CN110119392A - The method of application switching database IP, storage medium - Google Patents
The method of application switching database IP, storage medium Download PDFInfo
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- CN110119392A CN110119392A CN201910226399.8A CN201910226399A CN110119392A CN 110119392 A CN110119392 A CN 110119392A CN 201910226399 A CN201910226399 A CN 201910226399A CN 110119392 A CN110119392 A CN 110119392A
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- database
- configuration file
- key
- value pair
- application program
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/21—Design, administration or maintenance of databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/25—Integrating or interfacing systems involving database management systems
Abstract
The present invention provides the method for application switching database IP, storage medium, and method includes: preset configuration file, and is uploaded to server specified directory, and configuration file includes key-value pair, and the key of key-value pair is database ip to be replaced, is worth for target database ip；When application program on server carries out database manipulation, class is executed by unified call database, the incoming connection string of parsing obtains database ip, the key-value pair of matching acquired database ip and configuration file, if successful match, the database ip of connection string is replaced with into target database ip according to key-value pair.The present invention can not only efficiently and neatly switch the database ip applied on multiple servers simultaneously；And without being concerned about that database connects string type, switching efficiency is higher, less error-prone；Further, a variety of specific implementations are supported, are more flexible and practicability；Further, moreover it is possible to not influence application performance, cost is also low.
Description
Technical field
The present invention relates to database technical fields, and in particular to the method for application switching database IP, storage medium.
Background technique
The existing CROSS REFERENCE about database ip switching at runtime, in the mostly application being related on multiserver, to institute
On the problem of same database ip used is switched over, there are no an effective and feasible solutions.
Such as application No. is CN201310537530.5, it is entitled " a kind of dynamic switching method based on multiple database and
Device " this patent application, pass through the calling of intercepting system method, carrys out specified database ip.But there are subsequent for the program
The problem of maintenance cost height and reduced performance.Because after in the process of development, adding new method, also constantly to safeguard the configuration
File, and all non-database operating methods will also carry out interception judgement, and application performance will be substantially reduced.Therefore should
Scheme not can effectively solve problem.
Summary of the invention
The technical problems to be solved by the present invention are: the method for application switching database IP, storage medium are provided, it can be not
In the case where influencing application performance, efficiently and neatly switch the database ip applied on multiple servers simultaneously.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
The method of application switching database IP, comprising:
Preset configuration file, and it is uploaded to the specified directory of each server, the configuration file includes key-value pair,
The key of the key-value pair is database ip to be replaced, is worth for target database ip；
When application program on server carries out database manipulation, firstly, the connection string that parsing application program is incoming, obtains
Then the corresponding database ip of application program reads configuration file from the specified directory, then, match acquired data
The key-value pair of library ip and read configuration file, if successful match, according to the key-value pair by it is described connection string data
Library ip replaces with target database ip.
Another technical solution provided by the invention are as follows:
A kind of computer readable storage medium, is stored thereon with computer program, and described program is being read out by the processor simultaneously
When execution, be able to achieve above-mentioned application switching database IP method it is included the step of.
The beneficial effects of the present invention are: by preset configuration file, with key-value pair it is this it is intuitive, facilitate operation and management
Form configure the relationship of database ip and target database ip to be replaced；Application program on the server carries out database
When operation, unified configuration is executed: obtaining application program correspondence database ip and matching configuration file judges whether to be counted
It is replaced according to library ip, recalls database manipulation later.It, can be using unified approach to more with this when there is database ip to switch demand
The database ip that multiple application programs on platform server are connected efficiently, neatly switch, and does not have to be concerned about database
Connect the type of string；Less it is related to the interception of systems approach, thus significantly in the case where not reducing application performance, moreover it is possible to it reduces
Maintenance cost.
Detailed description of the invention
Fig. 1 is the flow diagram of the method for application switching of embodiment of the present invention database IP；
Fig. 2 is the flow diagram of the method for the application switching database IP of the embodiment of the present invention one；
Fig. 3 is the specific logical flow diagram of the data base call method of embodiment one and embodiment two.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained.
The most critical design of the present invention is: default record matching for database ip to be replaced and target database ip relationship
Set file；When application program on server carries out database manipulation, unified configuration is first carried out: obtaining application program corresponding data
Library ip and matching configuration file judge whether to need to carry out database ip replacement, call database manipulation later.
Fig. 1 is please referred to, the present invention provides the method for application switching database IP, comprising:
Preset configuration file, and it is uploaded to the specified directory of each server, the configuration file includes key-value pair,
The key of the key-value pair is database ip to be replaced, is worth for target database ip；
When application program on server carries out database manipulation, firstly, the connection string that parsing application program is incoming, obtains
Then the corresponding database ip of application program reads configuration file from the specified directory, then, match acquired data
The key-value pair of library ip and read configuration file, if successful match, according to the key-value pair by it is described connection string data
Library ip replaces with target database ip.
As can be seen from the above description, the beneficial effects of the present invention are: when database is abnormal, it is able to achieve using unified
The database ip that mode connects multiple application programs on multiple servers quickly, neatly switch, and does not have to close
The type of heart database connection string；Less it is related to the interception of systems approach, thus significantly in the case where not reducing application performance,
Maintenance cost can also be reduced.
Further, when the application program on server carries out database manipulation, by calling preset database to execute
Class executes described firstly, the connection string that parsing application program is passed to, obtains the corresponding database ip of application program, then, from institute
It states specified directory and reads configuration file, then, match the key-value pair of acquired database ip and read configuration file, if
The database ip of the connection string is then replaced with target database ip according to the key-value pair by successful match.
Seen from the above description, realize external (each application program) again by calling by unified database call method class
It when database manipulation demand, is required to realize using this method, realizes efficient, spirit when there is switch data library demand with this
Using connected database ip on switching multiple servers that are living, inexpensive and not influencing application performance.
Further, the database ip by the connection string replaces with target database ip, later, further includes:
According to the action statement that replaced connection string and application program are passed to together in incoming connection string, calls and correspond to
Database operation method.
Seen from the above description, the relevant operation of corresponding new database will be executed according to replaced connection string, it is ensured that
The database manipulation of application normally executes.
Further, the incoming database string of the parsing application program, obtains the corresponding database ip of application program, tool
Body are as follows:
The keyword for connecting string being passed to according to application program obtains corresponding type of database；
The corresponding database ip of application program is extracted according to the type of database.
Seen from the above description, in a specific example, corresponding disparate databases type is solved by Different Rule
Analysis, and the different keywords according to connection string of type of database determine.
It is further, described to read configuration file from the specified directory, specifically:
Judge whether be stored with configuration file in the caching of application program, if so, the configuration file in caching is read, if
It is no, then configuration file is read from the specified directory and is deposited to caching.
Seen from the above description, configuration file can be stored into the caching of each application program in advance, it is quick to realize
It reads, and has flexibility.Specifically, will be extracted from the specified directory of server compared to all application programs, can keep away
Exempt to consume disk io, to effectively improve reading efficiency；And compared to fixed storage in the memory of each application, more flexibly
Property, it does not need to update all application programs when ip changes.
Further, further includes:
The caching time-out time of default application program；
If the storage duration of the configuration file stored in caching is more than the caching time-out time, matching in caching is deleted
Set file.
Seen from the above description, it can avoid reading repeatedly, make database ip with the effective time of flexible setting configuration file
Handover operation execution has timeliness.
Further, the configuration file further includes using with the one-to-one identity property of key-value pair, the identity property
Whether enabled in the corresponding switching law of the mark key-value pair；
It is described when reading configuration file, only to read the corresponding key-value pair enabled of an identity property from the specified directory.
Seen from the above description, a plurality of switching law can be configured in configuration file simultaneously, and is identified by identity property
Whether enable；When reading configuration file, the switching law of starting will be only read.To realize what flexibly configurable currently enabled
Switching law.
Another technical solution provided by the invention are as follows:
A kind of computer readable storage medium, is stored thereon with computer program, and described program is being read out by the processor simultaneously
When execution, be able to achieve above-mentioned application switching database IP method it is included the step of.
As can be seen from the above description, corresponding those of ordinary skill in the art will appreciate that realizing the whole in above-mentioned technical proposal
Or part process, relevant hardware can be instructed to realize by computer program, the program can be stored in one
In computer-readable storage medium, the program is when being executed, it may include such as the process of above-mentioned each method.And the process
Execution will bring following effective effect: by preset configuration file, by key-value pair it is this it is intuitive, facilitate operation and management in the form of
To configure the relationship of database ip and target database ip to be replaced；Application program on the server carries out database manipulation
When, unified configuration first carries out: obtaining application program correspondence database ip and matching configuration file judges whether to need to carry out data
Library ip replacement.Database manipulation is recalled later.It, can be using unified approach to more with this when there is database ip to switch demand
The database ip that multiple application programs on server are connected efficiently, neatly switch, and does not have to be concerned about that database connects
Connect the type of string；Less it is related to the interception of systems approach, thus significantly in the case where not reducing application performance, moreover it is possible to reduce dimension
Protect cost.
Embodiment one
The present embodiment provides the methods of application switching database ip more on multiserver a kind of, can have database ip
When switching demand, the mostly application of the identical database ip used is allowed on multiserver quickly and efficiently to switch to specified
Database ip.
Referring to Fig. 2, method includes:
Firstly, preset configuration file (xml), and the specified directory that configuration file is uploaded to each server is stored.
Wherein, the configuration file includes the key-value pair of at least one, and the key of each key-value pair is database to be replaced
Ip is worth for target database ip；One key-value pair corresponds to a switching law, supports to pass through while configuring in a configuration file
Multiple key-value pairs are pre-configured a plurality of switching law to realize.
If being stored with multiple key-value pairs simultaneously in configuration file, and corresponding switching law can pass through two there are when contradiction
Kind mode distinguishes the switching law currently started.First, configuration simultaneously and key-value pair one in the configuration file can be passed through
One corresponding identity property identifies whether the corresponding switching law of the key-value pair enables by the identity property.In short
It, which is equivalent to switch, for example has preset 10 common switching laws, and single switching only switches 2 therein, so
Switch 3 therein again afterwards, it then again 5, then can orderly and easily substep be completed entirely to cut by modified logo attribute
Change operation.Its scene that can be preferably applicable to frequent progress switching uses, for example main sync vault is abnormal, is temporarily switched to another
One secondary sync vault, restores to main sync vault, can modify the case where mark is switched fast back.Second, addition can be used
With delete key-value pair starting of the mode to realize corresponding switching law whether.For example, being added to the key-value pair in configuration file
It is considered as enabling, corresponding switching law is closed in being considered as deleting from configuration file.Compared to second, first way
Use be more convenient.
Wherein, configuration file is stored in the specified directory of each server system, permission is only read in all applications, by
This can prevent from modifying configuration file without authorization, it is ensured that the safety of configuration file.
Optionally, the configuration file is synchronized to the specified directory of multiserver by uploading tools such as such as ftp.
Then, unified database method class.
Specifically, by server it is in need call database manipulation application program, unify its specific data
Library call method.By the data base call method of unified each application, uniform external executes the mode of database manipulation, thus
It realizes efficient, low cost and with not influencing application performance connected to each application database ip is switched over.
Unified data base call method specific logic as shown in figure 3, comprising:
1, when application program on the server carries out database manipulation, firstly, the connection string that parsing application program is incoming,
Obtain the corresponding database ip of application program；
Specifically, when application needs to call database manipulation, by the connection string and database manipulation message of incoming application
(action statement).
And the process for parsing the corresponding database ip of connection string acquisition application program may include:
A, the keyword for the connection string being passed to according to application program obtains corresponding type of database.For example, Driver is opened
Head be odbc type connection string；Persist Security Info beginning is mysql type；What it is comprising port=is
Sql server type.
B, the corresponding database ip of application program is extracted according to the type of database.It specifically will be according to disparate databases class
Type parses to obtain corresponding database ip.For example, the connection string of corresponding odbc type, behind this keyword of server=
Information extraction to database ip information.
2, judge whether be stored with configuration file in the caching of application program, if so, the configuration file in caching is read,
If it is not, then reading configuration file from the specified directory and depositing to caching.
Before this, also by the caching time-out time of default application cache.With this come limit caching in store match
Set the effective time of file.To avoid being read repeatedly executing operation.Optionally, the caching time-out time can be 10 seconds
Or one minute, depending on specific requirements.Preferably 5-20 minutes.
The origin of the configuration file stored in the caching of corresponding application program can be stored by configuration file to specified
After catalogue, that is, read into each application cache, so as to application call database manipulation when from caching quick calling,
And it is removed automatically after caching time-out.It can not also read in advance into application cache, when database behaviour is called in application for the first time
When making, after reading configuration file in specified directory, configuration file is deposited into caching, then according to the configuration file in caching
Handover operation is executed, the configuration file in caching, which can be supplied, is used in switching timeliness (the caching time-out time of corresponding caching) again
It when secondary calling database manipulation, is directly quickly read from caching, to improve the completion speed using this handover operation.
Either above-mentioned any mode can be supported efficiently to read configuration file from caching, therefore can be effectively relieved
The case where mostly application frequently reads specified directory file and causes to consume disk io, and reading speed reduces, and then improve mostly using same
When handover operation efficiency；Further, compared to directly configuration file is stored to the mode of each application memory, the present embodiment
Mode is when there is ip variation, the update that will do not needed by while updating multiple application programs and be just able to achieve configuration file, thus
More practicability and convenience.
It needs to illustrate simultaneously, if identifying whether switching law enables using identity property, either from specified
When reading configuration file in catalogue or in caching, all only read the key-value pair of the corresponding enabling of identity property, i.e., it only will be current
Effective switching law is read out.If identifying whether corresponding switching law opens using the mode for adding or deleting key-value pair
With then reading the full content of configuration file.
3, the acquired database ip of matching and the key-value pair of enabling corresponding in read configuration file, if match at
The database ip of the connection string is then replaced with target database ip according to the key-value pair by function.
Specifically, since previous step only reads effective key-value pair, (i.e. corresponding switching law is the key assignments of starting
It is right), therefore, it can directly judge the acquired database ip of parsing connection string with the presence or absence of the key assignments for the key-value pair read herein
In, if so, database ip needs to replace with the target database ip of respective value direction.
4, corresponding database manipulation is executed.
Specifically, according to replaced connection string, connection go here and there corresponding type of database (parsing obtains in step 1) and
With the action statement that connection string is passed to together, corresponding database operation method is called.
In the present embodiment, database manipulation is called all to use unified approach, without being concerned about that database connects string type, thus
Improve switching efficiency and operation convenience；It supports to quickly move through more new configuration file simultaneously, while switching on multiple servers
The database ip that is connected of application program, have compared with high practicability and flexibility.
Embodiment two
The present embodiment corresponding embodiment one provides one specifically with scene:
One database has 2 sync vaults, and usually application only uses wherein 1, and remaining 1 spare.When primary sync vault
When abnormal, it is necessary to be switched to standby server use.The content that configuration file at this time can be set includes: with main same
Step library is key, the key-value pair that spare sync vault is value, and the identity property of the corresponding key-value pair, and is set as enabling.Pass through
Configuration file is pushed on server by uploading tools.
When the application program on server carries out database manipulation, specified data library method class is called, such can be first
The incoming connection string of parsing application obtains type of database, such as Driver beginning according to the keyword of connection string, is that odbc connects
String is connect, then by the subsequent information extraction of " server=" this keyword to using corresponding database ip；Then beginning
Reason caching reads configuration file from server, and only read the configuration of enabling if the caching of application is sky, and is written slow
It deposits；Subsequently the configuration file in caching is matched with the database ip that connection string extracts, is seen down with the presence or absence of correspondence
Key-value pair.In the presence of, the database ip of connection string is replaced；Finally according to replaced database ip, on
The type of database and incoming action statement that face parses, call corresponding database operation method, complete whole flow process.
Embodiment three
The present embodiment corresponding embodiment one or embodiment two, provide a kind of computer readable storage medium, are stored thereon with
Computer program, described program are able to achieve described in above-described embodiment one or embodiment two when being read out by the processor and executing
The step of method of application switching database IP is included.Specific step content without repeating, please refers to reality herein in detail
Apply the record of example one or embodiment two.
Wherein, the storage medium can be disk, optical disc, read-only memory (Read-Only Memory,
) or random access memory (Random Access Memory, RAM) etc. ROM.
In conclusion the method for application switching database IP provided by the invention, storage medium, it can not only be efficiently and clever
Ground living switches the database ip applied on multiple servers simultaneously；And without being concerned about that database connects string type, switching efficiency
It is higher, it is less error-prone；Further, a variety of specific implementations are supported, are more flexible and practicability；Further,
Application performance can not also be influenced, cost is also low.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include
In scope of patent protection of the invention.
Claims (8)
1. the method for application switching database IP characterized by comprising
Preset configuration file, and it is uploaded to the specified directory of each server, the configuration file includes key-value pair, described
The key of key-value pair is database ip to be replaced, is worth for target database ip；
When application program on server carries out database manipulation, firstly, the connection string that parsing application program is incoming, obtains application
Then the corresponding database ip of program reads configuration file from the specified directory, then, match acquired database ip
With the key-value pair of read configuration file, if successful match, according to the key-value pair by it is described connection string database ip
Replace with target database ip.
2. the method for application switching database IP as described in claim 1, which is characterized in that application program on server into
When row database manipulation, execute described firstly, parsing the incoming connection of application program by calling preset database to execute class
String obtains the corresponding database ip of application program, then, configuration file is read from the specified directory, then, acquired in matching
Database ip and the key-value pair of read configuration file the connection is gone here and there according to the key-value pair if successful match
Database ip replace with target database ip.
3. the method for application switching database IP as claimed in claim 1 or 2, which is characterized in that described by the connection
The database ip of string replaces with target database ip, later, further includes:
According to the action statement that replaced connection string and application program are passed to together in incoming connection string, corresponding number is called
According to library operating method.
4. the method for application switching database IP as claimed in claim 1 or 2, which is characterized in that the parsing application program
Incoming database string obtains the corresponding database ip of application program, specifically:
The keyword for connecting string being passed to according to application program obtains corresponding type of database；
The corresponding database ip of application program is extracted according to the type of database.
5. the method for application switching database IP as claimed in claim 1 or 2, which is characterized in that described from the specified mesh
Configuration file is read in record, specifically:
Judge whether be stored with configuration file in the caching of application program, if so, the configuration file in caching is read, if it is not,
Configuration file is then read from the specified directory and is deposited to caching.
6. the method for application switching database IP as claimed in claim 5, which is characterized in that further include:
The caching time-out time of default application program；
If the storage duration of the configuration file stored in caching is more than the caching time-out time, the configuration text in caching is deleted
Part.
7. the method for application switching database IP as claimed in claim 1 or 2, which is characterized in that the configuration file also wraps
It includes and is used for whether identifying the corresponding switching law of the key-value pair with the one-to-one identity property of key-value pair, the identity property
It enables；
It is described when reading configuration file, only to read the corresponding key-value pair enabled of an identity property from the specified directory.
8. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that described program is processed
When device reads and executes, the method for being able to achieve application switching database IP described in the claims 1-7 any one is wrapped
Containing the step of.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910226399.8A CN110119392B (en) | 2019-03-25 | 2019-03-25 | Method and storage medium for switching database IP (Internet protocol) application |
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|---|---|---|---|
| CN201910226399.8A CN110119392B (en) | 2019-03-25 | 2019-03-25 | Method and storage medium for switching database IP (Internet protocol) application |
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| CN107231445A (en) * | 2016-03-23 | 2017-10-03 | 中兴通讯股份有限公司 | A kind of dynamic domain name system DNS reorientation methods, apparatus and system |
| CN108932295A (en) * | 2018-05-31 | 2018-12-04 | 康键信息技术（深圳）有限公司 | Primary database method for handover control, device, computer equipment and storage medium |
| CN111209265A (en) * | 2018-11-22 | 2020-05-29 | 华为技术有限公司 | Database switching method and terminal equipment |
-
2019
- 2019-03-25 CN CN201910226399.8A patent/CN110119392B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107231445A (en) * | 2016-03-23 | 2017-10-03 | 中兴通讯股份有限公司 | A kind of dynamic domain name system DNS reorientation methods, apparatus and system |
| CN108932295A (en) * | 2018-05-31 | 2018-12-04 | 康键信息技术（深圳）有限公司 | Primary database method for handover control, device, computer equipment and storage medium |
| CN111209265A (en) * | 2018-11-22 | 2020-05-29 | 华为技术有限公司 | Database switching method and terminal equipment |
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