CN109086364A - Data managing method, data management apparatus and storage medium - Google Patents
Data managing method, data management apparatus and storage medium Download PDFInfo
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- CN109086364A CN109086364A CN201810798489.XA CN201810798489A CN109086364A CN 109086364 A CN109086364 A CN 109086364A CN 201810798489 A CN201810798489 A CN 201810798489A CN 109086364 A CN109086364 A CN 109086364A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/448—Execution paradigms, e.g. implementations of programming paradigms
- G06F9/4482—Procedural
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5061—Partitioning or combining of resources
- G06F9/5077—Logical partitioning of resources; Management or configuration of virtualized resources
Abstract
The present invention discloses data managing method, data management apparatus and storage medium in Docker container.The described method includes: by file system mounted the second file system to the user's space file system FUSE in Docker container of first outside current Docker container；It receives the file creation operation to the second file system from Docker external container to request, the file creation operation request creates the first file for requesting in the second file system；The data volume of the first file is obtained according to file creation operation request；Judge whether the data volume of the first file is not more than preset threshold value, if so, the creation function of FUSE is called to create the first file in the second file system, otherwise, forbids creating the first file.Data management scheme in Docker container provided in an embodiment of the present invention, can save storage resource.
Description
Technical field
The present invention relates to data managing method, the data management apparatus in computer technology more particularly to Docker container
And storage medium.
Background technique
Docker is the application container engine of an open source.It, can be Docker's after Docker is installed on an electronic device
On the basis of carry multiple containers, the operating system of electronic equipment can be shared between multiple containers, each container can be placed and be executed
Different application programs, it is mutually isolated each other.
When using application program, corresponding data need to be mounted in the container of Docker.With the use of electronic equipment, need
The data volume being mounted in the container of Docker is more and more, and the storage resource of electronic equipment is limited.Therefore, how right
Storage resource is saved while the data being mounted in the container of Docker are managed becomes industry problem to be solved.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide the data management sides in Docker container
Case can save storage resource.
One aspect of the present invention provides the data managing method in a kind of Docker container, comprising:
By the file system mounted user's space file in the Docker container of first outside current Docker container
In the second file system of system FUSE；
The file creation operation to second file system from the Docker external container is received to request, it is described
File creation operation request creates the first file in second file system for requesting；
The data volume of first file is obtained according to file creation operation request；
Judge whether the data volume of first file is not more than preset threshold value, if so, calling the creation letter of FUSE
Number creates first file in second file system, otherwise, forbids creating first file.
Preferably, further include:
It receives the file write operation to second file system from the Docker external container to request, the text
Part write operation requests are for requesting that the first data are written in the second file in second file system；
The current data amount of second file and the number of first data are obtained according to file write operation request
According to amount；
Write-in first number is calculated according to the data volume of the current data amount of second file and first data
The data volume of the second file after；
Judge whether the data volume for the second file being written after first data is not more than the preset threshold value, if
It is then to call the function of writing of FUSE that first data are written in second file, otherwise, forbids that first number is written
According to.
Preferably, the data volume for obtaining first file specifically: the statfs function of FUSE is called to obtain institute
State the data volume of the first file.
Preferably, further include: the size adjustment preset threshold value according to the memory space that user contributes to network.
Preferably, further include:
Receive the file read/write operation requests to second file system from the Docker external container, institute
It states file read/write operation requests and read/write operation is carried out to the third file in the second file system for requesting:
The access authority information of the third file is inquired according to the file read/write operation requests；
Judge whether the access authority information shows that the third file allows to access, if so, described in calling
The read/write function of FUSE executes corresponding read/write operation to the third file and otherwise forbids third file described in read/write.
Preferably, the access authority information of the inquiry file specifically: the getxattr function of FUSE is called to look into
Ask the access authority information of the file.
Preferably, the method also includes:
Call the read/write authority of the setxattr function sets file in FUSE；Or
The listxattr function of FUSE is called to obtain the security extension attribute of the file；Or
The removexattr function of FUSE is called to delete the security extension attribute of the file.
Preferably, the access authority information includes safe namespace attribute.
Preferably, further include:
Receive the file read/write operation requests to second file system from the Docker external container；
The read/write function of FUSE is called to carry out the read/write of file according to the file read/write operation requests；
Detect current memory read/write rate；
Judge whether the current memory read/write rate detected is greater than the rate-valve value of setting, is deposited if so, reducing
Reservoir read/write speed.
Preferably, carrying out the read/write operation using first in, first out mechanism.
Another aspect of the present invention provides a kind of data management apparatus, including memory, processor and is stored in memory
In program, described program is configured to be executed by processor, and processor is realized as described above when executing described program
Data managing method in Docker container.
It optionally, further include Network Interface Module and/or memory interface module.
Further aspect of the present invention provides a kind of computer readable storage medium, is stored thereon with computer program, wherein institute
State the data managing method realized in above-mentioned Docker container when computer program is executed by processor.
Embodiment according to the present invention may be implemented based on the data in the user's space file system in Docker container
Management.The data in user's space file system can be realized under the premise of not touching operating system nucleus due to developer
Management, therefore have the advantages that development is simple.Also, by forbidding creating text of the actual amount of data no more than preset threshold
Part can create excessive file to avoid in the user's space file system in Docker container, so as to save storage
Resource.
Detailed description of the invention
Fig. 1 is the structural block diagram of the network data management equipment of one embodiment of the invention；
Fig. 2 is the flow chart of the data managing method in the Docker container of one embodiment of the invention；
Fig. 3 is the file operation process of user's space file system；
Fig. 4 is the flow chart of the data managing method in the Docker container of another embodiment of the present invention；
Fig. 5 is the flow chart of the data managing method in the Docker container of another embodiment of the present invention；
Fig. 6 is the flow chart of the data managing method in the Docker container of another embodiment of the present invention；
Fig. 7 is the flow chart of the data managing method in the Docker container of another embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawing and specific embodiment, the present invention is described further, it should be noted that in not phase
Under the premise of conflict, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
Refering to fig. 1, the data management apparatus 10 of an embodiment including processor 12 and is stored with computer according to the present invention
The memory 14 of program.The present embodiment may be implemented in above-mentioned processor 10 Docker when executing stored computer program holds
Data managing method in device.Preferably, in the present embodiment, above-mentioned data management apparatus 10 further includes Network Interface Module 16.
Network Interface Module 16 may include wired network interface module and/or wireless network interface modules.Pass through Network Interface Module
16, data management apparatus 10 can be connect with user terminal 18 and other network equipments 20 being linked into network.The present embodiment
In data management apparatus can access network, alternatively referred to as network data management equipment.User terminal 18 in the present embodiment
Refer to user terminal, user terminal 18 and network data management used in the owner or manager of network data management equipment 10
Equipment 10 can pass through cable network or wireless network connection.Other network equipments 20 include the end of the other users on network
End equipment, other network data management equipment, cloud storage service device, various network resource servers etc..
Preferably, above-mentioned network data management equipment 10 further includes memory interface module 22.Memory interface module 22
It may include wired memory interface module and/or radio memory interface module.Pass through memory interface module 22, network number
It can connect the mobile storage such as neighbouring External memory equipment 24, such as storage card, mobile hard disk, USB flash disk according to management equipment 10 to set
It is standby.
The owner or manager of network data management equipment 10 can be via network data management equipment 10 in its user
The transmission that data are carried out between terminal 18 and External memory equipment 24, the network equipment 20, for example including will be in user terminal 18
User data is stored to External memory equipment 24 through network data management equipment 10 or is uploaded in the network equipment 20, through network
Data management apparatus 10 is by the resource in External memory equipment 24 or the resource transmission in the network equipment 20 into user terminal 18
And carry out data transmission between External memory equipment 24 and the network equipment 20 through network data management equipment 10.Above-mentioned number
According to for example including video, photo, voice, text etc..
Further, the owner or manager of network data management equipment can also incite somebody to action through network data management equipment 10
Memory space, bandwidth resources, computing resource that they can dominate etc. contribute to the other users in network and use and obtain corresponding
Income.
Fig. 2 shows the flow charts of one embodiment of the data managing method in the Docker container of invention.The present embodiment
Method it is especially suitable but be not limited to the data management apparatus in Fig. 1.Referring to Fig.2, the number in the Docker container of the present embodiment
Include: according to management method
S11, by the of the file system mounted FUSE in above-mentioned Docker container of first outside current Docker container
In two file system.
In the present embodiment, Docker container is mountable in network data management equipment 10.Outside current Docker container
First file system can be in network data management equipment 10, user terminal 18 or connect with network data management equipment 10
In External memory equipment 24 or the network equipment 20.
User's space file system (Filesystem in Userspace, FUSE) is the text realized completely in User space
Part system.Using FUSE, developer can easily realize new file system under the premise of not touching kernel.Refering to Fig. 3,
FUSE includes FUSE kernel module 30 and user's space library 28.Virtual text of the FUSE kernel module 30 in kernel spacing, with kernel
Part system (Virtual File System, VFS) 32 is docked, file of the VFS 32 through kernel function interface 34 Yu user's space
Request module 36 communicates.After the VFS 32 of kernel sends file operation requests, FUSE kernel module 30 converts the request to
User space processes are passed to after specific format, user space processes return result to FUSE kernel after having handled request
Module 30, the format that FUSE kernel module 30 is reduced to kernel needs again return to the VFS 32 of kernel.User's space library
28 communicate in user's space, through kernel function interface 38 with FUSE kernel module 30, ask what the transmitting of FUSE kernel module 30 came
It asks and is converted into a series of function call, result is returned into FUSE kernel module 30 through kernel function interface 38.User's space
Library provide function may be implemented to FUSE file system carry out carry unloading, create, deltree or file, open file read
Data etc. are written into open file for access evidence.
S12, the access request to above-mentioned second file system from above-mentioned Docker external container is received, calls FUSE
Kernel module carries out respective handling to above-mentioned access request.
Preferably, can be the access request of the second file system from user terminal 18 or and network data management
Other network equipments 20 that equipment 10 connects.
Above-mentioned access request includes but is not limited to read the target of link, the content in reading catalogue, creation file section
Point creaties directory, deltrees, creates file, Rename file, creation link, open file, read number from opening file
According to, write data into open file, discharge the file opened, obtain the statistical information of file system, flushes cache data,
Setting/acquisition/list/delete extended attribute, modify permission bits, owner and the user of file, size and file access or repair
Change time etc..
In the present embodiment, by the way that first outside current Docker container is file system mounted in above-mentioned Docker container
FUSE the second file system in, according to Docker external container the access request to above-mentioned second file system, call
FUSE kernel module carries out respective handling to above-mentioned access request, may be implemented based on the user's space file in Docker container
The data management of system.Since developer can realize user's space file system under the premise of not touching operating system nucleus
System and its data management, therefore have the advantages that development is simple.
Above-mentioned data management includes but is not limited to the target for reading link, reads in catalogue in the embodiment of the present invention
Content, creation file node, create directory, deltree, create file, Rename file, creation link, opening file, from
Open the statistics letter for reading data in file, writing data into open file, discharge the file opened, obtaining file system
Extended attribute, the permission bits, owner and the user that modify file, size are listed/are deleted in breath, flushes cache data, setting/acquisition/
And access or the modification time etc. of file.
Fig. 4 is the flow chart of another embodiment of the data managing method in Docker container of the invention.This method
Include:
S21, by the of the file system mounted FUSE in above-mentioned Docker container of first outside current Docker container
In two file system.
S22, the file creation operation request to above-mentioned second file system from Docker external container is received, it is above-mentioned
File creation operation request creates the first file in above-mentioned second file system for requesting.
S23, the data volume that the first file to be created is obtained according to the request of above-mentioned file creation operation.
Preferably, can be by calling the statfs function of FUSE to obtain the data volume of above-mentioned first file to be created.
S24, judge whether the data volume of above-mentioned first file is not more than preset threshold value, if so, S25 is executed, otherwise,
Execute S26.
In the present embodiment, preferably, in advance can be the specified threshold value of size for creating file by user.Threshold value is set
Setting can can set smaller, avoid creating in conjunction with the case where can be with storage resource with threshold value when storage resource anxiety
Big object occupies excessive memory space, can with storage resource it is more sufficient when the threshold value can be set larger.It can manage
Solution, can also be by the system automatically generated threshold value.
In a preferred embodiment, user can contribute its part memory space to network, therefore, can be according to use
The manual or automatic size for adjusting the threshold value of the amount of memory of family contribution.Further, the part that user contributes to network
The size of memory space can be dynamic change, be also possible to dynamic change for the adjustment of above-mentioned threshold value accordingly.
S25, the creation function of FUSE is called to create above-mentioned first file in above-mentioned second file system.
Preferably, can be by calling the open function of FUSE to create above-mentioned first text in above-mentioned second file system
Part.
S26, forbid the first document creation.
In the present embodiment, it may be implemented based on the document creation in the user's space file system in Docker container.By
The document creation in user's space file system can be realized under the premise of not touching system kernel in developer, therefore is had
Have the advantages that development is simple.Also, by forbid create data volume be not more than preset threshold file, can to avoid
Excessive file is created in user's space file system in Docker container, so as to save storage resource.
Fig. 5 is the flow chart of another embodiment of the data managing method in Docker container of the invention.This implementation
Example method can execute after the method for the embodiment of Fig. 4, comprising:
S32, the file write operation request to above-mentioned second file system from above-mentioned Docker external container is received, on
File write operation request is stated for requesting that the first data are written in the second file in above-mentioned second file system.
It is appreciated that having passed through file creation operation in the second file system before carrying out write operation to the second file
Second file is created in system, i.e. the method for the present embodiment can execute after the method for the embodiment of Fig. 4.
S33, the current data amount and above-mentioned first that the second file to be written is obtained according to the request of above-mentioned file write operation
The data volume of data.
Preferably, the current data amount of the second file can be obtained by statfs function in calling FUSE system.
S34, write-in above-mentioned the is calculated according to the data volume of the current data amount of above-mentioned second file and above-mentioned first data
The data volume of the second file after one data.
S35, judge whether the data volume for the second file being written after above-mentioned first data is not more than preset threshold value, if
It is then to execute S36, otherwise, executes S37.
In the present embodiment, preferably, in advance can be the specified threshold value of size of the second file by user.Threshold value is set
Setting can can set smaller, avoid being written in conjunction with the case where can be with storage resource with threshold value when storage resource anxiety
Big object occupies excessive memory space, can with storage resource it is more sufficient when the threshold value can be set larger.It can manage
Solution, can also be by the system automatically generated threshold value.
S36, call the function of writing of FUSE that above-mentioned first data are written in the second file in above-mentioned second file system.
Preferably, can be by calling the write function of FUSE that above-mentioned first data are written in the second file.
S37, forbid that above-mentioned first data are written.
In the present embodiment, by forbidding write-in that the data volume of the second file is caused to be greater than the data of preset threshold, it can keep away
Exempt from that excessive data are written in the user's space file system in Docker container, so as to save storage resource.
Fig. 6 is the flow chart of another embodiment of the data managing method in Docker container of the invention.This implementation
Example method can execute after the method for the embodiment of Fig. 4, comprising:
S42, the file read/write operation requests to the second file system from above-mentioned Docker external container are received, on
It states file read/write operation requests and read/write operation is carried out to the third file in the second file system for requesting.
It is appreciated that before carrying out read/write operation to file, in the second file system in Docker container
Create third file.
S43, the access authority information that above-mentioned third file is inquired according to above-mentioned file read/write operation requests.
In a preferred embodiment, text can be inquired by inquiring safety (security) namespace attribute of file
Part access authority.Access to file includes reading for file and writes.
Preferably, the access authority information of the getxattr functional query third file in FUSE can be called.
It is appreciated that user can pass through the read/write authority of the setxattr function sets third file in calling FUSE.
S44, judge whether above-mentioned access authority information shows that above-mentioned third file allows to access, if so, executing
Otherwise S45 executes S46.
S45, the read/write function of FUSE is called to execute corresponding read/write operation to above-mentioned third file.
S46, forbid the above-mentioned third file of read/write.
According to the present embodiment, access authority is arranged to the file in user's space file system, by forbidding to not allowing
The read/write operation of file is accessed, data isolation can be carried out to the file in the user's space file system in Docker container,
Enhance data safety.
Fig. 7 is the flow chart of another embodiment of the data managing method in Docker container of the invention.This implementation
Example can execute after the method for the embodiment of Fig. 4, comprising:
S52, the file read/write operation requests to the second file system from above-mentioned Docker external container are received；
The read/write of the read/write function progress file of S53, calling FUSE.Preferably, in the present embodiment, using first in, first out
(First Input First Output, FIFO) carries out the read/write of file, this mechanism can control realization service quality
(Quality of Service, QoS).
The current memory read/write rate of S54, detection.
Whether the current memory read/write rate that S55, judgement detect is greater than the rate-valve value of setting, if so, holding
Otherwise row S56 executes S57.
S56, memory read/write speed is reduced.
S57, continue to carry out memory read/write by current rate.
In the present embodiment, preferably, in advance can be that the read operation of memory and write operation respectively specify that one by user
Rate-valve value.The rate-valve value specified for read operation and write operation can be same or different.Preferably, specified for read operation
Rate-valve value is greater than the rate-valve value specified for write operation.The setting of rate-valve value can be in conjunction with the feelings of available network bandwidth resource
Condition, rate-valve value can set smaller when available network bandwidth resource anxiety, can will when available network bandwidth resource is more sufficient
Rate-valve value sets larger.
In a preferred embodiment, user can contribute its fractional bandwidth resource to network, therefore, can be according to use
The size of the manual or automatic adjustment memory read/write operations rate-valve value of the bandwidth resources of family contribution.Further, Yong Huxiang
Network contribution bandwidth resources number can be dynamic change, accordingly for memory read/write operations rate-valve value
Adjustment is also possible to dynamic change.
In the present embodiment, it can detecte current memory read/write rate, be compared with the rate-valve value of setting, move
State adjusts read or write speed, to control the bandwidth of Docker container read-write memory in a manner of IOPS.Wherein, IOPS is represented
Input/Output Operations Per Second, i.e., the number per second for being written and read (I/O) operation.
It should be understood that the first file above-mentioned, the second file, third file refer to, any one may refer to
File or any one file.
As seen through the above description of the embodiments, those skilled in the art can be understood that the present invention can
It realizes by means of software and necessary general hardware platform.Based on this understanding, technical solution of the present invention essence
On in other words the part that contributes to existing technology can be embodied in the form of software products, the computer software product
It can store in storage medium, such as ROM/RAM, magnetic disk, CD, including some instructions are used so that a computer equipment
(can be personal computer, server or the network equipment etc.) executes the certain of each embodiment or embodiment of the invention
Method described in part.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (13)
1. the data managing method in a kind of Docker container, comprising:
By the file system mounted user's space file system in the Docker container of first outside current Docker container
In the second file system of FUSE；
It receives the file creation operation to second file system from the Docker external container to request, the file
Creation operation requests create the first file in second file system for requesting；
The data volume of first file is obtained according to file creation operation request；
Judge whether the data volume of first file is not more than preset threshold value, if so, the creation function of FUSE is called to exist
First file is created in second file system, otherwise, forbids creating first file.
2. the data managing method as described in right 1, which is characterized in that further include:
It receives the file write operation to second file system from the Docker external container to request, the file is write
Operation requests are for requesting that the first data are written in the second file in second file system；
The current data amount of second file and the data volume of first data are obtained according to file write operation request；
It is calculated according to the data volume of the current data amount of second file and first data after first data are written
The second file data volume；
Judge whether the data volume for the second file being written after first data is not more than the preset threshold value, if so,
It calls the function of writing of FUSE that first data are written in second file, otherwise, forbids that first data are written.
3. data managing method as described in claim 1, which is characterized in that the data measurer for obtaining first file
Body are as follows: the statfs function of FUSE is called to obtain the data volume of first file.
4. data managing method as described in claim 1, which is characterized in that further include: it is deposited according to user to what network was contributed
The size for storing up space adjusts the preset threshold value.
5. data managing method as described in claim 1, which is characterized in that further include:
Receive the file read/write operation requests to second file system from the Docker external container, the text
Part read/write operation request carries out read/write operation to the third file in the second file system for requesting:
The access authority information of the third file is inquired according to the file read/write operation requests；
Judge whether the access authority information shows that the third file allows to access, if so, calling the FUSE
Read/write function corresponding read/write operation executed to the third file otherwise forbid third file described in read/write.
6. method as claimed in claim 5, which is characterized in that the access authority information of the inquiry file specifically:
Call the access authority information of file described in the getxattr functional query of FUSE.
7. method as claimed in claim 5, which is characterized in that the method also includes:
Call the read/write authority of the setxattr function sets file in FUSE；Or
The listxattr function of FUSE is called to obtain the security extension attribute of the file；Or
The removexattr function of FUSE is called to delete the security extension attribute of the file.
8. method as claimed in claim 5, which is characterized in that the access authority information includes safe namespace attribute.
9. the method as described in claim 1, which is characterized in that further include:
Receive the file read/write operation requests to second file system from the Docker external container；
The read/write function of FUSE is called to carry out the read/write of file according to the file read/write operation requests；
Detect current memory read/write rate；
Judge whether the current memory read/write rate detected is greater than the rate-valve value of setting, if so, reducing memory
Read/write speed.
10. method as claimed in claim 9, which is characterized in that carry out the read/write operation using first in, first out mechanism.
11. a kind of data management apparatus, including memory, processor and program stored in memory, described program quilt
It is configured to be executed by processor, processor is realized as described in any one of claims 1 to 10 when executing described program
Data managing method in Docker container.
12. data management apparatus as claimed in claim 11, which is characterized in that further include Network Interface Module and/or storage
Device interface module.
13. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The data managing method in Docker container as described in any one of claim 1 to 10 is realized when being executed by processor.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111708629A (en) * | 2020-04-30 | 2020-09-25 | 咪咕文化科技有限公司 | Resource allocation method, device, electronic equipment and storage medium |
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