CN106227579A - A kind of Docker container construction method and Docker manage control station - Google Patents
A kind of Docker container construction method and Docker manage control station Download PDFInfo
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- CN106227579A CN106227579A CN201610546234.5A CN201610546234A CN106227579A CN 106227579 A CN106227579 A CN 106227579A CN 201610546234 A CN201610546234 A CN 201610546234A CN 106227579 A CN106227579 A CN 106227579A
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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
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
Abstract
The invention discloses a kind of Docker mirror image construction method and Docker manages control station, increase in building script at mirror image and close layer instruction, during Docker mirror image is built, the merging of multiple Image Planes can be realized according to conjunction layer instruction, thus decrease quantity and the data volume of image file of Docker mirror image level, work efficiency is promoted, and has saved storage resource.The method comprise the steps that related application file and the mirror image structure script obtaining application, mirror image builds script and comprises conjunction layer instruction；Build script according to mirror image related application file mirrors is compiled, obtain Docker Image Planes；If present instruction is for closing layer instruction, obtains the image file of current Image Planes in Docker Image Planes, and obtain the image file of target Image Planes corresponding to target Image Planes mark；Image file according to current Image Planes and the image file of target Image Planes, obtain differential file, builds according to differential file and closes layer Image Planes；Conjunction layer Image Planes is committed to mirror image warehouse.
Description
Technical field
The present invention relates to field of computer technology, particularly relate to a kind of Docker container construction method and Docker management control
Platform processed.
Background technology
In a computer, virtualization (Virtualization) is a kind of resource management techniques, is various by computer
Actual resource, such as server, network, internal memory and storage etc., presents after giving abstract and conversion, breaks between entity structure
The obstacle that can not cut, makes the user can be than configuration better way originally to apply these resources.The new void of these resources
Plan part is not erection mode by existing resource, and region or configuration are limited.The virtual resources of general indication includes
Computing capability and storage capacity.In actual production environment, Intel Virtualization Technology is mainly used to solve high performance physical hardware
Production capacity surplus and the too low restructuring of old old hardware production capacity are reused, transparence bottom physical hardware, thus maximized utilization
Physical hardware.
Docker is a kind of Intel Virtualization Technology, is to build the virtualized means LXC (Linux at lightweight
Container), on, it is a kind of lightweight virtualization solution based on Process Container (ProcessContainer).
Docker is with Docker container as division of resources and the ultimate unit of scheduling, environment when encapsulating whole running software, for exploitation
Person and system manager design, and user builds, issues and run the platform of Distributed Application.Docker compares other virtualization
For technology, the most obvious feature starts soon exactly, and resource occupation is little.Therefore for build isolation standardized running environment,
The PaaS of lightweight, build automatic test and continuous integrating environment, and all can (especially need in application extending transversely
Quickly to start, to stop tackling the web application of peak valley), Docker is cross-platform a, transplantation and appearance easy to use
Device solution.
On the basis of Docker container is built upon Aufs.Aufs is a kind of union file system (Union File
System, UnionFS), it is a kind of storage engines of supporting the earliest of Docker, is exactly to support to hang different catalogues in simple terms
It is downloaded under same Virtual File System, by under the content combination under each source directory to target directory, it is achieved a kind of layer
(layer) concept.The multiple catalogues being mounted under same Virtual File System are arranged respectively to different authorities by Aufs, when
In strict accordance with this increment relation between each catalogue, the catalogue being incremented operation is had precedence at it the when of mount directory
On the basis of the catalogue carry of autoincrementing operation, treat that all catalogue carries finish, continue one read-write catalogue of carry, so
Just a kind of hierarchical structure is defined.And these characteristics of Aufs are agreed with Docker mirrored storage very much, mirror image hierarchical mode
Read-only (read-only) branch of branch's (source directory) Image Planes corresponding A ufs in corresponding A ufs；Container floor corresponding A ufs
Read-write (read-write) branch.
The file system of Docker is as it is shown in figure 1, include boot file system (bootfs) and root file system
(rootfs), bootfs includes boot loader (bootloader) and kernel (kernel), and bootfs is done by user never
Any amendment, it practice, after boot has loaded, whole kernel suffers at internal memory, bootfs can unloaded fall with
The internal memory that release and Initial R AM disk are associated.Rootfs has the normal structure of class Unix system, including/dev ,/proc ,/
Bin ,/etc ,/lib ,/usr ,/tmp and all users need to run the configuration file of various application, binary file and storehouse
File (as bash, ls etc.).
Rootfs can be first set to read-only (read-only), then at System self-test when loading bootfs by traditional Linux
Being changed into read-write (read-write) from read-only by rootfs afterwards, then we just can carry out write and read on rootfs
Operate.But the mirror image of Docker is not so, it can't change the read-only of rootfs after bootfs self-inspection is complete
For reading and writing, but union mount (a kind of carry mechanism of UnionFS) is utilized to be loaded by one or more read-only rootfs
On read-only rootfs layer before.After being loaded with the rootfs of so multilamellar, still allow it only seem to seem
One file system, in the system of Docker, these read-only rootfs union mount are called the mirror image of Docker
(image).But, each layer of rootfs now is read-only, and we now can't operate on it.When we create
Building a container, namely Docker mirror image is carried out instantiation, system can be on the rootfs that a layer or multilamellar are read-only
Distribute one layer of empty read-write rootfs.The structure of Docker mirror image is as in figure 2 it is shown, tie to visualize the mirror image of Docker
Structure, the mirror image of mono-ubuntu:14.04 of docker pull, use docker images-tree to check that result is as follows:
It can be seen that the mirror image of Ubuntu has the Image Planes (layer) of 4 tape serial numbers (uuid) and tree-shaped with one
Structure is inherited.Wherein, (n+1)th layer inherits n-th layer, and has had the content of oneself, performance intuitively on this basis
Being exactly (n+1)th layer to take disk space and increase, such as uuid is that the disk space that the Image Planes of 09694f91574e takies is
188MB, and the Image Planes that uuid is 1b19f5a8e3aa is father's mirror image of 09694f91574e, the disk space taken is
187.8MB.Further, different mirror images there may be identical father's mirror image, such as uuid be 09694f91574e,
During in the Image Planes of 27955ff53489 and c917d6497f55, father's mirror image of mirror image is all the Image Planes of 1b19f5a8e3aa
Mirror image.
But, existing Docker mirror image construction method in the Docker container platform system that existing clustered is disposed
Have a disadvantage in that
1, Docker mirror image level limits is not can exceed that 127 layers, therefore, compiles the Image Planes progression of new image release
Being restricted, during if it exceeds 127 layers of needs carry out the merging of mirror image level, owing to the mirror image number of plies is a lot, each level performs
Operation complexity causes the file of change a lot, can be extremely with during last layer file because contrasting each layer when merging mirror image level
Time-consumingly, efficiency is the lowest；
2, when Docker mirror image updates, the hierarchical information of each comparison mirror image, and each mirror image in mirror image warehouse are needed
Whether layer exists at container host, and mirror image level is the most, compares the most time-consuming accordingly；
3, each Image Planes is required for taking certain disk space, and Image Planes is tree succession, so
Be not the file of each Image Planes be necessary, cause the wave of the storage resource of mirror image warehouse server and container host
Take；
Three disadvantages above, the work efficiency causing the Docker container platform system that clustered disposes is low, and wave
Take storage resource.
Summary of the invention
The invention provides a kind of Docker mirror image construction method and Docker manages control station, for building foot at mirror image
Increase in Ben and close layer instruction so that during Docker mirror image builds, it is possible to realize multiple Image Planes according to closing layer instruction
Merge, thus decrease quantity and the data volume of image file of Docker mirror image level so that Docker container platform system
Work efficiency promote, and saved storage resource.
First aspect present invention provides a kind of Docker mirror image construction method, including:
The related application file and the mirror image that obtain application build script, and described mirror image builds script and comprises conjunction layer instruction, institute
State conjunction layer instruction and comprise target Image Planes mark；
Build script according to described mirror image described related application file mirrors is compiled, obtain Docker Image Planes；
If present instruction is the instruction of described conjunction layer, obtain the mirror image literary composition of current Image Planes in described Docker Image Planes
Part, and obtain the image file of target Image Planes corresponding to described target Image Planes mark, described current Image Planes is in described
On target Image Planes；
Image file according to described current Image Planes and the image file of described target Image Planes, obtain differential file,
Build according to described differential file and close layer Image Planes；
Described conjunction layer Image Planes is committed to mirror image warehouse.
In conjunction with first aspect present invention, in first aspect present invention the first embodiment, described the relevant of acquisition application should
Script is built with file and mirror image, including:
Obtain the related application file of application；
Determine that according to described related application file the old version number of described application, described old version number are at least two
Individual；
Mirror image compiling instruction, described mirror image compiling instruction number and described old version is generated according to described old version number
Number is identical；
According to described old version number and default conjunction layer rule, determine target Image Planes mark and close the layer location of instruction；
Generate according to described target Image Planes mark and close layer instruction, and according to the described conjunction layer location of instruction, described conjunction layer is referred to
Order is inserted between the compiling instruction of described mirror image, generates mirror image and builds script.
In conjunction with first aspect present invention the first embodiment, in first aspect present invention the second embodiment, described basis
Described mirror image builds script and compiles described related application file mirrors, obtains Docker Image Planes, including:
Obtain described mirror image and build the mirror image compiling instruction closed described in script before layer instruction；
Perform the compiling instruction of described mirror image, described related application file carried out mirror image compiling, obtains Docker Image Planes,
Described Docker Image Planes includes target Image Planes.
In conjunction with first aspect present invention the second embodiment, in first aspect present invention the 3rd embodiment, described acquisition
The image file of current Image Planes in described Docker Image Planes, and obtain the target mirror picture that described target Image Planes mark is corresponding
The image file of layer, including:
If present instruction is the instruction of described conjunction layer, obtain the mirror image literary composition of current Image Planes in described Docker Image Planes
Part；
Described target Image Planes mark in instructing according to described conjunction layer determines target mirror from described Docker Image Planes
As layer, from described target Image Planes, read out the image file of described target Image Planes.
In conjunction with first aspect present invention the 3rd embodiment, in first aspect present invention the 4th embodiment, described by institute
After stating conjunction layer Image Planes being committed to mirror image warehouse, also include:
Send to the container host that described application is corresponding and update instruction so that described container host is according to described renewal
Instruct and download the image file described synthesis Image Planes from described mirror image warehouse.
Second aspect present invention provides a kind of Docker to manage control station, and described Docker management control station is contained in
Docker container platform system, described Docker container platform system also has mirror image warehouse server, and described Docker manages
Control station includes:
Acquisition module, builds script for the related application file and mirror image obtaining application, and described mirror image builds script bag
Containing closing layer instruction, the instruction of described conjunction layer comprises target Image Planes mark；
Mirror image collector, compiles described related application file mirrors for building script according to described mirror image, obtains
Docker Image Planes；
Image file acquisition module, for present instruction be described conjunction layer instruction time, obtain in described Docker Image Planes
The image file of current Image Planes, and obtain the image file of target Image Planes corresponding to described target Image Planes mark, described
Current Image Planes is on described target Image Planes；
Close layer module, be additionally operable to the mirror image literary composition of the image file according to described current Image Planes and described target Image Planes
Part, obtains differential file, builds according to described differential file and closes layer Image Planes；
Mirror image submits module to, for described conjunction layer Image Planes is committed to the mirror image storehouse in described mirror image warehouse server
Storehouse.
In conjunction with second aspect present invention, in second aspect present invention the first embodiment, described acquisition module includes: obtain
Unit and instruction signal generating unit；
Described acquiring unit, for obtaining the related application file of application；
Described instruction signal generating unit, for determining the old version number of described application, institute according to described related application file
State old version number at least two；
Described instruction signal generating unit, is additionally operable to generate mirror image compiling instruction according to described old version number, and described mirror image is compiled
Translate instruction number identical with described old version number；
Described instruction signal generating unit, is additionally operable to, according to described old version number and default conjunction layer rule, determine target mirror
As layer mark and the conjunction layer location of instruction；
Described instruction signal generating unit, is additionally operable to generate according to described target Image Planes mark close layer instruction, and according to described
Close the layer location of instruction instruction of described conjunction layer to be inserted between the compiling instruction of described mirror image, generate mirror image and build script.
In conjunction with second aspect present invention the first embodiment, in second aspect present invention the second embodiment, described mirror image
Collector includes: instruction acquiring unit and instruction execution unit；
Described instruction acquiring unit, the mirror image compiling closed described in script before layer instruction for obtaining described mirror image to build
Instruction；
Described instruction execution unit, is used for performing the compiling instruction of described mirror image, described related application file is carried out mirror image
Compiling, obtains Docker Image Planes, and described Docker Image Planes includes target Image Planes.
In conjunction with second aspect present invention the second embodiment, in second aspect present invention the 3rd embodiment,
Described image file acquisition module, when being the instruction of described conjunction layer specifically for present instruction, obtains described Docker
The image file of current Image Planes in Image Planes；
Described image file acquisition module, is additionally operable to the described target Image Planes in instructing according to described conjunction layer and identifies from institute
State and Docker Image Planes determines target Image Planes, from described target Image Planes, read out the mirror image literary composition of described target Image Planes
Part.
In conjunction with second aspect present invention the 3rd embodiment, in second aspect present invention the 4th embodiment, described
Docker management control station also includes: sending module；
Described sending module, sends for the container host corresponding to described application and updates instruction so that described container
Host updates instruction image file from the described synthesis Image Planes of described mirror image warehouse download according to described.
In sum, the embodiment of the present invention has the advantage that
The related application file and the mirror image that obtain application build script, and described mirror image builds script and comprises conjunction layer instruction, institute
State conjunction layer instruction and comprise target Image Planes mark；Build script according to mirror image related application file mirrors is compiled, obtain
Docker Image Planes；If present instruction is for closing layer instruction, obtain the image file of current Image Planes in Docker Image Planes, and
Obtaining the image file of target Image Planes corresponding to target Image Planes mark, current Image Planes is on target Image Planes；Root
According to image file and the image file of target Image Planes of current Image Planes, obtain differential file, build according to differential file and close
Layer Image Planes, is committed to mirror image warehouse by conjunctions layer Image Planes, current Image Planes when performing to close layer instruction and target Image Planes it
Between all Image Planes all close layer and be one and close layer Image Planes, and close the image file comprising two Image Planes in layer Image Planes
Differential file, compared with prior art, decrease the quantity of Docker mirror image level, and the data volume of image file, make
The work efficiency obtaining Docker container platform system promotes, and has saved storage resource.
Accompanying drawing explanation
In order to be illustrated more clearly that embodiment of the present invention technical scheme, below will be to institute in embodiment and description of the prior art
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtains according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the structural representation of the file system of existing Docker；
Fig. 2 is the structural representation of existing Docker mirror image；
Fig. 3 is the structural representation of the Docker container platform system of the present invention；
Fig. 4 is the structural representation of the Docker mirror image of the present invention；
Fig. 5 is a schematic flow sheet of Docker mirror image construction method in the embodiment of the present invention；
Fig. 6 is a structural representation of Docker management control station in the embodiment of the present invention；
Fig. 7 is another structural representation of Docker management control station in the embodiment of the present invention.
Detailed description of the invention
The invention provides a kind of Docker mirror image construction method and Docker manages control station, for building foot at mirror image
Increase in Ben and close layer instruction so that during Docker mirror image builds, it is possible to realize multiple Image Planes according to closing layer instruction
Merge, thus decrease quantity and the data volume of image file of Docker mirror image level so that work efficiency promotes, and saves
About storage resource.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with in the embodiment of the present invention
Accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a present invention part rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, all should belong to the model of present invention protection
Enclose.
Present invention is mainly applied in the Docker container platform system of clustered, as it is shown on figure 3, Docker management controls
Platform and a mirror image warehouse server and multiple container host connect, and mirror image warehouse server has mirror image warehouse, container place
Main frame can be subscriber equipment etc., if the application on container host needs to update, then downloads from mirror image warehouse and applies
The image file of redaction, starts the Docker container that application is corresponding as required.
A mirror image of the prior art is configured to: the version of an application is 3.0 versions, and application developer pair now
This is applied and improves some function on the basis of 3.0 versions, has been upgraded to 4.0 versions, the 1.0 of this application, 2.0 and 3.0 editions
This image file all exists in mirror image warehouse, and application developer imports the application file of 4.0 versions, and mirror image builds foot
This, mirror image builds and comprises 4 mirror image compiling instructions in script, and every mirror image compiling instruction is for building the practical writing of a version
The Image Planes of part, as shown in Figure 4, what image file in Image Planes 1 was corresponding is 1.0 versions to the Docker mirror image of structure, mirror image
What image file in layer 2 was corresponding is 2.0 versions, and what image file in Image Planes 3 was corresponding is 3.0 versions, and Image Planes 4 is (i.e.
Docker container) in image file corresponding be 4.0 versions (i.e. current versions).
Applications described above only has the situation of 4 versions, the most only 4 layers Image Planes, but Docker mirror image level
Restriction is not can exceed that 127 layers, when the old version of application is a lot, needs to carry out the merging of Image Planes.
Below by embodiment, Docker mirror image construction method is described in detail.
Referring to Fig. 5, in the embodiment of the present invention, an embodiment of Docker mirror image construction method includes:
501, the related application file and the mirror image that obtain application build script, and mirror image builds script and comprises conjunction layer instruction, closes
Layer instruction comprises target Image Planes mark；
In the present embodiment, it is assumed that the version of an application needs to update, then Docker container platform system receives user
The application file of that import or by this application of Network Capture current version, wraps in the storage of Docker container platform system
Containing the application file of old version before this application, therefore obtain the related application file of this application, and it is defeated to receive user
The mirror image entered builds script, or the mirror image that Docker container platform system automatically generates builds script, and mirror image builds script bag
Containing closing layer instruction (" CLEAN "), close layer instruction and comprise target Image Planes mark, close layer instruction for by current Image Planes and target
Image Planes carries out closing layer.
502, build script according to mirror image related application file mirrors is compiled, obtain Docker Image Planes；
In the present embodiment, according to existing rule, mirror image builds script and comprises at least one mirror image compiling instruction, root
The mirror image compiling instruction built in script according to mirror image carries out mirror image compiling to related application file, obtains Docker Image Planes, false
Being set to the application of above-mentioned Fig. 4, version is 4, comprises 4 mirror image compiling instructions, and instruction 1 is for compiled version 1.0, instruction 2 use
In compiled version 2.0, instruction 3 is for compiled version 3.0, and instruction 4 is for compiled version 4.0, and tree-shaped due to mirror image level continues
Backing formula, instruction perform sequencing successively be instruction 1-instruction 2-instruction 3-instruction 4, and close layer instruction be in instruction 4 it
After, and the target Image Planes preset is the Image Planes of version 2 .0.
If 503 present instructions are for closing layer instruction, obtain the image file of current Image Planes in Docker Image Planes, and
Obtain the image file of target Image Planes corresponding to target Image Planes mark；
In the present embodiment, if currently executing instruction is synthetic instruction, obtain in Docker Image Planes current
The image file of Image Planes, in Fig. 4, Image Planes 4 is exactly current Image Planes, and obtains the target mirror that target Image Planes mark is corresponding
As the image file of layer, target Image Planes is exactly Image Planes 2.
504, according to image file and the image file of target Image Planes of current Image Planes, differential file is obtained, according to
Differential file builds and closes layer Image Planes；
In the present embodiment, compare image file and the mirror of target Image Planes (Image Planes 2) of current Image Planes (Image Planes 4)
As the difference between file, it is assumed that the image file of Image Planes 2 is the application file of 2.0 versions, the application of 4.0 versions be
Speech identifying function is added, then the image file of Image Planes 4 is than the mirror image compared to Image Planes 2 on the basis of 2.0 versions
File has had more the file content relevant to speech identifying function or data, these file contents or data is extracted, whole
Conjunction obtains differential file；It addition, it is also possible that applying of new version deletes some function on the basis of old version is applied,
Like this, the image file of Image Planes 4 than compared to the image file of Image Planes 2 be few delete function associated documents in
Perhaps data, then these file contents or data are extracted, integrate and obtain differential file, due to the mirror of Image Planes 4
As file corresponding be the application file of latest edition 4.0, and according to inheritance mechanism, the image file of Image Planes 2 is mirror image
Father's mirror image of the image file of layer 4, according to the differential file obtained, according to mirror image compiling rule, builds one according to differential file
The Image Planes that layer is new, as closing layer Image Planes.
505, conjunction layer Image Planes is committed to mirror image warehouse.
In the present embodiment, after constructing conjunction layer Image Planes, conjunction layer Image Planes is committed to mirror image warehouse, application correspondence
Container host can obtain image file from the conjunction layer Image Planes in mirror image warehouse, i.e. differential file.
In the embodiment of the present invention, on the basis of existing technology, by amendment Docker source code mode, solve because again
Miscellaneous mirror image structure script or long-term version iteration cause the problem that mirror image level is too much, and walking around Docker mirror image level can not exceed
The restriction of 127 layers；Compared with the merging Image Planes of prior art, it is the mirror of two Image Planes owing to the present invention closes in layer Image Planes
As the differential file of file, merge the time-consuming of Image Planes after therefore, it can be greatly reduced, improve efficiency；With prior art
Compare, decrease the quantity of Docker mirror image level so that the interaction times between container host and mirror image warehouse reduces, by
Large number of in container host, the pressure of mirror image warehouse server can be reduced；It is two mirrors owing to closing in layer Image Planes
After the image file contrast in layer, the differential file obtained, then close the data volume of image file in layer Image Planes with
Prior art is compared and is decreased, and has saved the storage resource of mirror image warehouse server and container host.
In above-described embodiment, it can be that user inputs that mirror image builds script, it is also possible to be automatically generated, below by
Embodiment to how obtaining mirror image structure script is described in detail.
Optionally, in some embodiments of the present invention, the related application file and the mirror image that obtain application build script, bag
Include:
Obtain the related application file of application；
The old version number of application, old version number at least two is determined according to related application file；
Generating mirror image compiling instruction according to old version number, mirror image compiling instruction number is identical with old version number；
According to old version number and default conjunction layer rule, determine target Image Planes mark and close the layer location of instruction；
Close layer instruction according to the mark generation of target Image Planes, and according to the conjunction layer location of instruction, mirror image volume is inserted in conjunction layer instruction
Translate between instruction, generate mirror image and build script.
In the embodiment of the present invention, after getting the related application file of application, determine the old version number of application, according to
Old version number generates mirror image compiling instruction, and mirror image compiling instruction number is identical with old version number, according to old version number and
The conjunction layer rule preset, determines target Image Planes mark and closes the layer location of instruction, and default conjunction layer rule can be to preset when needing
The when that the number of plies (i.e. old version number) of Image Planes to be compiled exceeding certain value, determine two Image Planes needing to merge,
Using forward Image Planes as target Image Planes, determine that target Image Planes identifies (i.e. the title of the Image Planes of target version), lean on
After Image Planes as current Image Planes, i.e. synthetic instruction position be exactly current Image Planes mirror image compile instruction after, root
Close layer instruction according to the mark generation of target Image Planes, and according to closing the layer location of instruction, mirror image compiling instruction is inserted in conjunction layer instruction
Between, generate mirror image and build script, synthetic instruction setting of position in mirror image builds script is illustrated, specify that needs
The Image Planes merged.
Optionally, in some embodiments of the present invention, build script according to mirror image and related application file mirrors is compiled,
To Docker Image Planes, including:
Obtain mirror image and build the mirror image compiling instruction closed in script before layer instruction；
Perform mirror image compiling instruction, related application file is carried out mirror image compiling, obtains Docker Image Planes, Docker mirror
As layer includes target Image Planes.
In the embodiment of the present invention, it is how to build script according to mirror image to carry out mirror image compiling to Docker management control station
Refine so that scheme is more specifically.
Optionally, in some embodiments of the present invention, obtain the image file of current Image Planes in Docker Image Planes, and
Obtain the image file of target Image Planes corresponding to target Image Planes mark, including:
If present instruction is for closing layer instruction, obtain the image file of current Image Planes in Docker Image Planes；
Target Image Planes mark according to closing in layer instruction determines target Image Planes, from target mirror from Docker Image Planes
As layer reads out the image file of target Image Planes.
In the embodiment of the present invention, when currently executing instruction is to close layer instruction, obtain current mirror image in Docker Image Planes
The image file of layer, the target Image Planes mark according to closing in layer instruction determines target Image Planes, mesh from Docker Image Planes
Image file in mark Image Planes is readable, reads out the image file of target Image Planes from target Image Planes.
Optionally, in some embodiments of the present invention, Docker mirror image construction method also includes:
Send to the container host that application is corresponding and update instruction so that container host is according to updating instruction from mirror image storehouse
The image file in synthesis Image Planes is downloaded in storehouse.
In the embodiment of the present invention, after Docker mirror image has built, the container host corresponding to application sends more
New instruction so that container host can know that according to updating instruction application updates, under the mirror image warehouse from mirror image server
Carry the image file in synthesis Image Planes, i.e. differential file, and the mirror image literary composition of the latest edition being applied according to differential file
Part, starts application container based on latest edition mirror image according to actual needs so that container host can start application, and
Need not obtain and preserve whole image files of redaction application, but obtain and preserve redaction application and legacy version application
The image file of differential file, decreases the biography of the data volume of image file between mirror image warehouse and container host
Defeated, and decrease the data volume that container host needs the image file of preservation.
Above-described embodiment describes the Docker mirror image construction method of the embodiment of the present invention, below by embodiment pair
Docker management control station is described in detail.
Referring to Fig. 6, the embodiment of the present invention provides a kind of Docker to manage control station, and Docker management control station is contained in
Docker container platform system, Docker container platform system also has mirror image warehouse server device and at least one container host
Machine, including:
Acquisition module 601, builds script for the related application file and mirror image obtaining application, and mirror image builds script and comprises
Conjunction layer instructs, and closes layer instruction and comprises target Image Planes mark；
Mirror image collector 602, compiles related application file mirrors for building script according to mirror image, obtains Docker
Image Planes；
Image file acquisition module 603, when present instruction instructs for closing layer, obtains current mirror in Docker Image Planes
As the image file of layer, and obtaining the image file that target Image Planes identifies the target Image Planes of correspondence, current Image Planes is in
On target Image Planes；
Close layer module 604, for the image file according to current Image Planes and the image file of target Image Planes, poor
Different article part, builds according to differential file and closes layer Image Planes；
Mirror image submits module 605 to, for closing the mirror image warehouse that layer Image Planes is committed in mirror image warehouse server.
In the embodiment of the present invention, mirror image collector 602 performs to close current Image Planes when layer instructs and target Image Planes
Between all Image Planes all close layer and be one and close layer Image Planes, and closing in layer Image Planes is the image file of two Image Planes
Differential file, compared with prior art, decrease the quantity of Docker mirror image level, and the data volume of image file, make
The work efficiency obtaining Docker container platform system promotes, and has saved storage resource.
Optionally, as it is shown in fig. 7, in some embodiments of the present invention, acquisition module 601 includes: acquiring unit 701 and referring to
Make signal generating unit 702；
Acquiring unit 701, for obtaining the related application file of application；
Instruction signal generating unit 702, for determining the old version number of application according to related application file, old version number is extremely
It is two less；
Instruction signal generating unit 702, is additionally operable to generate mirror image compiling instruction, mirror image compiling instruction number according to old version number
Identical with old version number；
Instruction signal generating unit 702, is additionally operable to, according to old version number and default conjunction layer rule, determine target Image Planes mark
Know and close the layer location of instruction；
Instruction signal generating unit 702, is additionally operable to generate according to target Image Planes mark close layer instruction, and according to closing layer command bits
Put and the instruction of conjunction layer is inserted between mirror image compiling instruction, generate mirror image and build script.
In the embodiment of the present invention, after acquiring unit 701 gets the related application file of application, instruct signal generating unit
The 702 old version numbers determining application, instruction signal generating unit 702 generates mirror image compiling instruction according to old version number, and mirror image is compiled
Translate instruction number identical with old version number, according to old version number and default conjunction layer rule, determine that target Image Planes identifies
And close the layer location of instruction, default layer rule of closing can be to preset when the number of plies (i.e. old version number) of the Image Planes needing compiling
The when of exceeding certain value, instruction signal generating unit 702 determines two Image Planes needing to merge, using forward Image Planes as mesh
Mark Image Planes, instruction signal generating unit 702 determines that target Image Planes identifies (i.e. the title of the Image Planes of target version), mirror rearward
Picture layer is exactly after the mirror image of current Image Planes compiles instruction as current Image Planes, i.e. synthetic instruction position, according to target
Layer instruction is closed in Image Planes mark generation, and inserts between mirror image compiling instruction according to closing the layer location of instruction by conjunction layer instruction, generation
Mirror image builds script, is illustrated synthetic instruction setting of position in mirror image builds script, specify that and need merging
Image Planes.
Optionally, as it is shown in fig. 7, in some embodiments of the present invention, mirror image collector 602 includes: instruction obtains single
Unit 703 and instruction execution unit 704；
Instruction acquiring unit 703, the mirror image compiling instruction closed in script before layer instruction for obtaining mirror image to build；
Instruction execution unit 704, is used for performing mirror image compiling instruction, related application file is carried out mirror image compiling, obtains
Docker Image Planes, Docker Image Planes includes target Image Planes.
In the embodiment of the present invention, it is how to build script according to mirror image to carry out mirror image volume to image file acquisition module 603
The carrying out translated refines so that scheme is more specifically.
Optionally, as it is shown in fig. 7, in some embodiments of the present invention,
Image file acquisition module 603, during specifically for present instruction for closing layer instruction, obtain in Docker Image Planes when
The image file of front Image Planes；
Image file acquisition module 603, is additionally operable to the target Image Planes according to closing in layer instruction and identifies from Docker mirror image
Determine target Image Planes in Ceng, from target Image Planes, read out the image file of target Image Planes.
In the embodiment of the present invention, when currently executing instruction is to close layer instruction, image file acquisition module 603 obtains
The image file of current Image Planes in Docker Image Planes, the target Image Planes according to closing in layer instruction identifies from Docker mirror image
Determine in Ceng that target Image Planes, the image file in target Image Planes are readable, from target Image Planes, read out target mirror picture
The image file of layer.
Optionally, as it is shown in fig. 7, in some embodiments of the present invention, Docker management control station also includes: sending module
705；
Sending module, sends for the container host corresponding to application and updates instruction so that container host is according to more
New instruction downloads the image file synthesis Image Planes from mirror image warehouse.
In the embodiment of the present invention, after Docker mirror image has built, sending module 705 is to the container place of application correspondence
Main frame sends and updates instruction so that container host can know that according to updating instruction application updates, and it is poor to download from mirror image warehouse
Different article part, and the image file of the latest edition being applied according to differential file, start according to actual needs based on latest edition
The application container of this mirror image so that container host can start application, and need not obtain and preserve redaction application
All image files, but obtain the image file preserving redaction application with the differential file of legacy version application, reduce
The transmission of the data volume of the image file between mirror image warehouse and container host, and decrease container host and need to protect
The data volume of the image file deposited..
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, and the system of foregoing description,
The specific works process of equipment and unit, is referred to the corresponding process in preceding method embodiment, does not repeats them here.
In several embodiments provided herein, it should be understood that disclosed system, equipment and method, permissible
Realize by another way.Such as, apparatus embodiments described above is only schematically, such as, and described unit
Dividing, be only a kind of logic function and divide, actual can have other dividing mode, the most multiple unit or assembly when realizing
Can in conjunction with or be desirably integrated into another system, or some features can be ignored, or does not performs.Another point, shown or
The coupling each other discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, equipment or unit
Close or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, shows as unit
The parts shown can be or may not be physical location, i.e. may be located at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected according to the actual needs to realize the mesh of the present embodiment scheme
's.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.Above-mentioned integrated list
Unit both can realize to use the form of hardware, it would however also be possible to employ the form of SFU software functional unit realizes.
If described integrated unit realizes and as independent production marketing or use using the form of SFU software functional unit
Time, can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part that in other words prior art contributed or this technical scheme completely or partially can be with the form of software product
Embodying, this computer software product is stored in a storage medium, including some instructions with so that a computer
Equipment (can be personal computer, server, or the network equipment etc.) performs the complete of method described in each embodiment of the present invention
Portion or part steps.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, above example only in order to technical scheme to be described, is not intended to limit；Although with reference to front
State embodiment the present invention has been described in detail, it will be understood by those within the art that: it still can be to front
State the technical scheme described in each embodiment to modify, or wherein portion of techniques feature is carried out equivalent；And these
Amendment or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a Docker mirror image construction method, it is characterised in that including:
The related application file and the mirror image that obtain application build script, and described mirror image builds script and comprises conjunction layer instruction, described conjunction
Layer instruction comprises target Image Planes mark；
Build script according to described mirror image described related application file mirrors is compiled, obtain Docker Image Planes；
If present instruction is the instruction of described conjunction layer, obtain the image file of current Image Planes in described Docker Image Planes, and
Obtaining the image file of target Image Planes corresponding to described target Image Planes mark, described current Image Planes is in described target mirror
As on layer；
Image file according to described current Image Planes and the image file of described target Image Planes, obtain differential file, according to
Described differential file builds and closes layer Image Planes；
Described conjunction layer Image Planes is committed to mirror image warehouse.
Docker mirror image construction method the most according to claim 1, it is characterised in that the related application of described acquisition application
File and mirror image build script, including:
Obtain the related application file of application；
The old version number of described application, described old version number at least two is determined according to described related application file；
Mirror image compiling instruction, described mirror image compiling instruction number and described old version number phase is generated according to described old version number
With；
According to described old version number and default conjunction layer rule, determine target Image Planes mark and close the layer location of instruction；
Generate according to described target Image Planes mark and close layer instruction, and according to the described conjunction layer location of instruction, the instruction of described conjunction layer is inserted
Enter between the compiling instruction of described mirror image, generate mirror image and build script.
Docker mirror image construction method the most according to claim 2, it is characterised in that described according to described mirror image structure foot
Described related application file mirrors is compiled by this, obtains Docker Image Planes, including:
Obtain described mirror image and build the mirror image compiling instruction closed described in script before layer instruction；
Perform the compiling instruction of described mirror image, described related application file is carried out mirror image compiling, obtains Docker Image Planes, described
Docker Image Planes includes target Image Planes.
Docker mirror image construction method the most according to claim 3, it is characterised in that described acquisition described Docker mirror image
The image file of current Image Planes in Ceng, and obtain the image file of target Image Planes corresponding to described target Image Planes mark,
Including:
If present instruction is the instruction of described conjunction layer, obtain the image file of current Image Planes in described Docker Image Planes；
Described target Image Planes mark in instructing according to described conjunction layer determines target Image Planes from described Docker Image Planes,
The image file of described target Image Planes is read out from described target Image Planes.
Docker mirror image construction method the most according to claim 4, it is characterised in that described Docker mirror image construction method
Also include:
Send to the container host that described application is corresponding and update instruction so that described container host updates instruction according to described
The image file described synthesis Image Planes is downloaded from described mirror image warehouse.
6. a Docker manages control station, it is characterised in that described Docker management control station is contained in Docker container and puts down
Platform system, described Docker container platform system also has mirror image warehouse server, and described Docker management control station includes:
Acquisition module, builds script for the related application file and mirror image obtaining application, and described mirror image builds script and comprises conjunction
Layer instruction, the instruction of described conjunction layer comprises target Image Planes mark；
Mirror image collector, compiles described related application file mirrors for building script according to described mirror image, obtains
Docker Image Planes；
Image file acquisition module, for present instruction be the instruction of described conjunction layer time, obtain in described Docker Image Planes current
The image file of Image Planes, and obtain the image file of target Image Planes corresponding to described target Image Planes mark, described currently
Image Planes is on described target Image Planes；
Close layer module, for the image file according to described current Image Planes and the image file of described target Image Planes, obtain
Differential file, builds according to described differential file and closes layer Image Planes；
Mirror image submits module to, for described conjunction layer Image Planes is committed to the mirror image warehouse in described mirror image warehouse server.
Docker the most according to claim 6 manages control station, it is characterised in that described acquisition module includes: obtain single
Unit and instruction signal generating unit；
Described acquiring unit, for obtaining the related application file of application；
Described instruction signal generating unit, for determining the old version number of described application according to described related application file, described in go through
History version number at least two；
Described instruction signal generating unit, is additionally operable to generate mirror image compiling instruction according to described old version number, and the compiling of described mirror image refers to
Make quantity identical with described old version number；
Described instruction signal generating unit, is additionally operable to, according to described old version number and default conjunction layer rule, determine target Image Planes
Mark and the conjunction layer location of instruction；
Described instruction signal generating unit, is additionally operable to generate according to described target Image Planes mark close layer instruction, and according to described conjunction layer
The instruction of described conjunction layer is inserted between the compiling instruction of described mirror image by the location of instruction, generates mirror image and builds script.
Docker the most according to claim 7 manages control station, it is characterised in that described mirror image collector includes: refer to
Make acquiring unit and instruction execution unit；
Described instruction acquiring unit, the mirror image compiling built before closing layer instruction described in script for obtaining described mirror image refers to
Order；
Described instruction execution unit, is used for performing the compiling instruction of described mirror image, described related application file is carried out mirror image compiling,
Obtaining Docker Image Planes, described Docker Image Planes includes target Image Planes.
Docker the most according to claim 8 manages control station, it is characterised in that
Described image file acquisition module, when being the instruction of described conjunction layer specifically for present instruction, obtains described Docker mirror image
The image file of current Image Planes in Ceng；
Described image file acquisition module, is additionally operable to the described target Image Planes in instructing according to described conjunction layer and identifies from described
Docker Image Planes determines target Image Planes, from described target Image Planes, reads out the mirror image literary composition of described target Image Planes
Part.
Docker the most according to claim 9 manages control station, it is characterised in that described Docker management control station is also
Including: sending module；
Described sending module, sends for the container host corresponding to described application and updates instruction so that described container host
Machine updates instruction image file from the described synthesis Image Planes of described mirror image warehouse download according to described.
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