CN108205481A - The container instance creation method and device of application - Google Patents
The container instance creation method and device of application Download PDFInfo
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- CN108205481A CN108205481A CN201611178866.7A CN201611178866A CN108205481A CN 108205481 A CN108205481 A CN 108205481A CN 201611178866 A CN201611178866 A CN 201611178866A CN 108205481 A CN108205481 A CN 108205481A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1479—Generic software techniques for error detection or fault masking
- G06F11/1482—Generic software techniques for error detection or fault masking by means of middleware or OS functionality
Abstract
The embodiment of the present invention provides a kind of container instance creation method of application and device, the method include：Layout scheduler receives applicating medium packet, and applicating medium packet includes the container image file of application and describes file using layout, and it is N to describe file to be used to indicate the number of the container instance of application that needs to create using layout；File is described according to using layout, sends mirror image push instruction to N number of server respectively, mirror image push instruction includes the container image file of application, and mirror image push instruction is used to indicate the container image file of storage application；It when needing to create the container instance of application, is sent to N number of server create instruction respectively, created instruction and be used to indicate the container instance that application is created according to the container image file of the application of storage.Container instance deployment efficiency is improved, container is improved and starts speed, enhance the global reliability of container image file.
Description
Technical field
The present embodiments relate to application container technical field more particularly to a kind of container instance creation method of application and
Device.
Background technology
Container technique and its related tool in recent years, platform is very hot, than more typical container engine have docker,
The Container Managements platform such as Rocket and kubernetes, swam.Under current mechanism, container mirror image warehouse is independently disposed, and is used
The local image file made is uploaded to container mirror image warehouse, all container image file collection by family by container order
In be stored in container mirror image warehouse, when server is when needing to create the container instance of application, server is needed from container mirror
As warehouse pulls the container image file of the application to local, after container image file is stored in local, then pass through the mirror
Container instance as creating the application.However, in the prior art when creating container instance, it is required to from distal pod mirror image storehouse
Container instance could be created accordingly after container image file is pulled in library, cause to create container instance inefficiency.
Invention content
The embodiment of the present invention provides a kind of the container instance creation method and device of application, and container instance is created for being promoted
Dispose efficiency.
In a first aspect, the embodiment of the present invention provides a kind of container instance creation method of application, including：
Layout scheduler receives applicating medium packet, and applicating medium packet includes the container image file of application and retouched using layout
File is stated, it is N to describe file using layout and be used to indicate to need the number of the container instance of application that creates；N is is more than or waits
In 1 integer；Layout scheduler describes file according to using layout, sends mirror image push instruction, mirror image to N number of server respectively
Push instruction includes the container image file of application, and mirror image push instruction is used to indicate the container image file of storage application；
When needing to create the container instance applied, layout scheduler sends to N number of server create instruction respectively, creates instruction for referring to
Show the container instance that application is created according to the container image file of the application of storage.
Optionally, layout scheduler describes file according to using layout, sends mirror image push instruction to N number of server respectively
Later, M server of the container image file of the backup application is also determined, M is the integer more than or equal to 1；And respectively
The mirror image push instruction is sent to M server.
Optionally, when the number increase of the container instance of the application, layout scheduler, which also receives, creates newly-increased answer
The address lookup instruction that the server of container instance is sent, address lookup instruction are used to inquire the image file of storage application
Server address；And send address response instruction, address to the server for the container instance for creating the newly-increased application
Response instruction includes the address of a server in N number of server.
Second aspect, the embodiment of the present invention provide a kind of container instance creation method of application, including：First server connects
The mirror image push instruction of the row's of incorporating into own forces scheduler dispatches, mirror image push instruction include the container image file of the first application, and mirror image pushes away
Instruction is sent to be used to indicate the container image file of the first application of storage；It is pushed and instructed according to the mirror image, storage described first should
Container image file；When needing to create the container instance of the first application, first server receives layout scheduler dispatches
Establishment instruction, create instruction be used to indicate according to the first of storage application container image file create first application container
Example；The first server creates the first application according to the container image file of the first application for instructing and storing is created
Container instance.
Optionally, when the number of the container instance of the first application needs to reduce, first server also shuts down the first application
Container instance.
Optionally, when the number increase of the container instance of the described first application, first server also receives second service
The first mirror image that device is sent pulls instruction, and the first mirror image pulls instruction for pulling the container image file of the first application；Second
Server is the server for the container instance for creating newly-increased first application；First server pulls instruction to the according to the first mirror image
Two servers return to the container image file of the first application.
Optionally, when first server needs to create the container instance of the second application and when being deposited in first server
When containing the container image file of the second application, first server is also according to the container image file of the second application of storage, wound
Build the container instance of the second application.
Optionally, first server need create second application container instance when and when in first server not
When being stored with the container image file of the second application, first server is also instructed to layout scheduler dispatches address lookup, address
The address of the server of container image file that inquiry instruction is applied for inquiry storage second；First server receives layout tune
The address response instruction that device is sent is spent, address response, which is instructed, includes the address of third server, and third server is to be stored with the
The server of the container image file of two applications；First server is instructed according to address response, and second is sent to third server
Mirror image pulls instruction, and the second mirror image pulls instruction for pulling the container image file of the second application；First server receives the
The container image file of the second application that three servers return；First server is according to the container image file of the second application, wound
Build the container instance of the second application.
Optionally, first server also obtains the occupancy of the memory space of first server；Memory space is used to store
Container image file；When occupancy is more than first threshold, first server clears up memory space, preset rules according to preset rules
It is used to indicate not used container image file in cleaning preset time.
Optionally, when the occupancy for clearing up memory space to memory space is less than second threshold, first server stops
Clear up memory space.
The third aspect, the embodiment of the present invention provide a kind of layout scheduler, including：Receiving module is situated between for receiving application
Matter packet, applicating medium packet include the container image file of application and describe file using layout, and describing file using layout is used for
It is N to indicate the number of the container instance of application for needing to create；N is the integer more than or equal to 1；Sending module, for basis
File is described using layout, sends mirror image push instruction to N number of server respectively, mirror image push instruction includes the container mirror of application
As file, mirror image push instruction is used to indicate the container image file of storage application；And needing the container for creating application real
During example, sent to N number of server create instruction respectively, establishment instruction is used to indicate the container image file according to the application of storage
Create the container instance of application.
Optionally, layout scheduler further includes：Determining module, for describing file according to using layout in sending module,
Respectively after N number of server sends mirror image push instruction, M server of the container image file of back-up application is determined, M is
Integer more than or equal to 1；Sending module is additionally operable to send mirror image push instruction to M server respectively.
Optionally, receiving module is additionally operable to when the number increase of the container instance of application, is received and is created newly-increased application
Container instance the address lookup instruction that sends of server, address lookup instruction is for inquiring the image file of storage application
The address of server；Sending module is additionally operable to refer to the server transmission address response for the container instance for creating newly-increased application
It enables, address response instructs the address for including a server in N number of server.
Fourth aspect, the embodiment of the present invention provide a kind of server, including：Receiving module, for receiving layout scheduler
The mirror image push of transmission instructs, and mirror image push instruction includes the container image file of the first application, and mirror image push instructs to refer to
Show the container image file of the first application of storage；Memory module instructs for being pushed according to mirror image, the container of the first application of storage
Image file；Receiving module is additionally operable to, when needing to create the container instance of the first application, receive the wound of layout scheduler dispatches
Instruction is built, it is real to create the container of the first application of container image file establishment for instructing and being used to indicate and being applied according to the first of storage
Example；Processing module, for according to the container image file of the first application for instructing and storing is created, creating the appearance of the first application
Device example.
Optionally, processing module is additionally operable to when the number of the container instance of the first application needs to reduce, and shutting down first should
Container instance.
Optionally, receiving module is additionally operable to, when the number increase of the container instance of the first application, receive second server
The first mirror image sent pulls instruction, and the first mirror image pulls instruction for pulling the container image file of the first application；Second clothes
Business device is the server for the container instance for creating newly-increased first application；The server further includes：Sending module.Sending module,
For pulling instruction according to the first mirror image the first container image file applied is returned to second server.
Optionally, processing module is additionally operable to when first server needs to create the container instance of the second application and works as
When the container image file of second application is stored in first server, according to the container mirror image text of the second of storage the application
Part creates the container instance of the second application.
Optionally, the server further includes：Sending module.Sending module, for needing establishment in first server
During the container instance of two applications and when the container image file for not being stored with the second application in first server, to layout
Scheduler dispatches address lookup instructs, and address lookup instruction stores the server of the container image file of the second application for inquiry
Address；The receiving module, is additionally operable to receive the address response instruction of layout scheduler dispatches, and address response instruction includes the
The address of three servers, third server are the server for the container image file for being stored with the second application；Sending module is also used
It is instructed according to address response, sending the second mirror image to third server pulls instruction, and the second mirror image pulls instruction for pulling
The container image file of second application；Receiving module is additionally operable to receive the container mirror image of the second application that third server returns
File；Processing module is additionally operable to the container image file according to the second application, creates the container instance of the second application.
Optionally, processing module is additionally operable to obtain the occupancy of the memory space of first server；Memory space is used to deposit
Storage container image file；And when occupancy is more than first threshold, according to preset rules cleaning memory space, preset rules are used for
Not used container image file in instruction cleaning preset time.
Optionally, processing module is additionally operable to when the occupancy for clearing up memory space to memory space is less than second threshold,
Stop cleaning memory space.
5th aspect, the embodiment of the present invention provide a kind of layout scheduler, including：Processor and communication interface.Processor,
For receiving applicating medium packet by communication interface, applicating medium packet includes the container image file of application and application layout describes
File, it is N to describe file using layout and be used to indicate to need the number of the container instance of application that creates；N is more than or equal to 1
Integer；File is described according to using layout, mirror image push instruction, mirror image are sent to N number of server by communication interface respectively
Push instruction includes the container image file of application, and mirror image push instruction is used to indicate the container image file of storage application；With
And when needing to create the container instance of application, sent respectively to N number of server by communication interface and create instruction, create instruction
It is used to indicate the container instance that application is created according to the container image file of the application of storage.
Optionally, processor is additionally operable to describing file according to using layout, by communication interface respectively to N number of server
After sending mirror image push instruction, M server of the container image file of back-up application is determined, M is whole more than or equal to 1
Number；Mirror image push instruction is sent to M server by communication interface respectively.
Optionally, processor is additionally operable to when the number increase of the container instance of application, is received and created by communication interface
The address lookup instruction that the server of the container instance of newly-increased application is sent, address lookup instruction is for inquiry storage application
The address of the server of image file；Address is sent to the server for the container instance for creating newly-increased application by communication interface
Response instruction, address response instruct the address for including a server in N number of server.
6th aspect, the embodiment of the present invention provide a kind of server, including：Processor and communication interface.Processor is used for
The mirror image that layout scheduler dispatches are received by communication interface pushes instruction, and mirror image push instruction includes the container mirror of the first application
As file, mirror image push instruction is used to indicate the container image file of the first application of storage；It is pushed and instructed according to mirror image, storage the
The container image file of one application；When needing to create the container instance of the first application, layout is received by communication interface and is dispatched
The establishment instruction that device is sent creates the container image file for instructing and being used to indicate and being applied according to the first of storage and creates the first application
Container instance；According to the container image file for the first application for creating instruction and storage, the container for creating the first application is real
Example.
Optionally, processor is additionally operable to, when the number of the container instance of the first application needs to reduce, shut down the first application
Container instance.
Optionally, processor is additionally operable to, when the number increase of the container instance of the first application, receive by communication interface
The first mirror image that second server is sent pulls instruction, and the first mirror image pulls instruction for pulling the container mirror image of the first application text
Part；Second server is the server for the container instance for creating newly-increased first application；Instruction is pulled according to the first mirror image, by logical
Believe that interface returns to the container image file of the first application to second server.
Optionally, processor is additionally operable to when first server needs to create the container instance of the second application and when the
When the container image file of second application is stored in one server, according to the container mirror image text of the second of storage the application
Part creates the container instance of the second application.
Optionally, processor is additionally operable to when first server needs to create the container instance of the second application and when the
When not being stored with the container image file of the second application in one server, looked by communication interface to layout scheduler dispatches address
Instruction is ask, address lookup instruction is used to inquire the address of the server of the container image file of the second application of storage；Pass through communication
The address response instruction of interface layout scheduler dispatches, address response instruct the address for including third server, third clothes
Business device is the server for the container image file for being stored with the second application；It is instructed according to address response, by communication interface to
Three servers send the second mirror image and pull instruction, and the second mirror image pulls instruction for pulling the container image file of the second application；
The container image file of the second application of third server return is received by communication interface；According to the container mirror image of the second application
File creates the container instance of the second application.
Optionally, processor is additionally operable to obtain the occupancy of the memory space of first server；Memory space is used to store
Container image file；And when occupancy is more than first threshold, according to preset rules cleaning memory space, preset rules are used to refer to
Show not used container image file in cleaning preset time.
Optionally, processor is additionally operable to, when the occupancy for clearing up memory space to memory space is less than second threshold, stop
Only clear up memory space.
The container instance creation method and device of application provided in an embodiment of the present invention, by needing to create the appearance applied
Before device example, the container image file of application has been respectively stored in the service of quantity identical with the number of the container instance of application
In device, and in the container instance for creating application, each server directly can establish application according to local container image file
Container instance, without from container image file is distally pulled, improve container instance deployment efficiency, improve container start speed
Degree, and without individually solely deployment for the warehouse of storage container image file, can improve server resource utilization rate indirectly.
And container image file stores N number of server respectively, when the container image file of one of server is because failure cannot
In use, desired container image file can be pulled by accessing other servers, the whole of container image file is enhanced
Body reliability.
Description of the drawings
Fig. 1 is the flow chart of the container instance creation method of application that the embodiment of the present invention one provides；
Fig. 2 is the flow chart of the container instance creation method of application provided by Embodiment 2 of the present invention；
Fig. 3 is the flow chart of the container instance creation method of application that the embodiment of the present invention three provides；
Fig. 4 is the structure diagram of layout scheduler that the embodiment of the present invention one provides；
Fig. 5 is the structure diagram of layout scheduler provided by Embodiment 2 of the present invention；
Fig. 6 is the structure diagram of server that the embodiment of the present invention one provides；
Fig. 7 is the structure diagram of server provided by Embodiment 2 of the present invention.
Specific embodiment
Fig. 1 is the flow chart of the container instance creation method of application that the embodiment of the present invention one provides, as shown in Figure 1, this
The method of embodiment can include：
S101, layout scheduler receive applicating medium packet.
In the present embodiment, after the container image file of application is made, container mirror image warehouse can be uploaded to and preserved,
In, container mirror image warehouse is disposed on the server.Wherein, after the container image file of application makes in uploading onto the server,
This process is to dispatch completion by layout scheduler.The lateral layout scheduler of user uploads applicating medium packet, correspondingly,
Layout scheduler can receive applicating medium packet, which includes the container image file of application and application layout describes
File, it is N that this, which applies layout to describe file to be used to indicate the number of the container instance of application for needing to create,；N is is more than or waits
In 1 integer.Optionally, this applies layout to describe the number N of the container instance of application that file is created including needs.It is optional
Ground, above-mentioned container image file be standardization container mirror image packet, do not have to form particular/special requirement (do not differentiate between appc or
Docker forms mirror image).
S102, layout scheduler describe file according to using layout, send mirror image push instruction to N number of server respectively.
Mirror image push instruction includes the container image file of application, and mirror image push instruction is used to indicate the container mirror image text of storage application
Part.
In the present embodiment, layout scheduler describes file in applicating medium packet using layout, respectively to N number of service
Device sends mirror image push instruction (belonging to container order), and mirror image push instruction includes the container image file of application, the mirror image
Push instruction is used to indicate the container image file for storing the application.Wherein, each server is used to create the one of the application
A container instance.
Optionally, layout scheduler can determine to need to create the application from multiple servers before S102 is performed
N number of server of container instance, such as：It can be determined to need the appearance for creating the application according to the occupation condition of each server
N number of server of device example.Optionally, this describes file using layout and is additionally operable to the container mirror image for indicating that the application can be stored text
The server of part, such as：This describes file using layout and further includes compatibility/anti-compatibility description information.By compatibility/anti-
Compatibility information is used to indicate the type of the server for the container image file that can store the application or can not store the application
Container image file server type.Wherein, compatibility/anti-compatibility description information is generally used for stateful service department
Scene is affixed one's name to, for example I/O intensive type application is typically deployed on the stronger server of disk I/O ability, correspondingly, the container mirror of application
As file is also required to be stored on the stronger server of disk I/O ability by compatibility.Optionally, this is using layout description text
Part further includes application container resource description information, is used to indicate CPU core number, memory and the disk space size etc. of container occupancy.
It is not limited to include above- mentioned information it should be noted that describing file using layout.
It should be noted that the interaction flow between layout scheduler and a server, other clothes are illustrated only in Fig. 1
Business device is similar with the interaction flow of orchestrating services device, is not shown herein.
S103, server are pushed according to mirror image and are instructed, and store the container image file of application.
In the present embodiment, after server receives the mirror image push instruction of layout scheduler dispatches, referred to according to mirror image push
It enables, stores the container image file of the application in mirror image push instruction.Such as：Server is according to the form of container image file
Container image file is parsed, the local image file for the container image file after parsing being saved in the server is deposited
It stores up in space (storage catalogue therein).For AUFS file system, the container image file after parsing is in local preservation mesh
Record is for example as follows：
root@ubuntu:/var/lib/docker/aufs#11
total 76
drwxr-xr-x 5root root 4096Aug 31 14:06./
drwx------10root root 4096Oct 10 14:52../
drwxr-xr-x 164root root 20480Oct 10 14:52diff/
drwxr-xr-x 2root root 20480Oct 10 14:52layers/
drwxr-xr-x 164root root 20480Oct 10 14:52mnt/
root$ubuntu:/var/lib/docker/aufs#
Wherein diff is container image file initial data, and layers descriptions are layered the relationship of mirror image, mirror is preserved in mnt
As it is laminated and after rootfs.
Optionally, server successfully stores the container image file of the application, also to one sound of layout scheduler dispatches
It should instruct, be used to indicate the container image file for successfully storing the application.
Optionally, layout scheduler also preserves the ground of server of the container image file with storing the container image file
The correspondence of location, to represent the container image file is stored in which server.
S104, need create application container instance when, layout scheduler respectively to N number of server send create refers to
It enables.
When needing to create the container instance of application, layout scheduler sends to above-mentioned N number of server create instruction respectively
(belonging to container order), the establishment instruction is used to indicate should described in the container image file establishment of the application according to storage
Container instance.
According to the container image file of application for instructing and storing is created, the container for creating application is real for S105, server
Example.
In the present embodiment, after server receives the establishment instruction of layout scheduler dispatches, due to having been deposited in book server
The container image file of the application is contained, server need not go to distal end to pull container image file.Therefore, server is according to the wound
The container image file of the application of instruction and storage is built, can directly create the container instance of the application.
Optionally, server is responded to layout scheduler dispatches one after the container instance for successfully creating application and is instructed, and is used
The container instance of the application has been successfully created in instruction.
In conclusion the container instance creation method of application provided in this embodiment, by needing to create the appearance applied
Before device example, the container image file of application has been respectively stored in the service of quantity identical with the number of the container instance of application
In device, and in the container instance for creating application, each server directly can establish application according to local container image file
Container instance, without from container image file is distally pulled, improve container instance deployment efficiency, improve container start speed
Degree.And container image file stores N number of server respectively, when one of server container image file because failure not
Container image file can be enhanced in use, desired container image file can be pulled by accessing other servers
Global reliability.
Optionally, the layout scheduler also determines the container mirror image of the backup application after above-mentioned S102 is performed
M server of file, the M are the integer more than or equal to 1；Then mirror image push is sent to the M server respectively
Instruction, the mirror image push instruction include the container image file of the application, and the mirror image push instruction is used to indicate storage
The container image file of the application.
Wherein, layout scheduler can determine to back up the container mirror image text of the application according to the occupation condition of server
M server of part, optionally, layout scheduler are described herein in connection with the compatibility/anti-compatibility described using layout in file
Information determines the M server, then sends mirror image push instruction to the M server.Optionally, it before operating herein, compiles
Row scheduler determine the N be less than can application deployment example server maximum quantity；It can application deployment reality if N is greater than or equal to
The server maximum quantity of example can be used for backup container image file without extra server at this time, then no longer carry out container
Image file backs up.Wherein, minimum no less than 2 parts of the storage quantity of the container image file of same application.
After the M server receives mirror image push instruction, the container mirror of the instruction storage application is pushed according to the mirror image
As file.Only when needing to create the container instance of the application, layout scheduler does not send to create to the M server to be referred to
It enables.The memory reliability of container image file is improved in this way.
Fig. 2 is the flow chart of the container instance creation method of application provided by Embodiment 2 of the present invention, as shown in Fig. 2, this
The method of embodiment can include：
S201, layout scheduler receive applicating medium packet.
The applicating medium packet includes the container image file of the first application and first and describes file using layout.
S202, layout scheduler describe file according to using layout, and sending the first mirror image to N number of first server respectively pushes away
Send instruction.The first mirror image push instruction includes the container image file of the first application.
S203, first server are pushed according to the first mirror image and are instructed, the container image file of the first application of storage.
S204, need create first application container instance when, layout scheduler respectively to N number of first server send
Create instruction.
S205, first server create first according to the container image file of the first application for instructing and storing is created
The container instance of application.
In the present embodiment, the specific implementation process of S201-S205 may refer to the associated description of embodiment illustrated in fig. 1, this
Place repeats no more.
Optionally, under capacity reducing scene, portfolio atrophy, system is also required to shut down the container instance of certain applications, to reduce
Operation cost.When the number of the container instance of first application needs to reduce, such as：It needs to reduce K1, then N number of first clothes
Each first server in K1 first server of device of being engaged in shuts down the container instance of the first application, such as：First server root
The container instance shut down instruction and shut down the first application sent according to layout scheduling.Optionally, it is still deposited in the K1 first server
The image file of the first application of storage, will not actively delete, and when facilitating next dilatation, such as increase the container instance of first application
When, the container instance of the first application is deployed on the server in the K1 first server by layout scheduler priority, is reduced
The image file copy number of first application, promotes deployment efficiency.
Optionally, under dilatation scene, when portfolio expands, the container instance of the application of original deployment can not meet business need
It asks, dilatation is needed to increase the container instance of application at this time.When the number increase of the container instance of first application, such as：Increase
Add K2, then correspondingly additionally need the container instance that K2 server creates newly-increased application correspondingly.Layout is dispatched
Device preferentially selects the server for having stored the container image file of the first application to carry out dilatation deployment, and such case is due to application
Container image file just in server local, directly creates and runs container.If the container instance of the first application of dilatation
A new server is deployed in, does not store the container image file of the first application on the server, is just needed from other at this time
Preserve in the server of the container image file of the first application to being locally stored, this process need by layout scheduler come
It completes；The server for the container instance for creating the first newly-increased application is known as second server herein, wherein, K2 second clothes
Each second server can perform scheme as follows in business device.
S206, second server are instructed to the first address lookup of layout scheduler dispatches.
In the present embodiment, when the container image file for not storing the first application in second server, second server to
The first address lookup of layout scheduler dispatches instructs, and the first address lookup instruction stores first application for inquiring
The address of the server of container image file.
S207, layout scheduler send the instruction of the first address response to second server.The instruction of first address response includes
The address of first server.
In the present embodiment, after layout scheduler receives the instruction of the first address lookup, it may be determined that the first application of storage
Then the address of the first server of container image file sends the instruction of the first address response, first ground to second server
Location response instruction includes the address of a server in N number of first server.Wherein, it is specifically included in first address response instruction
It the address of which first server can be depending on the occupation condition of each first server.
S208, second server, which are instructed according to the first address response to first server the first mirror image of transmission, pulls instruction.
In the present embodiment, after second server receives the instruction of the first address response, in being instructed according to the first address response
The address of first server sends the first mirror image to first server and pulls instruction, and the first mirror image pulls instruction for pulling first
The container image file of application.
S209, first server pull instruction according to the first mirror image and return to the first container mirror image applied to second server
File.
S210, second server create the first container instance applied according to the container image file of the first application.
In the present embodiment, first server is received after the first mirror image pulls instruction, and instruction is pulled according to the first mirror image
The container image file of the first application stored in first server is returned to second server.Second server receives first
After the container image file of application, the container instance of the first application is created according to the container image file of first application.It is optional
Ground, second server also store the container image file of first application.It is achieved thereby that the container instance dilatation of the first application
Scheme.
Far-end operation is gone to obtain application in conclusion the present embodiment, solves to concentrate in the prior art through the above scheme
Container image file and cause concurrent pressure larger, easily generate performance issue；The present embodiment in dilatation, realize from point
The container image file of application is pulled in scattered multiple servers, concurrent pressure is reduced, ensure that performance.
Fig. 3 is the flow chart of the container instance creation method of application that the embodiment of the present invention three provides, as shown in figure 3, this
After the method for embodiment S201-S205 shown in Fig. 2, when first server needs to create the container instance of the second application
When, if being stored with the container image file of the second application in first server, first server is according to the second of storage the application
Container image file, create second application container instance.If the container mirror of the second application is not stored in first server
As file, then following steps are performed.
S301, first server are instructed to the second address lookup of layout scheduler dispatches.
The address of the server of container image file that the instruction of second address lookup is applied for inquiry storage second.
S302, layout scheduler send the instruction of the second address response to first server.The instruction of first address response includes
The address of third server.The third server is the server for the container image file for being stored with second application.
S303, first server are instructed according to the second address response, and sending the second mirror image to third server pulls instruction.
Second mirror image pulls instruction for pulling the container image file of the second application.
S304, third server pull instruction according to the second mirror image, and the container mirror of the second application is returned to first server
As file.
S305, first server create the second container instance applied according to the container image file of the second application.
In the present embodiment, the specific implementation process of S301-S305 may refer to the associated description in embodiment illustrated in fig. 2,
Details are not described herein again.
Far-end operation is gone to obtain application in conclusion the present embodiment, solves to concentrate in the prior art through the above scheme
Container image file and cause concurrent pressure larger, easily generate performance issue；The present embodiment in dilatation, realize from point
The container image file of application is pulled in scattered multiple servers, concurrent pressure is reduced, ensure that performance.
Optionally, on the basis of the above-mentioned each method embodiment of the present invention, above-mentioned server also obtains depositing for the server
Store up the occupancy in space；Memory space is used for storage container image file, which can be used for storing various applications
Container image file.When occupancy is more than first threshold, according to preset rules cleaning memory space, preset rules are used to indicate clearly
Manage not used container image file in preset time.
Memory space on each server is limited, if simply toward increase container image file on server
Without removing, the memory space inadequate of server can be caused, influenced using normal use.Such as server can periodic test
Memory space, to obtain the occupancy of memory space.When occupancy is more than first threshold, first threshold is, for example, 90%, then takes
Business device can according to algorithm (LRU) is not used at most recently the container image file in local memory space is cleared up with
Delete not used container image file in preset time.Optionally, refuse during server clears up memory space
Storage container image file.
Optionally, when the occupancy for clearing up memory space to memory space is less than second threshold, server stops cleaning
Memory space, so as to ensure that the new container image file stored at this time is safe.Such as second threshold is 80%.It is optional
Ground, if by cleaning, the occupancy of absolutely empty of storage is still not less than second threshold, then error message is reported to volume by server
Scheduler is arranged, hand inspection is carried out to user by layout scheduler report and alarm.
Optionally, before server storage container image file, detect whether the container image file is locally having preservation,
If so, then refusing to store, and return to corresponding error code.
The said program of the embodiment of the present invention is suitable for the application deployment scenario based on container warehouse, including docker, RKT
Etc. container techniques, for the bottom container technique such as LXC that container warehouse is not present, be equally applicable.
In addition to this, the scheme of the embodiment of the present invention similarly can be additionally used in conventional non-containerization application.
Fig. 4 is the structure diagram of layout scheduler that the embodiment of the present invention one provides, as shown in figure 4, the present embodiment
Layout scheduler can include：Receiving module 11 and sending module 12.
Receiving module 11, for receiving applicating medium packet, the applicating medium packet includes the container mirror image text of the application
Part and file described using layout, it is described to describe file using layout and be used to indicate the container instance of the application that needs to create
Number be N；The N is the integer more than or equal to 1；
Sending module 12 for describing file according to the application layout, sends mirror image push to N number of server respectively and refers to
It enables, the mirror image push instruction includes the container image file of the application, and the mirror image push instruction is used to indicate storage institute
State the container image file of application；And when needing to create the container instance of the application, sent out respectively to N number of server
Establishment is sent to instruct, the establishment instruction is used to indicate creates the application according to the container image file of the application of storage
Container instance.
Optionally, the layout scheduler of the present embodiment further includes：Determining module 13.
Determining module 13, for describing file according to the application layout in the sending module 12, respectively to described N number of
After server sends mirror image push instruction, M server of the container image file of the backup application is determined, the M is
Integer more than or equal to 1；
The sending module 12 is additionally operable to send the mirror image push instruction to the M server respectively.
Optionally, the receiving module 11 is additionally operable to when the number increase of the container instance of the application, is received and is created
The address lookup instruction that the server of the container instance of the newly-increased application is sent, described address inquiry instruction are deposited for inquiring
Store up the address of the server of the image file of the application；
The sending module 12 is additionally operable to send ground to the server of the container instance for creating the newly-increased application
Location response instruction, described address response instruction include the address of a server in N number of server.
The layout scheduler of the present embodiment can be used for performing layout scheduler in the above-mentioned each method embodiment of the present invention and hold
Capable technical solution, implementing principle and technical effect are similar, and details are not described herein again.
Fig. 5 is the structure diagram of layout scheduler provided by Embodiment 2 of the present invention, as shown in figure 5, the present embodiment
Layout scheduler can include：Processor 21 and communication interface 22.Processor 21 receives application Jie for passing through communication interface 22
Matter packet, applicating medium packet include the container image file of application and describe file using layout, and describing file using layout is used for
It is N to indicate the number of the container instance of application for needing to create；N is the integer more than or equal to 1；According to application layout description text
Part sends mirror image push instruction to N number of server respectively by communication interface 22, and mirror image push instruction includes the container mirror of application
As file, mirror image push instruction is used to indicate the container image file of storage application；And needing the container for creating application real
It during example, is sent respectively to N number of server by communication interface 22 and creates instruction, establishment instruction is used to indicate the application according to storage
Container image file create application container instance.
Optionally, processor 21 is additionally operable to describing file according to using layout, by communication interface 22 respectively to N number of clothes
It is engaged in after device transmission mirror image push instruction, determines M server of the container image file of back-up application, M is more than or equal to 1
Integer；Mirror image push instruction is sent to M server by communication interface respectively.
Optionally, processor 21 is additionally operable to, when the number increase of the container instance of application, receive by communication interface 22
The address lookup instruction that the server of the container instance of newly-increased application is sent is created, address lookup instruction should for inquiring storage
The address of the server of image file；It is sent out by communication interface 22 to the server for the container instance for creating newly-increased application
Address response is sent to instruct, address response instructs the address for including a server in N number of server.
Optionally, the layout scheduler of the present embodiment further includes memory 23, and memory 23 performs application for storing
The code of container instance creation method, processor 21 are used for the code that memory 23 is called to store and perform said program.
The layout scheduler of the present embodiment can be used for performing layout scheduler in the above-mentioned each method embodiment of the present invention and hold
Capable technical solution, implementing principle and technical effect are similar, and details are not described herein again.
Fig. 6 is the structure diagram of server that the embodiment of the present invention one provides, as shown in fig. 6, the service of the present embodiment
Device can include：Receiving module 31, memory module 32 and processing module 33.
Receiving module 31, for receiving the push instruction of the mirror image of layout scheduler dispatches, the mirror image push instruction includes
The container image file of first application, the mirror image push instruction are used to indicate the container mirror image text for storing first application
Part；
Memory module 32 instructs for being pushed according to the mirror image, the container image file of storage first application；
The receiving module 31 is additionally operable to, when needing to create the container instance of first application, receive the layout
The establishment instruction of scheduler dispatches, the container image file for creating first application that instruction is used to indicate according to storage
Create the container instance of first application；
Processing module 33, for creating the container image file of first application for instructing and storing according to described,
Create the container instance of first application.
Optionally, the processing module 33 is additionally operable to when the number of the container instance of the described first application needs to reduce,
Shut down the container instance of first application.
Optionally, the server of the present embodiment further includes：Sending module 34.
Optionally, the receiving module 31 is additionally operable to, when the number increase of the container instance of the described first application, receive
The first mirror image that second server is sent pulls instruction, and first mirror image pulls instruction for pulling the appearance of first application
Device image file；The second server is the server for the container instance for creating newly-increased first application；
The sending module 34 returns to described for pulling instruction according to first mirror image to the second server
The container image file of one application.
Optionally, the processing module 33 is additionally operable to need the container for creating the second application real in the first server
During example and when the container image file that second application is stored in the first server, according to storage
The container image file of second application creates the container instance of second application.
Optionally, the sending module 34, for needing to create the container instance of the second application in the first server
When and when be not stored in the first server it is described second application container image file when, to the layout dispatch
Device sends address lookup instruction, and described address inquiry instruction stores the clothes of the container image file of second application for inquiry
The address of business device；
The receiving module 31, is additionally operable to receive the address response instruction of the layout scheduler dispatches, and described address is rung
The address for including third server should be instructed, the third server is the container image file for being stored with second application
Server；
The sending module 34, is additionally operable to be instructed according to address response, and sending the second mirror image to the third server draws
Instruction fetch, second mirror image pull instruction for pulling the container image file of second application；
The receiving module 31 is additionally operable to receive the container mirror image text of second application that the third server returns
Part；
The processing module 33 is additionally operable to the container image file according to the described second application, creates second application
Container instance.
Optionally, the processing module 33 is additionally operable to obtain the occupancy of the memory space of the first server；It is described
Memory space is used for storage container image file；And when the occupancy be more than first threshold, according to preset rules clear up institute
Memory space is stated, the preset rules are used to indicate not used container image file in cleaning preset time.
Optionally, the processing module 33 is additionally operable to when the occupancy for clearing up the memory space to the memory space
During less than second threshold, stop clearing up the memory space.
The server of the present embodiment can be used for performing the technology that server performs in the above-mentioned each method embodiment of the present invention
Scheme, implementing principle and technical effect are similar, and details are not described herein again.
Fig. 7 is the structure diagram of server provided by Embodiment 2 of the present invention, as shown in fig. 7, the service of the present embodiment
Device can include：Processor 41 and communication interface 42.Processor 41 receives layout scheduler dispatches for passing through communication interface 42
Mirror image push instruction, mirror image push instruction includes the container image file of the first application, and mirror image push, which instructs, to be used to indicate and deposits
The container image file of the first application of storage；It is pushed and instructed according to mirror image, the container image file of the first application of storage；It is needing to create
When building the container instance of the first application, the establishment that layout scheduler dispatches are received by communication interface 42 instructs, and creates instruction and uses
The container instance of the first application is created according to the container image file of the first of storage the application in instruction；According to create instruction and
The container image file of first application of storage creates the container instance of the first application.
Optionally, processor 41 are additionally operable to when the number of the container instance of the first application needs to reduce, and shutting down first should
Container instance.
Optionally, processor 41 are additionally operable to, when the number increase of the container instance of the first application, pass through communication interface 42
It receives the first mirror image that second server is sent and pulls instruction, the first mirror image pulls instruction for pulling the container mirror of the first application
As file；Second server is the server for the container instance for creating newly-increased first application；Instruction is pulled according to the first mirror image, is led to
Cross the container image file that communication interface 42 returns to the first application to second server.
Optionally, processor 41 are additionally operable to when first server needs to create the container instance of the second application and work as
When the container image file of second application is stored in first server, according to the container mirror image text of the second of storage the application
Part creates the container instance of the second application.
Optionally, processor 41 is additionally operable to when first server needs to create the container instance of the second application and works as
When not being stored with the container image file of the second application in first server, by communication interface 42 to layout scheduler dispatches
Location inquiry instruction, the address of the server of container image file that address lookup instruction is applied for inquiry storage second；Pass through
Communication interface 42 receives the address response instruction of layout scheduler dispatches, and address response instructs the address for including third server,
Third server is the server for the container image file for being stored with the second application；It is instructed according to address response, is connect by communication
Mouth 42 sends the second mirror image to third server and pulls instruction, and the second mirror image pulls instruction for pulling the container mirror of the second application
As file；The container image file of the second application of third server return is received by communication interface 42；According to the second application
Container image file, create second application container instance.
Optionally, processor 41 are additionally operable to obtain the occupancy of the memory space of first server；Memory space is used to deposit
Storage container image file；And when occupancy is more than first threshold, according to preset rules cleaning memory space, preset rules are used for
Not used container image file in instruction cleaning preset time.
Optionally, processor 41 are additionally operable to when the occupancy for clearing up memory space to memory space is less than second threshold,
Stop cleaning memory space.
Optionally, the layout scheduler of the present embodiment further includes memory 43, and memory 43 performs application for storing
The code of container instance creation method, processor 41 are used for the code that memory 43 is called to store and perform said program.
The server of the present embodiment can be used for performing the technology that server performs in the above-mentioned each method embodiment of the present invention
Scheme, implementing principle and technical effect are similar, and details are not described herein again.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Aforementioned program can be stored in a computer read/write memory medium.The journey
Sequence when being executed, performs the step of including above-mentioned each method embodiment；And aforementioned storage medium includes：Read-only memory (English：
Read-Only Memory, referred to as：ROM), random access memory (English：Random Access Memory, referred to as：
RAM), the various media that can store program code such as magnetic disc or CD.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical features into
Row equivalent replacement；And these modifications or replacement, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (20)
1. a kind of container instance creation method of application, which is characterized in that including：
Layout scheduler receives applicating medium packet, and the applicating medium packet includes the container image file of the application and application is compiled
Row's description file, described using layout to describe file and be used to indicate to need the number of the container instance of the application that creates be N；
The N is the integer more than or equal to 1；
The layout scheduler describes file according to the application layout, sends mirror image push instruction, institute to N number of server respectively
The container image file that mirror image push instruction includes the application is stated, the mirror image push instruction is used to indicate the storage application
Container image file；
When needing to create the container instance of the application, the layout scheduler sends to N number of server create respectively
Instruction, it is described to create the container reality for instructing and being used to indicate and the application being created according to the container image file of the application of storage
Example.
2. according to the method described in claim 1, it is characterized in that, the layout scheduler is according to the application layout description text
Part respectively after N number of server sends mirror image push instruction, further includes：
The layout scheduler determines to back up M server of the container image file of the application, the M be more than or equal to
1 integer；
The layout scheduler sends the mirror image push instruction to the M server respectively.
3. method according to claim 1 or 2, which is characterized in that further include：
When the number increase of the container instance of the application, the layout scheduler receives the appearance for creating the newly-increased application
The address lookup instruction that the server of device example is sent, described address inquiry instruction store the mirror image text of the application for inquiring
The address of the server of part；
The server of the layout scheduler to the container instance for creating the newly-increased application sends address response instruction,
Described address response instruction includes the address of a server in N number of server.
4. a kind of container instance creation method of application, which is characterized in that including：
First server receives the mirror image push instruction of layout scheduler dispatches, and the mirror image push instruction includes the first application
Container image file, the mirror image push instruction are used to indicate the container image file for storing first application；
The first server is pushed according to the mirror image and is instructed, the container image file of storage first application；
When needing to create the container instance of first application, the first server receives the layout scheduler dispatches
Instruction is created, the establishment instruction is used to indicate creates described first according to the container image file of first application of storage
The container instance of application；
The first server creates institute according to the container image file of first application for creating and instructing and storing
State the container instance of the first application.
5. it according to the method described in claim 4, it is characterized in that, further includes：
When the number of the container instance of the described first application needs to reduce, the first server shuts down first application
Container instance.
6. it according to the method described in claim 4, it is characterized in that, further includes：
When the number increase of the container instance of the described first application, the first server receive that second server sends the
One mirror image pulls instruction, and first mirror image pulls instruction for pulling the container image file of first application；Described
Two servers are the server for the container instance for creating newly-increased first application；
The first server pulls instruction according to first mirror image and returns to first application to the second server
Container image file.
7. according to the method described in claim 4-6 any one, which is characterized in that need establishment in the first server
During the container instance of two applications, the method further includes：
When the container image file that second application is stored in the first server, the first server is according to depositing
The container image file of second application of storage creates the container instance of second application.
8. according to the method described in claim 4-6 any one, which is characterized in that need establishment in the first server
During the container instance of two applications, the method further includes：
When the container image file for not being stored with second application in the first server, the first server is to institute
The instruction of layout scheduler dispatches address lookup is stated, described address inquiry instruction stores the container mirror of second application for inquiring
As the address of the server of file；
The first server receives the address response instruction of the layout scheduler dispatches, and described address response instruction includes the
The address of three servers, the third server are the server for the container image file for being stored with second application；
The first server is instructed according to address response, and sending the second mirror image to the third server pulls instruction, described
Second mirror image pulls instruction for pulling the container image file of second application；
The first server receives the container image file of second application that the third server returns；
The first server creates the described second container instance applied according to the container image file of the described second application.
9. according to the method described in claim 4-8 any one, which is characterized in that further include：
The first server obtains the occupancy of the memory space of the first server；The memory space holds for storing
Device image file；
When the occupancy is more than first threshold, the first server clears up the memory space according to preset rules, described
Preset rules are used to indicate not used container image file in cleaning preset time.
10. it according to the method described in claim 9, it is characterized in that, further includes：
When the occupancy for clearing up the memory space to the memory space is less than second threshold, the first server stops
Clear up the memory space.
11. a kind of layout scheduler, which is characterized in that including：
Receiving module, for receiving applicating medium packet, the applicating medium packet includes the container image file of the application and answers
File described with layout, it is described to describe file using layout and be used to indicate the number of the container instance of the application that needs to create
For N；The N is the integer more than or equal to 1；
Sending module for describing file according to the application layout, sends mirror image push instruction, institute to N number of server respectively
The container image file that mirror image push instruction includes the application is stated, the mirror image push instruction is used to indicate the storage application
Container image file；And when needing to create the container instance of the application, send create to N number of server respectively
Instruction, it is described to create the container reality for instructing and being used to indicate and the application being created according to the container image file of the application of storage
Example.
12. layout scheduler according to claim 11, which is characterized in that further include：
Determining module for describing file according to the application layout in the sending module, is sent out to N number of server respectively
After sending mirror image push instruction, M server of the container image file of the backup application is determined, the M is is more than or waits
In 1 integer；
The sending module is additionally operable to send the mirror image push instruction to the M server respectively.
13. the layout scheduler according to claim 11 or 12, which is characterized in that the receiving module is additionally operable to work as institute
When stating the number increase of the container instance of application, the ground that the server for the container instance for creating the newly-increased application is sent is received
Location inquiry instruction, described address inquiry instruction store the address of the server of the image file of the application for inquiry；
The sending module is additionally operable to send address response to the server of the container instance for creating the newly-increased application
Instruction, described address response instruction include the address of a server in N number of server.
14. a kind of server, which is characterized in that including：
Receiving module, for receiving the push instruction of the mirror image of layout scheduler dispatches, the mirror image push instruction includes first should
Container image file, the mirror image push instruction are used to indicate the container image file for storing first application；
Memory module instructs for being pushed according to the mirror image, the container image file of storage first application；
The receiving module is additionally operable to, when needing to create the container instance of first application, receive the layout scheduler
The establishment instruction of transmission, the container image file establishment institute for creating first application that instruction is used to indicate according to storage
State the container instance of the first application；
Processing module for creating the container image file of first application for instructing and storing according to described, creates institute
State the container instance of the first application.
15. server according to claim 14, which is characterized in that the processing module is additionally operable to when described first should
When the number of container instance needs to reduce, the container instance of first application is shut down.
16. server according to claim 14, which is characterized in that
The receiving module is additionally operable to, when the number increase of the container instance of the described first application, receive second server hair
The first mirror image sent pulls instruction, and first mirror image pulls instruction for pulling the container image file of first application；
The second server is the server for the container instance for creating newly-increased first application；
The server further includes：Sending module returns for pulling instruction according to first mirror image to the second server
Return the container image file of first application.
17. according to the server described in claim 14-16 any one, which is characterized in that the processing module is additionally operable to
When the first server needs to create the container instance of the second application and when being stored with described the in the first server
During the container image file of two applications, according to the container image file of second application of storage, second application is created
Container instance.
18. according to the server described in claim 14-16 any one, which is characterized in that further include：Sending module；
The sending module, for when the first server needs to create the container instance of the second application and when described
When not being stored with the container image file of second application in first server, to the layout scheduler dispatches address lookup
Instruction, the address of the server of container image file that described address inquiry instruction is applied for inquiry storage described second；
The receiving module is additionally operable to receive the address response instruction of the layout scheduler dispatches, described address response instruction
Include the address of third server, the third server is the service for the container image file for being stored with second application
Device；
The sending module is additionally operable to be instructed according to address response, and sending the second mirror image to the third server pulls instruction,
Second mirror image pulls instruction for pulling the container image file of second application；
The receiving module is additionally operable to receive the container image file of second application that the third server returns；
The processing module is additionally operable to the container image file according to the described second application, creates the container of second application
Example.
19. according to the server described in claim 14-18 any one, which is characterized in that the processing module is additionally operable to obtain
Take the occupancy of the memory space of the first server；The memory space is used for storage container image file；And work as institute
Occupancy is stated more than first threshold, clears up the memory space according to preset rules, it is pre- that the preset rules are used to indicate cleaning
If not used container image file in the time.
20. server according to claim 19, which is characterized in that the processing module is additionally operable to deposit when described in cleaning
When the occupancy for storing up space to the memory space is less than second threshold, stop clearing up the memory space.
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