updated again;
s10: after the updating is successful, the program versions on the formal server cluster and the gray server cluster are completely consistent;
s11: modifying the route identification; restoring the route identifier into a value before upgrading, and avoiding subsequent user requests from being routed to the gray server cluster;
the step S1 comprises the following steps:
s12: providing a plurality of groups of application server clusters, and routing requests to different application server clusters by different types of users according to formulated routing rules when using the system;
s13: the application servers are divided into: formal server cluster, gray server cluster, excessive server cluster, and special server cluster;
s14: the formal server cluster provides normal service before online upgrading; after the gray server cluster is used for upgrading the general client database, the application server cluster is not upgraded to the latest version for use; the excess server cluster is used to provide services for a portion of the particular users during upgrades; the dedicated server cluster is used by a specified user.
2. The method for uninterrupted upgrade of cloud services according to claim 1, wherein step S2 comprises: planning different upgrading time periods according to different user characteristics; and upgrading the designated user database in the planned time period and upgrading the corresponding application server cluster.
3. The method for uninterrupted upgrade of cloud services according to claim 2, further comprising:
s0: the upgrade environment and data are prepared.
4. The method for uninterrupted upgrade of cloud services according to claim 3, wherein step S0 comprises:
s01: deleting the online state of the logged-in user in the database which is currently required to be upgraded, so that the operation of a person on the current database is avoided when the SQL script is upgraded;
s02: modifying the state of the account cover corresponding to the database which needs to be updated currently into a non-login state, so that the problem that people login the database while updating and unpredictable generation are avoided;
s03: executing a database script according to a certain rule, and upgrading the current database;
s04: if S03 is executed successfully according to the script, modifying the route identification of the account cover corresponding to the current database; when a user logs in the system, the routing module directly routes the request to the gray server cluster updated to the latest application program version;
s05: a reduced state; and restoring the state of the account cover modified in the step S02 to a value before upgrading, and ensuring that the states of the account covers before and after upgrading are consistent.
5. The method for uninterrupted upgrade of cloud services according to claim 4, further comprising, before step S3: and determining users needing special upgrade, communicating with the user to determine the proper upgrade time, modifying the route identifications corresponding to the users, and routing all requests to the excessive server cluster when the users log in.
6. A computer device comprising a memory, a processor and a computer program stored in the memory and executable by the processor, wherein the processor implements the method of any of claims 1-5 when executing the computer program.
7. A computer readable storage medium, being a non-volatile readable storage medium, in which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the method according to any of claims 1-5.
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CN110609701A (en) * 2019-08-29 2019-12-24 凡普数字技术有限公司 Method, apparatus and storage medium for providing service
CN110572284B (en) * 2019-08-30 2022-05-13 华为云计算技术有限公司 Method, device and system for upgrading virtual network element
CN113391759B (en) * 2020-03-13 2024-04-09 华为云计算技术有限公司 Communication method and equipment
CN111427889A (en) * 2020-03-23 2020-07-17 北京三体云时代科技有限公司 Method and device for upgrading database table and server
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